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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:
CTD measurement (1 items)
Acoustic methods (33 items)
Animal and plant census (21 items)
Borehole logging (7 items)
Ecosystem monitoring (62 items)
Electromagnetic surveying (11 items)
Gravimeter measurement (4 items)
Handheld field spectroscopy (1 items)
Magnetometer measurement (1 items)
Optical methods (3 items)
Seismic methods (44 items)
Statistical surveying (1 items)
Stream-gage measurement (137 items)
Telemetry (13 items)
Tiltmeter measurement (5 items)
Tomography (1 items)
Video monitoring (6 items)
Vocalization methods (2 items)

Ocean current measurement (2 items)
Ocean monitoring (31 items)
Ocean wave measurement (4 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 11 - 20 of 383 listed alphabetically [list by similarity]
PDF Amphibian monitoring in the Atchafalaya Basin [More info]
They're abundant in this area, but hard to count reliably. We outline a procedure for estimating the population sizes so that we can determine whether they're increasing or dwindling. We must both listen for their calls and visually confirm them.
An interpretation of the 1977 Airborne Electromagnetic (AEM) survey, Fort Huachuca vicinity, Cochise County, Arizona [More info]
Complex report on the interpretation of aeromagnetic data to study hydrogeology of the San Pedro basin, Cochise County, Arizona determining geologic structure, basin fill and depth to water. Online version of a CD-ROM publication.
PDF Annual peak streamflow and ancillary data for small watersheds in central and western Texas [More info]
Estimates of annual peak-streamflow frequency are needed for flood-plain management, assessment of flood risk, and design of structures, such as roads, bridges, culverts, dams, and levees.
Aquatic Ecology Branch, Leetown Science Center [More info]
Programs of the Aquatic Ecology Branch on landscape ecology and GIS, molecular genetics, environmental contaminants, stream ecology, and other aspects of aquatic ecology in eastern United States.
Arctic National Wildlife Refuge, 1002 Area, petroleum assessment, 1998, including economic analysis [More info]
Arctic National Wildlife Refuge (ANWR) 1002 area's petroleum resource assessment. Text available in PDF and HTML formats.
PDF Assessment of aquatic macroinvertebrate communities in the Autauga Creek watershed, Autauga County, Alabama, 2009 [More info]
Previous analysis showed this area to have reduced macroinvertebrate biodiversity, an important measure of ecosystem health. New observations indicate that conditions have improved; report includes methods and results of sampling.
PDF Atmospheric Deposition Program of the U.S. Geological Survey [More info]
Document on the federally supported interagency National Acid Precipitation Assessment Program (NAPAP) covering research on causes and effects of acid precipitation with the USGS as the lead agency for monitoring wet acid deposition.
Avian influenza news and disease information [More info]
News regarding US efforts to monitor the spread of highly pathogenic avian influenza, with links to bulletins, FAQ list, field guides, and other resources.
PDF Bats of Ouray National Wildlife Refuge [More info]
Detailed information on capture-and-release surveying as well as acoustic monitoring of bats indicates prevalence of various species and, for the captured specimens, physiological characteristics.
Bemidji Project crude-oil research project: background information [More info]
The study of petroleum in both the saturated and unsaturated zones, to better understand the processes that control contaminant behavior, and to use this understanding to estimate the future behavior of the contaminants.
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