Simulation of potential groundwater recharge for the glacial aquifer system east of the Rocky Mountains, 1980–2011, using the Soil-Water-Balance Model
Jared J. Trost, Jason L. Roth, Stephen M. Westenbroek, Howard W. Reeves
2018, Scientific Investigations Report 2018-5080
An understanding of the spatial and temporal extent of groundwater recharge is critical for many types of hydrologic assessments involving water quality, contaminant transport, ecosystem health, and sustainable use of groundwater. Annual potential groundwater recharge was simulated at a 1-kilometer resolution with the Soil-Water-Balance (SWB) model for the glacial aquifer...
Water budget of the upper Chehalis River Basin, southwestern Washington
Andrew S. Gendaszek, Wendy B. Welch
2018, Scientific Investigations Report 2018-5084
Groundwater and surface water collectively supply the domestic, agricultural, and industrial needs of the 895-square mile upper Chehalis River Basin upstream of Grand Mound, Washington, while providing streamflow for fish and other aquatic species in the Chehalis River and its tributaries. To support sustainable water management decision-making, a water budget...
Flood-inundation maps for the Pawtuxet River in West Warwick, Warwick, and Cranston, Rhode Island
Gardner C. Bent, Pamela J. Lombard
2018, Scientific Investigations Report 2018-5043
A series of 15 digital flood-inundation maps was developed for a 10.2-mile reach of the Pawtuxet River in the municipalities of West Warwick, Warwick, and Cranston, Rhode Island, by the U.S. Geological Survey (USGS), in cooperation with the Rhode Island Emergency Management Agency and the U.S. Army Corps of Engineers....
A comparison of synthetic flowpaths derived from light detection and ranging topobathymetric data and National Hydrography Dataset High Resolution Flowlines
Cynthia Miller-Corbett
2018, Open-File Report 2018-1058
Bathymetric and topobathymetric light detection and ranging (lidar) digital elevation models created for the Delaware River were provided to the National Geospatial Program and used to evaluate synthetic flowpath extraction from bathymetric/topobathymetric lidar survey data as a data source for improving the density, distribution, and connectivity of the National Hydrography...
Santa Barbara and Foothill groundwater basins Geohydrology and optimal water resources management—Developed using density dependent solute transport and optimization models
Scott R. Paulinski, Tracy Nishikawa, Geoffrey Cromwell, Scott E. Boyce, Zachary P. Stanko
Tracy Nishikawa, editor(s)
2018, Scientific Investigations Report 2018-5059
Groundwater has been a part of the city of Santa Barbara’s water-supply portfolio since the 1800s; however, since the 1960s, the majority of the city’s water has come from local surface water, and the remainder has come from groundwater, State Water Project, recycled water, increased water conservation, and as needed,...
Quality of surface water in Missouri, Water Year 2016
Miya N. Barr, Katherine A. Bartels
2018, Data Series 1086
The U.S. Geological Survey, in cooperation with the Missouri Department of Natural Resources, designed and operates a series of monitoring stations on streams and springs throughout Missouri known as the Ambient Water-Quality Monitoring Network. During water year 2016 (October 1, 2015, through September 30, 2016), data presented in this report...
Juvenile salmonid monitoring following removal of Condit Dam in the White Salmon River Watershed, Washington, 2017
Ian G. Jezorek, Jill M. Hardiman
2018, Open-File Report 2018-1106
Condit Dam, at river kilometer 5.3 on the White Salmon River, Washington, was breached in 2011, and removed completely in 2012, providing anadromous salmonids with the opportunity to recolonize habitat blocked for nearly 100 years. Prior to dam removal, a multi-agency workgroup concluded that the preferred salmonid restoration alternative...
Groundwater-quality and select quality-control data from the National Water-Quality Assessment Project, January through December 2015, and previously unpublished data from 2013 to 2014
Terri Arnold, Laura M. Bexfield, MaryLynn Musgrove, Paul E. Stackelberg, Bruce D. Lindsey, James A. Kingsbury, Justin T. Kulongoski, Kenneth Belitz
2018, Data Series 1087
Groundwater-quality data were collected from 502 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National Water-Quality Program and are included in this report. Most of the wells (500) were sampled from January through December 2015, and 2 of them were sampled in 2013. The...
Water-quality conditions with an emphasis on cyanobacteria and associated toxins and taste-and-odor compounds in the Kansas River, Kansas, July 2012 through September 2016
Jennifer L. Graham, Guy M. Foster, Thomas J. Williams, Matthew D. Mahoney, Madison R. May, Keith A. Loftin
2018, Scientific Investigations Report 2018-5089
Cyanobacteria cause a multitude of water-quality concerns, including the potential to produce toxins and taste-and-odor compounds that may cause substantial economic and public health concerns, and are of particular interest in lakes, reservoirs, and rivers that are used for drinking-water supply. Extensive cyanobacterial blooms typically do not develop in the...
