Ground-water flow direction, water quality, recharge sources, and age, Great Sand Dunes National Monument, south-central Colorado
Michael G. Rupert, Niel Plummer
2004, Scientific Investigations Report 2004-5027
Great Sand Dunes National Monument is located in south-central Colorado along the eastern edge of the San Luis Valley. The Great Sand Dunes National Monument contains the tallest sand dunes in North America; some rise up to750 feet. Important ecological features of the Great Sand Dunes National Monument are palustrine...
Simulation of ground-water flow in the Cedar River alluvial aquifer flow system, Cedar Rapids, Iowa
Michael J. Turco, Robert C. Buchmiller
2004, Scientific Investigations Report 2004-5130
The Cedar River alluvial aquifer is the primary source of municipal water in the Cedar Rapids, Iowa, area. Since 1992, the U.S. Geological Survey, in cooperation with the City of Cedar Rapids, has investigated the hydrogeology and water quality of the Cedar River alluvial aquifer. This report describes a detailed...
Data from channel-change monitoring at selected sites in Maricopa County, Arizona, 1997-2002
Christine M. O’Day
2004, Open-File Report 2004-1230
Stream channels in arid regions are subject to a wide range of hydrologic, hydraulic, and sedimentary conditions. These channels often are dry or have little streamflow most of the time, and the few flows that do occur can cause substantial changes to the channel and flood plain. Because floods in...
Vertical gradients in water chemistry and age in the southern High Plains Aquifer, Texas, 2002
P.B. McMahon, J.K. Böhlke, T.M. Lehman
2004, Scientific Investigations Report 2004-5053
The southern High Plains aquifer is the primary source of water used for domestic, industrial, and irrigation purposes in parts of New Mexico and Texas. Despite the aquifer's importance to the overall economy of the southern High Plains, fundamental ground-water characteristics, such as vertical gradients in water chemistry and age,...
Water use, ground-water recharge and availability, and quality of water in the Greenwich area, Fairfield County, Connecticut and Westchester County, New York, 2000-2002
John R. Mullaney
2004, Water-Resources Investigations Report 2003-4300
Ground-water budgets were developed for 32 small basin-based zones in the Greenwich area of southwestern Connecticut, where crystalline-bedrock aquifers supply private wells, to determine the status of residential ground-water consumption relative to rates of ground-water recharge and discharge. Estimated residential ground-water withdrawals for small basins (averaging 1.7 square miles (mi2))...
Trends in streamflow and comparisons with instream flows in the lower Puyallup River basin, Washington
Steve S. Sumioka
2004, Scientific Investigations Report 2004-5016
The Puyallup Tribe of Indians is interested in better understanding the water resources of the lower Puyallup River Basin in order to ensure sufficient water to meet Tribal and hatchery needs and make future water-resource decisions. The U.S. Geological Survey, in cooperation with the Puyallup Tribe, conducted a study to...
Hydrologic and geochemical evaluation of aquifer storage recovery in the Santee Limestone/Black Mingo Aquifer, Charleston, South Carolina, 1998-2002
Matthew D. Petkewich, David L. Parkhurst, Kevin J. Conlon, Bruce G. Campbell, June E. Mirecki
2004, Scientific Investigations Report 2004-5046
The hydrologic and geochemical effects of aquifer storage recovery were evaluated to determine the potential for supplying the city of Charleston, South Carolina, with large quantities of potable water during emergencies, such as earthquakes, hurricanes, or hard freezes. An aquifer storage recovery system, including a production well and three observation...
Regional water table (2002) and water-level changes in the Mojave River and Morongo ground-water basins, southwestern Mojave Desert, California
Gregory A. Smith, Christina L. Stamos, Steven K. Predmore
2004, Scientific Investigations Report 2004-5081
The Mojave River and Morongo ground-water basins are in the southwestern part of the Mojave Desert in southern California. Ground water from these basins supplies a major part of the water requirements for the region. The continuous population growth in this area has resulted in ever-increasing demands on local ground-water...
Modeling Streamflow and Water Temperature in the North Santiam and Santiam Rivers, Oregon, 2001-02
Annett B. Sullivan, Stewart A. Roundsk
2004, Scientific Investigations Report 2004-5001
To support the development of a total maximum daily load (TMDL) for water temperature in the Willamette Basin, the laterally averaged, two-dimensional model CE-QUAL-W2 was used to construct a water temperature and streamflow model of the Santiam and North Santiam Rivers. The rivers were simulated from downstream of Detroit and...
