The human footprint in the west: a large-scale analysis of human impacts
Matthias Leu
2003, Fact Sheet 127-03
Background Humans have dramatically altered wildlands in the western United States over the past 100 years by using these lands and the resources they provide. Anthropogenic changes to the landscape, such as urban expansion and development of rural areas, influence the number and kinds of plants and wildlife that remain. In...
Coastal-change and glaciological map of the Bakutis Coast, Antarctica: 1972-2002
Charles Swithinbank, Richard S. Williams Jr., Jane G. Ferrigno, Kevin M. Foley, Christine E. Rosanova
2003, IMAP 2600-F
Changes in the area and volume of the polar ice sheets are intricately linked to changes in global climate, and the resulting changes in sea level may severely impact the densely populated coastal regions on Earth. Loss of the West Antarctic part of the Antarctic ice sheet alone could...
Comprehensive water quality of the Boulder Creek Watershed, Colorado, during high-flow and low-flow conditions, 2000
Sheila F. Murphy, Philip L. Verplanck, Larry B. Barber, editor(s)
2003, Water-Resources Investigations Report 03-4045
Executive SummaryThe Boulder Creek Watershed, Colorado, is 1160 square kilometers in area and ranges in elevation from 1480 to 4120 meters above sea level. Streamflow originates primarily as snowmelt near the Continental Divide, and thus discharge varies seasonally and annually (Chapter 1). Most of the water in Boulder Creek is...
Cartographic services contract...for everything geographic
Water Resources Division, U.S. Geological Survey
2003, Fact Sheet 066-03
The U.S. Geological Survey's (USGS) Cartographic Services Contract (CSC) is used to award work for photogrammetric and mapping services under the umbrella of Architect-Engineer (A&E) contracting. The A&E contract is broad in scope and can accommodate any activity related to standard, nonstandard, graphic, and digital cartographic products. Services provided may...
Geowall: Investigations into low-cost stereo display technologies
Daniel R. Steinwand, Brian Davis, Nathan Weeks
2003, Open-File Report 2003-198
Recently, the combination of new projection technology, fast, low-cost graphics cards, and Linux-powered personal computers has made it possible to provide a stereoprojection and stereoviewing system that is much more affordable than previous commercial solutions. These Geowall systems are low-cost visualization systems built with commodity off-the-shelf components, run on open-source...
Probability of detecting atrazine/desethyl-atrazine and elevated concentrations of nitrate in ground water in Colorado
Michael G. Rupert
2003, Water-Resources Investigations Report 2002-4269
Draft Federal regulations may require that each State develop a State Pesticide Management Plan for the herbicides atrazine, alachlor, metolachlor, and simazine. Maps were developed that the State of Colorado could use to predict the probability of detecting atrazine and desethyl-atrazine (a breakdown product of atrazine) in ground water in...
Geologic map of the Rusalka Planitia Quadrangle (V-25), Venus
Duncan A. Young, Vicki L. Hansen
2003, IMAP 2783
The Rusalka Planitia quadrangle (herein referred to as V-25) occupies an 8.1 million square kilometer swath of lowlands nestled within the eastern highlands of Aphrodite Terra on Venus. The region (25?-0? N., 150?-180? E.) is framed by the crustal plateau Thetis Regio to the southwest, the coronae of the Diana-Dali...
Nutrient, trace-element, and ecological history of Musky Bay, Lac Courte Oreilles, Wisconsin, as inferred from sediment cores
Faith A. Fitzpatrick, Paul J. Garrison, Sharon A. Fitzgerald, John F. Elder
2003, Water-Resources Investigations Report 2002-4225
Sediment cores were collected from Musky Bay, Lac Courte Oreilles, and from surrounding areas in 1999 and 2001 to determine whether the water quality of Musky Bay has declined during the last 100 years or more as a result of human activity, specifically cottage development and cranberry farming. Selected cores...
