CN118861943B - Survey and drawing execution supervision system based on geological survey engineering - Google Patents
Survey and drawing execution supervision system based on geological survey engineering Download PDFInfo
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Abstract
The invention discloses a mapping execution supervision system based on geological survey engineering, and relates to the technical field of electric digital data processing. The mapping execution supervision system based on geological survey engineering comprises a data acquisition module, a risk pre-evaluation module, a mapping execution module and a monitoring management module. According to the invention, geological survey data are acquired in a preset survey area, the stability evaluation and the risk evaluation of the topography are carried out, then a risk pre-evaluation report is generated, whether the system prompts to carry out survey task adjustment or not is judged, if not, the system prompts to carry out survey operation to acquire the survey data, finally, a survey quality evaluation value is acquired through a geological survey quality evaluation model and is compared with a survey quality threshold value to judge whether the survey of the next preset survey point is carried out or not, further, the improvement of the quality evaluation accuracy of the survey data in the survey and supervision process is realized, and the problem of inaccurate quality evaluation of the survey data in the survey and supervision process in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of electric digital data processing, in particular to a mapping execution supervision system based on geological survey engineering.
Background
With the continuous development of economy and the continuous progress of information technology, geological exploration is an important means for ascertaining underground resources and knowing geological structures, and has an irreplaceable effect on the fields of urban planning, infrastructure construction, environmental protection and the like. The mapping technology is used as a core support for geological survey, and the accuracy and efficiency of the mapping technology directly influence the quality and application value of the survey result. However, the traditional geological exploration and mapping method has the problems of low efficiency, poor precision, complex data processing and the like, and is difficult to meet the requirements of modern engineering on high-quality and high-efficiency mapping data. Therefore, the development of a mapping execution supervision system based on the modern information technology becomes a necessary trend of the development of the geological exploration industry.
The existing surveying and mapping execution supervision system collects geographical position data, geological structure data and topography space data of a geological survey site through unmanned aerial vehicle surveying and mapping equipment, then monitors surveying and mapping tasks and progress tracking of the geological survey site in real time through the internet of things technology and carries out risk feedback, and finally integrates the result of the risk feedback and surveying and mapping states into the supervision system in real time through the data transmission technology, so that real-time communication of remote monitoring of the geological survey and mapping tasks is achieved.
The surveying and mapping execution supervision system based on the geological survey engineering comprises pre-detection analysis of the landform features of the geological survey engineering, range calculation of difficulty data and occupied area data to obtain a difficulty range and a occupied area, screening of historical survey engineering to obtain screening objects through the difficulty range and the occupied area, model analysis of construction data of the screening objects through a construction period planning model to obtain standard data, generation of construction period of detection objects according to the standard data, comparison of actual surveying and mapping areas at construction nodes of the construction period, and judgment of whether surveying and mapping construction progress meets requirements or not through comparison results.
For example, the geological exploration management system based on data acquisition disclosed in CN111399776A comprises a terminal geological data acquisition unit, geological data storage equipment, a data indoor cache device and an indoor data analysis module, wherein the geological data storage equipment is connected to a tape library provided with side-by-side data transmission interfaces through a tape drive, the data indoor cache device is used for caching geological exploration data stored by a plurality of tape storage equipment indoors in order groups as units, and the indoor data analysis module is used for carrying out data analysis on the cached geological exploration data in order groups as units.
However, in the process of implementing the technical scheme of the embodiment of the application, the application discovers that the above technology has at least the following technical problems:
In the prior art, in complex geological environments such as mountain forests and forests, the surface features covered by vegetation in the mapping process are difficult to directly monitor due to interference of shielding objects and signals, so that the accuracy of measured data is reduced, and the problem of inaccurate quality evaluation of the mapped data in the mapping supervision process exists.
Disclosure of Invention
The embodiment of the application solves the problem of inaccurate quality evaluation of the mapping data in the mapping and monitoring process in the prior art by providing the mapping and execution monitoring system based on the geological survey engineering, and improves the accuracy of the quality evaluation of the mapping data in the mapping and monitoring process.
The embodiment of the application provides a mapping execution supervision system based on geological survey engineering, which comprises a data acquisition module, a risk pre-evaluation module, a mapping execution module and a monitoring management module, wherein the data acquisition module is used for acquiring geological survey data in a preset mapping area, the preset mapping area comprises preset mapping points without geological disaster risks, the geological survey data comprises geographical position information, topographic and topographic data and geological structure data, the risk pre-evaluation module is used for acquiring topographic feature data according to the topographic and topographic data, performing topographic stability evaluation and geological risk evaluation by combining historical geological data with regional geological background to generate a risk pre-evaluation report, the topographic feature data comprises topographic relief degree, lake data and vegetation coverage, the mapping execution module is used for judging whether mapping task adjustment is performed by a system prompt according to the risk pre-evaluation report, if not, the system prompts mapping operation to acquire the mapping data, meanwhile, the mapping quality evaluation data comprises mapping frequency, mapping route and mapping tool, the quality evaluation is used for acquiring the mapping quality evaluation by a geological quality evaluation model, the quality evaluation module is used for acquiring the mapping frequency, the mapping route and the mapping tool, the quality evaluation is used for accurately evaluating the mapping quality evaluation, and the mapping management module is used for performing mapping operation and comparing the mapping operation with the preset mapping evaluation point and performing mapping operation with the monitoring operation before the monitoring module and performing the mapping operation to enter a real-time measurement evaluation process when the measurement is performed by the preset evaluation module.
