Lake ecological water level analysis method for habitat protection

By constructing a two-dimensional water flow equation for lake wind-driven currents and analyzing remote sensing images, the lake water level changes were inverted, and the area of ​​exposed areas and habitat adaptability index were calculated. This solved the problem of habitat suitability for migratory birds and achieved effective protection of migratory bird habitats.

CN122416248APending Publication Date: 2026-07-17水利部水利水电规划设计总院 +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
水利部水利水电规划设计总院
Filing Date
2026-04-07
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies have failed to effectively analyze and control the water levels of inland lakes, making it difficult to guarantee the suitability of migratory bird habitats and affecting the breeding of migratory birds and ecological protection.

Method used

We construct a two-dimensional planar equation for the flow motion of lakes caused by wind and current, and combine remote sensing images and topographic data to invert lake water level changes, calculate the area of ​​exposed areas and habitat adaptability index during migratory bird seasons, and provide suggestions for water level regulation.

Benefits of technology

By quantitatively analyzing the impact of lake water levels on migratory bird habitats, we can provide data support for the protection of migratory bird habitats and water level regulation, thereby ensuring the suitability of migratory bird habitats.

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Abstract

本发明公开了一种面向栖息地保护的湖泊生态水位分析方法,包括:构建湖区风生湖流的平面二维水流运动基本方程;获取目标湖泊历史连续的遥感图像序列,根据光谱特征筛选水域网格,获取水域各方向的边界约束;采集目标湖泊所在区域的风速数据、水位数据和水流速数据;输入二维水流运动基本方程中进行反演,根据反演出的随时间变化的水深,推演并获取一年内候鸟季节水域各方向的边界约束范围内裸露区域的面积(适宜栖息生境变化)及持续时间,研究提出候鸟季候鸟的生境适应性指数,动态分析目标湖泊在候鸟季的生态水位适宜性。
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