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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 (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)
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Results 21 - 30 of 382 listed by similarity [list alphabetically]
PDF Buck Island Reef National Monument Sea Turtle Research Program: Sea turtle nesting research & monitoring protocols manual [More info]
Manual for research program on the nesting habits of sea turtles of the Virgin Islands, with descriptions of species, nesting behavior, observation methods, record keeping, tagging, and tissue sample collection. (PDF file, 121 pp.)
PDF Characterization of Fish Creek, Teton County, Wyoming, 2004-08 [More info]
Preliminary results of hydrologic and biological sampling confirm anecdotal reports that this stream shows unusually high algal growth due to elevated nutrients, probably from groundwater.
Climate-Driven Ocean Changes Affect Estuaries [More info]
Research findings and examples of application to real problems--Pacific Ocean cooling triggers phytoplankton blooms in San Francisco Bay.
Construction and installation of dendrometer bands for periodic tree-growth measurements [More info]
Use and function of dendrometer bands to make short-term repeated measurements of tree-stem growth. Photo illustrations of procedures and equipment.
PDF Demonstrating usefulness of real-time monitoring at streambank wells coupled with active streamgages - Pilot studies in Wyoming, Montana, and Mississippi [More info]
To better understand the exchange of groundwater and surface water, we coupled groundwater monitoring at the stream bank with nearby gages in the stream. Describes the procedure and results from several areas.
Duration and current conditions graphs for selected Pennsylvania sites [More info]
Plots of streamflow averages and ground water depths for selected hydrologic sites in Pennsylvania.
Elwha River dam removal -- Rebirth of a river [More info]
Overview of the USGS role in the largest dam removal project in U.S. history.
PDF Environmental Monitoring and Assessment Program Western Pilot Project - Conditions of North Dakota Perennial Streams for Water Chemistry and Mercury in Fish Tissue, 2000-2003 [More info]
Sixty-five sampling sites, selected by a statistical design to represent lengths of perennial streams in North Dakota, were chosen to be sampled for water chemistry and mercury in fish tissue to establish unbiased baseline data.
PDF Environmental Monitoring and Assessment Program Western Pilot Project - Information about selected fish and macroinvertebrates sampled from North Dakota perennial streams, 2000-2003 [More info]
Sixty-five sampling sites, selected by a statistical design to represent lengths of perennial streams in North Dakota, were chosen to be sampled for fish and aquatic insects (macroinvertebrates) to establish unbiased baseline data.
PDF Eruptions of Hawaiian volcanoes - past, present, and future [More info]
Originally published in 1987, this general-interest booklet has been revised in anticipation of the Centennial of the Hawaiian Volcano Observatory (HVO) in January 2012.
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