The method comprises the specific steps of obtaining the topographic feature data according to the topographic feature data, namely, extracting the topographic relief degree of a preset mapping point in the preset mapping area through topographic analysis software, obtaining lake data from a water system corresponding to the preset mapping area, normalizing, wherein the lake data are used for describing the flow direction and the confluence condition of lakes in the preset mapping area, and obtaining vegetation coverage types and vegetation coverage in the preset mapping area through vegetation indexes in remote sensing images, wherein the lake water flow rate and the lake water flow rate of lakes in the preset mapping area in the preset time period are included in the topographic feature data.
Further, the method comprises the steps of obtaining a landform stability evaluation value, wherein the landform stability evaluation value is used for reflecting the stability degree of landform in a preset mapping area in a preset time period, the obtaining step of the landform stability evaluation value comprises the steps of judging whether the lake water flow rate of a preset mapping point is not smaller than the maximum allowable lake water flow rate, judging whether the lake water flow rate of the preset mapping point is not smaller than the maximum allowable lake water flow rate, obtaining a corresponding lake water influence score which is 0 when the lake water flow rate is smaller than the maximum allowable lake water flow rate and the lake water flow rate is smaller than the maximum allowable lake water flow rate, obtaining a landform stability evaluation value according to the landform fluctuation degree and the vegetation coverage degree, and obtaining a preset interaction influence weight from a preset database according to the change condition between the lake water flow rate and obtaining the lake water influence score according to the lake water flow rate, the lake water flow rate and the corresponding reference value and combining the landform fluctuation degree and the vegetation coverage degree.
The method comprises the steps of carrying out real-time monitoring on a mapping operation process of a real-time monitoring mapping execution module, acquiring real-time monitoring data and normalizing the real-time monitoring data, wherein the real-time monitoring data comprise mapping angles, mapping distances and mapping heights, carrying out coordinate conversion on the real-time monitoring data, simultaneously recording environmental conditions of the monitoring process in real time and transmitting the environmental conditions to a data center of the mapping execution module for storage, and indicating that the preset mapping point has geological disaster risks and taking corresponding solving measures when an alarm device of the mapping execution module triggers in the mapping operation process.
Further, the specific constraint expression for obtaining the mapping quality evaluation value through the geological survey mapping quality evaluation model is as follows:
;
wherein m is the number of a preset mapping point in a preset mapping area, M is the total number of preset mapping points in a preset mapping area, t is the number of a preset time period,T is the total number of preset time periods, e is a natural constant,Representing a mapping operation procedure of an mth preset mapping point in the preset mapping region corresponding to a mapping quality evaluation value within a t preset time period,Representing an estimated susceptibility of the geological disaster at the mth preset mapping point in the preset mapping area within the t preset time period,Represents the atmospheric temperature influence factor of the mth preset mapping point in the preset mapping region in the t preset time period,Representing a large fog visibility influence factor of an mth preset mapping point in a preset mapping area in a t preset time period,Represents the barometric pressure impact factor for the mth preset mapping point in the preset mapping area within the t preset time period,Representing the mapping distance of the mth preset mapping point in the preset mapping region within the t preset time period,Indicating the distance of visibility of the large mist in a preset period of time.
The monitoring management module comprises an execution judging unit and a communication interaction unit, wherein the execution judging unit is used for sending an instruction for entering the exploration of the next preset mapping point to the communication interaction unit when the mapping quality evaluation value is within the mapping quality threshold range, otherwise, the mapping operation is performed again, and the communication interaction unit is used for receiving the instruction sent by the execution judging unit in real time and communicating with the mapping execution module and the risk pre-evaluation module.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
1. Judging whether a mapping task is adjusted by a system prompt or not through a risk pre-evaluation report generated by performing landform stability evaluation and geological risk evaluation, if not, prompting to execute mapping operation by the system to acquire mapping data, and comparing the acquired mapping quality evaluation value with a mapping quality threshold to judge whether to enter exploration of the next preset mapping point or not, so that the accuracy and reliability of acquisition of the mapping data are improved, the accuracy of quality evaluation of the mapping data in a mapping supervision process is improved, and the problem that the quality evaluation of the mapping data in the mapping supervision process is inaccurate in the prior art is effectively solved.
