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Chlorophyll a concentration inversion method and system

A technology of chlorophyll and concentration, which is applied in the field of environmental information monitoring, can solve the problems of time and space limitations of the inversion model, and achieve the effect of automatic computer operation and business operation

Inactive Publication Date: 2011-09-28
王桥
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Problems solved by technology

[0011] The technical problem to be solved by the present invention is how to solve the problem that the inversion model is limited by time and space, and how to realize the automatic operation and business operation of the computer

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  • Chlorophyll a concentration inversion method and system
  • Chlorophyll a concentration inversion method and system
  • Chlorophyll a concentration inversion method and system

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Embodiment Construction

[0037] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0038] figure 1 It is a flowchart of a chlorophyll-a concentration inversion method according to an embodiment of the present invention, comprising the following steps:

[0039] The chlorophyll a concentration inversion method includes the following steps:

[0040] S1: Obtain the multi-spectral remote sensing data of the Environment-1 satellite;

[0041] S2: Judging whether there is a date for the acquisition of the multispectral data, if so and the date can be matched with the seasonal inversion model of chlorophyll a concentration (since the seasonal inversion model of chlorophyll a concentration only has the calculation methods of spring, summer and autumn, However, ...

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Abstract

The invention discloses a chlorophyll a concentration inversion method and system. The method comprises the following steps of: S1: acquiring multispectral remote sensing data of an environment satellite No.1; S2: judging whether the date of the acquisition of the multispectral data exists or not; if the date exists and is matched with a chlorophyll a concentration seasonal inversion model, selecting a chlorophyll a concentration seasonal inversion model according to the date to calculate chlorophyll a concentration; otherwise, selecting a waveband-optimization-based chlorophyll a model to calculate the chlorophyll a concentration. Through the utilization of the multispectral and hyperspectral data of the environment satellite No.1, the problem that an inversion model is limited by time and space can be solved, and the automatic operation and service operation of a computer can be realized.

Description

technical field [0001] The invention relates to the technical field of environmental information monitoring, in particular to a chlorophyll-a concentration inversion method and system. Background technique [0002] Chlorophyll a is the most abundant pigment in algae. It converts sunlight into energy. It exists in the chloroplasts in the cells of algae. It reflects green light and absorbs red and blue light, making algae appear green. Monitoring the chlorophyll-a concentration in algae is one of the main monitoring items in water environment remote sensing, and it is an important parameter index reflecting the degree of eutrophication in water bodies. [0003] The methods of quantitative remote sensing inversion of chlorophyll-a concentration can be roughly divided into three types: empirical method, semi-empirical method and analytical method. In the 1980s and 1990s, the empirical method was the main method, and after the 1990s, the semi-empirical method was the main method...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/48
Inventor 王桥吴传庆朱利
Owner 王桥
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