Possible mechanisms of summer cirrus clouds over the Tibetan Plateau
نویسندگان
چکیده
منابع مشابه
Seasonal migration of cirrus clouds over the Asian Monsoon regions and the Tibetan Plateau measured from MODIS/Terra
[1] By using a 4-year data set of the Moderate Resolution Imaging Spectroradiometer (MODIS) cirrus cloud reflectance, the seasonal migration of cirrus clouds over the Asian Monsoon regions and the Tibetan Plateau has been studied. There are two distinct regions with large amount of high clouds. One is located between the equator and 20 N, where intensified high clouds show clear northward and s...
متن کاملSummer rainfall over the southwestern Tibetan Plateau controlled by deep convection over the Indian subcontinent.
Despite the importance of precipitation and moisture transport over the Tibetan Plateau for glacier mass balance, river runoff and local ecology, changes in these quantities remain highly uncertain and poorly understood. Here we use observational data and model simulations to explore the close relationship between summer rainfall variability over the southwestern Tibetan Plateau (SWTP) and that...
متن کاملMeasurements of water vapor and high clouds over the Tibetan Plateau with the Terra MODIS instrument
The seasonal variations of water vapor and cirrus clouds over the Tibetan Plateau are investigated using the recently available Level 3 monthly-mean atmospheric data products with a 1 1 latitude–longitude grid. The data products are derived from the multichannel imaging data acquired with the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Terra Spacecraft. It is shown that the wat...
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Using the Polar Satellites IR data in 182 days of the summers of 1998~2000 over Tibetan Plateau, 28,685 Mesoscale Convective Systems (MCSs) and some features during their initiation, such as daily frequency, intensity, shape, daily variation and geographic distribution were automatically tracked and extracted by computer. The results show that the daily mean number of MCSs was 163, among which ...
متن کاملIs aerosol formation in cirrus clouds possible?
The recent observation of ultrafine aerosol particles in cirrus clouds has raised the question whether aerosol formation within cirrus clouds is possible, and if so, what mechanisms are involved. We have developed an aerosol parcel model of neutral and charged H2SO4/H2O aerosol processes, including nucleation from the gas phase and loss onto cirrus ice particles. Laboratory thermodynamic data f...
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ژورنال
عنوان ژورنال: Atmospheric Chemistry and Physics
سال: 2020
ISSN: 1680-7324
DOI: 10.5194/acp-20-11799-2020