NDLI: Discrimination of Africa's vegetation using reconstructed ERS-1 imagery

Content Provider	IEEE Xplore Digital Library
Author	Hardin, P.J. Long, D.G. Remund, Q.P.
Copyright Year	1996
Description	Author affiliation: Dept. of Geogr., Brigham Young Univ., Provo, UT, USA (Hardin, P.J.)
Abstract	Because of persistent cloud cover typical of equatorial regions, active microwave imagery such as ERS-1 SAR is preferred over high-resolution visible and near infrared spaceborne sensors. However, no active microwave instrument designed to provide continental coverage at resolutions similar to the popular AVHRR has ever flown. Satellite scatterometers are calibrated active microwave radar instruments originally designed to measure the radar backscatter of the ocean's surface under all-weather conditions. The European Space Agency successfully launched its ERS-1 satellite into a quasi-polar mission-adjustable orbit in the summer of 1991. The instrument payload included the Active Microwave Instrument (AMI) which is capable of operating in a wind scatterometer mode (5.3 GHz) for the production of wind vector products. However, an image reconstruction technique developed by D.G. Long et al. (1993) has improved the AMI scatterometer resolution to 14 km (from 50 km), making it a candidate for coarse monitoring of cloudy global areas such as the Arctic, Antarctic, and continental equatorial forests. The goal of the research reported in this paper is to evaluate reconstructed ERS-1 scatterometry for discriminating between vegetation classes of continental Africa.
Starting Page	827
Ending Page	829
File Size	363502
Page Count	3
File Format	PDF
ISBN	0780330684
DOI	10.1109/IGARSS.1996.516490
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-05-31
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Africa Spaceborne radar Radar measurements Instruments Image reconstruction Vegetation mapping Infrared image sensors Satellites Radar imaging Radar scattering
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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