Publications
This list of Water Resources Mission Area publications includes both official USGS publications and journal articles authored by our scientists. A searchable database of all USGS publications can be accessed at the USGS Publications Warehouse.
Filter Total Items: 18420
Use of borehole neutron logs to estimate moisture content in the unsaturated zone of an alluvial aquifer
he neutron borehole logging tool was calibrated for the determination of moisture content in theunsaturated zone of an alluvial aquifer. A continuous core sample was collected to a depth of 15 ft from the unsaturated zone.Moisture content and other soil properties were determined by standard soil-laboratory techniques. The neutron logs profile was correlated to moisture content. The first correlat
Authors
Vicente Quinones-Aponte, Ramon A. Carrasquillo
Role of blanket deposits on the hydrology and water chemistry of the limestone water-table aquifer within the north coast of Puerto Rico through interpretation of geochemical data
No abstract available.
Authors
Angel Roman-Mas
Calculation of solar radiation in mountainous terrain
A study was performed to assess the accuracy of a daily solar radiation model for horizontal or sloping sites in terrain where surrounding ridges and tall trees block both direct beam and diffuse sky short wave radiation. To simulate adequately the major effects of these environments on radiation, the model incorporated (1) standard treatment of solar geometry (after Harris, 1983); (2) separation
Authors
Alan L. Flint, S.W. Childs
Estimating ground-water influx to a portion of the Rio Grande de Manati River basin in Puerto Rico through the measurement of 222Rn
Water has become a critical commodity in the Caribbean Region. In spite of a relative abundance of rainfall even on the smaller islands, the region is faced with severe seasonal shortages as well as increasing water quality problems. The supply of thewater needs in the area will become even more critical as economic development accelerates and the population continues to increase. The development
Authors
K. Kelly Ellins, Angel Roman-Mas, Roger W. Lee
Determination of the components of stormflow using water chemistry and environmental isotopes, Mattole River basin, California
The chemical and isotopic composition of rainfall and stream water was monitored during a storm in the Mattole River basin of northwestern California. About 250 mm of rain fell during 6 days (∼80% within a 42 h period) in late January, 1972, following 24 days of little or no precipitation. River discharge near Petrolia increased from 22 m3 s−1 to a maximum of 1300 m3s−1 while chloride and silica c
Authors
V. C. Kennedy, Cynthia R. Adams, Gary W. Zellweger, Theodore A. Wyerman, R. J. Avanzino
Comparison of four artificial substrates and the Ponar grab for benthic invertebrate collection
Four different bottom‐placed artificial substrates were compared with the Ponar grab for collecting benthic invertebrates. Artificial substrate samples of organisms were larger and more diverse than those of the grab. Barbeque Basket samplers caught the most taxa and individuals and Beak Trays caught the least. Chironomids and crustaceans were dominant in artificial substrate samples. Exposure hab
Authors
Keith V. Slack, Rodger F. Ferreira, Robert C. Averett
An overview of environmental surveillance of waste management activities at the Idaho National Engineering Laboratory
The Idaho National Engineering Laboratory (INEL), in southeastern Idaho, is a principal center for nuclear energy development for the Department of Energy (DOE) and the U.S. Nuclear Navy. Fifty-two reactors have been built at the INEL, with 15 still operable.
Extensive environmental surveillance is conducted at the INEL by DOE's Radiological Environmental Sciences Laboratory (RESL), and the U.S.
Authors
T.H. Smith, E.W. Chew, T.G. Hedahl, L. J. Mann, T.F. Pointer, G.B. Wiersma
Developing a state water plan: Ground-water conditions in Utah, spring of 1986
This is the twenty-third in a series of annual reports that describe ground-water conditions in Utah. Reports in this series, published cooperatively by the U.S. Geological Survey and the Utah Division of Water Resources, provide data to enable interested parties to keep abreast of changing ground-water conditions.This report, like the others in the series, contains information on well constructio
Authors
James L. Mason, G. J. Smith, D. Michael Roark, Patrick M. Lambert, V.L. Jensen, Dale E. Wilberg, Carole B. Burden, R. B. Garrett, D. C. Emett, Susan Duncanson, G. W. Sandberg, R. W Puchta, L. R. Herbert