Fig. 7 gives the area Maquinchao-Jacobacci as
recorded by NOAA. it is evident, that there exists
a considerably higher level of abstraction than for
LANDSAT MSS. The interpreted classes refer to
the scheme given for Fig. 6, and without the basic
knowledge from LANDSAT MSS and ground truth
there is no chance for reliable interpretation of NOAA
imagery.
Acknowledgments
The author wishes to thank INTA experts in
Bariloche, Trelew and Rio Gallegos for providing data
and personal information during his stay in Patagonia
in 1991. Besides he thanks R. Beuchle/Karlsruhe for
doing the data processing as a part of his Diploma
Theses.
Literature
UNCOD: Draft Plan of Action to Combat Desertifi-
cation (1977)A/Conf. 74/2 and 2.36, Nairobi 1977
MENSCHING, H.: Desertification - Ein welt-
weites Problem der ökologischen Verwüstung in den
Trockengebieten der Erde. Wissenschaftliche Buch-
gesellschaft, Darmstadt 1990
SPECK, N. H. et al.: Sistemas Fisiogräficos de la Zona
Ingeniero Jacobacci - Maquinchao. INTA, Buenos
Aires 1982
MORELLO, J.: Perfil Ecológico de Sudamérica. Insti-
tuto de Cooperación Iberoamericana, Barcelona 1984
BAHR, H.-P. and Th. VOGTLE (Eds.): Digitale Bild-
verarbeitung,
Anwendung in Photogrammetrie, Kartographie und
Fernerkundung, Wichmann Verlag. Karlsruhe 1991
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