Opportunities and Needs for Mobile-Computing Technology to Support U.S. Geological Survey Fieldwork
Nathan J. Wood, David L. Halsing
2006, Circular 1299
To assess the opportunities and needs for mobile-computing technology at the U.S. Geological Survey (USGS), we conducted an internal, Internet-based survey of bureau scientists whose research includes fieldwork. In summer 2005, 144 survey participants answered 65 questions about fieldwork activities and conditions, technology to support field research, and postfieldwork data...
Phosphorus Concentrations, Loads, and Yields in the Illinois River Basin, Arkansas and Oklahoma, 2000-2004
Robert L. Tortorelli, Barbara E. Pickup
2006, Scientific Investigations Report 2006-5175
The Illinois River and tributaries, Flint Creek and Baron Fork, are designated scenic rivers in Oklahoma. Recent phosphorus levels in streams in the basin have resulted in the growth of excess algae, which have limited the aesthetic benefits of water bodies in the basin, especially the Illinois River and Lake...
Physical and Chemical Water-Quality Data from Automatic Profiling Systems, Boulder Basin, Lake Mead, Arizona and Nevada, Water Years 2001-04
Ryan C. Rowland, Craig L. Westenburg, Ronald J. Veley, Walter E. Nylund
2006, Open-File Report 2006-1284
Water-quality profile data were collected in Las Vegas Bay and near Sentinel Island in Lake Mead, Arizona and Nevada, from October 2000 to September 2004. The majority of the profiles were completed with automatic variable-buoyancy systems equipped with multiparameter water-quality sondes. Profile data near Sentinel Island were collected in August...
Influence of In-Well Convection on Well Sampling
Don A. Vroblesky, Clifton C. Casey, Mark A. Lowery
2006, Scientific Investigations Report 2006-5247
Convective transport of dissolved oxygen (DO) from shallow to deeper parts of wells was observed as the shallow water in wells in South Carolina became cooler than the deeper water in the wells due to seasonal changes. Wells having a relatively small depth to water were more susceptible to thermally...
USGS Information Technology Strategic Plan: Fiscal Years 2007-2011
Water Resources Division, U.S. Geological Survey
2006, Circular 1304
Introduction: The acquisition, management, communication, and long-term stewardship of natural science data, information, and knowledge are fundamental mission responsibilities of the U.S. Geological Survey (USGS). USGS scientists collect, maintain, and exchange raw scientific data and interpret and analyze it to produce a wide variety of science-based products. Managers throughout the...
Digital data set of orchards where arsenical pesticides were likely used in Clark and Frederick Counties, Virginia, and Berkeley and Jefferson Counties, West Virginia
Bradley W. Reed, Peter Larkins, Gilpin R. Robinson Jr.
2006, Open-File Report 2006-1330
This data set shows orchard locations in Clarke and Frederick Counties, Virginia, and Berkeley and Jefferson Counties, West Virginia where arsenical pesticides have likely been used. The orchard locations (fig. 1) were compiled from aerial photos and topographic maps for the time period of extensive use of arsenical pesticides between...
Water Quality and Algal Data for the North Umpqua River Basin, Oregon, 2005
Dwight Q. Tanner, Andrew J. Arnsberg, Chauncey W. Anderson, Kurt D. Carpenter
2006, Data Series 229
The upper North Umpqua River Basin has experienced a variety of water-quality problems since at least the early 1990's. Several reaches of the North Umpqua River are listed as water-quality limited under section 303(d) of the Clean Water Act. Diamond Lake, a eutrophic lake that is an important source of...
Geographic Information System Software to Enhance Field-Data Collection and Management of Land Cover Trends Information
Nathan Wood, Benjamin Sleeter, Peter Ng
2006, Techniques and Methods 11-C1
Digital data set of orchards where arsenical pesticides were likely used in Clark and Frederick Counties, Virginia, and Berkeley and Jefferson Counties, West Virginia
Bradley W. Reed, Peter Larkins, Gilpin R. Robinson Jr.
