Geologic structure of the Yucaipa area inferred from gravity data, San Bernardino and Riverside Counties, California
Gregory O. Mendez, Victoria E. Langenheim, Andrew Morita, Wesley R. Danskin
2016, Open-File Report 2016-1127
In the spring of 2009, the U.S. Geological Survey, in cooperation with the San Bernardino Valley Municipal Water District, began working on a gravity survey in the Yucaipa area to explore the three-dimensional shape of the sedimentary fill (alluvial deposits) and the surface of the underlying crystalline basement rocks....
Feasibility study of earthquake early warning (EEW) in Hawaii
Weston A. Thelen, Alicia J. Hotovec-Ellis, Paul Bodin
2016, Open-File Report 2016-1172
The effects of earthquake shaking on the population and infrastructure across the State of Hawaii could be catastrophic, and the high seismic hazard in the region emphasizes the likelihood of such an event. Earthquake early warning (EEW) has the potential to give several seconds of warning before strong shaking starts,...
Benthic processes affecting contaminant transport in Upper Klamath Lake, Oregon
James S. Kuwabara, Brent R. Topping, James L. Carter, Rick A Carlson, Francis Parchaso, Steven V. Fend, Natalie Stauffer-Olsen, Andrew J. Manning, Jennie M. Land
2016, Open-File Report 2016-1175
Executive SummaryMultiple sampling trips during calendar years 2013 through 2015 were coordinated to provide measurements of interdependent benthic processes that potentially affect contaminant transport in Upper Klamath Lake (UKL), Oregon. The measurements were motivated by recognition that such internal processes (for example, solute benthic flux, bioturbation and solute efflux by...
User’s manual for the Automated Data Assurance and Management application developed for quality control of Everglades Depth Estimation Network water-level data
Matthew D. Petkewich, Ruby C. Daamen, Edwin A. Roehl, Paul Conrads
2016, Open-File Report 2016-1116
The generation of Everglades Depth Estimation Network (EDEN) daily water-level and water-depth maps is dependent on high quality real-time data from over 240 water-level stations. To increase the accuracy of the daily water-surface maps, the Automated Data Assurance and Management (ADAM) tool was created by the U.S. Geological Survey as...
Monitoring and research on the Bi-State Distinct Population Segment of greater sage-grouse (Centrocercus urophasianus) in the Pine Nut Mountains, California and Nevada—Study progress report, 2011–15
Peter S. Coates, Katie M. Andrle, Pilar T. Ziegler, Michael L. Casazza
2016, Open-File Report 2015-1222
The Bi-State distinct population segment (DPS) of greater sage-grouse (Centrocercus urophasianus) that occurs along the Nevada–California border was proposed for listing as threatened under the Endangered Species Act (ESA) by the U.S. Fish and Wildlife Service (FWS) in October 2013. However, in April 2015, the FWS determined that the...
Cyanobacterial harmful algal blooms and U.S. Geological Survey science capabilities
Jennifer L. Graham, Neil M. Dubrovsky, Sandra M. Eberts
2016, Open-File Report 2016-1174
Cyanobacterial harmful algal blooms (CyanoHABs) are increasingly a global concern because CyanoHABs pose a threat to human and aquatic ecosystem health and cause economic damages. Despite advances in scientific understanding of cyanobacteria and associated compounds, many unanswered questions remain about occurrence, environmental triggers for toxicity, and the ability to predict...
U.S. Geological Survey science for the Wyoming Landscape Conservation Initiative—2015 annual report
Zachary H. Bowen, Cameron L. Aldridge, Patrick J. Anderson, Timothy J. Assal, Timothy T. Bartos, Anna D. Chalfoun, Geneva W. Chong, Marie K. Dematatis, Cheryl A. Eddy-Miller, Steven L. Garman, Stephen S. Germaine, Collin G. Homer, Matthew J. Kauffman, Christopher C. Huber, Daniel J. Manier, Cynthia P. Melcher, Kirk A. Miller, Tamar Norkin, Lindsey E. Sanders, Annika W. Walters, Anna B. Wilson, Teal B. Wyckoff
2016, Open-File Report 2016-1141
This is the eighth annual report highlighting U.S. Geological Survey (USGS) science and decision-support activities conducted for the Wyoming Landscape Conservation Initiative (WLCI). The activities address specific management needs identified by WLCI partner agencies. In 2015, USGS scientists continued 24 WLCI projects in 5 categories: (1) acquiring and analyzing resource-condition data...
