Method and device for determining and updating the background list of environmental risk sources in drinking water sources

Abstract

The invention discloses a method and device for determining and updating a background list of environmental risk sources of drinking water sources, belonging to the field of monitoring of water sources. This method integrates satellite remote sensing information and on-site information to obtain updated data of water source environmental risk sources, automatically updates the background list of water source environmental risk sources, and forms a real risk source list, which can be used for water source environmental improvement, on-site law enforcement, on-site Supervise. On the one hand, give full play to the advantages of wide coverage of satellite remote sensing thematic information and accurate spatial positioning, saving time and effort; on the other hand, it takes advantage of the convenience of collecting various attribute information of risk sources and on-site photos during on-site inspection. The present invention can generate a real risk source that fully reflects the situation of the water source, fully reflects the situation of the whole area of ​​the water source, the difficulty and cost of risk source data acquisition are lower, and the timeliness is good, which improves the convenience, economy, and efficiency of obtaining the environmental risk source of the water source. Authenticity is a list of issues that can be used for environmental law enforcement and environmental supervision in water sources.

Description

technical field [0001] The invention relates to the field of water source monitoring, in particular to a method and device for determining and updating a background list of environmental risk sources of drinking water sources. Background technique [0002] Solving the outstanding environmental problems of drinking water sources is the primary task of the environmental protection of drinking water sources in my country. The list of risk sources that can be used for environmental law enforcement management is the starting point for water source protection and the basic data to ensure the protection effect. There are two ways to form the list of environmental risk sources: the first is that administrative units report the information level by level based on on-site information; the second is the problem list based on satellite remote sensing extraction. [0003] The accuracy of the list of environmental risk sources of water sources formed by administrative units based on on-si...

AI Technical Summary

Problems solved by technology

However, due to the large area and remote location of the drinking water source protection area, it is difficult to find small-scale "small scattered sewage" enterprises and sewage outlets that are not on the list in the entire water source area. Such environmental problems, usually not comprehensive checklist

Therefore, the information on the "point" of the "point" information expressed by the administrative unit based on the on-site information and the level-by-level reporting of the risk source list is relatively accurate, and the information on the "surface" is difficult to fully cover, and the timeliness is poor, the cost is high, and the objectivity is poor. comprehensiveness cannot be guaranteed

[0004] The list of risk sources extracted based on satellite remote sensing can take into account the information on the surface of the water source protection area, but it is limited by the fact that the remote sensing images cannot see the inside of the target, resulting in misjudgment of some information categories, or some pollution management information It is not reflected in satellite images, that is, remote sensing information has the characteristics of "easy to locate but difficult to determine".

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