Read e-book online Deserts and arid lands PDF

By Farouk El-Baz (auth.), Farouk El-Baz (eds.)

ISBN-10: 9024728509

ISBN-13: 9789024728503

ISBN-10: 9400960808

ISBN-13: 9789400960800

ISBN-10: 9400960824

ISBN-13: 9789400960824

Remote sensing is the learn of a zone from a distance, rather from an plane or a spacecraft. it's a instrument that may be utilized in conjunction with different tools of study and research. This software is principally appropriate to the examine of the deserts and arid lands of the Earth due to their mammoth dimension and their inaccessibility to targeted examine by way of traditional potential. during this e-book examples are given of the application of aerial photos and house photos within the learn of semi-arid, arid, and hyper-arid terrains. Emphasis is put on the actual positive factors and terrain kinds utilizing examples from worldwide. The authors i've got known as upon to arrange every one bankruptcy are popular experts whose contributions have obtained foreign acceptance. To the final reader, this e-book is a assessment of our wisdom of the fairly dry elements of the Earth, their type and sundry positive factors, their evolution in house and time, and their improvement potentials. To the professional, it's a certain account of the deserts and arid lands, not just in North the United States, but in addition their really unknown opposite numbers in North Africa, Australia, China, India, and Arabia.

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Ann Arbor, Michigan: Environmental Research Institute of Michigan, First Thematic Conference: 'Remote Sensing of Arid and Semi-arid Lands', Cairo, Egypt, ERIM, paper B-II, pp 101-102, 1982. 23. Bagnold RA: The physics of blown sand and desert dunes. London: Methuen and Co. , 1941,266 p. 24. Embabi NS: Barchan dune movement and its effects on economic development at the Kharga depression, Western Desert, Egypt. Cairo, Egypt: Ain Shams University, Bull. Mid East Res. , 1978 (in Arabic). 25. Goetz AFH: Reflectance radiometry of the earth: preliminary results from the Shuttle multispectral radiometer.

It is believed that these parabolic dunes constitute the final phase in the evolution of immobile barchans. The latter in this case are taken en masse and sculpted by corrasion into parabolic dunes, with passage from an arid to a subhumid climate (800-1000 mm precipation) to a quite dry one resembling the present climate. g. g. the basin of the Columbia River, Washington State, USA. g. in the Rajasthan Desert, India (Fig. 15). 49 BARMER INDIA 6 DEC 72 JAISALMER-2 1136-05153 6DEC72 INDIA 1136-05151 IOkm I Fig.

6). The types of sandridges can thus be considered according to: (a) their size (small in Arizona, middle sized in the Simpson desert of Australia, and large in the erg of Fachi Bilma and in the Check erg); (b) the degree of periodicity of the ridges; periodical ridges (as in the Simpson desert and in the erg of Fachi Bilma); and aperiodical ridges (as in Egypt in the Ghard Abu Muharik which is isolated, and in Upper Volta, where in the Sahel the ridges cross the entire northern part of the country, beginning even farther east in Niger); and (c) the presence (gassi) or absence (feidj) of sand in the corridors, (as in gassi Touil in the Erg Oriental and gassi in the Erg of Fachi Bilma, and feidj in the ergs Chech and Iguidi, Fig.

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Deserts and arid lands by Farouk El-Baz (auth.), Farouk El-Baz (eds.)


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