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Reservoir capacity curve reconstruction method

A technology for storage capacity and curves of reservoirs, which is applied in the direction of volume measurement instruments/methods, measurement capacity, container/cavity capacity measurement, etc., and can solve the problems of inconsistency in the accuracy of multi-source images and the reconstruction accuracy of storage capacity curves

Active Publication Date: 2021-04-23
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Problems solved by technology

Solve the problem that the precision of multi-source images in the reconstruction of storage capacity curve by traditional remote sensing technology is not uniform, which affects the accuracy of storage capacity curve reconstruction, and propose a method to meet the requirements of reservoir area extraction in storage capacity curve reconstruction

Method used

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Embodiment Construction

[0068] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0069] The embodiment of the invention discloses a reservoir storage capacity curve reconstruction method, combined with the attached Figure 1-5 Describe the specific content:

[0070] Taking the Jingxin Reservoir in Shenzhen as an example, the whole set of reconstruction methods will be practically applied. The evaluation method of the original storage capacity curve of the Jingxin Reservoir, the processing and selection of the remote sensing data of the Ji...

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Abstract

The invention relates to the field of remote sensing hydrological monitoring, especially relates to the field of remote sensing reservoir capacity curve reconstruction, and relates to a reservoir capacity curve reconstruction method. The method comprises the following steps: quickly reconstructing a reservoir capacity curve of a reservoir based on a remote sensing technology, acquiring and processing a multi-source time phase remote sensing image, establishing a reservoir capacity calculation model based on remote sensing and hydrological data, fitting the reservoir capacity curve, and evaluating the reconstruction precision of the reservoir capacity curve. The problems that at present, a single image data source is difficult to meet the requirement that images exist at different water levels, curve reconstruction efficiency is low, and reservoir area extraction precision is not high are solved, and the overall process of reservoir capacity relation curve reconstruction based on the remote sensing technology does not have detailed systematized and streamlined structural definition. and is difficult to form a set of method with wide application are solved.

Description

technical field [0001] The invention relates to the field of remote sensing hydrological monitoring, more specifically to the field of remote sensing reservoir capacity curve reconstruction. Background technique [0002] After the reservoir has been in operation for many years, the storage capacity of the reservoir will change due to sedimentation in the reservoir area, manual excavation, bank slope hardening, embankment construction, and dam reconstruction. The original water level-storage capacity relationship curve cannot truly reflect the actual relationship between water level and storage capacity due to the delay in reconstruction work. If the reconstruction of the storage capacity relationship curve is not carried out in time, it will not be able to reflect the real water level-storage capacity relationship, which will cause lag risks to the daily operation and management of the reservoir, and the probability of risks caused by extreme conditions will also increase gr...

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Application Information

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IPC IPC(8): G01F17/00
CPCG01F17/00
Inventor 翟正丽桑学锋王金鑫殷峻暹陈根发常家轩宝康妮赵天玮
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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