2. Through carrying out survey and drawing operation monitoring at preset survey and drawing point, acquire real-time supervision data and normalize, then carry out coordinate conversion to real-time supervision data, simultaneously real-time recording monitoring process's environmental condition and transmission are stored to survey and drawing execution module's data center, at survey and drawing operation in-process at last, when survey and drawing execution module's alarm device triggers, then indicate that this preset survey and drawing point has geological disaster risk and take corresponding solution measure, thereby realized survey and drawing operation monitoring accuracy and instantaneity's improvement, and then realized survey and drawing operation real-time supervision efficiency's improvement.
3. Through sending the instruction of entering the exploration of the next preset mapping point to the communication interaction unit by the system when the mapping quality evaluation value is within the mapping quality threshold range, otherwise, carrying out mapping operation again, simultaneously receiving the instruction sent by the execution judgment unit in real time and communicating with the mapping execution module and the risk pre-evaluation module, thereby improving the accuracy and the reliability of the mapping operation and further realizing more accurate supervision of the monitoring management module.
Drawings
Fig. 1 is a schematic structural diagram of a mapping execution supervision system based on geological survey according to an embodiment of the present application;
FIG. 2 is a two-dimensional graph of a landform stability assessment value and vegetation coverage provided by an embodiment of the present application;
FIG. 3 is a two-dimensional graph of a feature stability evaluation value and a feature influence coefficient provided by an embodiment of the present application;
FIG. 4 is a flow chart of a geological risk assessment provided by an embodiment of the present application.
Detailed Description
According to the embodiment of the application, the problem of inaccurate quality evaluation of mapping data in the mapping supervision process in the prior art is solved by providing the mapping execution supervision system based on geological survey engineering, geological survey data are acquired in a preset mapping area through the data acquisition module, then, the geographic feature data are acquired through the risk pre-evaluation module according to the geographic feature data, the geographic stability evaluation and the geological risk evaluation are carried out in combination with historical geological data and regional geological background, a risk pre-evaluation report is generated, then, whether a mapping task is regulated by a system prompt or not is judged according to the risk pre-evaluation report through the mapping execution module, if not, the mapping operation is carried out by the system prompt so as to acquire the mapping data, meanwhile, the mapping quality evaluation value is acquired through the geological survey quality evaluation model, finally, the mapping operation process of the mapping execution module is monitored in real time through the monitoring management module, the mapping quality evaluation value is compared with the mapping quality threshold so as to judge whether the exploration of a next preset mapping point is entered, if not, the mapping operation parameter is regulated and the mapping operation is repeatedly carried out until the exploration of the next preset point is entered, and the quality evaluation accuracy of the mapping data in the mapping supervision process is improved.
The technical scheme in the embodiment of the application aims to solve the problem of inaccurate quality evaluation of mapping data in the mapping supervision process, and the overall thought is as follows:
The method comprises the steps of obtaining geological survey data in a preset survey area, carrying out relief stability evaluation and geological risk evaluation, then generating a risk pre-evaluation report, judging whether a system prompts to carry out survey task adjustment, if not, prompting to execute survey operation by the system to obtain survey data, finally obtaining a survey quality evaluation value through a geological survey quality evaluation model, comparing the survey quality evaluation value with a survey quality threshold value to judge whether to enter exploration of the next preset survey point, and achieving the effect of improving the survey data quality evaluation accuracy in the survey supervision process.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
As shown in FIG. 1, a schematic structure diagram of a surveying and mapping execution supervision system based on geological survey engineering is provided in the embodiment of the present application, and the surveying and mapping execution supervision system based on geological survey engineering is provided in the embodiment of the present application, and includes a data acquisition module, a risk pre-evaluation module, a surveying and mapping execution module and a monitoring management module, wherein the data acquisition module is used for acquiring geological survey data in a preset surveying and mapping area, the preset surveying and mapping area contains preset surveying points, the preset surveying and mapping points are preset surveying points in the geological survey engineering area, the geological survey data comprise geographical position information, topographic and topographic data and geological structure data, the risk pre-evaluation module is used for acquiring topographic feature data according to the topographic and topographic feature data and regional geological background to perform topographic stability evaluation and geological risk evaluation, to generate a risk pre-evaluation report, the risk pre-evaluation report is used for visualizing the results of the topographic and topographic stability evaluation and the risk evaluation, the surveying and mapping execution module is used for judging whether the surveying and mapping task is adjusted by a system prompt or not according to the pre-set surveying and mapping area, if the surveying and mapping task is not performed, the system prompts are used for acquiring the surveying and mapping quality evaluation tool, and mapping quality is used for performing the mapping and mapping quality evaluation by comparing the mapping quality with the pre-evaluation module and the mapping quality evaluation module and the real-time to perform the mapping quality evaluation on the measurement and the measurement result, the mapping operation parameters are adjusted and the mapping operation is re-performed until the exploration of the next preset mapping point is entered.
