Karst in the United States: A digital map compilation and database
David J. Weary, Daniel H. Doctor
2014, Open-File Report 2014-1156
This report describes new digital maps delineating areas of the United States, including Puerto Rico and the U.S. Virgin Islands, having karst or the potential for development of karst and pseudokarst. These maps show areas underlain by soluble rocks and also by volcanic rocks, sedimentary deposits, and permafrost that have...
Preliminary simulation of chloride transport in the Equus Beds aquifer and simulated effects of well pumping and artificial recharge on groundwater flow and chloride transport near the city of Wichita, Kansas, 1990 through 2008
Brian J. Klager, Brian P. Kelly, Andrew C. Ziegler
2014, Open-File Report 2014-1162
The Equus Beds aquifer in south-central Kansas is a primary water-supply source for the city of Wichita. Water-level declines because of groundwater pumping for municipal and irrigation needs as well as sporadic drought conditions have caused concern about the adequacy of the Equus Beds aquifer as a future water supply...
Updated estimates of long-term average dissolved-solids loading in streams and rivers of the Upper Colorado River Basin
Fred D. Tillman, David W. Anning
2014, Open-File Report 2014-1148
The Colorado River and its tributaries supply water to more than 35 million people in the United States and 3 million people in Mexico, irrigating over 4.5 million acres of farmland, and annually generating about 12 billion kilowatt hours of hydroelectric power. The Upper Colorado River Basin, part of the...
Simulation of groundwater flow in the Edwards-Trinity and related aquifers in the Pecos County region, Texas
Jonathan V. Thomas
2014, Fact Sheet 2014-3029
The Edwards-Trinity aquifer, a major aquifer in the Pecos County region of western Texas, is a vital groundwater resource for agricultural, industrial, and public supply uses. Resource managers would like to better understand the future availability of water in the Edwards-Trinity aquifer in the Pecos County region and the effects...
A multiphased approach to groundwater investigations for the Edwards-Trinity and related aquifers in the Pecos County region, Texas
Jonathan V. Thomas
2014, Fact Sheet 2014-3025
The Edwards-Trinity aquifer is a vital groundwater resource for agricultural, industrial, and public supply uses in the Pecos County region of western Texas. Resource managers would like to understand the future availability of water in the Edwards-Trinity aquifer in the Pecos County region and the effects of the possible increase...
Report of the River Master of the Delaware River for the period December 1, 2007-November 30, 2008
Bruce E. Krejmas, Gary N. Paulachok, Stephen F. Blanchard
2014, Open-File Report 2014-1111
A Decree of the Supreme Court of the United States, entered June 7, 1954, established the position of Delaware River Master within the U.S. Geological Survey (USGS). In addition, the Decree authorizes diversions of water from the Delaware River Basin and requires compensating releases from certain reservoirs, owned by New...
Estimation of methane concentrations and loads in groundwater discharge to Sugar Run, Lycoming County, Pennsylvania
Victor M. Heilweil, Dennis W. Risser, Randall W. Conger, Paul L. Grieve, Scott A. Hynek
2014, Open-File Report 2014-1126
A stream-sampling study was conducted to estimate methane concentrations and loads in groundwater discharge to a small stream in an active shale-gas development area of northeastern Pennsylvania. Grab samples collected from 15 streams in Bradford, Lycoming, Susquehanna, and Tioga Counties, Pa., during a reconnaissance survey in May and June 2013...
Platinum-group elements: So many excellent properties
Michael L. Zientek, Patricia J. Loferski
2014, Fact Sheet 2014-3064
The platinum-group elements (PGE) include platinum, palladium, rhodium, ruthenium, iridium, and osmium. These metals have similar physical and chemical properties and occur together in nature. The properties of PGE, such as high melting points, corrosion resistance, and catalytic qualities, make them indispensable to many industrial applications. PGE are strategic and...
Mesohabitats, fish assemblage composition, and mesohabitat use of the Rio Grande silvery minnow over a range of seasonal flow regimes in the Rio Grande/Rio Bravo del Norte, in and near Big Bend National Park, Texas, 2010-11
J. Bruce Moring, Christopher L. Braun, Daniel K. Pearson
2014, Scientific Investigations Report 2013-5210
In 2010–11, the U.S. Geological Survey (USGS), in cooperation with the U.S. Fish and Wildlife Service, evaluated the physical characteristics and fish assemblage composition of mapped river mesohabitats at four sites on the Rio Grande/Rio Bravo del Norte (hereinafter Rio Grande) in and near Big Bend National Park, Texas. The...
