NDLI: Hyperspectral Microwave Atmospheric Sounding

Content Provider	IEEE Xplore Digital Library
Author	Blackwell, W.J. Bickmeier, L.J. Leslie, R.V. Pieper, M.L. Samra, J.E. Surussavadee, C. Upham, C.A.
Copyright Year	1980
Abstract	We introduce a new hyperspectral microwave remote sensing modality for atmospheric sounding, driven by recent advances in microwave device technology that now permit receiver arrays that can multiplex multiple broad frequency bands into more than 100 spectral channels, thus improving both the vertical and horizontal resolutions of the retrieved atmospheric profile. Global simulation studies over ocean and land in clear and cloudy atmospheres using three different atmospheric profile databases are presented that assess the temperature, moisture, and precipitation sounding capability of several notional hyperspectral systems with channels sampled near the 50-60-, 118.75-, and 183.31-GHz absorption lines. These analyses demonstrate that hyperspectral microwave operation using frequency multiplexing techniques substantially improves temperature and moisture profiling accuracy, particularly in atmospheres that challenge conventional nonhyperspectral microwave sounding systems because of high water vapor and cloud liquid water content. Retrieval performance studies are also included that compare hyperspectral microwave sounding performance to conventional microwave and hyperspectral infrared approaches, both in a geostationary and a low-Earth-orbit context, and a path forward to a new generation of high-performance all-weather sounding is discussed.
Sponsorship	IEEE Geoscience and Remote Sensing Society IEEE URSI
Starting Page	128
Ending Page	142
Page Count	15
File Size	2005840
File Format	PDF
ISSN	01962892
Volume Number	49
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Hyperspectral sensors Microwave devices Atmosphere Ocean temperature Moisture Microwave theory and techniques Remote sensing Marine technology Microwave technology Microwave antenna arrays water vapor Advanced Microwave Sounding Unit (AMSU) Advanced Technology Microwave Sounder (ATMS) data assimilation geostationary Geostationary Millimeter-wave Array Spectrometer (GeoMAS) Geostationary Operational Environmental Satellite humidity hyperspectral Hyperspectral Microwave Array Spectrometer (HyMAS) infrared microwave millimeter wave moisture National Polar-orbiting Operational Environmental Satellite System (NPOESS) neural network (NN) precipitation retrieval sounding temperature
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Electrical and Electronic Engineering

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