Survival of juvenile chinook salmon and coho salmon in the Roza Dam fish bypass and in downstream reaches of the Yakima River, Washington, 2016
Tobias J. Kock, Russell W. Perry, Amy C. Hansen
2016, Open-File Report 2016-1210
Estimates of juvenile salmon survival are important data for fishery managers in the Yakima River Basin. Radiotelemetry studies during 2012–14 showed that tagged juvenile Chinook salmon (Oncorhynchus tshawytscha) that passed through the fish bypass at Roza Dam had lower survival than fish that passed through other routes at the dam....
Sources of groundwater and characteristics of surface-water recharge at Bell, White, and Suwannee Springs, Florida, 2012–13
John F. Stamm, W. Scott McBride
2016, Open-File Report 2016-1190
Discharge from springs in Florida is sourced from aquifers, such as the Upper Floridan aquifer, which is overlain by an upper confining unit that locally can have properties of an aquifer. Water levels in aquifers are affected by several factors, such as precipitation, recharge, and groundwater withdrawals, which in turn...
Concentration, flux, and trend estimates with uncertainty for nutrients, chloride, and total suspended solids in tributaries of Lake Champlain, 1990–2014
Laura Medalie
2016, Open-File Report 2016-1200
The U.S. Geological Survey, in cooperation with the New England Interstate Water Pollution Control Commission and the Vermont Department of Environmental Conservation, estimated daily and 9-month concentrations and fluxes of total and dissolved phosphorus, total nitrogen, chloride, and total suspended solids from 1990 (or first available date) through 2014...
Preliminary peak stage and streamflow data at selected streamgaging stations in North Carolina and South Carolina for flooding following Hurricane Matthew, October 2016
J. Curtis Weaver, Toby D. Feaster, Jeanne C. Robbins
2016, Open-File Report 2016-1205
The passage of Hurricane Matthew across the central and eastern regions of North Carolina and South Carolina during October 7–9, 2016, resulted in heavy rainfall that caused major flooding in parts of the eastern Piedmont in North Carolina and coastal regions of both States. Rainfall totals of 3 to 8...
Building unified geospatial data for land-change modeling—A case study in the area of Richmond, Virginia
David I. Donato, Jason L. Shapiro
2016, Open-File Report 2016-1176
An effort to build a unified collection of geospatial data for use in land-change modeling (LCM) led to new insights into the requirements and challenges of building an LCM data infrastructure. A case study of data compilation and unification for the Richmond, Va., Metropolitan Statistical Area (MSA) delineated the problems...
Collection, processing, and quality assurance of time-series electromagnetic-induction log datasets, 1995–2016, south Florida
Scott T. Prinos, Robert Valderrama
2016, Open-File Report 2016-1194
Time-series electromagnetic-induction log (TSEMIL) datasets are collected from polyvinyl-chloride cased or uncased monitoring wells to evaluate changes in water conductivity over time. TSEMIL datasets consist of a series of individual electromagnetic-induction logs, generally collected at a frequency of once per month or once per year that have been compiled into...
Estimating natural monthly streamflows in California and the likelihood of anthropogenic modification
Daren M. Carlisle, David M. Wolock, Jeanette K. Howard, Theodore E. Grantham, Kurt Fesenmyer, Michael Wieczorek
2016, Open-File Report 2016-1189
Because natural patterns of streamflow are a fundamental property of the health of streams, there is a critical need to quantify the degree to which human activities have modified natural streamflows. A requirement for assessing streamflow modification in a given stream is a reliable estimate of flows expected in the...
Estimated historical distribution of grassland communities of the Southern Great Plains
Gordon C. Reese, Daniel J. Manier, Natasha B. Carr, Ramana Callan, Ian I.F. Leinwand, Timothy J. Assal, Lucy Burris, Drew A. Ignizio
2016, Open-File Report 2016-1184
The purpose of this project was to map the estimated distribution of grassland communities of the Southern Great Plains prior to Euro-American settlement. The Southern Great Plains Rapid Ecoregional Assessment (REA), under the direction of the Bureau of Land Management and the Great Plains Landscape Conservation Cooperative, includes four ecoregions:...
High-resolution seismic-reflection data from offshore northern California — Bolinas to Sea Ranch
Ray W. Sliter, Samuel Y. Johnson, John L. Chin, Parker Allwardt, Jeffrey Beeson, Peter J. Triezenberg
2016, Open-File Report 2016-1058
The U.S. Geological Survey collected high-resolution seismic-reflection data in September 2009, on survey S-8-09-NC, offshore of northern California between Bolinas and Sea Ranch.The survey area spans about 125 km of California’s coast and extends around Point Reyes. Data were collected aboard the U.S. Geological Survey R/V Parke Snavely. Cumulatively, ~1,150...
