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Instrument design and development
Includes the design and development of software for a particular instrument.
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Groundwater geophysical technology transfer [More info]
Site to provide USGS scientists with web-based resoures to transfer new geophysical knowledge and experience; includes methods, tools, publications and training.
Gulf of Mexico Climate-History Calibration Study [More info]
Proxy methods allow us to estimate ancient ocean temperatures but only if the method is calibrated using modern samples for which we measure the temperature. This is a proxy method using a sediment trap to collect planktonic foraminifera.
PDF Helping safeguard Veterans Affairs' hospital buildings by advanced earthquake monitoring [More info]
We put seismic monitoring instruments into 20 VA hospital buildings, connected with computers that analyze their data to determine rapidly the structural health of the buildings in the event of earthquakes.
PDF How does a U.S. Geological Survey streamgage work? [More info]
Explains how streamflow is measured, how it relates to water level, how stream discharge is measured, and how to find data on streamflow.
Hydroacoustic current meters for the measurement of discharge in shallow streams and rivers [More info]
Description and illustrations of hydroacoustic current meters for measuring the discharge in streams and rivers with links to wading discharge measurements, project progress and plans and references.
Hydroacoustic methods [More info]
Technical information on acoustic methods of measuring water currents and applications of hydroacoustic techniques to problems in surface water hydrology.
PDF Isotope and Chemical Methods in Support of the U.S. Geological Survey Science Strategy, 2003-2008 [More info]
Types of geochemical and isotopic analyses used in conducting a variety of research studies in USGS, primarily focused on mineral deposit formation.
PDF Landsat Data Continuity Mission [More info]
A partnership between NASA and USGS to assure continuous satellite imaging of the earth's surface that was begun 40 years ago.
PDF Landsat-A Global Land-Imaging Mission [More info]
Characteristics and history of this satellite-based earth imaging system, including plans and prospects for future instruments.
PDF Landsat: A Global Land Imaging Program [More info]
Overview of the history of this satellite imaging system, with details about the way in which it collects information about the earth's surface.
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