Geomorphic Processes in Arid Environments / Geomorphologische Prozesse Arider Gebiete: Proceedings of the Jerusalem-Elat Symposium Volume II Sections 3 to 5

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Language: Contributions in English with one German contribution

CONTENTS:

III. Weathering Processes

GOUDIE, A.: Further experimental investigation of rock weathering by sale crystallisation and other mechanical processes 1

RAVINA, I. & D. ZASLAVSKY: The electrical double layer as a possible factor in desert weathering 13

PEEL, R. F.: Insolation weathering: Some measurements of diurnal temperature changes in exposed rocks in the Tibesti region, central Sahara 19

YAALON, D. H.: Notes on some geomorphic effects of temperature changes on desert surfaces 29

HAGEDORN, J.: Note on the occurrence of needle ice phenomena in the southern Sinai Mountains 35

IV. Fluvial Processes

BEATY, C. B.: Debris flows, alluvial fans, and a revitalized catastrophism 39

EMMETT, W. W.: Channel aggradation in western United States as indicated by observetions at Vigil Network sites 52

COOKE, R. U.: The rainfall context of Arroyo initiation in Southern Arizona 63

FAULKNER, H.: An allometric growth model for competitive gullies 7

SCHICK, A. P.: Formation and obliteration of desert stream terraces - A conceptual analysis 88

V. Slope Processes

YAIR, A. & H. LAVEE: Areal contribution to runoff on scree slopes in an extreme arid environment: A simulated rainstorm experiment 106

CAMPBELL, J. A.: Measurements of erosion on badlands surfaces 122

BRYAN, R. B.: A simulated rainfall test for the prediction of soil erodibility 138

KIRKBY, A. V. T. & M. J. KIRKBY: Surface wash at the semi-arid break in slope 151

PLOEY, J. DE Mechanical properties of hillslopes and their relation to Bullying in central semi-arid Tunisia 177

NIR, D. & M. KLEIN: Gully erosion induced by changes in land use in a semi-arid terrain (Nahal Shiqma, Israel) 191

YAIR, A. & R. GERSON: Mode and rates of escarpment retreat in an extremely arid environment (Sharm el Sheikh, Southern Sinai Peninsula) 202

SCHICK, A. P., D. H. YAAEON & A. YAIR: Preface V

Introduction VI

List of Participants VII

Program of Papers VIII

GERSON, R. & M. INBAR: The field study program of the Jerusalem-Elat Symposium, 1974.

Reviews and summaries of Israeli research projects 1

I. Aeolian Landscapes and Processes

TSOAR, H.: Desert dunes morphology and dynamics, El Arish (Northern Sinai) 41

MAINGUET, M. & Y CARROT: Air photo study of typology and interrelations between the texture and structure of dune patterns in the Fachi-Bilma Erg, Sahara 62

ROOYEN, T. H. VAN & T. DU BURGER: Dispersal and sedimentary characteristics of sandy soil parent materials in semiarid South Africa

YAAT-ON, D. H. & J. DAN: Accumulation and distribution of loess-derived deposits in the semi-desert and desert fringe areas of Israel 91

BUTLER, B. E.: A contribution towards the better specification of parna and some other aeolian clays in Australia 106

II. Landform Evolution and Dynamics

BURY, W. B.: Playa processes in the volcanic craters of the Sierra Pinacate, Sonora, Mexico 117

CLARK, D. M., C. W. MITCHELL & J. A. VAREEY: Geomorphic evolution of sediment filled solution hollows in some arid regions (Northwestern Sahara) 130

LATTMAN, L. H. & S. K. LAUFFENBURGER: Proposed role of gypsum in the formation of caliche 140

FANIRAN, A.: Nearest-neighbour analysis of inter-inselberg distance: A case study of the inselbergs of Southwestern Nigeria 150

MENSCHING, H. G.: Landforms as a dynamic expression of climatic factors in the Sahara and Sahel - A critical discussion 168

MECKELEIN, W.: Aride Verwitterung in Polargebieten im Vergleich zum subtropischen Wüstengurtel 178

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