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USGS CMG InfoBank Geology School: agriculture

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Title Comment Keywords
Benefits of Volcanoes 25:42 - 26:30 (00:48) / 1.2 MB "James Sadd", volcano, "geologic hazard", soil, plant, agriculture, "hot spring", geothermal, energy, Iceland
Conclusion 26:30 - 26:59 (00:29) / 0.7 MB "James Sadd", volcano, agriculture, "ocean basin", water, ocean, atmosphere, geologist
Weathering and Soils 30 minutes / n.a. weathering, soil, "chemical weathering", water, rock, plant, erosion, "mechanical weathering", granite, agriculture, climate, "acid rain"
Destruction of Soil 17:49 - 18:18 (00:29) / 1.2 MB weathering, soil, humans, "Earth's surface", agriculture
Tropical Soil 18:18 - 19:20 (01:02) / 2.1 MB weathering, soil, tropic, jungle, "fertile soil", agriculture, "rain forest", vegetation, humus, nutrient, tree, plant, leaching, forest, erosion, wasteland
Soil Erosion 19:20 - 20:45 (01:25) / 2.0 MB "Richard Hazlett", "soil erosion", tropic, "rain forest", "Midwestern United States", "dust bowl", draught, wind, soil, weathering, dust, grassland, agriculture, glacial, plant, crop, topsoil, farming
Dust Bowl In Retrospect 20:45 - 21:21 (00:36) / 1.0 MB "Richard Hazlett", weathering, soil, "dust bowl", "U.S. Soil Conservation Service", agriculture, "natural resource"
Soil Management and Conservation 21:21 - 22:50 (01:29) / 2.7 MB "Wayne Soppeland", "Rick Aguayo", "Mojave Desert", soil, weathering, crop, erosion, water, "soil management", agriculture, "U.S. Soil Conservation Service", irrigation, "soil survey", farming
Flood Plains 12:12 - 13:14 (01:02) / 1.0 MB "James Sadd", meander, flood, floodplain, flatland, river, "river channel", riverbank, bank, landscape, humans, Tigris, Eurphrates, Mesopotamia, Yangtze, "Huang Ho", China, Nile, Egypt, crop, "muddy sediment", nutrient, deposition, irrigation, "geologic hazard", agriculture
Uses of Groundwater 01:39 - 02:47 (01:08) / 1.5 MB "James Sadd", groundwater, water, irrigation, agriculture, industry, lake, river, "Earth's surface", pollution, geologist, soil, "surface water", replenishment, infiltration
Development and Overgrazing 19:48 - 20:49 (01:01) / 1.9 MB vegetation, humans, atmosphere, plant, tree, air, climate, rainfall, semi-arid, desert, desertification, agriculture, grazing
Dust Bowl 20:49 - 21:42 (00:53) / 1.1 MB desertification, desert, "United States", "Great Plains", "ecological balance", rainfall, plant, agriculture, grazing, soil, drought, "dust bowl", "soil conservation"
Prevention of Desertification 23:44 - 24:47 (01:03) / 1.6 MB "Art Montana", desertification, "water conservation", groundwater, agriculture, deforesting, vegetation, subtropic, wind, topsoil, tree, Africa, pollution
Introduction to Glaciers 00:40 - 01:38 (00:58) / 1.5 MB introduction, "James Sadd", landscape, glacier, mountain, Alps, "Himalaya Mountains", Rockies, "Yosemite Valley", "Sierra Nevada", river, valley, lake, "North American Continent", "Great Lakes", loch, Scotland, agriculture, soil, China, "Soviet Union", Canada, "glacial ice", rock, silt, transportation, wind, "fertile soil", erosion
Introduction to Preserving the Legacy 00:40 - 02:20 (01:40) / 1.2 MB introduction, "James Sadd", "H. G. Wells", humans, civilization, mining, agriculture, Roman, "Industrial Revolution", England, gravity, heat, "human power", technology, animal
Geology School Keywords
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Page Last Modified: Thu Oct 31 04:24:25 PDT 2013  (chd)