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A vegetation zoning method, system and device based on ecohydrological characteristics

A vegetation distribution and vegetation technology, applied in the direction of instruments, calculations, character and pattern recognition, etc., can solve the technical support and scientific basis for water resource management and ecological environment protection in inland river basins in arid areas, lack of basin scale, and cannot be clearly defined Vegetation water resource utilization types and other issues to achieve sustainable development, ensure ecological water demand, and improve regional management and control capabilities

Active Publication Date: 2021-12-14
HOHAI UNIV
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Problems solved by technology

[0004] 1. Vegetation species identification and spatial distribution research is mostly carried out for regional, specific artificial vegetation or natural vegetation, lack of watershed-scale vegetation zoning methods for inland river basins in arid areas;
[0005] 2. In the existing technology, the ecological and hydrological characteristics of vegetation are not considered comprehensively, and the results of classification and zoning cannot clarify the type of water resource utilization of vegetation, that is, precipitation-dependent, groundwater-dependent or irrigation-dependent, and it is difficult to identify inland rivers in arid areas. Provide technical support and scientific basis for river basin water resource management and ecological environment protection

Method used

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  • A vegetation zoning method, system and device based on ecohydrological characteristics
  • A vegetation zoning method, system and device based on ecohydrological characteristics
  • A vegetation zoning method, system and device based on ecohydrological characteristics

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Embodiment Construction

[0054] In order to better understand the technical content of the present invention, specific embodiments are given together with the attached drawings for description as follows.

[0055] Aspects of the invention are described in this disclosure with reference to the accompanying drawings, which show a number of illustrated embodiments. Embodiments of the present disclosure are not necessarily defined to include all aspects of the present invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of numerous ways, since the concepts and embodiments disclosed herein are not limited to any implementation. In addition, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.

[0056] combine figure 1 The zoning process of the vegetation zoning method in the exemplary embodiment of the presen...

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Abstract

The invention discloses a vegetation zoning method, system and device based on ecological and hydrological characteristics. Raster images corresponding to digital elevation DEM, precipitation Pre, actual evapotranspiration AET, and potential evapotranspiration PET, respectively, to obtain the vegetation types covering the distribution area, further obtain the zoning results of vegetation in the target area, and calculate the target area. Corresponding coverage distribution accuracy. The present invention can obtain more comprehensive vegetation zoning results, improve the method system of vegetation zoning based on ecological and hydrological characteristics for inland river basins in arid areas, and improve the zoning management and control capabilities of ecological protection and restoration of the basin.

Description

technical field [0001] The present invention relates to the field of ecohydrological classification, in particular to a method, system and device for vegetation zoning based on ecohydrological characteristics. Background technique [0002] The inland river basins in the arid regions of Northwest China have scarce water resources and fragile ecology. Due to the comprehensive influence of the spatial distribution pattern of water resources and the utilization mode of vegetation water resources, the regional distribution of vegetation in the basins is significant. From the perspective of ecological types, inland river basins in arid regions Vegetation types can be mainly divided into natural vegetation and artificial vegetation. From the perspective of water resource utilization, vegetation types can be divided into precipitation-dependent vegetation, groundwater-dependent vegetation, and irrigation-dependent vegetation. In the identification and spatial distribution of vegetati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06K9/38
CPCG06V20/188G06V10/28
Inventor 黄峰任光瑞
Owner HOHAI UNIV
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