Flooding Associated with Typhoon Chata'an, July 5, 2002, Guam
Richard A. Fontaine
2003, Fact Sheet 061-03
Introduction On July 5, 2002, starting at about 8 a.m., the southern half of the eye of Typhoon Chata'an passed directly over the northern part of the island of Guam. Data collected on Guam indicate that the typhoon had sustained winds of 85 to 90 miles per hour (mi/hr) with gusts...
Evaluation of candidate rain gages for upgrading precipitation measurement tools for the National Atmospheric Deposition Program
John D. Gordon
2003, Water-Resources Investigations Report 2002-4302
The National Atmospheric Deposition Program (NADP) was established in 1977 to investigate atmospheric deposition and its effects on the environment. Since its establishment, precipitation records have been obtained at all NADP sites using a gage developed approximately 50 years ago-the Belfort 5-780 mechanical rain gage. In 1998 and 1999, a...
Simulations of Flooding on Pea River and Whitewater Creek in the Vicinity of the Proposed Elba Bypass at Elba, Alabama
T. Scott Hedgecock
2003, Water-Resources Investigations Report 2002-4258
A two-dimensional finite-element surface-water model was used to study the effects of proposed modifications to the State Highway 203 corridor (proposed Elba Bypass/relocated U.S. Highway 84) on water-surface elevations and flow distributions during flooding in the Pea River and Whitewater Creek Basins at Elba, Coffee County, Alabama. Flooding was first...
Regional geologic setting of Late Cenozoic lacustrine diatomite deposits, Great Basin and surrounding region: Overview and plans for investigation
Alan R. Wallace
2003, Bulletin 2209-B
Freshwater diatomite deposits are present in all of the Western United States, including the Great Basin and surrounding regions. These deposits are important domestic sources of diatomite, and a better understanding of their formation and geologic settings may aid diatomite exploration and land-use management. Diatomite deposits in the Great Basin are the products...
Potential for saltwater intrusion into the lower Tamiami aquifer near Bonita Springs, southwestern Florida
W. Barclay Shoemaker, K. Michelle Edwards
2003, Water-Resources Investigations Report 2003-4262
A study was conducted to examine the potential for saltwater intrusion into the lower Tamiami aquifer beneath Bonita Springs in southwestern Florida. Field data were collected, and constant- and variable-density ground-water flow simulations were performed that: (1) spatially quantified modern and seasonal stresses, (2) identified potential mechanisms of saltwater intrusion,...
Saturation overland flow estimated from TOPMODEL for the conterminous United States
David M. Wolock
2003, Open-File Report 2003-264
This 5-kilometer resolution raster (grid) dataset for the conterminous United States represents the average percentage of saturation overland flow in total streamflow estimated by the watershed model TOPMODEL. Saturation overland flow is simulated in TOPMODEL as precipitation that falls on saturated land-surface areas and enters the stream channel. TOPMODEL was applied...
User's Manual for the New England Water-Use Data System (NEWUDS)
Marilee A. Horn
2003, Open-File Report 2001-328
Water is used in a variety of ways that need to be understood for effective management of water resources. Water-use activities need to be categorized and included in a database management system to understand current water uses and to provide information to water-resource management policy decisionmakers. The New England Water-Use Data...
Using water-quality profiles to characterize seasonal water quality and loading in the upper Animas River basin, southwestern Colorado
Kenneth J. Leib, M. Alisa Mast, Winfield G. Wright
2003, Water-Resources Investigations Report 2002-4230
One of the important types of information needed to characterize water quality in streams affected by historical mining is the seasonal pattern of toxic trace-metal concentrations and loads. Seasonal patterns in water quality are estimated in this report using a technique called water-quality profiling. Water-quality profiling allows land managers and...
Development of Landscape Models for Conservation of Freshwater Mussels in the Upper Mississippi River Basin
Water Resources Division, U.S. Geological Survey
2003, Fact Sheet 2004-3037
Ground-water resources in the lower Milliken--Sarco--Tulucay Creeks area, southeastern Napa County, California, 2000-2002
Christopher D. Farrar, Loren F. Metzger
2003, Water-Resources Investigations Report 2003-4229
Ground water obtained from individual private wells is the sole source of water for about 4,800 residents living in the lower Milliken-Sarco-Tulucay Creeks area of southeastern Napa County. Increases in population and in irrigated vineyards during the past few decades have increased water demand. Estimated ground-water pumpage in 2000 was...
