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Field inventory and monitoring
Repeated observation or sampling at a site, on a scheduled or event basis, for study and analysis. In general, this category excludes sampling programs in which materials are obtained in the field and brought back to a laboratory for study and analysis.
Subtopics:
Acoustic methods (33 items)
Borehole logging (7 items)
CTD measurement (1 items)
Ecosystem monitoring (62 items)
Electromagnetic surveying (11 items)
Handheld field spectroscopy (1 items)
Seismic methods (44 items)
Stream-gage measurement (137 items)
Telemetry (13 items)
Tiltmeter measurement (5 items)
Video monitoring (6 items)
Vocalization methods (2 items)
Animal and plant census (21 items)
Optical methods (3 items)
Gravimeter measurement (4 items)
Magnetometer measurement (1 items)
Tomography (1 items)
Statistical surveying (1 items)

Ocean current measurement (2 items)
Ocean monitoring (31 items)
Ocean wave measurement (3 items)
Volcano monitoring (15 items)
Weather monitoring (50 items)
Weather observations (50 items)
Precipitation measurement (10 items)
Rainfall measurement (10 items)
Snowfall measurement (10 items)
Related topics:
Results 367 - 382 of 382 listed by similarity [list alphabetically]
Water resources real-time data for the Nation [More info]
Access to national water resources real-time data typically recorded at 15-60 minute intervals, stored onsite, and then transmitted to USGS offices every 4 hours. Select for site information, ground water, surface water, and water quality.
Water use in Tennessee [More info]
Tennessee water-use information including links to a fact sheet, data, charts, and maps.
Water, Energy, and Biogeochemical Budgets (WEBB) [More info]
Describes the studies of five small watersheds, four in the U.S. and one in Puerto Rico, under the WEBB program to understand the processes controlling water, energy, and biogeochemical fluxes with links to other watershed research.
Water-Level Changes in the High Plains Aquifer, Predevelopment to 2002, 1980 to 2002, and 2001 to 2002 [More info]
Data from some 7,000 wells monitoring annual water level changes in the High Plains aquifer indicting changes in water level 1980 to 2002.
Water-related scientific programs in Hawaii and Pacific islands [More info]
Overview of water-related scientific programs in Hawaii and Pacific islands (Northern Marianas, Guam, Palau, and American Samoa). Links to programs on hydrologic data collection, ground water availability, and surface runoff.
Waterfowl identification in the Central Flyway [More info]
Identification manual with colored photos of species of puddle ducks, diving ducks, geese, mergansers, swans, cranes, herons, egrets, pelicans and cormorants. Also includes information on ordering print copy and downloading as *.zip file.
West-central Florida erosion study [More info]
West central Florida erosion interactive map with GIS datasets to download including geologic interpretative layers, samples, bathymetry, and imagery.
Western Ecological Research Center (WERC) [More info]
Links to research at the field stations of the Western Ecological Research Center with direct links to web pages for wildlife videos, satellite telemetry, fire ecology, invasive species, herpetology field guide, and coastal ecosystems.
Western lake catchment systems - Bear Lake region, Idaho-Utah [More info]
Homepage for project on Bear Lake, Idaho-Utah, to study past climate change and effect on lake catchment basins. Includes link to summary, personnel, geology, methods used including coring and seismic surveying, and publications.
Western Region Coastal and Marine Geology [More info]
Western Region Coastal and Marine Geology science center conducts research in the coastal and offshore areas of California, Oregon, Washington, Alaska, Hawaii, and other U.S. Pacific Islands.
Western Region geophysical investigations by the Geophysical Unit of Menlo Park, Calif. (GUMP) [More info]
Overview of the research group Geophysical Unit of Menlo Park (GUMP) with links to studies, models, and maps on gravity and geomagnetism in Nevada, California, Oregon, Washington and the U.S.
Whales and walrus: tillers of the seafloor [More info]
Report on sea floor marks in the Northeast Bering Sea and Chukchi Sea that were identified as pits and furrows caused by whales and walruses in the process of feeding on bottom crustaceans.
Whitebark pine communities [More info]
Report on status and trends of whitebark pine communities with references to related publications.
PDF Wildfire effects on source-water quality--Lessons from Fourmile Canyon fire, Colorado, and implications for drinking-water treatment [More info]
Stream discharge and nitrate concentration increased downstream of the burned area during snowmelt, but these were probably within the treatment capacity of most drinking-water plants, and limited changes were observed in downstream ecosystems.
Wildlife and Terrestrial Resources Program [More info]
Homepage of the USGS Wildlife and Terrestrial Resources Program with links to projects, centers, and cooperative research units.
Wyoming drought watch [More info]
Gives map of streamflow conditions in Wyoming with access to streamflow data, real-time, daily and historic, plus information on drought analysis and management.
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