Investigation of hydroacoustic flow-monitoring alternatives at the Sacramento River at Freeport, California: results of the 2002-2004 pilot study
Catherine A. Ruhl, James B. DeRose
2004, Scientific Investigations Report 2004-5172
The Sacramento River at Freeport is a tidally affected channel approximately 620 feet wide located at the northern boundary of the Sacramento?San Joaquin River Delta, California. In 1978, an acoustic velocity meter was installed at Freeport to monitor the flow. The acoustic velocity meter was calibrated successfully and has been...
Microbial and Dissolved Organic Carbon Characterization of Stormflow in the Santa Ana River at Imperial Highway, Southern California, 1999-2002
John A. Izbicki, M. Isabel Pimentel, Menu Leddy, Brian A. Bergamaschi
2004, Scientific Investigations Report 2004-5116
The Santa Ana River drains about 2,670 square miles of densely populated coastal southern California, near Los Angeles. Almost all the flow in the river, more than 200,000 acre-feet annually, is diverted to ponds where it infiltrates and recharges underlying aquifers pumped to supply water for more than 2 million...
Regional ground-water-flow models of surficial sand and gravel aquifers along the Mississippi River between Brainerd and St. Cloud, central Minnesota
J. F. Ruhl, T.K. Cowdery
2004, Scientific Investigations Report 2004-5087
This report documents regional ground-waterflow models constructed by the U.S. Geological Survey in cooperation with the Minnesota Department of Health (MDH) to satisfy the requirements of their Source Water Protection Plan (SWPP). Steady-state single-layer ground-water-flow models were constructed with the computer program MODFLOW to simulate flow in surficial sand and...
Chemical Data for Detailed Studies of Irrigation Drainage in the Salton Sea Area, California, 1995?2001
Roy A. Schroeder
2004, Scientific Investigations Report 2004-5036
The primary purpose of this report is to present all chemical data from the Salton Sea area collected by the U.S. Geological Survey between 1995 and 2001. The data were collected primarily for the Department of the Interior's National Irrigation Water Quality Program (NIWQP). The report also contains a brief...
Water Quality and Streamflow of the Indian River, Sitka, Alaska, 2001-02
Edward J. Neal, Timothy P. Brabets, Steven A. Frenzel
2004, Scientific Investigations Report 2004-5023
The Indian River Basin, located near Sitka Alaska, drains an area of 12.3 square miles. This watershed is an important natural resource of Sitka National Historic Park. At the present time, the watershed faces possible development on large tracts of private land upstream of the park that could affect the...
Methods to Identify Changes in Background Water-Quality Conditions Using Dissolved-Solids Concentrations and Loads as Indicators, Arkansas River and Fountain Creek, in the Vicinity of Pueblo, Colorado
Roderick F. Ortiz
2004, Scientific Investigations Report 2004-5024
Effective management of existing water-storage capacity in the Arkansas River Basin is anticipated to help satisfy the need for water in southeastern Colorado. A strategy to meet these needs has been developed, but implementation could affect the water quality of the Arkansas River and Fountain Creek in the vicinity of...
Geologic map of the Hasty Quadrangle, Boone and Newton Counties, Arkansas
Mark R. Hudson, Kyle E. Murray
2004, Scientific Investigations Map 2847
This digital geologic map compilation presents new polygon (for example, geologic map unit contacts), line (for example, fault, fold axis, and structure contour), and point (for example, structural attitude, contact elevations) vector data for the Hasty 7.5-minute quadrangle in northern Arkansas. The map database, which is at 1:24,000-scale resolution,...
Estimating the Magnitude and Frequency of Floods in Small Urban Streams in South Carolina, 2001
Toby D. Feaster, Wladimir B. Guimaraes
2004, Scientific Investigations Report 2004-5030
The magnitude and frequency of floods at 20 streamflowgaging stations on small, unregulated urban streams in or near South Carolina were estimated by fitting the measured wateryear peak flows to a log-Pearson Type-III distribution. The period of record (through September 30, 2001) for the measured water-year peak flows ranged from...
