An empirical approach to modeling methylmercury concentrations in an Adirondack stream watershed
Douglas A. Burns, Elizabeth A. Nystrom, David M. Wolock, Paul M. Bradley, Karen Riva-Murray
2014, Journal of Geophysical Research: Biogeosciences (119) 1970-1984
Inverse empirical models can inform and improve more complex process-based models by quantifying the principal factors that control water quality variation. Here we developed a multiple regression model that explains 81% of the variation in filtered methylmercury (FMeHg) concentrations in Fishing Brook, a fourth-order stream in the Adirondack Mountains, New...
Geologic and hydrogeologic frameworks of the Biscayne aquifer in central Miami-Dade County, Florida
Michael A. Wacker, Kevin J. Cunningham, John H. Williams
2014, Scientific Investigations Report 2014-5138
Evaluations of the lithostratigraphy, lithofacies, paleontology, ichnology, depositional environments, and cyclostratigraphy from 11 test coreholes were linked to geophysical interpretations, and to results of hydraulic slug tests of six test coreholes at the Snapper Creek Well Field (SCWF), to construct geologic and hydrogeologic frameworks for the study area in central...
An enhanced model of land water and energy for global hydrologic and earth-system studies
Paul C.D. Milly, Sergey L. Malyshev, Elena Shevliakova, Krista A. Dunne, Kirsten L. Findell, Tom Gleeson, Zhi Liang, Peter Phillips, Ronald J. Stouffer, Sean Swenson
2014, Journal of Hydrometeorology (15) 1739-1761
LM3 is a new model of terrestrial water, energy, and carbon, intended for use in global hydrologic analyses and as a component of earth-system and physical-climate models. It is designed to improve upon the performance and to extend the scope of the predecessor Land Dynamics (LaD) and LM3V models by...
A computer program for uncertainty analysis integrating regression and Bayesian methods
Dan Lu, Ming Ye, Mary C. Hill, Eileen P. Poeter, Gary Curtis
2014, Environmental Modelling and Software (60) 45-56
This work develops a new functionality in UCODE_2014 to evaluate Bayesian credible intervals using the Markov Chain Monte Carlo (MCMC) method. The MCMC capability in UCODE_2014 is based on the FORTRAN version of the differential evolution adaptive Metropolis (DREAM) algorithm of Vrugt et al. (2009), which estimates the posterior probability density...
Watershed Data Management (WDM) database for Salt Creek streamflow simulation, DuPage County, Illinois, water years 2005-11
Maitreyee Bera
2014, Data Series 870
The U.S. Geological Survey (USGS), in cooperation with DuPage County Stormwater Management Division, maintains a USGS 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 Creek watershed...
Groundwater and surface-water interaction and potential for underground water storage in the Buena Vista-Salida Basin, Chaffee County, Colorado, 2011
Kenneth R. Watts, Tamara I. Ivahnenko, Stogner, James F. Bruce
2014, Scientific Investigations Report 2014-5095
By 2030, the population of the Arkansas Headwaters Region, which includes all of Chaffee and Lake Counties and parts of Custer, Fremont, and Park Counties, Colorado, is forecast to increase about 73 percent. As the region’s population increases, it is anticipated that groundwater will be used to meet much of...
Hydrologic conditions in urban Miami-Dade County, Florida, and the effect of groundwater pumpage and increased sea level on canal leakage and regional groundwater flow
Joseph D. Hughes, Jeremy T. White
2014, Scientific Investigations Report 2014-5162
The extensive and highly managed surface-water system in southeastern Florida constructed during the 20th Century has allowed for the westward expansion of urban and agricultural activities in Miami-Dade County. In urban areas of the county, the surface-water system is used to (1) control urban flooding, (2) supply recharge to production...
Strong influence of El Niño Southern Oscillation on flood risk around the world
Philip J. Ward, B Jongman, M. Kummu, Mike Dettinger, F.C Sperna Weiland, H.C Winsemius
2014, Proceedings of the National Academy of Sciences (111) 15659-15664
El Niño Southern Oscillation (ENSO) is the most dominant interannual signal of climate variability and has a strong influence on climate over large parts of the world. In turn, it strongly influences many natural hazards (such as hurricanes and droughts) and their resulting socioeconomic impacts, including economic damage and loss...
Development and use of a basin-scale hydrologic model for the Onondaga Lake basin
William F. Coon
2014, Clear Waters (44) 31-33
No abstract available....