Geologic map and cross sections of the Embudo Fault Zone in the Southern Taos Valley, Taos County, New Mexico
Paul W. Bauer, Keith I. Kelson, V. J. S. Grauch, Benjamin J. Drenth, Peggy S. Johnson, Scott B. Aby, Brigitte Felix
2016, Open-File Report 584
The southern Taos Valley encompasses the physiographic and geologic transition zone between the Picuris Mountains and the San Luis Basin of the Rio Grande rift. The Embudo fault zone is the rift transfer structure that has accommodated the kinematic disparities between the San Luis Basin and the Española Basin during...
Mountain goat abundance and population trends in the Olympic Mountains, northwestern Washington, 2016
Kurt J. Jenkins, Patricia J. Happe, Katherine F. Beirne, William T. Baccus
2016, Open-File Report 2016-1185
Executive SummaryWe estimated abundance and trends of non-native mountain goats (Oreamnos americanus) in the Olympic Mountains of northwestern Washington, based on aerial surveys conducted during July 13–24, 2016. The surveys produced the seventh population estimate since the first formal aerial surveys were conducted in 1983. This was the second population...
Model description and evaluation of the mark-recapture survival model used to parameterize the 2012 status and threats analysis for the Florida manatee (Trichechus manatus latirostris)
Catherine A. Langtimm, William L. Kendall, Cathy A. Beck, Howard I. Kochman, Amy L. Teague, Gaia Meigs-Friend, Claudia L. Penaloza
2016, Open-File Report 2016-1163
This report provides supporting details and evidence for the rationale, validity and efficacy of a new mark-recapture model, the Barker Robust Design, to estimate regional manatee survival rates used to parameterize several components of the 2012 version of the Manatee Core Biological Model (CBM) and Threats Analysis (TA). The CBM...
Collection methods and descriptions of coral cores extracted from massive corals in Dry Tortugas National Park, Florida, U.S.A.
Michael S. Weinzierl, Christopher D. Reich, T. Donald Hickey, Lucy A. Bartlett, Ilsa B. Kuffner
2016, Open-File Report 2016-1182
Cores from living coral colonies were collected from Dry Tortugas National Park, Florida, U.S.A., to obtain skeletal records of past coral growth and allow geochemical reconstruction of environmental variables during the corals’ centuries-long lifespans. The samples were collected as part of the U.S. Geological Survey Coral Reef Ecosystems Studies project...
Evaluation of the biological and hydraulic performance of the portable floating fish collector at Cougar Reservoir and Dam, Oregon, September 2015–January 2016
John W. Beeman, Scott D. Evans, Philip V. Haner, Hal C. Hansel, Amy C. Hansen, Gabriel S. Hansen, Tyson W. Hatton, Eric E. Kofoot, Jamie M. Sprando
2016, Open-File Report 2016-1197
The biological and hydraulic performance of a portable floating fish collector (PFFC) located in the cul-de-sac of Cougar Dam and Reservoir, Oregon, was evaluated during 2015–16. The PFFC, first commissioned in May 2014, was modified during winter 2014–15 to address several deficiencies identified during operation and testing in 2014....
Hydropower assessment of Bolivia—A multisource satellite data and hydrologic modeling approach
Naga Manohar Velpuri, Shahriar Pervez, W. Matthew Cushing
2016, Open-File Report 2016-1156
This study produced a geospatial database for use in a decision support system by the Bolivian authorities to investigate further development and investment potentials in sustainable hydropower in Bolivia. The study assessed theoretical hydropower of all 1-kilometer (km) stream segments in the country using multisource satellite data and a hydrologic...
Facilitating the inclusion of nonmarket values in Bureau of Land Management planning and project assessments—Final report
Chris Huber, Leslie Richardson
2016, Open-File Report 2016-1178
Executive SummaryThis report summarizes the results of a series of field-based case studies conducted by the U.S. Geological Survey (USGS) to (1) evaluate the use of nonmarket values in Bureau of Land Management (BLM) planning and project assessments, (2) update existing technical resources for measuring those values, and (3) provide...
A methodology for quantifying trace elements in the exoskeletons of Florida stone crab (Menippe mercenaria) larvae using inductively coupled plasma optical emission spectrometry (ICP–OES)
Philip M. Gravinese, Jennifer A. Flannery, Lauren T. Toth
2016, Open-File Report 2016-1148
The larvae of the Florida stone crab, Menippe mercenaria, migrate through a variety of habitats as they develop and, therefore, experience a broad range of environmental conditions through ontogeny. Environmental variability experienced by the larvae may result in distinct elemental signatures within the exoskeletons, which could provide a tool for...