Sequence-Stratigraphic Analysis of the Regional Observation Monitoring Program (ROMP) 29A Test Corehole and Its Relation to Carbonate Porosity and Regional Transmissivity in the Floridan Aquifer System, Highlands County, Florida
W. C. Ward, K.J. Cunningham, R.A. Renken, M.A. Wacker, J.I. Carlson
2003, Open-File Report 2003-201
An analysis was made to describe and interpret the lithology of a part of the Upper Floridan aquifer penetrated by the Regional Observation Monitoring Program (ROMP) 29A test corehole in Highlands County, Florida. This information was integrated into a one-dimensional hydrostratigraphic model that delineates candidate flow zones and confining units...
Channel stability and water quality of the Alagnak River, southwestern Alaska
Janet H. Curran
2003, Water-Resources Investigations Report 2002-4184
The Alagnak River, a National Wild River located in southwestern Alaska, drains an area of 3,600 square kilometers and is used for recreational and subsistence activities, primarily angling, camping, rafting, and hunting by visitors and seasonal residents, and for commercial guiding by several lodges. Increases in visitor use in the...
Simulation of the shallow aquifer in the vicinity of Silver Lake, Washington County, Wisconsin, using analytic elements
C. P. Dunning, Judith Coffman Thomas, Yu-Feng Lin
2003, Water-Resources Investigations Report 2002-4204
Shallow ground-water flow in the vicinity of Silver Lake, Washington County, Wisconsin, was investigated to develop an understanding of the hydrology of the shallow aquifer, define a water balance for the lake, delineate ground-water recharge areas for the lake, and to estimate solute flux toward the lake. A single-layer, steady-state,...
Alternative Sources of Energy - An Introduction to Fuel Cells
E.A. Merewether
2003, Bulletin 2179
Fuel cells are important future sources of electrical power and could contribute to a reduction in the amount of petroleum imported by the United States. They are electrochemical devices similar to a battery and consist of a container, an anode, a cathode, catalysts, an intervening electrolyte, and an attached electrical circuit. In...
Simulation of ground-water flow and rainfall runoff with emphasis on the effects of land cover, Whittlesey Creek, Bayfield County, Wisconsin, 1999-2001
Bernard N. Lenz, David A. Saad, Faith A. Fitzpatrick
2003, Water-Resources Investigations Report 2003-4130
The effects of land cover on flooding and base-flow characteristics of Whittlesey Creek, Bayfield County, Wis., were examined in a study that involved ground-water-flow and rainfall-runoff modeling. Field data were collected during 1999-2001 for synoptic base flow, streambed head and temperature, precipitation, continuous streamflow and stream stage, and other physical...
Fate and Transport Modeling of Selected Chlorinated Organic Compounds at Hangar 1000, U.S. Naval Air Station, Jacksonville, Florida
J. Hal Davis
2003, Water-Resources Investigations Report 2003-4089
The Jacksonville Naval Air Station occupies 3,800 acres adjacent to the St. Johns River in Jacksonville, Florida. Two underground storage tanks at Hangar 1000 contained solvents from the late 1960s until they were removed in 1994. Ground-water samples at one of the tank sites had levels of trichloroethene (TCE) and...
ERF1_2 -- Enhanced River Reach File 2.0
Jacqueline V. Nolan, John W. Brakebill, Richard B. Alexander, Gregory E. Schwarz
2003, Open-File Report 2002-40
The digital segmented network based on watershed boundaries, ERF1_2, includes enhancements to the U.S. Environmental Protection Agency's River Reach File 1 (RF1) (USEPA, 1996; DeWald and others, 1985) to support national and regional-scale surface water-quality modeling. Alexander and others (1999) developed ERF1, which assessed the hydrologic integrity of the...
