NDLI: Improved high wind speed retrievals using AMSR and the next generation NASA Dual Frequency Scatterometer

Content Provider	IEEE Xplore Digital Library
Author	Laupattarakasem, P. Alsweiss, S. El-Nimri, S. Jones, W.L. Veleva, S. Stiles, B.W. Rodriguez, E. Gaston, R.W.
Copyright Year	2010
Description	Author affiliation: Central Florida Remote Sensing Laboratory University of Central Florida, Orlando, Florida 32816, U.S.A (Laupattarakasem, P.; Alsweiss, S.; El-Nimri, S.; Jones, W.L.) \|\| Jet Propulsion Laboratory Pasadena, CA (Veleva, S.; Stiles, B.W.; Rodriguez, E.; Gaston, R.W.)
Abstract	Microwave scatterometer measurements are the standard for satellite ocean vector winds (OVW) measurements. Unfortunately, in extreme weather events, where high wind speeds are frequently associated with strong rain bands, precipitation can significantly degrade the OVW retrieval accuracy. This study addresses the feasibility of exploiting passive measurements to improve high wind speed retrievals for such extreme weather events. The Jet Propulsion Laboratory (JPL) has developed a conceptual design for a Dual Frequency Scatterometer (DFS) proposed to fly onboard the future Japan Aerospace Exploration Agency (JAXA) GCOM-W2 mission with the Advanced Microwave Scanning Radiometer (AMSR). These two instruments will provide a complimentary dataset of simultaneous and coincident active/passive measurements, which can correct for rain effects and thereby improve the OVW retrievals. End-to-end computer simulations are performed using the Weather Research and Forecasting (WRF) numerical weather model tuned to Hurricane Katrina (2005) for the 3D nature run (surface truth). Results show that the new OVW retrievals compare well to the nature run surface wind vectors and that this active/passive technique offers a robust option to extend the useful wind speed measurements range beyond the current operating scatterometers for future satellite missions.
Starting Page	134
Ending Page	139
File Size	724645
Page Count	6
File Format	PDF
ISBN	9781424481200
e-ISBN	9781424481217
DOI	10.1109/MICRORAD.2010.5559575
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-03-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sea surface Rain Active Radar measurements Wind speed Passive AMSR Sea measurements ocean vector Hurricane Ocean temperature dual frequency scatterometer
Content Type	Text
Resource Type	Article

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