Physical characteristics of stream subbasins in the South Fork Crow River basin, south-central Minnesota
C. A. Sanocki
1998, Open-File Report 98-20
Data that describe the physical characteristics of stream subbasins upstream from selected. sites on streams in the South Fork Crow River Basin, located in south-central Minnesota are presented in this report. The physical characteristics are the drainage area of the subbasin, the percentage area of the subbasin covered only by...
Assemblages of fishes and their associations with environmental variables, lower San Joaquin River drainage, California
Larry R. Brown
1998, Open-File Report 98-77
Twenty sites in the lower San Joaquin River drainage, California, were sampled from 1993 to 1995 to characterize fish assemblages and their associations with measures of water quality and habitat quality. In addition, four fish community metrics were assessed, including percentages of native fish, omnivorous fish, fish intolerant of environmental...
Streamflow statistics of selected streams in the lower Red River of the North basin, North Dakota, Minnesota, and Manitoba
Tara Williams-Sether, Gregg J. Wiche
1998, Open-File Report 98-21
Statistical summaries of streamflow data through water year 1994 for selected active and discontinued U.S. Geological Survey gaging stations for the Red River of the North Basin downstream of Halstad, Minnesota, to and including Emerson, Manitoba, are presented in this report. The summaries for each streamflow-gaging station include (1) station...
Audio-magnetotelluric data collected in the Beatty, Nevada area
J. M. Williams
1998, Open-File Report 98-231
Multibeam data and socio-economic issues in west-central San Francisco Bay
John L. Chin, Paul R. Carlson, Florence L. Wong, David A. Cacchione
1998, Open-File Report 98-139
San Francisco Bay is the largest estuary on the conterminous U.S. Pacific Coast and is one of the world's largest natural harbors. It is a biologically productive and diverse environment. San Francisco Bay has a maritime economy that annually generates over $7.5 billion, handles 50 million tons of cargo, and...
Selected geochemical data for the Dillon BLM Resource Area, including the Virginia City mining district, Madison and Beaverhead Counties, southwest Montana : mineral-resource and mineral-environmental considerations
Jane Marie Hammarstrom, Bradley S. Van Gosen
1998, Open-File Report 98-224-C
Characteristics of discrete and basin-centered parts of the Lower Silurian regional oil and gas accumulation, Appalachian basin: Preliminary results from a data set of 25 oil and gas fields
Robert T. Ryder
1998, Open-File Report 98-216
Oil and gas trapped in Lower Silurian "Clinton" sands and Medina Group sandstone constitute a regional hydrocarbon accumulation that extends 425 mi in length from Ontario, Canada to northeastern Kentucky. The 125-mi width of the accumulation extends from central Ohio eastward to western Pennsylvania and west-central New York. Lenticular and...
Summary of pesticide data from streams and wells in the Potomac River Basin, 1993-96
Colleen A. Donnelly, Matthew J. Ferrari
1998, Open-File Report 97-666
Eighty-five water-soluble pesticides and pesticide degradation products were analyzed in 384 surface-water and ground-water samples collected from the Potomac River Basin during March 1993 through September 1996. Thirty-nine of these compounds were detected in surface-water samples and 16 were detected in ground-water samples. At least one pesticide was detected in...
Establishment of woody riparian vegetation in relation to annual patterns of streamflow, Bill Williams River, Arizona
P.B. Shafroth, G.T. Auble, J.C. Stromberg, D.T. Patten
1998, Wetlands (18) 577-590
Previous studies have revealed the close coupling of components of annual streamflow hydrographs and the germination and establishment of Populus species. Key hydrograph components include the timing and magnitude of flood peaks, the rate of decline of the recession limb, and the magnitude of base flows. In this...
Hawaiian Volcano Observatory, Summary 92. Part 1, seismic data, January to December 1992
J. S. Nakata, A. H. Tomori, W. R. Tanigawa, P. G. Okubo, T. N. Mattox, C. C. Heliker, M. T. Mangan, L. P. Keszthelyi
1998, Open-File Report 98-147
No abstract available....
Precipitation, streamflow, and water-quality data from selected sites in the City of Charlotte and Mecklenburg County, North Carolina, 1995-97
J. B. Robinson, W. F. Hazell, R. G. Garrett
1998, Open-File Report 98-67
Precipitation data were collected at 46 precipitation sites and 3 atmospheric deposition sites, and hydrologic data were collected at 9 stream sites in the vicinity of Charlotte and Mecklenburg County, North Carolina, from July 1995 through June 1997. Data were collected to identify the type, concentration, and amount of nonpoint-source...
Geology of the conterminous United States at 1:2,500,000 scale a digital representation of the 1974 P.B. King and H.M. Beikman map
Paul G. Schruben, Raymond E. Arndt, Walter J. Bawiec
1998, Data Series 11
This CD-ROM contains a digital version of the Geologic Map of the United States, originally published at a scale of 1:2,500,000 (King and Beikman, 1974b). It excludes Alaska and Hawaii. In addition to the graphical formats, the map key is included in ASCII text. A geographic information system (GIS) allows...
