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Laboratory methods
Experimental techniques to analyze and test samples in a place equipped and designed for the work.
Subtopics:
Chemical analysis (29 items)
Core analysis (8 items)
Culturing (specimens) (1 items)
Faunal and floral census (microscopic) (1 items)
Grain-size analysis (2 items)
Isotopic analysis (15 items)
Microscopy (4 items)
Paleomagnetic analysis (3 items)
Plant and animal testing (4 items)
Therapeutic methods (1 items)
Tree ring analysis (1 items)
Camera calibration (1 items)
Age estimation methods (5 items)
Results 61 - 67 of 67 listed by similarity [list alphabetically]
Tree rings record of 100 years of hydrologic change within a wetland [New Window]
Use of tree ring dating to study distinct episodes of hydrologic change in the Tully Valley wetland, New York recording history of solution-brine injection mining for salt.
USGS East-coast sediment analysis: analysis, procedures, database and georeferenced displays [New Window]
Grain-size analysis of marine sediments of the U.S. eastern coast with sampling and lab methods, surficial sediment database in three formats (Excel, Dbase IV, ASCII), and use of geographic mapping tools for visualizing sediment data layers.
USGS Reference Materials Program: Serving the needs of the global analytical community [New Window]
Synopsis of the research and services provided by USGS in support of reference materials used for calibration in laboratory analytical studies.
Understanding our planet through chemistry [New Window]
Site with a series of articles showing how chemists and geologists use analytical chemistry to determine the age of the Earth, determine Earth's history, predict volcanic eruptions, observe long-term atmospheric change and study pollution.
Wastewater Indicators Shown to Degrade in Streams [New Window]
Research findings and examples of application to real problems--the stability of contaminants that indicate human wastewater needs to be considered.
Western Fisheries Research Center (WFRC) [New Window]
Brief description of the Western Fisheries Research Center in Seattle devoted to research on fish populations and aquatic ecosystems of the West. Links to research programs, laboratory locations, publications, and map services.
Western lake catchment systems - Bear Lake region, Idaho-Utah [New Window]
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.
Result pages:Previous 1 2 3 4 5 6 7 All


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