2006, Fact Sheet 2006-3134
This Fact Sheet provides information on a digital data set that identifies orchard areas under cultivation between the 1920s and 1960s in Clarke and Frederick Counties, Virginia and Berkeley and Jefferson Counties, West Virginia. The apple orchards in these areas likely used arsenical pesticides during this time. The digital data...
Land-Cover and Imperviousness Data for Regional Areas near Denver, Colorado; Dallas-Fort Worth, Texas; and Milwaukee-Green Bay, Wisconsin - 2001
James A. Falcone, Daniel K. Pearson
2006, Data Series 221
This report describes the processing and results of land-cover and impervious surface derivation for parts of three metropolitan areas being studied as part of the U.S. Geological Survey's (USGS) National Water-Quality Assessment (NAWQA) Program Effects of Urbanization on Stream Ecosystems (EUSE). The data were derived primarily from Landsat-7 Enhanced Thematic...
Preliminary integrated geologic map databases for the United States: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, Rhode Island and Vermont
Suzanne W. Nicholson, Connie L. Dicken, John D. Horton, Michael P. Foose, Julia A. L. Mueller, Rudi Hon
2006, Open-File Report 2006-1272
The rapid growth in the use of Geographic Information Systems (GIS) has highlighted the need for regional and national scale digital geologic maps that have standardized information about geologic age and lithology. Such maps can be conveniently used to generate derivative maps for manifold special purposes such as mineral-resource assessment,...
Alaska resource data file: Point Lay quadrangle, Alaska
Donald J. Grybeck
2006, Open-File Report 2006-1156
This report gives descriptions of the mineral occurrences in the Point Lay 1:250,000-scale quadrangle, Alaska. The data presented here are maintained as part of a statewide database on mines, prospects and mineral occurrences throughout Alaska....
Ground-water hydrology and water quality of the Southern High Plains Aquifer, Cannon Air Force Base, Curry County, New Mexico, 1994-2005
Jeff B. Langman, Sarah E. Falk, Fredrick E. Gebhardt, Paul J. Blanchard
2006, Scientific Investigations Report 2006-5280
In cooperation with the U.S. Air Force, the U.S. Geological Survey has collected hydrologic data about the Southern High Plains aquifer at Cannon Air Force Base in east-central New Mexico since 1994. Under the guidance of the State of New Mexico, ground-water quality of the aquifer has been analyzed as...
Nevada Magnetic and Gravity Maps and Data: A Website for the Distribution of Data
Robert P. Kucks, Patricia L. Hill, David A. Ponce
2006, Data Series 234
Aqueous geochemical data from the analysis of stream-water samples collected in June and July 2005 — Taylor Mountains 1:250,000 scale quadrangle, Alaska
Bronwen Wang, Seth Mueller, Sarah Stetson, Elizabeth Bailey, Greg Lee
2006, Open-File Report 2006-1361
We report on the chemical analysis of water samples collected from the Taylor Mountains 1:250,000-scale quadrangle. Parameters for which data are reported include pH, conductivity, water temperature, major cation and anion concentrations, trace-element concentrations, and dissolved organic-carbon concentrations. Samples were collected as part of a multiyear U.S. Geological Survey project...
Major- and Trace-Element Concentrations in Rock Samples Collected in 2005 from the Taylor Mountains 1:250,000-scale Quadrangle, Alaska
Edward P. Klimasauskas, Marti L. Miller, Dwight Bradley, Tom K. Bundtzen, Travis L. Hudson
2006, Open-File Report 2006-1306
The data consist of major- and minor-element concentrations for rock samples collected during 2005 by the U.S. Geological Survey. Samples were analyzed by fire assay (Au, Pd, Pt), cold vapor atomic absorption spectroscopy (Hg), and the inductively coupled plasma mass spectrometry (ICPMS) 10 and 42 element methods. For details of...
A Century of Retreat at Portage Glacier, South-Central Alaska
Ben W. Kennedy, Dennis C. Trabant, Lawrence R. Mayo
2006, Fact Sheet 2006-3141
Introduction: The Portage Glacier, in south-central Alaska, is viewed by thousands of visitors annually who come to the U.S. Forest Service Begich, Boggs Visitor Center located on the road system between Anchorage and Whittier, Alaska. During the past century, the terminus of the glacier has retreated nearly 5 kilometers to...