Bathymetric and velocimetric surveys at highway bridges crossing the Missouri River between Kansas City and St. Louis, Missouri, April-May, 2013
Richard J. Huizinga
2014, Scientific Investigations Report 2014-5116
Bathymetric and velocimetric data were collected by the U.S. Geological Survey, in cooperation with the Missouri Department of Transportation, in the vicinity of 10 bridges at 9 highway crossings of the Missouri River between Lexington and Washington, Missouri, from April 22 through May 2, 2013. A multibeam echosounder mapping system...
Geospatial database of estimates of groundwater discharge to streams in the Upper Colorado River Basin
Adriana Garcia, Melissa D. Masbruch, David D. Susong
2014, Data Series 851
The U.S. Geological Survey, as part of the Department of the Interior’s WaterSMART (Sustain and Manage America’s Resources for Tomorrow) initiative, compiled published estimates of groundwater discharge to streams in the Upper Colorado River Basin as a geospatial database. For the purpose of this report, groundwater discharge to streams is...
Geohydrologic and water-quality data in the vicinity of the Rialto-Colton Fault, San Bernardino, California
Nicholas F. Teague, Anthony A. Brown, Linda R. Woolfenden
2014, Data Series 813
The Rialto-Colton Basin is in western San Bernardino County, about 60 miles east of Los Angeles, California. The basin is bounded by faults on the northeast and southwest sides and contains multiple barriers to groundwater flow. The structural geology of the basin leads to complex hydrology. Between 2001 and 2008,...
Preliminary geochemical assessment of water in selected streams, springs, and caves in the Upper Baker and Snake Creek drainages in Great Basin National Park, Nevada, 2009
Angela P. Paul, Carl E. Thodal, Gretchen M. Baker, Michael S. Lico, David E. Prudic
2014, Scientific Investigations Report 2014-5108
Water in caves, discharging from springs, and flowing in streams in the upper Baker and Snake Creek drainages are important natural resources in Great Basin National Park, Nevada. Water and rock samples were collected from 15 sites during February 2009 as part of a series of investigations evaluating the potential...
Hydrogeologic framework and groundwater/surface-water interactions of the upper Yakima River Basin, Kittitas County, central Washington
Andrew S. Gendaszek, D. Matthew Ely, Stephen R. Hinkle, Sue C. Kahle, Wendy B. Welch
2014, Scientific Investigations Report 2014-5119
The hydrogeology, hydrology, and geochemistry of groundwater and surface water in the upper (western) 860 square miles of the Yakima River Basin in Kittitas County, Washington, were studied to evaluate the groundwater-flow system, occurrence and availability of groundwater, and the extent of groundwater/surface-water interactions. The study area ranged in altitude...
Analysis of potential water-supply management options, 2010-60, and documentation of revisions to the model of the Irwin Basin Aquifer System, Fort Irwin National Training Center, California
Lois M. Voronin, Jill N. Densmore, Peter Martin
2014, Scientific Investigations Report 2014-5081
The Fort Irwin National Training Center is considering several alternatives to manage their limited water-supply sources in the Irwin Basin. An existing three-dimensional, finite-difference groundwater-flow model—the U.S. Geological Survey’s MODFLOW—of the aquifer system in the basin was updated and the initial input dataset was supplemented with groundwater withdrawal data for...
Streamflow statistics for unregulated and regulated conditions for selected locations on the Upper Yellowstone and Bighorn Rivers, Montana and Wyoming, 1928-2002
Katherine J. Chase
2014, Scientific Investigations Report 2014-5115
Major floods in 1996 and 1997 intensified public debate about the effects of human activities on the Yellowstone River. In 1999, the Yellowstone River Conservation District Council was formed to address conservation issues on the river. The Yellowstone River Conservation District Council partnered with the U.S. Army Corps of Engineers...
Geomorphic change on the Missouri River during the flood of 2011
Edward R. Schenk, Katherine J. Skalak, Adam J. Benthem, Benjamin J. Dietsch, Brenda K. Woodward, Gregg J. Wiche, Joel M. Galloway, Rochelle A. Nustad, Cliff R. Hupp
2014, Professional Paper 1798-I
The 2011 flood on the Missouri River was one of the largest floods since the river became regulated by a series of high dams in the mid-20th century (greater than 150,000 cubic feet per second during the peak). The flood persisted through most of the summer, eroding river banks, adding...
