A method and system for simulating the growth process of ice clouds

A technology of ice clouds and particles, which is applied in the field of simulating the growth process of ice clouds, can solve the problems of model limitations that cannot meet the requirements of ice cloud optical characteristics description, and achieve the effect of improving accuracy

Active Publication Date: 2021-06-04
INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI
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Problems solved by technology

Therefore, the limitations of existing models are difficult to meet the requirements of describing the optical properties of ice clouds

Method used

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  • A method and system for simulating the growth process of ice clouds
  • A method and system for simulating the growth process of ice clouds

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Embodiment Construction

[0018] In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0019] The technical solutions provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0020] figure 1 A schematic diagram of steps of a method for simulating an ice cloud growth process provided by an embodiment of the present invention, the method i...

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Abstract

The present application discloses a method and system for simulating the growth process of ice clouds, including: constructing an ice cloud particle spectrum distribution database and a non-spherical ice cloud particle scattering database, the ice cloud particle spectrum distribution database contains ice cloud particle observation data, the non-spherical ice cloud particle The spherical ice cloud particle scattering database includes ice cloud particle scattering characteristic parameters; according to the ice cloud particle spectral distribution database and the non-spherical ice cloud particle scattering database, calculate the fitting relationship between the ice cloud optical characteristic parameters and the ice cloud macroscopic physical quantities, And determine the fitting coefficient, the ice cloud optical characteristic parameters include ice cloud extinction efficiency, ice cloud asymmetry factor and ice cloud single scattering albedo, the ice cloud macroscopic physical quantity includes ice cloud ice water content and ice cloud average effective Radius; applying the fitting coefficients to a radiative transfer model to simulate the growth process of the ice cloud. This application improves the accuracy of the expression of ice cloud optical characteristics in existing climate models, and can effectively invert the microphysical parameters of ice clouds on a global scale.

Description

technical field [0001] The present application relates to the field of climate models, and in particular, to a method and system for simulating the growth process of ice clouds. Background technique [0002] As an important medium for heat and water vapor transport, ice clouds play an important role in the balance of surface radiation and the balance of Earth's energy. Studying the process of ice cloud growth is of great significance to the simulation of global climate change and the early warning of meteorological disasters. At present, in climate models, the parameterization scheme of single-shaped particles or the parameterization scheme of multi-shaped particles is often used to describe the optical and radiation characteristics of ice clouds. The parameterization scheme of ice cloud particles with a single shape usually uses ice cloud particles of regular shape, which is difficult to represent most of the optical properties of ice clouds; , plate, column, bullet petal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G01N15/02
CPCG01N15/0211
Inventor 胡斯勒图李明尚华哲马润王子明
Owner INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI
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