In the embodiment, geographic position information is used for reflecting longitude and latitude positions of preset mapping points, is favorable for accurately positioning the positions of the preset mapping points on a geological survey map, detects geological structures of the preset mapping areas through propagation characteristics of electromagnetic waves in an underground medium, acquires geomorphic images of the preset mapping areas in real time through an unmanned aerial vehicle remote sensing technology and an unmanned aerial vehicle carried high-resolution camera, and in an application scene of mountain highway geological survey engineering, carries high-resolution cameras and multispectral sensors in the preset mapping areas (key nodes along a highway planning line and potential geological disaster prone areas) to carry out aerial shooting by deploying unmanned aerial vehicles, and meanwhile, uses a global positioning system (GPS, global Positioning System) and total station equipment in cooperation with ground mapping teams to collect geographic position information, topographic and geomorphic data and geological structure data.
And in the process of mapping execution, when the mapping quality evaluation value is not in the range of the mapping quality threshold value, immediately triggering an early warning mechanism and re-executing the mapping operation until the quality requirement is met, for example, if the positioning accuracy does not meet the requirement, the convergence accuracy threshold value originally set to be 1cm by the total station can be adjusted to be 0.5cm so as to improve the positioning accuracy, thereby being beneficial to reducing human errors. Once the current mapping point data is confirmed to meet the requirement, the system automatically plans and guides to the next preset mapping point for exploration, a continuous, efficient and high-quality mapping operation flow is formed, and the quality evaluation accuracy of the mapping data in the mapping supervision process is improved.
The method comprises the specific steps of obtaining the topography data, namely extracting the topography fluctuation degree of the preset mapping points in the preset mapping area through topography analysis software, obtaining the lake data from a water system corresponding to the preset mapping area and normalizing, wherein the lake data are used for describing the flow direction and the confluence condition of the lake in the preset mapping area, and obtaining the vegetation coverage type and the vegetation coverage in the preset mapping area through the vegetation index in the remote sensing image, wherein the vegetation coverage is used for reflecting the occupation degree of the vegetation in the preset mapping area.
In the embodiment, position data of a preset mapping point and a topographic relief grid chart are overlapped through geographic information system software (QGIS, quantum GIS) to obtain topographic relief of the preset mapping point, a domain analysis tool (such as 'focus statistics' in ArcGIS) is used for taking a preset domain size (such as 3*3 and 5*5 pixels) as an analysis window, a maximum elevation value and a minimum elevation value of the preset mapping point in the analysis window are recorded in real time to obtain topographic relief (the difference between the maximum elevation value and the minimum elevation value), vegetation coverage is the ratio of the vegetation area in the preset mapping area to the total area of the preset mapping area, vegetation index is an existing parameter in a remote sensing image and is usually used for reflecting the vegetation coverage in the preset mapping area, the topographic relief, vegetation coverage type and coverage can be accurately extracted through the topographic analysis software and the remote sensing technology, meanwhile, real-time monitoring on hydrologic changes can be achieved by utilizing lake water flow rate and flow data in a preset time period, the vegetation coverage is improved, vegetation coverage in the preset area is used for reflecting the spectral characteristics in the spectral coverage of an unmanned aerial vehicle, and the vegetation coverage in the preset mapping area is usually used for reflecting the spectral coverage in the vegetation coverage in the real time. Compared with the traditional manual measurement and hand-drawn map, the modern technical means such as remote sensing image analysis and geographic information systems (GIS, geographic Information System) greatly improve the efficiency and accuracy of data acquisition, not only reduce the labor cost, but also shorten the period of data updating, can more deeply reveal the interaction relationship between the topography and the hydrologic process, and is beneficial to better understand and predict the change trend of the topography and the influence of the topography on the natural environment and human activities.
Further, the method comprises the steps of obtaining a landform stability evaluation value, wherein the landform stability evaluation value is used for reflecting the stability degree of landform in a preset mapping area in a preset time period, the obtaining step of the landform stability evaluation value comprises the steps of judging whether the lake water flow rate of a preset mapping point is not smaller than the maximum allowable lake water flow rate, judging whether the lake water flow rate of the preset mapping point is not smaller than the maximum allowable lake water flow rate, obtaining the corresponding lake water influence score to be 0 when the lake water flow rate is smaller than the maximum allowable lake water flow rate and the lake water flow rate is smaller than the maximum allowable lake water flow rate, obtaining the landform stability evaluation value according to the landform fluctuation degree and the vegetation coverage degree when the lake water flow rate is not smaller than the maximum allowable lake water flow rate and the lake water flow rate, obtaining the preset interaction influence weight from a preset database according to the change condition between the lake water flow rate and the lake water flow rate, and the corresponding reference value, and obtaining the lake water influence score and combining the landform fluctuation degree and the vegetation coverage degree.
In the present embodiment, the restriction expression of the landform stability evaluation value is:
;
;
wherein m is the number of a preset mapping point in a preset mapping area, M is the total number of preset mapping points in a preset mapping area, t is the number of a preset time period,T is the total number of preset time periods, e is a natural constant,Representing a landform stability evaluation value of a landform of an mth preset mapping point in a preset mapping region within a preset time period,Representing the relief degree of the topography corresponding to the topography of the mth preset mapping point in the preset mapping area in the t preset time period,Representing vegetation coverage corresponding to the landform of the mth preset mapping point in the preset mapping area,Representing the lake water influence score of the lake corresponding to the landform of the mth preset mapping point in the preset mapping area in the t preset time period,The interaction impact weight is represented as such,Representing the lake water flow rate of the lake corresponding to the landform of the mth preset mapping point in the preset mapping area in the t preset time period,Indicating the maximum allowable lake water flow rate within a preset time period,Representing the lake water flow of the lake corresponding to the landform of the mth preset mapping point in the preset mapping area in the t preset time period,Indicating the maximum allowable lake water flow within a preset time period.