Watershed Data Management (WDM) Database for Salt Creek Streamflow Simulation, DuPage County, Illinois
Elizabeth A. Murphy, Audrey L. Ishii
2006, Open-File Report 2006-1248
The U.S. Geological Survey (USGS), in cooperation with DuPage County Department of Engineering, Stormwater Management Division, maintains a database of hourly meteorologic and hydrologic data for use in a near real-time streamflow simulation system, which assists in the management and operation of reservoirs and other flood-control structures in the Salt...
Water-Quality Data for Selected National Park Units within the Southern Colorado Plateau Network, Arizona, Utah, Colorado, and New Mexico, Water Years 2005 and 2006
Jamie P. Macy, Stephen A. Monroe
2006, Open-File Report 2006-1300
The National Park Service initiated a Level 1 Water-Quality Inventory program to provide water-quality data to park managers so informed natural resource management decisions could be made. Level 1 water-quality data were collected by the U.S. Geological Survey Arizona Water Science Center at 57 sites in 13 National Park units...
Development of a Precipitation-Runoff Model to Simulate Unregulated Streamflow in the Salmon Creek Basin, Okanogan County, Washington
Marijke van Heeswijk
2006, Scientific Investigations Report 2006-5274
Surface water has been diverted from the Salmon Creek Basin for irrigation purposes since the early 1900s, when the Bureau of Reclamation built the Okanogan Project. Spring snowmelt runoff is stored in two reservoirs, Conconully Reservoir and Salmon Lake Reservoir, and gradually released during the growing season. As a result...
The National Volcano Early Warning System (NVEWS)
John Ewert, Marianne Guffanti, Peter Cervelli, James Quick
2006, Fact Sheet 2006-3142
The National Volcano Early Warning System (NVEWS) is a proposed national-scale effort by the U.S. Geological Survey (USGS) Volcano Hazards Program and its affiliated partners in the Consortium of U.S. Volcano Observatories (CUSVO) (http://www.cusvo.org) to ensure that volcanoes are monitored at a level commensurate with the threats...
Geologic Map of the Mylitta Fluctus Quadrangle (V-61), Venus
Mikhail A. Ivanov, James W. Head III
2006, Scientific Investigations Map 2920
INTRODUCTION The Magellan Mission The Magellan spacecraft orbited Venus from August 10, 1990, until it plunged into the Venusian atmosphere on October 12, 1994. Magellan Mission objectives included: (1) improving knowledge of the geological processes, surface properties, and geologic history of Venus by analysis of surface radar characteristics, topography, and morphology, and...
A revised logistic regression equation and an automated procedure for mapping the probability of a stream flowing perennially in Massachusetts
Gardner C. Bent, Peter A. Steeves
2006, Scientific Investigations Report 2006-5031
A revised logistic regression equation and an automated procedure were developed for mapping the probability of a stream flowing perennially in Massachusetts. The equation provides city and town conservation commissions and the Massachusetts Department of Environmental Protection a method for assessing whether streams are intermittent or perennial at a specific...
Archive of digital boomer seismic reflection data collected during USGS field activities 95LCA03 and 96LCA02 in the Peace River of West-Central Florida, 1995 and 1996
Karynna Calderon, Shawn V. Dadisman, Ann B. Tihansky, Bill R. Lewelling, James G. Flocks, Dana S. Wiese, Jack L. Kindinger, Arnell S. Harrison
2006, Data Series 217
In October and November of 1995 and February of 1996, the U.S. Geological Survey, in cooperation with the Southwest Florida Water Management District, conducted geophysical surveys of the Peace River in west-central Florida from east of Bartow to west of Arcadia. This report serves as an archive of unprocessed digital...
Digital data from the Leadville/Buena Vista aeromagnetic survey covering parts of Chaffee, Eagle, Lake, Park, and Summit Counties, Colorado
Viki Bankey, Goldak Airborne Surveys
2006, Open-File Report 2006-1327
