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Cloud top height detection method and device based on wet bulb effect

A detection method and detection device technology are applied in the field of meteorological detection to achieve the effects of increasing value, enriching information, and enriching relevant information

Active Publication Date: 2014-07-02
CHINESE ACAD OF METEOROLOGICAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, there is still a large error in judging cloud cover only by the relative humidity measured by the radiosonde

Method used

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  • Cloud top height detection method and device based on wet bulb effect
  • Cloud top height detection method and device based on wet bulb effect
  • Cloud top height detection method and device based on wet bulb effect

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Embodiment Construction

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, specific embodiments will be described in detail below with reference to the accompanying drawings.

[0039] figure 1 It is a flow chart of the steps of the method embodiment of the present invention, such as figure 1 As shown, the embodiment of the present invention provides a cloud top height detection method based on the wet bulb effect, including:

[0040] Step 110, raising the radiosonde so that the radiosonde passes through the cloud layer upwards;

[0041] Step 120, collect temperature data through the first temperature element and the second temperature element arranged on the radiosonde, the first temperature element is a thermometer element with a non-hygroscopic surface, and the second temperature element is a hygroscopic surface element thermometer element;

[0042] Step 130, confirm the time point when the wet bulb effect occurs accord...

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Abstract

The invention provides a cloud top height detection method and device based on the wet bulb effect. The detection method includes the steps that a sonde is lifted, and the sonde is made to go upwards to pass through a cloud layer; a first temperature element and a second temperature element arranged on the sonde are used for collecting temperature data, the first temperature element is the temperature element with the surface not absorbing moisture, and the second temperature element is the temperature element with the surface absorbing moisture; a time point for generating the wet bulb effect is determined according to the temperature data, and the height of the sonde at the time point for generating the wet bulb effect is recorded as the height of a cloud top. According to the cloud top height detection method, data obtained by the wireless sonde in the cloud passing process can be used for automatically judging the height of the cloud top, and a new method and a new approach are provided for cloud height judging and studying.

Description

technical field [0001] The invention relates to the field of meteorological detection, in particular to a method and device for detecting cloud top height based on wet bulb effect. Background technique [0002] Clouds are visible aggregates of small water droplets or ice crystal particles floating in the atmosphere, and are the condensation (or sublimation) of water vapor in the air. Clouds play an extremely important role in physical processes such as the development of weather systems, precipitation formation, and atmospheric radiative transfer, so the measurement of various parameters of clouds is very important. Cloud height, as an important macroscopic physical characteristic parameter of clouds, has an important impact on air quality, sunshine rate, atmospheric radiation transfer, boundary layer turbulence and flight safety, and is also an important factor in climate diagnostic analysis. [0003] Cloud height information generally includes measurement data of cloud ba...

Claims

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Application Information

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IPC IPC(8): G01W1/00
Inventor 姚雯马颖杨俊吕伟涛
Owner CHINESE ACAD OF METEOROLOGICAL SCI
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