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Satellite-precipitation-data-based precipitation station network layout method and apparatus

A rainfall data and satellite technology, applied in the direction of measuring devices, rainfall/precipitation gauges, data processing applications, etc., can solve problems such as the difficulty in the distribution density of rainfall stations, improve the accuracy of rainfall observation, optimize the layout of rainfall station networks, and improve reliability sexual effect

Inactive Publication Date: 2016-04-20
TSINGHUA UNIV
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Problems solved by technology

[0003] However, in areas lacking data, the rainfall has great spatial variability, and the few rainfall stations are often not enough to reflect the actual rainfall distribution in the area. It is very difficult to increase the distribution density of rainfall stations

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  • Satellite-precipitation-data-based precipitation station network layout method and apparatus

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Embodiment Construction

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0027] In the present invention, unless otherwise clearly specified...

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Abstract

The invention discloses a satellite-precipitation-data-based precipitation station network layout method. The method comprises: satellite precipitation data and geographic data of a target area are obtained; according to the satellite precipitation data and the geographic data, a precipitation space distribution characteristic of the target area is obtained; and on the basis of the precipitation space distribution characteristic, an optimized precipitation station network layout algorithm is established to carry out precipitation station network layout. With the method, the station sites can be centralized at a rainstorm center or a position with the strong precipitation space changing, so that the precipitation observation precision can be improved on the condition of the identical or a few station sites. In addition, the invention also discloses a satellite-precipitationl-data-based precipitation station network layout apparatus.

Description

technical field [0001] The invention relates to the technical field of hydrology, in particular to a method and device for laying out a rainfall station network based on satellite rainfall data. Background technique [0002] Rainfall is an important process of the hydrological cycle, and the observation of rainfall is very important for understanding the hydrological process. At present, the observation of rainfall mainly depends on the layout of rainfall observation stations, which allow us to directly measure the rainfall in the area, and it is currently considered the most accurate method to obtain the rainfall in a certain area. [0003] However, in areas lacking data, the rainfall has great spatial variability, and the few rainfall stations are often not enough to reflect the actual rainfall distribution in the area. It is very difficult to increase the distribution density of rainfall stations. Therefore, how to establish an optimization method for station network la...

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Application Information

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IPC IPC(8): G06Q10/04G01W1/14
CPCG01W1/14G06Q10/04Y02A90/10
Inventor 田富强胡宏昌吴崇玮
Owner TSINGHUA UNIV
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