CN109242289B - Construction method of regional natural radioactive ecological environment investigation and evaluation system - Google Patents
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Abstract
The invention discloses a construction method of a regional natural radioactive ecological environment investigation and evaluation system, which comprises the following steps of (1) inputting base map data; (2) determining a region range; (3) distributing points of a system; (4) surveying in the field; (5) establishing a database; (6) setting parameters; (7) carrying out data statistics; (8) grading evaluation; (9) results in a special topic.
Description
Technical Field
The invention belongs to the field of ecological environment investigation, and particularly relates to a construction method of a regional natural radioactive ecological environment investigation and evaluation system.
Background
The natural radioactive environment is an important component in the ecological environment, and various radiations are ubiquitous in the natural environment; the radiation to which the public is exposed comes mainly from natural sources of radiation in the environment, including cosmic rays in the earth's outer space and radionuclides present on the earth itself; because of the influence of various factors, the natural radioactivity level in the nature is greatly different in different areas, in order to better serve the public, the natural radioactivity ecological environment of the living environment of people needs to be investigated, and the current situation, distribution and radiation level of the natural radioactivity environment in the areas and the influence degree of the natural radioactivity environment on the health and ecological environment of people are found out; analyzing the investigated data, and evaluating the radiation influence of radioactive pollutants of different ecological units on people and ecological environment; provides scientific basis for the prevention and control of regional radioactive pollution, ecological civilization construction and sustainable development of social economy.
At present, when regional natural radioactive environment investigation and evaluation work is carried out in China, data processing, stationing control, analysis and evaluation are mainly carried out in a manual mode; after finishing data arrangement, performing data management and data analysis in a spreadsheet form, and performing post-production of related pictures by means of a third-party GIS platform; in the whole process, a large amount of manpower is consumed to process, check and verify the data, different manual cooperation is needed in each link, and careless mistakes are easy to occur; meanwhile, when various evaluation thematic maps are manufactured, full-automatic one-key mapping and one-key modification cannot be realized; for the pictures needing statistical analysis, after a large amount of manual calculation results are needed, thematic pictures are generated according to the statistical results, and the pictures are inconvenient to modify and maintain.
The patent provides a method and a system for regional natural radioactive environment investigation and evaluation; through the method provided by the patent, regional natural radioactive environment investigation and evaluation work can be rapidly carried out, data investigation and collection and arrangement work can be conducted in the field, the establishment of database building specifications is facilitated, the construction of regional natural radioactive ecological environment investigation and evaluation databases is completed, the regional natural radioactive ecological environment grading evaluation is finally achieved through a series of statistics, analysis and evaluation functions provided by the system, and various thematic result drawings are automatically generated.
Disclosure of Invention
The invention aims to provide a construction method of a regional natural radioactive ecological environment investigation and evaluation system, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
(1) base map data input: importing basic base map data of the region, including image data or vector data, in combination with the actual range of the region;
(2) determining the area range: after importing the base map data, delineating the actual range of the region according to the investigation range, and delineating the range by a tool;
(3) and (3) system distribution: according to the determined range, the system divides the grid of the area range according to the standard kilometer grid, and supports the encryption operation of the kilometer grid for the key area; after the grid is determined, point location information is derived through automatic point placement in the grid, and the point location information is added manually according to requirements;
(4) field investigation: according to the distribution information in the system, organizing personnel to go to the field to carry out sample acquisition and data investigation, collection and arrangement, wherein the samples comprise soil, rocks, water system sediments, plants, animals and air; the data comprises gamma radiation air absorption dose rate, ground gamma energy spectrum and air radon concentration;
(5) database building: according to the data result of the investigation, making a data warehousing standard, automatically warehousing field data acquired and sorted by field operation and sample analysis data of a laboratory through a system, and establishing a natural radioactive ecological environment investigation database;
(6) setting parameters: after database building is completed and before evaluation and analysis, setting relevant parameters, wherein the parameter setting comprises evaluation standard setting, boundary range setting and background value setting;
(7) and (3) data statistics: performing relevant statistics including classification statistics and standard exceeding statistics according to data in the database, automatically generating a statistical table, and providing data basis for final grading evaluation;
(8) grading evaluation: comprehensively evaluating a single index and a plurality of indexes according to data in a database, wherein the indexes comprise 238U, 226Ra, 232Th, 40K, total alpha and total beta;
(9) the special achievement is as follows: after analysis such as data statistics, grading evaluation and the like, the system automatically generates various thematic maps, wherein the thematic maps comprise a point location distribution map, a halo map, a specific activity concentration map, a specific activity geochemical map, a contour map, a grading evaluation map and a high-value distribution map.
The invention has the technical effects and advantages that: providing a set of flow operation method; providing an information management system; providing a set of mature database building and maintaining functions; providing a complete set of grading evaluation functions;
the method realizes the flow operation method of regional natural radioactive ecological environment investigation and evaluation work, guides the user to carry out regional natural radioactive ecological environment investigation and evaluation work, can automatically realize operations such as quick library building, statistical analysis, grading evaluation and the like on investigation data by virtue of an information system, and finally realizes automatic manufacturing and visual display of various thematic result pictures.
