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Résultats de la recherche (141 résultats)

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Par Collection Par Auteur Par Date Par Sujet Par Titre
  • Grassroots-based watershed conservation in Central Appalachia
  • Appalachian Mountains ; Association ; Environment ; Environmental conservation ; Land management ; United States of America ; Water management ; Watershed ; West Virginia
  • Author discusses watershed conservation measures in West Virginia, which has 32 catchment areas. Each watershed is evaluated officially for a number of factors every five years. In addition, there are 90 grass-roots watershed associations that deal
  • with nonpoint polllution, sewage, water quantity, and land management and other issues. A case study of the watershed association in Knapps Creek, West Virginia is presented. - (SLD)
  • 2000
  • Hydro-ecological analysis of a sacred lake watershed system in relation to land-use / cover change from Sikkim Himalaya
  • Agricultural land use ; Agroforestry ; Ecosystem ; Himalaya ; Hydrology ; India ; Lake ; Nutrient ; Peat bog ; Plant canopy ; Sikkim ; Watershed
  • watershed in relation to land-use / cover change. The study investigates : precipitation, discharge and sediment movement; overland flow and soil loss; precipitation partitioning pathways in forest and agroforestery systems and the factors contributing
  • 2000
  • Source apportionment of lake bed sediments to watersheds in an Upper Mississippi basin using a chemical mass balance method
  • Grain size distribution ; Lacustrine sediment ; Lake ; Methodology ; Minnesota ; Model ; Sediment budget ; Sedimentology ; United States of America ; Watershed
  • 2000
  • Mapping and land-use planning for watershed management and land degradation assessment in Myanmar
  • Agriculture ; Burma ; Environmental management ; Geographical information system ; LANDSAT ; Land use ; MSS ; Remote sensing ; Soil degradation ; Soil erosion ; Thematic mapping ; Watershed
  • 2000
  • Lake-sediment-based evaluation of recent sediment yield from a small appalachian watershed, Thompson lake, Virginia
  • Hurricane ; Lacustrine sediment ; Lake ; Land use ; Magnetic susceptibility ; Precipitation ; Sediment budget ; Sedimentology ; Spatial variation ; United States of America ; Virginia ; Watershed
  • 2000
  • California ; El Niño ; Flood ; Human impact ; Inundation ; Natural hazards ; Ocean atmosphere interaction ; Precipitation ; Rainstorm ; United States of America ; Watershed
  • Paper reviews flooding events of 1986 and 1997 in California's Central Valley, when subtropical storms precipitated heavily over watersheds draining into the Valley. Precipitation levels and patterns of flooding were different. After 1997, officials
  • 2000
  • Calabria ; Chemical erosion ; Climatic variation ; Fluvial processes ; Geochemistry ; Gully erosion ; Italy ; Lithology ; Quaternary ; Sand ; Sediment load ; Slope gradient ; Watershed ; Weathering
  • Sand composition and Chemical Index of Alteration (CIA) of parent rocks, soil and fluvial sand of the Savuto River watershed, Calabria (Italy), were used to evaluate the modifications of source rocks through different sections of the basin
  • 2000
  • Active layer ; Arctic Region ; Canada ; Cold area ; Energy balance ; Hydrology ; Meltwater ; Northwest Territories ; Permafrost ; Snow cover ; Watershed
  • 2000
  • Czech Republic ; Geographical information system ; Geomorphology ; Jihomoravský ; Landslide ; Modelling ; Watershed
  • 2000
  • Reviews the role the FAO is playing to help in the implementation of Agenda 21. Resources for watershed management and sustainable mountain development have been doubled within FAO since 1994. At the same time, the FAO is cooperating with UN sister
  • 2000
  • Discharge ; Ethiopia ; Hydrology ; Interannual variability ; Monsoon ; Mountain ; Precipitation ; Seasonal variability ; Stream flow ; Time series ; Twentieth Century ; Water resources ; Watershed
  • 2000
  • Agropedology ; Gully erosion ; KwaZulu-Natal ; Land use ; Soil ; Soil erosion ; South Africa ; Typology ; Watershed
  • 2000
  • Environmental management ; Lesotho ; Modelling ; Mountain ; Soil conservation ; Soil erosion ; Water management ; Watershed
  • 2000
  • Badland ; Ecological inventory ; Mountain ; Pyrénées ; Soil erosion ; Spain ; Taxonomy ; Vegetation ; Vegetation dynamics ; Watershed
  • 2000
  • Rainfall simulation was used to examine runoff generation and sediment transport on roads, paths and 3 types of agricultural fields in Pang Khum Experimental Watershed (PKEW), in mountainous northern Thailand. Because interception of subsurface flow
  • 2000
  • Fire ; Flood ; Impact ; Lithology ; Mudflow ; New Mexico ; Rainstorm ; Soil erosion ; United States of America ; Watershed
  • 2000
  • Flood ; Mediterranean area ; Precipitation ; Rill wash ; Soil properties ; Spain ; Spatial variation ; Valencia ; Watershed
  • 2000
  • Fishing ; Geographical information system ; Italy ; Mountain ; Northern Italy ; Resource management ; Water ; Water resources ; Watershed
  • 2000
  • Bibliography ; Biotope ; Channel ; Ecology ; Ecosystem ; Fluvial processes ; Geomorphology ; Habitat ; Stream ; Watershed
  • 2000
  • Channel geometry ; Discharge ; Mathematical hydrology ; Model ; Slope gradient ; Software ; Stream ; Watershed
  • 2000