In particular, whenAt the moment, the impact force of the flow rate of the lake water and the flow rate of the lake water on the topography is negligible, namely the impact score of the lake water is equal to 0; the lake water flow rate is measured in real time through a speed sensor corresponding to a preset mapping point, the maximum allowable lake water flow rate is represented by a result obtained by summing and averaging the historical maximum lake water flow rates in each historical time period in a preset database, the lake water flow rate is measured in real time through a flow sensor corresponding to the preset mapping point, the maximum allowable lake water flow rate is represented by a result obtained by summing and averaging the historical maximum lake water flow rates in each historical time period in the preset database, the lake water influence score is increased along with the increase of the lake water flow rate and the lake water flow rate, and the influence degree of the lake water flow on the topography and the topography in the preset mapping area is further quantized by considering the impact force of the lake water flow rate and the lake water flow rate on the topography and the topography.
It should be understood that the interaction influence weight (i.e. the interaction influence weight between the lake water flow rate and the lake water flow rate) is a weight corresponding to the lake water influence score in the preset database (the corresponding lake water flow rate, the maximum allowable lake water flow rate, the lake water flow rate and the maximum allowable lake water flow rate are input into a formula to obtain the lake water influence score), a value representing the influence degree of the lake water influence score on the landform stability evaluation value is obtained directly from the preset database, the corresponding relation of the weight corresponding to the lake water influence score can be a preset mapping relation, for example, the weight corresponding to the ratio degree of the lake water flow rate and the lake water flow rate relative to the landform stability evaluation value and the lake water influence score in the preset database form a mapping set, the real-time lake water influence score is input into the mapping set to obtain the corresponding weight, and the mapping relation can be one-to-one or many-to-one relation. The range of values for the interaction impact weights in this example is。
When (when)When the lake water level rises, the scouring action on the lake shore is also enhanced, the scouring action possibly causes the back of the lake shore and the steep of the lake shore, so that the topography fluctuation is increased, meanwhile, the increase of the lake water flow also can increase the peripheral groundwater level, when the groundwater level rises, the water content in the soil is increased, so that the soil is expanded and the ground rises, and the topography fluctuation is further increased, however, the vegetation growth and the coverage increase can reduce the water loss and the wind erosion action, so that the topography fluctuation is indirectly reduced.
To simplify the analysis, defineIn which, in the process,The calculation formula for representing the landform influence coefficient of the m-th preset mapping point in the preset mapping area in the preset time period and simplifying the landform stability evaluation value is as follows: As shown in fig. 2, the two-dimensional graph of the landform stability evaluation value and the vegetation coverage provided by the embodiment of the application shows that the landform stability evaluation value increases with the increase of the vegetation coverage, and the landform influence coefficient is a fixed value of 0.5 at this time, and as shown in fig. 3, the two-dimensional graph of the landform stability evaluation value and the landform influence coefficient provided by the embodiment of the application shows that the landform stability evaluation value decreases with the increase of the landform influence coefficient, and the vegetation coverage is a fixed value of 0.5 at this time. By introducing the lake water flow rate, the lake water flow, the vegetation coverage, the topography relief and the lake water influence score and considering interaction between the lake water flow rate, the topography stability can be estimated more comprehensively, and meanwhile, the complex interaction is quantized into specific weight and evaluation value by utilizing data and mapping relations in a preset database, so that the evaluation result is more accurate and reliable, the quality evaluation accuracy of mapping data in the mapping supervision process is improved, the quality evaluation accuracy of the mapping data in the mapping supervision process is improved, and the problem of inaccurate quality evaluation of the mapping data in the mapping supervision process in the prior art is effectively solved.
Further, the method comprises the steps of obtaining a landform stability evaluation value, judging whether the landform stability evaluation value is within a landform stability threshold value range, if the landform stability evaluation value is within the landform stability threshold value range, transmitting the landform stability evaluation value and position information corresponding to a preset mapping point to a monitoring management module for storage, wherein the position information is used for describing the geographic position of the preset mapping point, otherwise, adjusting the position of the preset mapping point and re-obtaining landform characteristic data.
In this embodiment, by considering the landform stability threshold, whether the evaluation value is qualified can be more accurately judged, errors caused by subjective judgment are reduced, when the landform stability evaluation value is not within the range of the landform stability threshold, the position of the preset mapping point can be immediately adjusted, and the landform characteristic data can be obtained again, and the real-time feedback and adjustment mechanism is helpful for quickly finding and correcting the quality problem of mapping data.
