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Postgraduate Research Institute for Sedimentology, University of Reading, Whiteknights, Reading RG6 2AB, UK
The past 20 years have seen a major growth of interest in aeolian processes, landforms and sediments, as witnessed by a growing number of published papers in journals, conference proceedings and edited volumes (e.g. see the collections in Morales 1979; McKee 1979; Péwé 1981; Brookfield & Ahlbrandt 1983; Barndorff-Nielsen et al. 1985; Nickling 1986; Liu 1987; Eden & Furkert 1988; Kocurek 1988; Hesp & Fryberger 1988; Gimingham et al. 1989; Okuda et al. 1989; Leinen & Sarnthein 1989; Nordstrom et al. 1990; Barndorff-Nielsen & Willetts 1991a,b; Kocurek 1991; Carter et al. 1992; Pye & Lancaster 1993. A number of monographs dealing with sand dunes, dunefields, dust and loess have also been published (Greeley & Iversen 1985; Pye 1987; Lancaster 1989; Pye & Tsoar 1990; Coudé-Gaussen 1991). Several factors have contributed to this increased level of interest, including a desire to achieve a better understanding of recent aeolian environments as analogues for ancient aeolian hydrocarbon reservoirs (e.g. Glennie 1972; Fryberger et al. 1983) and other planets where aeolian processes play an important role (e.g. Breed & Grow 1979; Greeley & Iversen 1985), the requirement for the development of improved methods of desertification and sand control in arid and semi-arid regions (Khalaf 1989; Watson 1990), particularly in view of the predicted effects of global climate change (Houghton et al. 1990), the identification of coastal dune systems as an important recreational and conservation resource which is under threat from rising sea-level and human activities (ver der Meulen 1989; Bakker et al. 1990; van
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