An analysis of crosswell radar data collected during an experimental gasoline spill
K.J. Ellefsen
1998, Open-File Report 98-225
An overview of San Francisco Bay PORTS
Ralph T. Cheng, David McKinnie, Chad English, Richard E. Smith
1998, Conference Paper
The Physical Oceanographic Real-Time System (PORTS) provides observations of tides, tidal currents, and meteorological conditions in real-time. The San Francisco Bay PORTS (SFPORTS) is a decision support system to facilitate safe and efficient maritime commerce. In addition to real-time observations, SFPORTS includes a nowcast numerical model forming a San Francisco...
Relation of lead exposure to sediment ingestion in mute swans on the Chesapeake Bay, USA
W. N. Beyer, D. Day, Alexandra Morton, Y. Pachepsky
1998, Environmental Toxicology and Chemistry (17) 2298-2301
Although wildlife risk assessments are generally based on the accumulation of environmental contaminants through food chains, wildlife may also ingest contaminants incidentally with sediment. Forty-two mute swans (Cygnus olor) were collected from unpolluted portions of central Chesapeake Bay, Maryland, USA, in spring 1995, and their intestinal digesta were analyzed for...
Estimating the effectiveness of further sampling inspecies inventories
Kim A. Keating, James F. Quinn, M.A. Ivie, L.L. Ivie
1998, Ecological Applications (8) 1239-1249
Estimators of the number of additional species expected in the next Δn samples offer a potentially important tool for improving cost-effectiveness of species inventories but are largely untested. We used Monte Carlo methods to compare 11 such estimators, across a range of community structures and sampling regimes, and validated our results,...
Geologic controls on the formation of lakes in north-central Florida
Jack L. Kindinger, Jeffrey B. Davis, James G. Flocks
Janet K. Pitman, Alan R. Carroll, editor(s)
1998, Report, Modern and Ancient Lake Systems: New Problems and Perspectives, 1998
Fluid exchange between surficial waters and groundwater, as well as the processes that control this exchange, are of critical concern to water management districts and planners. Digital high-resolution seismic systems were used to collect geophysical data from 30 lakes of north-central Florida. Although using seismic profile data in the past...
Statistical analysis and mathematical modeling of a tracer test on the Santa Clara River, Ventura County, California
Katherine S. Paybins, Tracy Nishikawa, John A. Izbicki, Eric G. Reichard
1998, Water-Resources Investigations Report 97-4275
To better understand flow processes, solute-transport processes, and ground-water/surface-water interactions on the Santa Clara River in Ventura County, California, a 24-hour fluorescent-dye tracer study was performed under steady-state flow conditions on a 28-mile reach of the river. The study reach includes perennial (uppermost and lowermost) subreaches and ephemeral subreaches of the...
Nitrate and pesticide data for waters of the Mid-Atlantic Region
Scott W. Ator
1998, Open-File Report 98-158
Surface-water quality at fixed sites in the Western Lake Michigan Drainages, Wisconsin and Michigan, and the effects of natural and human factors, 1993-95
K.D. Richards, D. J. Sullivan, J.S. Stewart
1998, Water-Resources Investigations Report 97-4208
Streamwater samples were collected from April 1993 through July 1995 at 11 fixed sites in the Western Lake Michigan Drainages Study Unit of the U.S. Geological Survey's National Water-Quality Assessment Program. Water samples were collected monthly at all Fixed Sites, and an additional two to four samples were collected each...
Montana aeromagnetic and gravity maps and data
Anne McCafferty, Viki Bankey, K. C. Brenner
1998, Open-File Report 98-333
No abstract available....
Hydrologic investigation of the Ophir Creek watershed near Yakutat, Alaska
Edward G. Neal
1998, Open-File Report 98-199
Data on streamflow and ground-water levels were collected in the Ophir Creek watershed in southeast Alaska to obtain information about the relations between streamflow, ground-water levels, and precipitation. In addition, the possible effect of an experimental channel excavation to increase flows in Ophir Creek was evaluated. Stream discharges were monitored...
Preliminary geochemical data from Santa Fe Group sediments in the 98th St. drill core, Middle Rio Grande Basin near Albuquerque, New Mexico
M.R. Stanton, D. J. Grimes, R. F. Sanzolone, S.S. Sutley
1998, Open-File Report 98-230
Technique for simulating peak-flow hydrographs in Maryland
Jonathan J.A. Dillow
1998, Water-Resources Investigations Report 97-4279
The efficient design and management of many bridges, culverts, embankments, and flood-protection structures may require the estimation of time-of-inundation and (or) storage of floodwater relating to such structures. These estimates can be made on the basis of information derived from the peak-flow hydrograph. Average peak-flow hydrographs corresponding to a peak...
Water-quality data collected in a coastal marsh, Orleans, Cape Cod, Massachusetts, March 1993 through January 1998
L.A. DeSimone, P.K. Weiskel, B.L. Howes, K.P. Smith
1998, Open-File Report 98-184
