NDLI: Determination of ice water path in ice-over-water cloud systems using combined modis and amsr-e measurements

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Determination of ice water path in ice-over-water cloud systems using combined modis and amsr-e measurements

Content Provider	NASA Technical Reports Server (NTRS)
Author	Fan, T.-F. Huang, Jianping Minnis, Patrick Lin, Bing Yi, Yuhong Sun-Mack, Sunny Ayers, J. K.
Copyright Year	2006
Description	To provide more accurate ice cloud properties for evaluating climate models, the updated version of multi-layered cloud retrieval system (MCRS) is used to retrieve ice water path (IWP) in ice-over-water cloud systems over global ocean using combined instrument data from the Aqua satellite. The liquid water path (LWP) of lower layer water clouds is estimated from the Advanced Microwave Scanning Radiometer for EOS (AMSR-E) measurements. With the lower layer LWP known, the properties of the upper-level ice clouds are then derived from Moderate Resolution Imaging Spectroradiometer measurements by matching simulated radiances from a two-cloud layer radiative transfer model. Comparisons with single-layer cirrus systems and surface-based radar retrievals show that the MCRS can significantly improve the accuracy and reduce the over-estimation of optical depth and ice water path retrievals for ice over-water cloud systems. During the period from December 2004 through February 2005, the mean daytime ice cloud optical depth and IWP for overlapped ice-over-water clouds over ocean from Aqua are 7.6 and 146.4 gm(sup -2), respectively, significantly less than the initial single layer retrievals of 17.3 and 322.3 gm(sup -2). The mean IWP for actual single-layer clouds was 128.2 gm(sup -2).
File Size	414712
Page Count	17
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20080015852
Archival Resource Key	ark:/13960/t5p897z1g
Language	English
Publisher Date	2006-11-01
Access Restriction	Open
Subject Keyword	Earth Resources And Remote Sensing Microwave Radiometers Water Cloud Physics Satellite Observation Climate Models Radiative Transfer Modis Radiometry Optical Thickness Ice Clouds 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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