NDLI: Coincident occurrences of tropical individual cirrus clouds and deep convective systems derived from trmm observations

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Coincident occurrences of tropical individual cirrus clouds and deep convective systems derived from trmm observations

Content Provider	NASA Technical Reports Server (NTRS)
Author	Fan, Alice Chambers, Lin Sun, Wenbo Lin, Bing Minnis, Patrick Hu, Yongxiang Xu, Kuan-Man Wielicki, Bruce A.
Copyright Year	2007
Description	Measurements of cloud properties and atmospheric radiation taken between January and August 1998 by the Tropical Rainfall Measuring Mission (TRMM) satellite were used to investigate the effect of spatial and temporal scales on the coincident occurrences of tropical individual cirrus clouds (ICCs) and deep convective systems (DCSs). It is found that there is little or even negative correlation between instantaneous occurrences of ICC and DCS in small areas, in which both types of clouds cannot grow and expand simultaneously. When spatial and temporal domains are increased, ICCs become more dependent on DCSs due to the origination of many ICCs from DCSs and moisture supply from the DCS in the upper troposphere for the ICCs to grow, resulting in significant positive correlation between the two types of tropical high clouds in large spatial and long temporal scales. This result may suggest that the decrease of tropical high clouds with SST from model simulations is likely caused by restricted spatial domains and limited temporal periods. Finally, the radiative feedback due to the change in tropical high cloud area coverage with sea surface temperature appears small and about -0.14 W/sq m per degree Kelvin.
File Size	214413
Page Count	19
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20080000846
Archival Resource Key	ark:/13960/t0vq7x33d
Language	English
Publisher Date	2007-01-01
Access Restriction	Open
Subject Keyword	Meteorology And Climatology Tropical Regions Sea Surface Temperature Atmospheric Radiation Cloud Physics Cirrus Clouds Troposphere Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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