Nutrient loads in the Lost River and Klamath River Basins, south-central Oregon and northern California, March 2012–March 2015
Liam N. Schenk, Marc A. Stewart, Sara L. Caldwell Eldridge
2018, Scientific Investigations Report 2018-5075
The U.S. Geological Survey and Bureau of Reclamation collected water-quality data from March 2012 to March 2015 at locations in the Lost River and Klamath River Basins, Oregon, in an effort to characterize water quality and compute a nutrient budget for the Bureau of Reclamation Klamath Reclamation Project. The study...
Estimates of water use and trends in the Colorado River Basin, Southwestern United States, 1985–2010
Molly A. Maupin, Tamara I. Ivahnenko, Breton Bruce
2018, Scientific Investigations Report 2018-5049
The Colorado River Basin (CRB) drains 246,000 square miles and includes parts of California, Colorado, Nevada, New Mexico, Utah, and Wyoming, and all of Arizona (Basin States). This report contains water-use estimates by category of use for drainage basins (Hydrologic Unit Code 8; HUC‑8) within the CRB from 1985...
Sediment supply to San Francisco Bay, water years 1995 through 2016: Data, trends, and monitoring recommendations to support decisions about water quality, tidal wetlands, and resilience to sea level rise
David H. Schoellhamer, Lester McKee, Sarah Pearce, Pete Kauhanen, Micha Saloman, Scott Dusterhoff, J. Letitia Grenier, Mathieu D. Marineau, Philip Trowbridge
2018, Report
Knowledge of the status and trends of sediment supply to San Francisco Bay is critically important for management decisions about dredging, marsh restoration, flood control, contaminants, water clarity (in relation to primary production), and sea level rise. Several sitespecific studies of sediment supply to San Francisco Bay have been conducted, but no synthesis of...
Reexamination of the subsurface fault structure in the vicinity of the 1989 moment-magnitude-6.9 Loma Prieta earthquake, central California, using steep-reflection, earthquake, and magnetic data
Edward Zhang, Gary S. Fuis, Rufus D. Catchings, Daniel S. Scheirer, Mark Goldman, Klaus Bauer
2018, Open-File Report 2018-1093
We reexamine the geometry of the causative fault structure of the 1989 moment-magnitude-6.9 Loma Prieta earthquake in central California, using seismic-reflection, earthquake-hypocenter, and magnetic data. Our study is prompted by recent interpretations of a two-part dip of the San Andreas Fault (SAF) accompanied by a flower-like structure in the Coachella...
Water-quality observations of the San Antonio segment of the Edwards aquifer, Texas, with an emphasis on processes influencing nutrient and pesticide geochemistry and factors affecting aquifer vulnerability, 2010–16
Stephen P. Opsahl, MaryLynn Musgrove, Barbara Mahler, Rebecca B. Lambert
2018, Scientific Investigations Report 2018-5060
As questions regarding the influence of increasing urbanization on water quality in the Edwards aquifer are raised, a better understanding of the sources, fate, and transport of compounds of concern in the aquifer—in particular, nutrients and pesticides—is needed to improve water management decision-making capabilities. The U.S. Geological Survey, in cooperation...
Agriculture — A river runs through it — The connections between agriculture and water quality
Paul D. Capel, Kathleen A. McCarthy, Richard H. Coupe, Katia M. Grey, Sheila E. Amenumey, Nancy T. Baker, Richard L. Johnson
2018, Circular 1433
Sustaining the quality of the Nation’s water resources and the health of our diverse ecosystems depends on the availability of sound water-resources data and information to develop effective, science-based policies. Effective management of water resources also brings more certainty and efficiency to important economic sectors. Taken together, these actions lead...
Faunal and stable isotopic analyses of benthic foraminifera from the Southeast Seep on Kimki Ridge offshore southern California, USA
Mary McGann, James E. Conrad
2018, Deep Sea Research Part II: Topical Studies in Oceanography (150) 92-117
We investigated the benthic foraminiferal faunal and stable carbon and oxygen isotopic composition of a 15-cm push core (NA075-092b) obtained on a Telepresence-Enabled cruise to the Southeast Seep on Kimki Ridge offshore southern California. The seep core was taken at a depth of 973 m in the vicinity of a...
