Methods, systems, electronic devices and media for estimating changes in lake water storage

A technology of variation and lakes, which is applied in the estimation method of lake water storage variation, electronic equipment and media, and system fields, which can solve the problem of consuming manpower and material resources, difficult to popularize and apply on a large scale, and reducing the accuracy of lake storage variation estimation. and other problems to achieve the effect of improving the accuracy

Active Publication Date: 2022-06-21
INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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Problems solved by technology

[0004] However, using the existing technology, the method based on field observation has the problem of consuming a lot of manpower and material resources, and it is almost impossible to realize it in areas with harsh environments such as plateaus and deserts, and it is difficult to apply it on a large scale; for the method based on remote sensing observation , there is a single satellite data, which reduces the accuracy of estimating the change in lake water storage

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  • Methods, systems, electronic devices and media for estimating changes in lake water storage
  • Methods, systems, electronic devices and media for estimating changes in lake water storage
  • Methods, systems, electronic devices and media for estimating changes in lake water storage

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[0047] In order to more clearly understand the above objects, features and advantages of the present disclosure, the solutions of the present disclosure will be further described below. It should be noted that the embodiments of the present disclosure and the features in the embodiments may be combined with each other under the condition of no conflict.

[0048] Many specific details are set forth in the following description to facilitate a full understanding of the present disclosure, but the present disclosure can also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only a part of the embodiments of the present disclosure, and Not all examples.

[0049] At present, in the regional ecosystem, lakes, as an important carrier of the regional terrestrial water cycle, play an important role in the regional water balance. Since the water balance is the basis of lake hydrology research, we should pay attention ...

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Abstract

The present disclosure relates to the technical field of lake water storage variation monitoring, in particular to a method, system, electronic equipment and medium for estimating lake water storage variation. The method includes: collecting and analyzing multi-source remote sensing images to obtain the area of ​​the lake, and collecting and analyzing multi-source satellite altimetry data to obtain the lake water level, wherein the multi-source remote sensing images and the multi-source satellite altimetry data are time-synchronized data ;Based on the lake area and lake water level, construct the lake area-water level relationship curve corresponding to the lake; according to the lake area-water level relationship curve and the lake's annual area, estimate the lake's water storage change, wherein the lake's annual area is based on global surface water data In this way, the accuracy of estimating the change in water storage of lakes can be improved.

Description

technical field [0001] The present disclosure relates to the technical field of lake water storage change monitoring, and in particular, to a method, system, electronic device and medium for estimating lake water storage change. Background technique [0002] At present, in the regional ecosystem, lakes, as an important carrier of the regional terrestrial water cycle, play an important role in the regional water balance. Since the water balance is the basis of lake hydrology research, we should pay attention to the dynamic changes of lake waters and grasp the regional water balance in time. It can provide a basis for the sustainable utilization of regional water resources. [0003] The dynamic monitoring of lake water is mainly to monitor whether the lake water changes. In the prior art, for the change of lake water storage, it is generally based on on-site observation, using a surveying vessel to obtain underwater topographic data, and then to estimate the change of lake wat...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F22/00G01C13/00
CPCG01F22/00G01C13/00Y02A90/30
Inventor 吕爱锋
Owner INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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