Publications
The following list of California Water Science Center publications includes both official USGS publications and journal articles authored by our scientists.
Filter Total Items: 1811
The production and variability of acid mine drainage at Iron Mountain, California: A superfund site undergoing rehabilitation The production and variability of acid mine drainage at Iron Mountain, California: A superfund site undergoing rehabilitation
No abstract available.
Authors
D. Kirk Nordstrom, J.M. Burchard, Charles N. Alpers
Ground-water flow and solute movement to drain laterals, western San Joaquin Valley, California; I, Geochemical assessment Ground-water flow and solute movement to drain laterals, western San Joaquin Valley, California; I, Geochemical assessment
A study was undertaken to quantitatively evaluate the hydrologic processes affecting the chemical and isotopic composition of drain-lateral water in a drained agricultural field in the western San Joaquin Valley, California. The results of chemical and isotopic analysis of the samples and analysis of hydraulic-head data and drain-lateral flow data elucidate the process of mixing of deep...
Authors
S. J. Deverel, J.L. Fio
Instantaneous and daily values of the surface energy balance over agricultural fields using remote sensing and a reference field in an arid environment Instantaneous and daily values of the surface energy balance over agricultural fields using remote sensing and a reference field in an arid environment
Remotely sensed surface temperature and reflectance in the visible and near infrared wavebands along with ancilliary meteorological data provide the capability of computing three of the four surface energy balance components (i.e., net radiation, soil heat flux, and sensible heat flux) at different spatial and temporal scales. As a result, under nonadvective conditions, this enables the...
Authors
William P. Kustas, M. S. Moran, R. D. Jackson, L. W. Gay, L.F.W. Duell, K. E. Kunkel, A.D. Matthias
Monitoring land subsidence in Sacramento Valley, California, using GPS Monitoring land subsidence in Sacramento Valley, California, using GPS
Land subsidence measurement is usually based on a comparison of bench-mark elevations surveyed at different times. These bench marks, established for mapping or the national vertical control network, are not necessarily suitable for measuring land subsidence. Also, many bench marks have been destroyed or are unstable. Conventional releveling of the study area would be costly and would...
Authors
J. C. Blodgett, M. E. Ikehara, Gary E. Williams
Production of sulfur gases and carbon dioxide by synthetic weathering of crushed drill cores from the Santa Cruz porphyry copper deposit near Casa Grande, Pinal County, Arizona Production of sulfur gases and carbon dioxide by synthetic weathering of crushed drill cores from the Santa Cruz porphyry copper deposit near Casa Grande, Pinal County, Arizona
Samples of ground drill cores from the southern part of the Santa Cruz porphyry copper deposit, Casa Grande, Arizona, were oxidized in simulated weathering experiments. The samples were also separated into various mineral fractions and analyzed for contents of metals and sulfide minerals. The principal sulfide mineral present was pyrite. Gases produced in the weathering experiments were...
Authors
M. E. Hinkle, J. L. Ryder, S. J. Sutley, T. Botinelly
Environmental changes in the Tule Lake basin, Siskiyou and Modoc Counties, California, from 3 to 2 million years before present Environmental changes in the Tule Lake basin, Siskiyou and Modoc Counties, California, from 3 to 2 million years before present
Pollen and diatom analyses of a core from the town of Tulelake, Siskiyou County, California, for the period between 3 and 2 Ma reveal a paleoclimatic and paleolimnologic sequence recording a long, warm time interval that lasted from about 2.9 to 2.6 Ma and had a short, cooler interval within it. During this warm interval, the regional vegetation surrounding ancient Tule Lake was a mixed...
Authors
David P. Adam, J. Platt Bradbury, Hugh J. Rieck, Andrei M. Sarna-Wojcicki
Episodic changes in lateral transport and phytoplankton distribution in South San Francisco Bay Episodic changes in lateral transport and phytoplankton distribution in South San Francisco Bay
Increased lateral flows were directed to the west and may explain the large fluctuations in phytoplankton biomass observed over the broad eastern shoal during spring. -from Authors
Authors
L.M. Huzzey, J. E. Cloern, T.M. Powell
Ground-water flow and solute movement to drain laterals, western San Joaquin Valley, California; II, Quantitative hydrologic assessment Ground-water flow and solute movement to drain laterals, western San Joaquin Valley, California; II, Quantitative hydrologic assessment
Ground-water-flow modeling was used to estimate ground-water-flow paths and traveltimes to quantitatively assess the hydrologic processes affecting ground water and solute movement to drain laterals. Modeling results were used to calculate the depth distribution of ground water flowing into drain laterals at 1.8 meters (drain lateral 1) and 2.7 meters (drain lateral 2) below land surface...
Authors
J.L. Fio, S. J. Deverel
Establishment of red shiner, Notropis lutrensis, in the San Joaquin Valley, California Establishment of red shiner, Notropis lutrensis, in the San Joaquin Valley, California
No abstract available at this time
Authors
M.R. Jennings, M. K. Saiki
Storm-runoff generation in the Permanente Creek drainage basin, west central California - An example of flood-wave effects on runoff composition Storm-runoff generation in the Permanente Creek drainage basin, west central California - An example of flood-wave effects on runoff composition
Variations in the isotopic and chemical composition of storm runoff in the 10.6-km2 Permanente Creek basin, Santa Clara County, California, indicate that changes in water composition lag behind changes in streamflow. This lag occurs even though field observations and rainfall-runoff modeling indicate that much of the storm runoff must be composed of "new" water running off impervious...
Authors
K.M. Nolan, B. R. Hill
Selenium speciation methods and application to soil saturation extracts from San Joaquin Valley, California Selenium speciation methods and application to soil saturation extracts from San Joaquin Valley, California
Methods to determine soluble concentrations of selenite, selenate, and organic Se were evaluated on saturation extracts of soil samples collected from three sites on the Panoche Creek alluvial fan in the western San Joaquin Valley, California. The methods were used in combination with hydride-generation atomic-absorption spectrometry for detection of Se, and included a selective chemical...
Authors
John L. Fio, Roger Fujii
Remarkable invasion of San Francisco Bay (California, USA), by the Asian clam Potamocorbula amurensis. I. Introduction and dispersal Remarkable invasion of San Francisco Bay (California, USA), by the Asian clam Potamocorbula amurensis. I. Introduction and dispersal
The euryhaline bivalve mollusc Potamocorbula amurensis (family Corbulidae), a native of China, Japan, and Korea, has recently appeared and become very abundant in San Francisco Bay. This clam appears to have been introduced as veliger larvae in the seawater ballast of cargo vessels. It was first collected in northern San Francisco Bay in late 1986. P, amurensis then spread throughout the...
Authors
James T. Carlton, Janet K. Thompson, Laurence E. Schemel, Frederic H. Nichols