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The first earth resources technology satellite nearly two years of operationA brief status report on the performance of the ERTS-1, and an overview of the applications derived from the images are presented. The ERTS-1 spacecraft, sensor and picture processing systems have continued to perform almost flawlessly since August 1972. Registered, multispectral images of all major land masses of the earth, both polar and some oceanic regions are continuously made, covering daily an area of about 5 million square kilometers. The systematic repetition of these observations, which were made over most parts of the world at least once every season, and the high accuracy of thematic mapping that can be obtained from the images, have resulted in many applications that have immense potential benefits for developing countries. Among these applications are the detection and accurate mensuration of surface water; the identification and mensuration of forests, rangeland, crops and soils; the monitoring and mapping of water quality, wildlife habitats and of the effects of land use practices on food and water resources; the assessment of flooding and earthquake hazards; and the facilitation of mineral exploration.
Document ID
19740021614
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Nordberg, W. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 3, 2013
Publication Date
June 1, 1974
Subject Category
Geophysics
Report/Patent Number
NASA-TM-X-70715
X-900-74-217
Accession Number
74N29727
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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