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Subject: GISList: 85% map accurcay as per Anderson et al (1976)
Date:  08/30/2001 01:19:55 AM
From:  Comber, A.J.



Does anyone know what the origins are of the magic figure of 85%
accuracy, as stated in Anderson et al (1976, ref below):=20
"The minimum level of interpretation accuracy in the identification of
land use and land cover categories from remotely sensed data should be
at least 85%"

It cannot have been plucked out of the air!

Best wishes

Lex Comber


REVIGIS Project,
Department of Geography,=20
University of Leicester,=20
Leicester, LE1 7RH, UK
Tel: +44 (0)116 252 3859
Fax: +44 (0)116 252 3854=20
email: ajc36@le.ac.uk=20

Anderson, J. R., Hardy, E. E., Roach, J. T. and Witmer, R. E., 1976, "A
Land Use and Land Cover Classification System for Use with Remote Sensor
Data," U.S. Geological Survey, Professional Paper 964, p 28, Reston, VA


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