California ; Debris flow ; Mass movement ; Mountain ; Natural hazards ; Precipitation ; Sierra Nevada ; Slope dynamics ; Snow ; United States
for debris flows in the southern Sierra Nevada include intense rainfall, rain-on-snow storms, and seasonal melting of heavy snowpacks. Movement typically occurs at depths between 0.3 and 5 m below ground surface.
Mass movement ; Mountain ; Natural hazards ; Pyrénées ; Slope dynamics ; Spain ; Spatial distribution ; Thematic map
The general features of the rapid mass movements identified in a mountain area of the central Pyrenees (Aragonese, Alta Ribagorza) are studied in this article, carrying out an inventory of its different typologies and analysing its predominant
Using three nineteenth-century diaries of travelers in the USA to trace movements and observations of physical and human phenomenon. Involving students in people's lives is an effective way to interest students in geography. - (DWG)
Two main topics are examined especially in the European reality : 1) the key determinants of international migration movements and factors which influence the character of such processes ; 2) the positive and negative aspects of immigration
specification of the move or stay decision conditional on origin market and individual characteristics. A subsample of employed males from the Longitudinal Survey of Youth is used for estimation.
(Plzeň-Žatec) caused the slide. The block type movements dammed in several days the valley. The new lake was deep 21 m. Under several investigations are most important the measurements in 1972. The last data come from the bathymetric survey in 1990
The spread of coffee production triggered complex patterns of human migration. Andean peasants and others from Colombia spontaneously colonized extensive areas of the mid-slopes suitable for coffee production. These movements are analyzed through
Inspired by the Green Movement and invoking many of the analytical concepts of ecological science, environmental historians have offered criticisms of modern society and its relation with nature. Revisionists in ecological science have repudiated
Synoptic data associated with a sample of 554 heavy rainfall events is utilized to carry out a trajectory analysis that identifies the movements of moisture towards region of heavy rain. Both seasonal and regional variations are found
Citizenship ; Democracy ; Local policy ; Political geography ; Power ; Social group ; Social movement ; Social space ; Societal relations ; Territoriality
In this report, the AA. attempted to determine if extractable Fe, Al, and Mn provide age-dependent trends, evidence for downward movement, and leaching signals that relate the paleoclimatic influences. They also sought to determine the relative
kinds and two discourses on growth. Central and peripheral growth are linked in an oscillating movement of mutually reinforcing dynamics. The articulation of these dynamics with the local political space of the northern fringe is examined.
Australia ; Community ; Community life ; Industrial location ; Local policy ; New South Wales ; Participation ; Social structure ; Sydney ; Urban social movement ; Urban society ; Woman