Magnetic resonance sounding survey data collected in the North Platte, Twin Platte, and South Platte Natural Resource Districts, Western Nebraska, Fall 2012
Mason A. Kass, Benjamin R. Bloss, Trevor P. Irons, James C. Cannia, Jared D. Abraham
2014, Open-File Report 2014-1138
This report is a release of digital data and associated survey descriptions from a series of magnetic resonance soundings (MRS, also known as surface nuclear magnetic resonance) that was conducted during October and November of 2012 in areas of western Nebraska as part of a cooperative hydrologic study by the...
Base of principal aquifer for parts of the North Platte, South Platte, and Twin Platte Natural Resources Districts, western Nebraska
Christopher M. Hobza, Jared D. Abraham, James C. Cannia, Michaela R. Johnson, Steven S. Sibray
2014, Scientific Investigations Map 3310
Water resources in the North and South Platte River valleys of Nebraska, including the valley of Lodgepole Creek, are critical to the social and economic health of the area, and for the recovery of threatened and endangered species in the Platte River Basin. Groundwater and surface water are heavily used...
One-Water Hydrologic Flow Model (MODFLOW-OWHM)
Randall T. Hanson, Scott Boyce, Wolfgang Schmid, Joseph D. Hughes, Steffen W. Mehl, Stanley A. Leake, Thomas Maddock III, Richard G. Niswonger
2014, Techniques and Methods 6-A51
The One-Water Hydrologic Flow Model (MF-OWHM) is a MODFLOW-based integrated hydrologic flow model (IHM) that is the most complete version, to date, of the MODFLOW family of hydrologic simulators needed for the analysis of a broad range of conjunctive-use issues. Conjunctive use is the combined use of groundwater and surface...
Stream classification of the Apalachicola-Chattahoochee-Flint River System to support modeling of aquatic habitat response to climate change
Caroline M. Elliott, Robert B. Jacobson, Mary Freeman
2014, Scientific Investigations Report 2014-5080
A stream classification and associated datasets were developed for the Apalachicola-Chattahoochee-Flint River Basin to support biological modeling of species response to climate change in the southeastern United States. The U.S. Geological Survey and the Department of the Interior’s National Climate Change and Wildlife Science Center established the Southeast Regional Assessment...
Integrated hydrologic model of Pajaro Valley, Santa Cruz and Monterey Counties, California
Randall T. Hanson, Wolfgang Schmid, Claudia C. Faunt, Jonathan Lear, Brian Lockwood
2014, Scientific Investigations Report 2014-5111
Increasing population, agricultural development (including shifts to more water-intensive crops), and climate variability are placing increasingly larger demands on available groundwater resources in the Pajaro Valley, one of the most productive agricultural regions in the world. This study provided a refined conceptual model, geohydrologic framework, and integrated hydrologic model of...
Legacy data for a northern prairie grassland: Woodworth Study Area, North Dakota, 1963-89
Shelby H. Williams, Jane E. Austin
2014, Open-File Report 2014-1188
Ecological data commonly become more valuable through time. Such legacy data provide baseline records of past biological, physical, and social information that provide historical perspective and are necessary for assessment of stasis or change. Legacy data collected at the Woodworth Study Area (WSA), a contiguous block of grasslands, croplands, and...
Deposit model for heavy-mineral sands in coastal environments
Bradley S. Van Gosen, David L. Fey, Anjana K. Shah, Philip L. Verplanck, Todd M. Hoefen
2014, Scientific Investigations Report 2010-5070-L
This report provides a descriptive model of heavy-mineral sands, which are sedimentary deposits of dense minerals that accumulate with sand, silt, and clay in coastal environments, locally forming economic concentrations of the heavy minerals. This deposit type is the main source of titanium feedstock for the titanium dioxide (TiO2) pigments...
Two decision-support tools for assessing the potential effects of energy development on hydrologic resources as part of the Energy and Environment in the Rocky Mountain Area interactive energy atlas
Joshua I. Linard, Anne Marie Matherne, Kenneth J. Leib, Natasha B. Carr, James E. Diffendorfer, Sarah J. Hawkins, Natalie Latysh, Drew A. Ignizio, Nils C. Babel
2014, Open-File Report 2014-1158
The U.S. Geological Survey project—Energy and Environment in the Rocky Mountain Area (EERMA)—has developed a set of virtual tools in the form of an online interactive energy atlas for Colorado and New Mexico to facilitate access to geospatial data related to energy resources, energy infrastructure, and natural resources that may...
