Spatial restoration analysis method for marsh wetland in river basin

An analysis method and space recovery technology, applied in the direction of instruments, scene recognition, calculation, etc., can solve the problems of not considering the functional characteristics of swamps and wetlands, and achieve accurate and determined results

Inactive Publication Date: 2017-09-22
HEFEI UNIV OF TECH
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AI Technical Summary

Problems solved by technology

At present, the existing research on swamp wetland restoration mainly focuses on how to create and realize the restoration goals of swamp wetlands, without consider

Method used

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  • Spatial restoration analysis method for marsh wetland in river basin
  • Spatial restoration analysis method for marsh wetland in river basin
  • Spatial restoration analysis method for marsh wetland in river basin

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Embodiment Construction

[0043] Take the Muling River Basin as an example to illustrate the inventive method:

[0044]The Muling River Basin is located in the southeast of the Sanjiang Plain in the northeast of my country and belongs to the Jixi area. It is located at 43°01′~43°19′N, 131°20′~132°09′E, with a total area of ​​about 2.22×104km2. The Muling River Basin belongs to the temperate continental semi-humid and semi-arid monsoon climate. Affected by the alternation of winter and summer monsoons, the climate changes significantly in four seasons. The rain and heat are in the same period. Cold and dry. The annual precipitation is 390-450mm, mainly concentrated in May-September, accounting for 80% of the annual precipitation. In this area, swamps and marshy meadows are widely developed on the vast alluvial low plains, terraces and floodplains formed by rivers. Herbaceous vegetation is dominant in the region, with few trees and shrubs, a large area of ​​non-zonal vegetation, and more halophytic pl...

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Abstract

The invention discloses a spatial restoration analysis method for marsh wetland in a river basin. The method comprises the steps of firstly performing data collection: collecting TM remote sensing image data of the river basin, meteorological data, utilization data of land in the river basin, DEM (digital elevation model) data, NDVI (normalized difference vegetation index) data, LAI (leaf area index) data, and river and road vector data; secondly selecting a hydrology adjustment function and an aquatic bird habitat function of the marsh wetland in the river basin as marsh wetland restoration evaluation indexes; and finally performing marsh wetland restoration analysis. According to the method, function characteristics of the marsh wetland are fully considered, so that the functions of the marsh wetland can be brought into full play while the ecological environment of the marsh wetland is improved; and in addition, marsh wetland restoration of a large-range region can be realized, and a marsh wetland restoration region can be accurately determined, so that the convenience is brought for marsh wetland restoration project implementation.

Description

technical field [0001] The invention relates to the field of environmental restoration methods, in particular to a spatial restoration analysis method for watershed marsh wetlands. Background technique [0002] Marsh wetland is an important ecosystem, its unique function is irreplaceable, and it has important ecological, economic and social value. In recent decades, the global crisis of marsh and wetland degradation and disappearance has caused serious ecological environment and social problems, directly threatening the sustainable development of regions, countries and the world. Since the conclusion of the "Convention on Marsh Wetlands", the international community has become increasingly aware of the importance and urgency of strengthening the ecological optimization of marsh wetlands, restoration of marsh wetlands, and the promotion of sustainable use of marsh wetlands. It only emphasizes the function of swamp wetland as a habitat for waterfowl, and expands to all aspect...

Claims

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Application Information

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IPC IPC(8): G06F19/00G06K9/00
CPCG16Z99/00G06V20/13Y02A40/22
Inventor 董张玉
Owner HEFEI UNIV OF TECH
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