USGS: Science Topics: field methods

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Field methods

Research procedures and instrumental means to measure, collect data and samples, and observe in the natural areas where the materials, phenomena, structures, or species being studied occur.

Subtopics:
Field experiments (10 items)
Field inventory and monitoring (329 items)
Field sampling (105 items)
Geolocation measurement (34 items)
Real-time monitoring and reporting (173 items)

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Results 11 - 20 of 521 listed by similarity [list alphabetically]

Hydroacoustic methods [New Window]: Technical information on acoustic methods of measuring water currents and applications of hydroacoustic techniques to problems in surface water hydrology.
Illustrated field guide for assessing external and internal anomalies in fish [New Window]: Links to PDF version of the field guide.
Introduction to potential fields: Gravity [New Window]: Explanation of the Earth's gravitational field, emphasizing how USGS scientists measure gravity and portray these measurements on maps. Explains terminology of gravity anomaly maps and their relationship to the rock types and other geologic features.
Introduction to potential fields: Magnetics [New Window]: Explanation of the Earth's magnetic field and how USGS measures it. Defines magnetic anomaly, induced and remanent magnetism in rocks, and describes magnetic anomaly maps.
Lake monitoring field manual [New Window]: Handbook on monitoring methods for lake management, including program design, sampling methods and protocol, biota and chemical sampling methods, laboratory methods, preservation of data and samples, glossary, and bibliography. (PDF file, 92 pp.)
Methods of installing United States National Seismographic Network (USNSN) stations: a construction manual [New Window]: Instructions on how to build a protective outdoor seismic vault used as stations for broadband seismic sensors that respond to seismic energy, temperature, and atmospheric pressure for the United States National Seismic Network in PDF format.
National field manual for the collection of water-quality data [New Window]: Field manual (also available in PDF and paper formats) with instructions on techniques to collect and process water samples and to perform measurements of temperature, oxygen content, conductance, pH, turbidity, and fecal contaminants.
Northern Appalachian Field Lab, Leetown Science Center [New Window]: Description of scientific focus and research at the Northern Appalachian Field Lab on mining land use impacts and mediation, aquatic ecology, effects of dam removal, and invasive plant and animal species.
Operational guidelines for geological fieldwork in areas endemic for Coccidioidomycosis (Valley Fever) [New Window]: Report giving operational guidelines that will lower the risk of coccidioidomycosis (Valley fever) for individuals who work outdoors in areas where the disease is endemic.
Southern Appalachian Field Branch, Leetown Science Center [New Window]: Cooperative research in the biological, geophysical, and social sciences with emphasis on upland ecosystems in the southern Appalachian Highlands.

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