Insect community responses to climate and weather across elevation gradients in the Sagebrush Steppe, eastern Oregon
David S. Pilliod, Ashley T. Rohde
2016, Open-File Report 2016-1183
Executive SummaryIn this study, the U.S. Geological Survey investigated the use of insects as bioindicators of climate change in sagebrush steppe shrublands and grasslands in the Upper Columbia Basin. The research was conducted in the Stinkingwater and Pueblo mountain ranges in eastern Oregon on lands administered by the Bureau...
GIS-based identification of areas that have resource potential for critical minerals in six selected groups of deposit types in Alaska
Susan M. Karl, James V. Jones III, Timothy S. Hayes, editor(s)
2016, Open-File Report 2016-1191
Alaska has considerable potential for undiscovered mineral resources. This report evaluates potential for undiscovered critical minerals in Alaska. Critical minerals are those for which the United States imports more than half of its total supply and which are largely derived from nations that cannot be considered reliable trading partners. In...
Groundwater quality from private domestic water-supply wells in the vicinity of petroleum production in Southwestern Indiana
Martin R. Risch, Cheryl A. Silcox
2016, Open-File Report 2016-1122
Potash—A vital agricultural nutrient sourced from geologic deposits
Douglas B. Yager
2016, Open-File Report 2016-1167
This report summarizes the primary sources of potash in the United States. Potash is an essential nutrient that, along with phosphorus and nitrogen, is used as fertilizer for growing crops. Plants require sufficient potash to activate enzymes, which in turn catalyze chemical reactions important for water uptake and photosynthesis. When...
Community exposure to potential climate-driven changes to coastal-inundation hazards for six communities in Essex County, Massachusetts
Nina Abdollahian, Jamie L. Ratliff, Nathan J. Wood
2016, Open-File Report 2016-1187
IntroductionUnderstanding if and how community exposure to coastal hazards may change over time is crucial information for coastal managers tasked with developing climate adaptation plans. This report summarizes estimates of population and asset exposure to coastal-inundation hazards associated with sea-level-rise and storm scenarios in six coastal communities of the Great...
Summary of environmental flow monitoring for the Sustainable Rivers Project on the Middle Fork Willamette and McKenzie Rivers, western Oregon, 2014–15
Krista L. Jones, Joseph F. Mangano, J. Rose Wallick, Heather D. Bervid, Melissa Olson, Mackenzie K. Keith, Leslie Bach
2016, Open-File Report 2016-1186
This report presents the results of an ongoing environmental flow monitoring study by The Nature Conservancy (TNC), U.S. Army Corps of Engineers (USACE), and U.S. Geological Survey in support of the Sustainable Rivers Project (SRP) of TNC and USACE. The overarching goal of this study is to evaluate and characterize...
Bedrock morphology and structure, upper Santa Cruz Basin, south-central Arizona, with transient electromagnetic survey data
Mark W. Bultman, William R. Page
2016, Open-File Report 2016-1152
The upper Santa Cruz Basin is an important groundwater basin containing the regional aquifer for the city of Nogales, Arizona. This report provides data and interpretations of data aimed at better understanding the bedrock morphology and structure of the upper Santa Cruz Basin study area which encompasses the Rio Rico...
Community for Data Integration 2015 annual report
Madison L. Langseth, Michelle Y. Chang, Jennifer Carlino, J. Ryan Bellmore, Daniella D. Birch, Joshua Bradley, R. Sky Bristol, Daniel D. Buscombe, Jeffrey J. Duda, Anthony L. Everette, Tabitha A. Graves, Michelle M. Greenwood, David L. Govoni, Heather S. Henkel, Vivian B. Hutchison, Brenda K. Jones, Tim Kern, Jennifer Lacey, Rynn M. Lamb, Frances L. Lightsom, John L. Long, Ra’ad A. Saleh, Stan W. Smith, Christopher E. Soulard, Roland J. Viger, Jonathan A. Warrick, Katherine E. Wesenberg, Daniel J. Wieferich, Luke A. Winslow
2016, Open-File Report 2016-1165
The Community for Data Integration (CDI) continued to experience success in fiscal year 2015. The CDI community members have been sharing, learning, and collaborating through monthly forums, workshops, working groups, and funded projects. In fiscal year 2015, CDI coordinated 10 monthly forums with 16 different speakers from the U.S. Geological...
