What is it about?
The atmospheric circulation associated with the eastern Pacific single and double ITCZs, particularly its vertical structure, is little known. Using precipitation profiles from the TRMM Precipitation Radar, we estimated vertical profiles of latent heating and vertical velocity in the far-eastern Pacific ITCZs in the 800-730 hPa layer. We combined this with EPIC2001 and other in situ data to produce a preliminary characterization of the meridional-vertical circulation.
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Why is it important?
The vertical structure of the ITCZs in the eastern Pacific is little known due the sparce observations. This is the first attempt to directly use the TRMM PR precipitation rate profiles to estimate latent heating and vertical velocity, also characterize the meridional-vertical circulation in the eastern Pacific.
Perspectives
My research is focused on convection in the eastern Pacific using reliable data. The vertical structure of the eastern Pacific ITCZs are composed by a double cell structure with both shallow and upper level peaks in vertical velocity. The shallow circulation plays a role in the eastern Pacific and requires more studies. Cloudsat and GPM could be good sources for this purpose.
Miss Lidia Huaman
Texas A&M University
Read the Original
This page is a summary of: The vertical structure of the eastern Pacific ITCZs and associated circulation using the TRMM Precipitation Radar and in situ data, Geophysical Research Letters, August 2016, American Geophysical Union (AGU),
DOI: 10.1002/2016gl068835.
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