The application system developed and realized by the method can realize unified storage management and comprehensive analysis and evaluation of regional natural radioactive ecological environment investigation and evaluation data, establish a regional natural radioactive ecological environment investigation and evaluation database, and provide scientific and efficient technical support for regional natural radioactive intelligent decision.
On the basis of a regional natural radioactive ecological environment investigation and evaluation database, a rapid and convenient data service interface and a management and query analysis platform are provided to improve the utilization rate of regional natural radioactive ecological environment investigation and evaluation data, provide data and data retrieval and decision support for governments and related management departments, and provide scientific basis and powerful support for regional and homeland resource planning, management, protection and reasonable development, environmental management special planning, environmental management and protection, improvement and optimization of human living environment, ecological environment construction and social and economic sustainable development.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
(1) Base map data input: importing basic base map data of the region, including image data or vector data, in combination with the actual range of the region;
(2) determining the area range: after importing the base map data, delineating the actual range of the region according to the investigation range, and delineating the range by a tool;
(3) and (3) system distribution: according to the determined range, the system divides the grid of the area range according to the standard kilometer grid, and supports the encryption operation of the kilometer grid for the key area; after the grid is determined, point location information is derived through automatic point placement in the grid, and the point location information is added manually according to requirements;
(4) field investigation: according to the distribution information in the system, organizing personnel to go to the field to carry out sample acquisition and data investigation, collection and arrangement, wherein the samples comprise soil, rocks, water system sediments, plants, animals and air; the data comprises gamma radiation air absorption dose rate, ground gamma energy spectrum and air radon concentration;
(5) database building: according to the data result of the investigation, making a data warehousing standard, automatically warehousing field data acquired and sorted by field operation and sample analysis data of a laboratory through a system, and establishing a natural radioactive ecological environment investigation database;
(6) setting parameters: after database building is completed and before evaluation and analysis, setting relevant parameters, wherein the parameter setting comprises evaluation standard setting, boundary range setting and background value setting;
(7) and (3) data statistics: performing relevant statistics including classification statistics and standard exceeding statistics according to data in the database, automatically generating a statistical table, and providing data basis for final grading evaluation;
(8) grading evaluation: comprehensively evaluating a single index and a plurality of indexes according to data in a database, wherein the indexes comprise 238U, 226Ra, 232Th, 40K, total alpha and total beta;
(9) the special achievement is as follows: after analysis such as data statistics, grading evaluation and the like, the system automatically generates various thematic maps, wherein the thematic maps comprise a point location distribution map, a halo map, a specific activity concentration map, a specific activity geochemical map, a contour map, a grading evaluation map and a high-value distribution map.
Claims (1)
1. A construction method of a regional natural radioactive ecological environment investigation and evaluation system is characterized by comprising the following steps:
(1) base map data input: importing basic base map data of the region, including image data or vector data, in combination with the actual range of the region;
(2) determining the area range: after importing the base map data, delineating the actual range of the region according to the investigation range, and delineating the range by a tool;
(3) and (3) system distribution: according to the determined range, the system divides the grid of the area range according to the standard kilometer grid, and supports the encryption operation of the kilometer grid for the key area; after the grid is determined, point location information is derived through automatic point placement in the grid, and the point location information is added manually according to requirements;
(4) field investigation: according to the distribution information in the system, organizing personnel to go to the field to carry out sample acquisition and data investigation, collection and arrangement, wherein the samples comprise soil, rocks, water system sediments, plants, animals and air; the data comprises gamma radiation air absorption dose rate, ground gamma energy spectrum and air radon concentration;
(5) database building: according to the data result of the investigation, making a data warehousing standard, automatically warehousing field data acquired and sorted by field operation and sample analysis data of a laboratory through a system, and establishing a natural radioactive ecological environment investigation database;
(6) setting parameters: after database building is completed and before evaluation and analysis, setting relevant parameters, wherein the parameter setting comprises evaluation standard setting, boundary range setting and background value setting;
(7) and (3) data statistics: performing relevant statistics including classification statistics and standard exceeding statistics according to data in the database, automatically generating a statistical table, and providing data basis for final grading evaluation;
(8) grading evaluation: comprehensively evaluating a single index and a plurality of indexes according to data in a database, wherein the indexes comprise 238U, 226Ra, 232Th, 40K, total alpha and total beta;
(9) the special achievement is as follows: after data statistics and grading evaluation analysis, the system automatically generates various thematic maps, wherein the thematic maps comprise a point location distribution map, a halo map, a specific activity concentration map, a specific activity geochemical map, a contour map, a grading evaluation map and a high-value region distribution map.
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| CN112150112A (en) * | 2020-09-27 | 2020-12-29 | 上海亚新建设工程有限公司 | Site environment survey internal and external work overall process management system and method |
| CN113777256A (en) * | 2021-08-09 | 2021-12-10 | 力合科技（湖南）股份有限公司 | Automatic point distribution method, system, equipment and storage medium for environment monitoring point location |
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