Further, as shown in fig. 4, a flowchart of a geological risk assessment provided by the embodiment of the present application is provided, wherein the concrete flow of the geological risk assessment is that the geological disaster types in a preset mapping area are counted and classified and encoded according to historical geological data and regional geological background, the classified and encoded geological disaster types are stored in a monitoring management module, the geological disaster types comprise landslide, mud-rock flow and earthquake, the historical geological data comprise earthquake records, landslide records and collapse records, the regional geological background comprises geological structures, stratum lithology and faults, and the influencing factors comprise terrain gradient, lithology composition, rainfall and vegetation coverage; measuring the stratum stress of the underground stratum where the preset mapping point is located in real time through a stress meter arranged on the geological stratum, combining the stratum stress of a reference stratum to obtain an susceptibility evaluation value (the ratio of the stratum stress to the stress of the reference stratum), wherein the stress of the reference stratum is represented by the result of summing the stress of the historical stratum in each historical time period in a preset database, the stratum stress is used for reflecting the stress state of the underground stratum where the preset mapping point is located in the preset time period, the susceptibility evaluation value is used for measuring the probability of occurrence of geological disasters in the preset mapping area, the measurement depth of the underground stratum where the corresponding preset mapping point is located in the measuring process of the stress meter is the same, judging whether the obtained susceptibility evaluation value is in a susceptibility evaluation threshold range, if the susceptibility evaluation value is in the susceptibility evaluation threshold range, dividing the preset mapping area again until no geological disasters risk point exists in the preset mapping area, the geological disaster risk points represent preset mapping points corresponding to the vulnerability assessment values within the vulnerability assessment threshold range.
In this embodiment, landslide is recorded as the time, place, scale and cause of a landslide event occurring historically, lithology composition determines the weathering speed of rock, for example, rock composed of sandstone, mudstone is liable to be weathered, while carbonate (e.g., dolomite, limestone) is weathered less than rock composed of sandstone, mudstone, wherein the weathering speed directly affects the formation and thickness of soil in a preset mapping area, and the slope of the terrain and lithology composition in the preset mapping area are measured in real time by satellite remote sensing technology, and the acquisition of rainfall is required to take into account the difference in seasons (i.e., rainfall in summer is generally greater than rainfall in winter).
By constructing a geological disaster susceptibility assessment model based on multiple factors (such as terrain gradient, lithology composition, rainfall and vegetation coverage), the occurrence probability of geological disasters at each point in a preset mapping area can be assessed more accurately, the method for comprehensively assessing multiple factors can reflect the complexity and uncertainty of the geological disasters more comprehensively compared with a single factor or simple superposition method, when the susceptibility assessment value shows that geological disaster risk points exist, the flow for re-dividing the preset mapping area can be automatically triggered, the dynamic adjustment capability enables the geological disaster risk assessment and management to be more flexible and efficient, newly discovered risk points can be timely dealt with, potential losses are reduced, the influence of the geological disasters on human society and natural environments is reduced, and the accuracy and reliability of geological risk assessment are improved.
Further, the risk pre-evaluation report is generated by using a line graph to represent the change trend of a feature stability evaluation value and a vulnerability evaluation value on a map in a preset mapping area, wherein the map is used for visualizing the feature stability evaluation and the result of the geological risk evaluation of the preset mapping point, the horizontal axis of the line graph is a mapping time point in a preset time period, the vertical axis is the feature stability evaluation value and the vulnerability evaluation value, an alarm device of a mapping execution module is triggered according to the visualization result and a triggering condition of the map and sends alarm information to a monitoring manager, the triggering condition represents that the feature stability evaluation value of the preset mapping point is smaller than the minimum value of a feature stability threshold range and the vulnerability evaluation value is larger than the maximum value of the vulnerability evaluation threshold value, the alarm information is used for reflecting the risk condition of the preset mapping point, the preset mapping point in the preset mapping area is reselected according to the alarm point corresponding to the alarm information, the geological risk evaluation is conducted again until the mapping execution module does not have the alarm information and the risk pre-evaluation report is regenerated, and the preset mapping point of the preset mapping area meets the execution condition of the preset mapping operation.
In the embodiment, the range of the landform stability threshold is a range in which the maximum value and the minimum value of the historical landform stability evaluation value in the historical time period in the preset database correspond, the range of the vulnerability evaluation threshold is a range in which the maximum value and the minimum value of the historical vulnerability evaluation value in the historical time period in the preset database correspond, the change trend of the landform stability evaluation value and the vulnerability evaluation value is represented by using a line graph on a map in a preset mapping area, so that the evaluation result is more visual and easy to understand, the visual mode is not only beneficial to monitoring management staff to quickly understand the risk condition of the whole area, but also can clearly see the dynamic change of the evaluation value along with time, so that risk points are more accurately positioned, and secondly, the embodiment sets double triggering conditions, namely that the landform stability evaluation value of the preset mapping point is smaller than the minimum value of the historical landform stability evaluation value and the vulnerability evaluation value is larger than the maximum value of the historical vulnerability evaluation value, the setting of the double conditions greatly improves the accuracy of alarms, reduces the possibility of false alarms and missed alarms, ensures that the risk conditions are not easy to be better in the mapping point, and the accurate and the risk loss is accurately found by the accurate and preventive measures.
