Titlebook: Geomorphological Fluid Mechanics; N. J. Balmforth,A. Provenzale Book 2001 Springer-Verlag Berlin Heidelberg 2001 Geomorphology.Iceberg.con

統(tǒng)治人類

The Dynamics of Snow and Ice Massese than two-thirds of the surface of Earth is covered by water, it is the water to ice conversion, and vice versa, that makes an important fraction of the globe habitable today. Hence, changes in the global scale dynamics of the ice cover capture scientific and public interest principally because of

精密

olfction

debris

Snow Avalanchesransportation, construction in high altitude areas, etc. In these mountain ranges, avalanches often threaten man’s activities and life. Typical examples include recent disasters, such as the avalanche at Val d’Isère in 1970 (39 people were killed in a hostel) or the series of catastrophic avalanches

核心

Dense Granular Avalanches: Mathematical Description and Experimental Validationplitudes of these disastrous events appear to have increased in recent years perhaps due to recent climate warming. The events endanger the personal property and infra-structure in mountainous regions. For example, from the winters 1940/41 to 1987/88 more than 7000 snow avalanches occurred in Switze

angiography

FIS

AWRY

礦石

Dunes and Drumlinswind blows sand into a wide variety of different shapes (see Chap. 17 for many illustration of such dunes). Linear dunes, or ‘seifs’, are ridges which form parallel to the prevailing wind direction, while transverse dunes are ridges perpendicular to the wind. A variety of other shapes can occur, amo

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