Ground-water and surface-water flow and estimated water budget for Lake Seminole, southwestern Georgia and northwestern Florida
Melinda S. Dalton, Brent T. Aulenbach, Lynn J. Torak
2004, Scientific Investigations Report 2004-5073
Lake Seminole is a 37,600-acre impoundment formed at the confluence of the Flint and Chattahoochee Rivers along the Georgia?Florida State line. Outflow from Lake Seminole through Jim Woodruff Lock and Dam provides headwater to the Apalachicola River, which is a major supply of freshwater, nutrients, and detritus to ecosystems downstream....
Evaluation of Methods Used for Estimating Selected Streamflow Statistics, and Flood Frequency and Magnitude, for Small Basins in North Coastal California
Michael P. Mann, Jule Rizzardo, Richard Satkowski
2004, Scientific Investigations Report 2004-5068
Accurate streamflow statistics are essential to water resource agencies involved in both science and decision-making. When long-term streamflow data are lacking at a site, estimation techniques are often employed to generate streamflow statistics. However, procedures for accurately estimating streamflow statistics often are lacking. When estimation procedures are developed, they often...
Assigning boundary conditions to the Southern Inland and Coastal Systems (SICS) model using results from the South Florida Water Management Model (SFWMM)
Melinda A. Wolfert, Christian D. Langevin, Eric D. Swain
2004, Open-File Report 2004-1195
The Comprehensive Everglades Restoration Plan (CERP) requires the testing and evaluation of different water-management scenarios for southern Florida. As part of CERP, the South Florida Water Management District is using its regional hydrologic model, the South Florida Water Management Model (SFWMM), to evaluate different hydrologic scenarios. The SFWMM was designed...
Distribution of Holocene Sediment in Chesapeake Bay as Interpreted from Submarine Geomorphology of the Submerged Landforms, Selected Core Holes, Bridge Borings and Seismic Profiles
Wayne L. Newell, Inga E. Clark, Owen Bricker
2004, Open-File Report 2004-1235
Overview -- We have interpreted the geomorphology of the submerged landforms to show thick Holocene sediment that accumulated from three different sources during on-going sea level rise that began 10,000 - 12,000 years ago at the end of Pleistocene. We used a variety of subsurface data from the literature...
Application of Acoustic and Optic Methods for Estimating Suspended-Solids Concentrations in the St. Lucie River Estuary, Florida
Eduardo Patino, Michael J. Byrne
2004, Scientific Investigations Report 2004-5028
Acoustic and optic methods were applied to estimate suspended-solids concentrations in the St. Lucie River Estuary, southeastern Florida. Acoustic Doppler velocity meters were installed at the North Fork, Speedy Point, and Steele Point sites within the estuary. These sites provide varying flow, salinity, water-quality, and channel cross-sectional characteristics. The monitoring...
Hydrogeology and ground-water-flow simulation in the former airfield area of Naval Support Activity Mid-South, Millington, Tennessee
Connor J. Haugh, John K. Carmichael, David E. Ladd
2004, Scientific Investigations Report 2004-5040
Naval Support Activity Mid-South is a Department of the Navy base located in Millington, Tennessee. The facility was home to the Naval Aviation Technical Training Center from 1943 until 1996. As part of the Base Closure and Realignment Act of 1990, the primary training mission of the facility was realigned...
Geologic Map of the Woodland Quadrangle, Clark and Cowlitz Counties, Washington
Russell C. Evarts
2004, Scientific Investigations Map 2827
The Woodland 7.5' quadrangle is situated in the Puget-Willamette Lowland approximately 50 km north of Portland, Oregon (fig. 1). The lowland, which extends from Puget Sound into west-central Oregon, is a complex structural and topographic trough that lies between the Coast Range and the Cascade Range. Since late Eocene time,...
Geologic Map of the Saint Helens Quadrangle, Columbia County, Oregon, and Clark and Cowlitz Counties, Washington
Russell C. Evarts
2004, Scientific Investigations Map 2834
The Saint Helens 7.5' quadrangle is situated in the Puget-Willamette Lowland approximately 35 km north Portland, Oregon. The lowland, which extends from Puget Sound into west-central Oregon, is a complex structural and topographic trough that lies between the Coast Range and the Cascade Range. Since late Eocene time, Cascade Range...