Modeled sulfate concentrations in North Dakota streams, 1993-2008, based on spatial basin characteristics
Joel M. Galloway, Aldo V. Vecchia
2014, Scientific Investigations Report 2014-5092
Sulfate concentration data collected from North Dakota streams during recent (1993–2008) years indicates generally higher sulfate concentrations across much of the State compared to concentrations during earlier years. The higher sulfate concentrations have been attributed in other studies to wetter climatic conditions, associated increases in contributing drainage areas, and rising...
Users' guide to system dynamics model describing Coho salmon survival in Olema Creek, Point Reyes National Seashore, Marin County, California
Andrea Woodward, Alicia A. Torregrosa, Mary Ann Madej, Michael Reichmuth, Darren Fong
2014, Open-File Report 2014-1131
The system dynamics model described in this report is the result of a collaboration between U.S. Geological Survey (USGS) scientists and National Park Service (NPS) San Francisco Bay Area Network (SFAN) staff, whose goal was to develop a methodology to integrate inventory and monitoring data to better understand ecosystem dynamics...
Scaling up watershed model parameters: flow and load simulations of the Edisto River Basin, South Carolina, 2007-09
Toby D. Feaster, Stephen T. Benedict, Jimmy M. Clark, Paul M. Bradley, Paul Conrads
2014, Scientific Investigations Report 2014-5104
As part of an ongoing effort by the U.S. Geological Survey to expand the understanding of relations among hydrologic, geochemical, and ecological processes that affect fish-tissue mercury concentrations within the Edisto River Basin, analyses and simulations of the hydrology of the Edisto River Basin were made using the topography-based hydrological...
Low-flow frequency and flow duration of selected South Carolina streams in the Catawba-Wateree and Santee River Basins through March 2012
Toby D. Feaster, Wladmir B. Guimaraes
2014, Open-File Report 2014-1113
Part of the mission of both the South Carolina Department of Health and Environmental Control and the South Carolina Department of Natural Resources is to protect and preserve South Carolina’s water resources. Doing so requires an ongoing understanding of streamflow characteristics of the rivers and streams in South Carolina. A...
Assessing potential effects of highway runoff on receiving-water quality at selected sites in Oregon with the Stochastic Empirical Loading and Dilution Model (SELDM)
John C. Risley, Gregory E. Granato
2014, Scientific Investigations Report 2014-5099
In 2012, the U.S. Geological Survey and the Oregon Department of Transportation began a cooperative study to demonstrate use of the Stochastic Empirical Loading and Dilution Model (SELDM) for runoff-quality analyses in Oregon. SELDM can be used to estimate stormflows, constituent concentrations, and loads from the area upstream of a...
Statistical analysis of the water-quality monitoring program, Upper Klamath Lake, Oregon, and optimization of the program for 2013 and beyond
Sara L. Caldwell Eldridge, Susan A. Wherry, Tamara M. Wood
2014, Open-File Report 2014-1009
Upper Klamath Lake in south-central Oregon has become increasingly eutrophic over the past century and now experiences seasonal cyanobacteria-dominated and potentially toxic phytoplankton blooms. Growth and decline of these blooms create poor water-quality conditions that can be detrimental to fish, including two resident endangered sucker species. Upper Klamath Lake is...
Regional regression equations for the estimation of selected monthly low-flow duration and frequency statistics at ungaged sites on streams in New Jersey
Kara M. Watson, Amy R. McHugh
2014, Scientific Investigations Report 2014-5004
Regional regression equations were developed for estimating monthly flow-duration and monthly low-flow frequency statistics for ungaged streams in Coastal Plain and non-coastal regions of New Jersey for baseline and current land- and water-use conditions. The equations were developed to estimate 87 different streamflow statistics, which include the monthly 99-, 90-,...
Low-flow characteristics of streams in the Lahaina District, West Maui, Hawai'i
Chui Ling Cheng
2014, Scientific Investigations Report 2014-5087
The purpose of this study was to characterize streamflow availability under natural low-flow conditions for streams in the Lahaina District, west Maui, Hawaiʻi. The study-area streams included Honolua Stream and tributary Pāpua Gulch, Honokahua Stream and tributary Mokupeʻa Gulch, Kahana Stream, Honokōwai Stream and tributaries Amalu and Kapāloa Streams, Wahikuli...