Ecological requirements for pallid sturgeon reproduction and recruitment in the Missouri River: annual report 2011
Aaron J. DeLonay, Robert B. Jacobson, Kimberly A. Chojnacki, Mandy L. Annis, P. J. Braaten, Caroline M. Elliott, D. B. Fuller, Justin D. Haas, Tyler M. Haddix, Hallie L.A. Ladd, Brandon J. McElroy, Gerald E. Mestl, Diana M. Papoulias, Jason C. Rhoten, Mark L. Wildhaber
2014, Open-File Report 2014-1106
The Comprehensive Sturgeon Research Project is a multiyear, multiagency collaborative research framework developed to provide information to support pallid sturgeon recovery and Missouri River management decisions. The project strategy integrates field and laboratory studies of sturgeon reproductive ecology, early life history, habitat requirements, and physiology. The project scope of work...
Lacustrine responses to decreasing wet mercury deposition rates: results from a case study in northern Minnesota
Mark E. Brigham, Mark B. Sandheinrich, David A. Gay, Ryan P. Maki, David P. Krabbenhoft, James G. Wiener
2014, Environmental Science & Technology (48) 6115-6123
We present a case study comparing metrics of methylmercury (MeHg) contamination for four undeveloped lakes in Voyageurs National Park to wet atmospheric deposition of mercury (Hg), sulfate (SO4–2), and hydrogen ion (H+) in northern Minnesota. Annual wet Hg, SO4–2, and H+ deposition rates at two nearby precipitation monitoring sites indicate...
Size-dependent reactivity of magnetite nanoparticles: a field-laboratory comparison
Andrew L. Swindle, Andrew S. Elwood Madden, Isabelle M. Cozzarelli, Mourad Benamara
2014, Environmental Science & Technology (48) 11413-11420
Logistic challenges make direct comparisons between laboratory- and field-based investigations into the size-dependent reactivity of nanomaterials difficult. This investigation sought to compare the size-dependent reactivity of nanoparticles in a field setting to a laboratory analog using the specific example of magnetite dissolution. Synthetic magnetite nanoparticles of three size intervals, ∼6...
Water-chemistry data collected in and near Kaloko-Honokohau National Historical Park, Hawaii, 2012–2014
Fred D. Tillman, Delwyn S. Oki, Adam G. Johnson
2014, Open-File Report 2014-1173
Kaloko-Honokōhau National Historical Park (KAHO) on western Hawaiʻi was established in 1978 to preserve, interpret, and perpetuate traditional Native Hawaiian culture and activities, including the preservation of a variety of culturally and ecologically significant water resources that are vital to this mission. KAHO water bodies provide habitat for 1 threatened,...
Status and understanding of groundwater quality in the Klamath Mountains study unit, 2010: California GAMA Priority Basin Project
George L. Bennett V, Miranda S. Fram, Kenneth Belitz
2014, Scientific Investigations Report 2014-5065
Groundwater quality in the Klamath Mountains (KLAM) study unit was investigated as part of the Priority Basin Project of the California Groundwater Ambient Monitoring and Assessment (GAMA) Program. The study unit is located in Del Norte, Humboldt, Shasta, Siskiyou, Tehama, and Trinity Counties. The GAMA Priority Basin Project is being...
Physiological condition of juvenile wading birds in relation to multiple landscape stressors in the Florida Everglades: effects of hydrology, prey availability, and mercury bioaccumulation
Garth Herring, Collin A. Eagles-Smith, Dale E. Gawlik, James M. Beerens, Joshua T. Ackerman
2014, PLoS ONE (9)
The physiological condition of juvenile birds can be influenced by multiple ecological stressors, and few studies have concurrently considered the effects of environmental contaminants in combination with ecological attributes that can influence foraging conditions and prey availability. Using three temporally distinct indices of physiological condition, we compared the physiological response...
Science for the stewardship of the groundwater resources of Cape Cod, Massachusetts
Jeffrey R. Barbaro, John P. Masterson, Denis R. LeBlanc
2014, Fact Sheet 2014-3067
Groundwater is the sole source of drinking water and a major source of freshwater for domestic, industrial, and agricultural uses on Cape Cod, Massachusetts. Groundwater discharged from aquifers also supports freshwater pond and stream ecosystems and coastal wetlands. Six hydraulically distinct groundwater-flow systems (lenses) have been delineated on Cape Cod....
Projections of the Ganges-Brahmaputra precipitation: downscaled from GCM predictors
Md Shahriar Pervez, Geoffrey M. Henebry
2014, Journal of Hydrology (517) 120-134
Downscaling Global Climate Model (GCM) projections of future climate is critical for impact studies. Downscaling enables use of GCM experiments for regional scale impact studies by generating regionally specific forecasts connecting global scale predictions and regional scale dynamics. We employed the Statistical Downscaling Model (SDSM) to downscale 21st century precipitation...