The method comprises the steps of carrying out real-time monitoring on a mapping operation process of a mapping execution module, wherein the real-time monitoring operation process comprises the steps of carrying out mapping operation monitoring on preset mapping points, obtaining real-time monitoring data and normalizing the real-time monitoring data, wherein the real-time monitoring data comprise mapping angles, mapping distances and mapping heights, carrying out coordinate conversion on the real-time monitoring data, simultaneously recording environmental conditions of the monitoring process in real time, transmitting the environmental conditions to a data center of the mapping execution module for storage, wherein the coordinate conversion is used for mapping the real-time monitoring data into a map of a risk pre-evaluation report, the environmental conditions comprise atmospheric temperature, high fog visibility and atmospheric pressure, and when an alarm device of the mapping execution module triggers in the mapping operation process, indicating that the preset mapping points have geological disaster risks and adopting corresponding solving measures.
In this embodiment, the mapping angle (unit: radian) generally refers to an included angle of a surveying instrument (e.g., total station, GPS receiver) with respect to a reference direction of a preset surveying point in a preset surveying region, the surveying distance (unit: meter or kilometer) refers to a straight line distance between the surveying instrument and the preset surveying point, the surveying height (unit: meter or kilometer) refers to a vertical height of the preset surveying point with respect to a reference surface (e.g., ground), the atmospheric temperature, the atmospheric visibility, and the atmospheric pressure are environments corresponding to the preset surveying point, the atmospheric temperature (unit: celsius) is measured in real time by a weather station, the atmospheric visibility (unit: meter) is measured in real time by a visibility meter, and the atmospheric pressure (unit: hundred pascals or millimeter mercury) is measured in real time by a barometer.
The real-time monitoring technology maps real-time monitoring data into a map of a risk pre-evaluation report, so that a mapping result can be intuitively displayed on the map, the position of the mapping point can be accurately positioned by combining the real-time monitoring data with the map, the space positioning capability of geological disaster risk evaluation is further enhanced, in addition, the embodiment focuses on the mapping data, also records the environmental conditions of the monitoring process in real time, including the atmospheric temperature, the fog visibility and the atmospheric pressure, and the overall monitoring mode is favorable for accurately evaluating the geological disaster risk, when an alarm device of a mapping execution module triggers, the preset risk exists in time, thereby reducing the geological disaster risk loss and realizing the geological disaster risk of the mapping operation to the maximum extent.
Further, the specific constraint expression for acquiring the mapping quality evaluation value through the geological survey mapping quality evaluation model is as follows:
;
wherein m is the number of a preset mapping point in a preset mapping area, M is the total number of preset mapping points in a preset mapping area, t is the number of a preset time period,T is the total number of preset time periods, e is a natural constant,Representing a mapping operation procedure of an mth preset mapping point in the preset mapping region corresponding to a mapping quality evaluation value within a t preset time period,Representing an estimated susceptibility of the geological disaster at the mth preset mapping point in the preset mapping area within the t preset time period,Represents the atmospheric temperature influence factor of the mth preset mapping point in the preset mapping region in the t preset time period,Representing a large fog visibility influence factor of an mth preset mapping point in a preset mapping area in a t preset time period,Represents the barometric pressure impact factor for the mth preset mapping point in the preset mapping area within the t preset time period,Representing the mapping distance of the mth preset mapping point in the preset mapping region within the t preset time period,Indicating the distance of visibility of the large mist in a preset period of time.
In the present embodiment, the surveying quality evaluation value decreases with an increase in the vulnerability evaluation value, and the large fog visibility distance is the longest distance of the surveying instrument in the large fog weather whenWhen the mapping distance is within the range of the visibility of the large fog, the mapping distance is not influenced by the atmospheric influence of the large fog, whenWhen the mapping distance is not in the range of the visibility of the big fog and is influenced by the atmospheric pressure, the visibility of the big fog and the atmospheric temperature, the susceptibility evaluation value is influenced by the atmospheric pressure, the visibility of the big fog and the atmospheric temperature, the value of the mapping quality evaluation value is further influenced, and if the mapping operation process is carried out on a sunny day, the influence of the big fog is not needed to be considered.
It should be understood that, the atmospheric temperature influence factor is an influence factor of the susceptibility evaluation value in the preset database corresponding to the preset mapping area, and the value representing the influence degree of the atmospheric temperature on the susceptibility evaluation value can be directly obtained from the preset database when in use, the corresponding relationship can be a preset mapping relationship, for example, the atmospheric temperature in the preset mapping area and the atmospheric temperature influence factor corresponding to the susceptibility evaluation value in the preset database form a mapping set, and the real-time atmospheric temperature is input into the mapping set to obtain the corresponding influence factor, wherein the mapping relationship can be a one-to-one or a many-to-one relationship.
