United States Geological Survey YearbookThe Survey, 1985 - Geology |
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Page 38
... plume is significant , but little vertical mixing occurs . After 10,000 feet of movement , the plume is only about 75 feet thick , with a core zone 20 to 30 feet thick where the contaminants remain at concentra- tions more than one ...
... plume is significant , but little vertical mixing occurs . After 10,000 feet of movement , the plume is only about 75 feet thick , with a core zone 20 to 30 feet thick where the contaminants remain at concentra- tions more than one ...
Page 72
... plumes driven by sulfur dioxide gas were erupting from both ends of the narrow linear fissure ( curved arrows ) . Note the large chilled crust islands and floating debris within the 102 - mile - diameter black lake of suspected molten ...
... plumes driven by sulfur dioxide gas were erupting from both ends of the narrow linear fissure ( curved arrows ) . Note the large chilled crust islands and floating debris within the 102 - mile - diameter black lake of suspected molten ...
Page 99
... plume location . Increasing the dissolved ions in water increases its electrical conductivity . Because of the elevated level of dissolved ions , the plume is detectable , from instrumentation on the land surface , by a number of ...
... plume location . Increasing the dissolved ions in water increases its electrical conductivity . Because of the elevated level of dissolved ions , the plume is detectable , from instrumentation on the land surface , by a number of ...
Page 100
... plume . Most dissolved organic carbon , present in the plume beyond 1,500 feet from the point of infiltration , may be nonbiodegradable detergents . ( Photograph by Denis R. LeBlanc , Water Resources Division , U.S. Geological Survey ...
... plume . Most dissolved organic carbon , present in the plume beyond 1,500 feet from the point of infiltration , may be nonbiodegradable detergents . ( Photograph by Denis R. LeBlanc , Water Resources Division , U.S. Geological Survey ...
Page 101
... plume beyond 1,500 feet from the point of infiltration , may be nonbiodegradable materials , SAND BEDS such as detergents . Microbial popula- tions are distributed in the plume in a manner consistent with the distribution of changes in ...
... plume beyond 1,500 feet from the point of infiltration , may be nonbiodegradable materials , SAND BEDS such as detergents . Microbial popula- tions are distributed in the plume in a manner consistent with the distribution of changes in ...
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activities Alaska aquifer areas Assistant Bacillus cereus basins Bureau California cartographic cartographic data base City coal Columbia Glacier Commission contaminants Control Cooperative Denver Department of Public digital cartographic data digital data earthquake energy Environmental eruption Federal agencies Federal Bldg feet fiscal year 1984 flow fluid inclusions geochemical geographic geographic information systems Geologist geophysical ground water ground-water hazards High Plains hydrologic ical image map information systems investigations irrigation Lake land Landsat lava located Loki Patera major Management Mauna Loa million mineral deposits mineral resources models monitoring National Center National Mapping Division Office offshore Parkfield Parkfield earthquake Planning potential production quadrangle radar Regional remote sensing River rocks San Andreas fault scientific sediment Service sources square miles STOP studies sulfur surface Survey scientists Survey's techniques tion topographic maps trends U.S. Geological Survey Volcano Water Conservation District Water District zone