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Hydrological model parallel calibration method and system based on graph calculation

A hydrological model and graph calculation technology, which is applied in design optimization/simulation, climate change adaptation, special data processing applications, etc., can solve problems that have not been reported before, achieve full expansion, easy implementation, and increase the calculation speed of calibration.

Active Publication Date: 2021-03-16
QUANZHOU NORMAL UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Although the predecessors have carried out a lot of research work on this, which has solved the problem of hydrological model calibration and calculation to a certain extent, the method and device to solve this problem using graph calculation as an entry point have not been reported yet.

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  • Hydrological model parallel calibration method and system based on graph calculation
  • Hydrological model parallel calibration method and system based on graph calculation
  • Hydrological model parallel calibration method and system based on graph calculation

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0034] It should be pointed out that the following detailed description is exemplary and is intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0035] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combina...

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Abstract

The invention relates to a hydrological model parallel calibration method and system based on graph calculation, and the method comprises the steps: decomposing a hydrological model into sub-basin models, converting a model calibration process into directed graph expression, and achieving the model calibration parallel simulation in a Spark cluster through employing a Pregel algorithm. The hydrological parallelism calibration method can quickly realize hydrological parallel calibration.

Description

technical field [0001] The invention relates to the technical field of hydrological calibration, in particular to a method and system for parallel calibration of hydrological models based on graph calculation. Background technique [0002] The hydrological model is the abstraction and generalization of the complex hydrological phenomena in nature in the computer. It is an effective means to understand the process and mechanism of the complex hydrological cycle, and it is also a powerful tool to solve many practical hydrological problems. Driven by the development of remote sensing technology and other sensor technologies, the data used to construct hydrological models is becoming more and more abundant, and the research on hydrological models is gradually developing into the era of big data. Under the effect of big data, the spatio-temporal scope of hydrological modeling continues to expand and the scale becomes finer and finer, and the improvement of human understanding of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20
CPCG06F30/20Y02A10/40
Inventor 林巧莺张德健陈兴伟林炳青吴杰峰
Owner QUANZHOU NORMAL UNIV
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