Desert GeomorphologyIncluding recent research findings from terrestrial satellite imagery, the study of planetary landscapes, and advances in laboratory work, this also covers the environmental processes involved in desertification and the solution of planning and |
Contents
The desert realm | 2 |
Diversity and distinctiveness of deserts | 7 |
Geomorphologists in deserts | 12 |
DESERT SURFACE CONDITIONS | 17 |
Introduction | 18 |
Weathering forms and processes | 23 |
Desert surfaces and soils | 45 |
Surface particle concentrations stone pavements | 68 |
Grains in motion | 253 |
Ripples | 267 |
Desert winds | 273 |
Wind erosion | 290 |
Aeolian sediments | 307 |
Dune processes | 321 |
Size and memory | 346 |
Anchored and stabilized dunes | 353 |
Volume changes patterned ground phenomena | 77 |
THE FLUVIAL DOMAIN IN DESERTS | 93 |
Desert drainage systems | 94 |
Slopes forms and processes | 114 |
Channels processes and forms | 143 |
Alluvial fans and their environments | 168 |
Pediments and glacis | 188 |
Baselevel plains playas and sabkhas | 202 |
Models of mountainplain evolution | 220 |
WIND IN DESERT GEOMORPHOLOGY | 233 |
The ro1e of wind | 234 |
Entrainment by wind | 245 |
Mobile dunes | 368 |
Aeolian sedimentary structures | 397 |
Sand seas and dunefields | 403 |
Palaeoaeolian deposits and landforms | 412 |
THE EVOLUTION OF DESERT LANDFORMS A global perspective | 417 |
Aridity and its development | 418 |
Deserts of the world | 423 |
| 449 | |
| 515 | |
| 519 | |
Common terms and phrases
aeolian aeolian sand Africa alluvial fans alluvium angle areas arid Arizona Australia Bagnold barchans basins calcretes California carbonate catchment changes channel clay climatic coarse coastal cracks crust debris deflation deposits desert discharge drainage drainage basin dunefield duricrusts dust environments ephemeral eroded erosion example ferricretes Figure flood flow fluvial formation Fryberger Geological geomorphology gilgai Goudie grains groundwater gypsum Holocene horizons humid increase infiltration inselbergs Journal lakes Lancaster landforms linear dunes loess Mainguet mega-dunes Mojave Desert movement Namib occur particles pattern pavement piedmont plains playas Pleistocene precipitation processes Quaternary rainfall relatively ripples River rock runoff sabkhas Sahara saline salt saltation sand seas scarp Schumm sediment sediment yield Sedimentary semi-arid silcretes slipface soil southern star dunes strata stream surface tafoni temperature transport transverse dunes Tsoar Twidale Valley vegetation ventifacts Wasson weathering wind regimes wind velocity yardangs zone