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A method and system for retrieving sea surface temperature

A sea surface temperature and inversion technology, which is applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of low inversion accuracy, low accuracy of ocean surface emissivity, and small data measurement range, so as to improve accuracy Effect

Inactive Publication Date: 2019-01-04
BEIJING NORMAL UNIVERSITY
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Problems solved by technology

The measured data obtained through the organic combination of the two generally have high accuracy, but the measurement range of the data is relatively small and can only cover a small area
In addition, due to the low accuracy of determining the ocean surface emissivity under the conditions of large observation zenith angle and wind speed, the ocean surface temperature determined according to the ocean surface emissivity must also have the characteristics of low inversion accuracy

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  • A method and system for retrieving sea surface temperature
  • A method and system for retrieving sea surface temperature
  • A method and system for retrieving sea surface temperature

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Embodiment Construction

[0063] 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.

[0064] The object of the present invention is to provide a sea surface temperature inversion method and system to improve the accuracy of determining the sea surface temperature.

[0065] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0066] figure 1 It is a flow ch...

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Abstract

The invention discloses a sea surface temperature retrieval method and a system. Firstly, the sea surface model is determined according to the sea surface wind speed; N photons are generated by MonteCarlo method, where n is an integer greater than or equal to 1; secondly, sea surface emissivity is determined according to the n photons and the sea surface model; a temperature model parameter is determined according to the sea surface emissivity; then the improved split window algorithm is used to establish the sea surface temperature model; at last, the parameter of the temperature model is substituted into the sea surface temperature model to determine the sea surface temperature. Under the condition of large observation zenith angle and wind speed, the invention can still accurately determine the emissivity of the sea surface, thereby improving the accuracy of determining the sea surface temperature.

Description

technical field [0001] The invention relates to the technical field of sea surface temperature prediction, in particular to a sea surface temperature inversion method and system. Background technique [0002] The area of ​​the ocean accounts for about 71% of the total area of ​​the earth. Seawater has a large heat capacity and high specific heat, which can store and transmit a large amount of heat, which restricts the heat, momentum and water vapor exchange between the sea surface and the atmosphere. The interaction between sea and air is important for climate and weather. has a huge impact. Because of the large heat capacity of water, the ocean is a huge energy pool. Some people have calculated that when the El Niño phenomenon occurs on the southeast Pacific Ocean, as long as the water temperature increases by 3-4°C, the heat energy contained in it will be equivalent to that of the United States. Electricity generation for the year 1995. The ocean plays an important role ...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/20G06F2119/08
Inventor 程洁程晓龙孟翔晨曾琪
Owner BEIJING NORMAL UNIVERSITY
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