Monitoring riparian-vegetation composition and cover along the Colorado River downstream of Glen Canyon Dam, Arizona
Emily C. Palmquist, Barbara E. Ralston, Daniel A. Sarr, Taylor C. Johnson
2018, Techniques and Methods 2-A14
Vegetation in the riparian zone (the area immediately adjacent to streams, such as stream banks) along the Colorado River downstream of Glen Canyon Dam, Arizona, supports many ecosystem and societal functions. In both Glen Canyon and Grand Canyon, this ecosystem has changed over time in response to flow alterations, invasive...
Freshwater mussel survey for the Columbia Dam removal, Paulins Kill, New Jersey
Heather S. Galbraith, Carrie J. Blakeslee, Jeffrey C. Cole, Erik L. Silldorff
2018, Open-File Report 2018-1074
Semi-quantitative mussel surveys, conducted by the U.S. Geological Survey and the Delaware Riverkeeper Network in cooperation with The Nature Conservancy, were completed in the vicinity of the Columbia Dam, on the Paulins Kill, New Jersey, in August 2017 in order to document the mussel species composition and relative abundance prior...
Estimating freshwater productivity, overwinter survival, and migration patterns of Klamath River Coho Salmon
Christopher V. Manhard, Nicholas A. Som, Russell W. Perry, Jimmy Faukner, Toz Soto
2018, Arcata Fisheries Technical Report TR 2018-33
An area of great importance to resource management and conservation biology in the Klamath Basin is balancing water usage against the life history requirements of threatened Coho Salmon. One tool for addressing this topic is a freshwater dynamics model to forecast Coho Salmon productivity based on environmental inputs. Constructing such...
Estimation of stream conditions in tributaries of the Klamath River, northern California
Christopher V. Manhard, Nicholas A. Som, Edward C. Jones, Russell W. Perry
2018, Arcata Fisheries Technical Report TR 2018-32
Because of their critical ecological role, stream temperature and discharge are requisite inputs for models of salmonid population dynamics. Coho Salmon inhabiting the Klamath Basin spend much of their freshwater life cycle inhabiting tributaries, but environmental data are often absent or only seasonally available at these locations. To address this...
Assessment of capacity-building activities for forest measurement, reporting, and verification, 2011–15
Elitsa I. Peneva-Reed, J. Erika Romijn
2018, Open-File Report 2018-1031
This report was written as a collaborative effort between the U.S. Geological Survey, SilvaCarbon, and Wageningen University with funding provided by the U.S. Agency for International Development and the European Space Agency, respectively, to address a pressing need for enhanced result-based monitoring and evaluation of delivered capacity-building activities. For this...
Construction and calibration of a groundwater-flow model to assess groundwater availability in the uppermost principal aquifer systems of the Williston Basin, United States and Canada
Kyle W. Davis, Andrew J. Long
2018, Scientific Investigations Report 2017-5158
The U.S. Geological Survey developed a groundwater-flow model for the uppermost principal aquifer systems in the Williston Basin in parts of Montana, North Dakota, and South Dakota in the United States and parts of Manitoba and Saskatchewan in Canada as part of a detailed assessment of the groundwater availability in...
Rio Grande transboundary integrated hydrologic model and water-availability analysis, New Mexico and Texas, United States, and Northern Chihuahua, Mexico
Randall T. Hanson, Andre B. Ritchie, Scott E. Boyce, Ian Ferguson, Amy E. Galanter, Lorraine E. Flint, Wesley R. Henson
2018, Open-File Report 2018-1091
Errata**September 28, 2018: The purpose of a USGS Open-file report (OFR) is dissemination of information that must be released immediately to fill a public need or information that is not sufficiently refined to warrant publication in one of the other USGS series. As part of that refinement process, an error...
Geochemistry of groundwater in the eastern Snake River Plain aquifer, Idaho National Laboratory and vicinity, eastern Idaho
Gordon W. Rattray
2018, Professional Paper 1837-A
Nuclear research activities at the U.S. Department of Energy (DOE) Idaho National Laboratory (INL) in eastern Idaho produced radiochemical and chemical wastes that were discharged to the subsurface, resulting in detectable concentrations of some waste constituents in the eastern Snake River Plain (ESRP) aquifer. These waste constituents may pose risks...
Preliminary synthesis and assessment of environmental flows in the middle Verde River watershed, Arizona
Nicholas V. Paretti, Anne M. D. Brasher, Susanna L. Pearlstein, Dena M. Skow, Bruce Gungle, Bradley D. Garner
2018, Scientific Investigations Report 2017-5100
A 3-year study was undertaken to evaluate the suitability of the available modeling tools for characterizing environmental flows in the middle Verde River watershed of central Arizona, describe riparian vegetation throughout the watershed, and estimate sediment mobilization in the river. Existing data on fish and macroinvertebrates were analyzed in relation...