The big fog visibility influence factor is an influence factor of the susceptibility evaluation value in the preset database corresponding to the preset mapping area, a numerical value representing the influence degree of the big fog visibility on the susceptibility evaluation value can be directly obtained from the preset database when in use, the corresponding relation can be a preset mapping relation, for example, the big fog visibility in the preset mapping area and the big fog visibility influence factor corresponding to the susceptibility evaluation value in the preset database form a mapping set, the real-time big fog visibility input mapping set is used for obtaining the corresponding influence factor, and the mapping relation can be in one-to-one or one-to-one relation.
The atmospheric pressure influence factor is an influence factor of the susceptibility evaluation value in the preset database corresponding to the preset mapping area, a numerical value representing the influence degree of the atmospheric pressure on the susceptibility evaluation value can be directly obtained from the preset database when the atmospheric pressure influence factor is used, the corresponding relation can be a preset mapping relation, for example, the atmospheric pressure in the preset mapping area and the atmospheric pressure influence factor corresponding to the susceptibility evaluation value in the preset database form a mapping set, the real-time atmospheric pressure input mapping set is used for obtaining the corresponding influence factor, and the mapping relation can be in one-to-one or a many-to-one relation.
In summary, by receiving the atmospheric temperature, the atmospheric visibility and the atmospheric pressure in real time and automatically calculating the corresponding influence factors according to the preset mapping relation, the vulnerability assessment value and the mapping quality assessment value are dynamically adjusted, and the dynamic adaptability enables the assessment result to reflect the current meteorological conditions and mapping environments more accurately, so that the real-time performance and effectiveness of assessment are improved. Aiming at the problem that the quality evaluation of the mapping data is inaccurate in the mapping supervision process in the prior art, the embodiment realizes the remarkable improvement of the evaluation accuracy by introducing a geological survey mapping quality evaluation model and a dynamic adaptability mechanism, which not only improves the whole quality of the mapping work, but also provides powerful technical guarantee for the development of the related field, thereby realizing the improvement of the quality evaluation accuracy of the mapping data in the mapping supervision process and effectively solving the problem that the quality evaluation of the mapping data is inaccurate in the mapping supervision process in the prior art.
The monitoring management module comprises an execution judging unit and a communication interaction unit, wherein the execution judging unit is used for sending an instruction for entering the exploration of the next preset mapping point to the communication interaction unit when the mapping quality evaluation value is within the mapping quality threshold range by the system, otherwise, the mapping operation is carried out again, and the communication interaction unit is used for receiving the instruction sent by the execution judging unit in real time and communicating with the mapping execution module and the risk pre-evaluation module.
In this embodiment, it should be noted that the mapping quality threshold range is a range corresponding to a maximum value and a minimum value of the historical mapping quality evaluation in each historical time period in the preset database, when the mapping quality evaluation value is within the mapping quality threshold range, the mapping system can enter the exploration of the next preset mapping point, when the mapping quality evaluation value is not within the mapping quality threshold range, the preset mapping point is possibly a geological disaster risk point, and the preset mapping point is selected again and mapping operation is performed again until the mapping quality evaluation value is within the mapping quality threshold range at this time.
Further, the method comprises the steps of receiving an instruction sent by the execution judging unit in real time, communicating with the mapping executing module and the risk pre-evaluation module, and then obtaining feedback information of the monitoring management module, and according to the feedback information, adopting corresponding instant risk response and optimizing the mapping executing module, wherein the feedback information comprises efficiency of mapping operation and fluctuation condition of a mapping quality evaluation value.
In this embodiment, if the feedback information indicates that the fluctuation of the measurement quality evaluation value increases, it may mean that the current measurement method or measurement path is not suitable for the current environmental conditions, and at this time, the measurement plan should be immediately adjusted, including re-planning the measurement route, changing the measurement tool (e.g. changing the total station to a weather monitor) to improve the measurement efficiency and ensure the measurement quality, and if the feedback information indicates that the influence of the measurement environment on the measurement operation is increased (e.g. typhoon or storm), i.e. there is a serious safety hazard, the measurement operation should be immediately suspended or stopped to ensure the safety of personnel and equipment, so as to minimize the loss and ensure the smooth progress of the measurement work, thereby improving the accuracy and instantaneity of the immediate risk response in the measurement operation process, and further ensuring the improvement of the measurement accuracy.
In summary, in the embodiment of the application, whether the mapping task is adjusted by the system prompt is judged by performing the risk pre-evaluation report generated by the relief stability evaluation and the geological risk evaluation, if not, the system prompt is used for executing the mapping operation to acquire the mapping data, and whether the next exploration of the preset mapping point is performed is judged by comparing the acquired mapping quality evaluation value with the mapping quality threshold value, so that the acquisition accuracy and reliability of the mapping data are improved, the quality evaluation accuracy of the mapping data in the mapping supervision process is improved, and the problem of inaccurate quality evaluation of the mapping data in the mapping supervision process in the prior art is effectively solved.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of systems, apparatuses (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
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