The Department of the Interior Southeast Climate Science Center synthesis report 2011–15—Projects, products, and science priorities
Elda Varela Minder, Aranzazu R. Lascurain, Gerard McMahon
2016, Open-File Report 2016-1133
IntroductionIn 2009, the U.S. Department of the Interior (DOI) Secretary Ken Salazar established a network of eight regional Climate Science Centers (CSCs) that, along with the Landscape Conservation Cooperatives (LCCs), would help define and implement the Department's climate adaptation response. The Southeast Climate Science Center (SE CSC) was established at...
Discharge, water temperature, and water quality of Warm Mineral Springs, Sarasota County, Florida: A retrospective analysis
Patricia A. Metz
2016, Open-File Report 2016-1166
Warm Mineral Springs, located in southern Sarasota County, Florida, is a warm, highly mineralized, inland spring. Since 1946, a bathing spa has been in operation at the spring, attracting vacationers and health enthusiasts. During the winter months, the warm water attracts manatees to the adjoining spring run and provides vital...
Groundwater contaminant plume maps and volumes, 100-K and 100-N Areas, Hanford Site, Washington
Kenneth H. Johnson
2016, Open-File Report 2016-1161
This study provides an independent estimate of the areal and volumetric extent of groundwater contaminant plumes which are affected by waste disposal in the 100-K and 100-N Areas (study area) along the Columbia River Corridor of the Hanford Site. The Hanford Natural Resource Trustee Council requested that the U.S....
Summary of oceanographic and water-quality measurements in Barnegat Bay, New Jersey, 2014–15
Steven E. Suttles, Neil K. Ganju, Ellyn T. Montgomery, Patrick J. Dickhudt, Jonathan Borden, Sandra M. Brosnahan, Marinna A. Martini
2016, Open-File Report 2016-1149
Scientists and technical support staff from the U.S. Geological Survey measured suspended-sediment concentrations, currents, pressure, and water temperature in two tidal creeks, Reedy Creek and Dinner Creek, in Barnegat Bay, New Jersey, from August 11, 2014, to July 10, 2015 as part of the Estuarine Physical Response to Storms project...
User guide for MODPATH Version 7—A particle-tracking model for MODFLOW
David W. Pollock
2016, Open-File Report 2016-1086
MODPATH is a particle-tracking post-processing program designed to work with MODFLOW, the U.S. Geological Survey (USGS) finite-difference groundwater flow model. MODPATH version 7 is the fourth major release since its original publication. Previous versions were documented in USGS Open-File Reports 89–381 and 94–464 and in USGS Techniques and Methods 6–A41.MODPATH...
Faulting, damage, and intensity in the Canyondam earthquake of May 23, 2013
K. Chapman, M.B. Gold, John Boatwright, J. Sipe, V. Quitoriano, D. Dreger, Jeanne Hardebeck
2016, Open-File Report 2016-1145
On Thursday evening, May 23, 2013 (0347 May 24 UTC), a moment magnitude (Mw) = 5.7 earthquake occurred northeast of Canyondam, California. A two-person team of U.S. Geological Survey scientists went to the area to search for surface rupture and to canvass damage in the communities around...
Gallery of melt textures developed in Westerly Granite during high-pressure triaxial friction experiments
Diane E. Moore, David A. Lockner, Brian D. Kilgore, Nicholas M. Beeler
2016, Open-File Report 2016-1059
IntroductionMelting occurred during stick-slip faulting of granite blocks sheared at room-dry, room-temperature conditions in a triaxial apparatus at 200–400 megapascals (MPa) confining pressure. Petrographic examinations of melt textures focused largely on the 400-MPa run products. This report presents an overview of the petrographic data collected on those samples, followed by...
Juvenile sucker cohort tracking data summary and assessment of monitoring program, 2015
Summer M. Burdick, Carl O. Ostberg, Mark E. Hereford, Marshal S. Hoy
2016, Open-File Report 2016-1164
Populations of federally endangered Lost River (Deltistes luxatus) and shortnose suckers (Chasmistes brevirostris) in Upper Klamath Lake, Oregon, are experiencing long-term declines in abundance. Upper Klamath Lake populations are decreasing because adult mortality, which is relatively low, is not being balanced by recruitment of young adult suckers into known...
Genetic diversity and population structure in the threatened Oregon silverspot butterfly (Speyeria zerene hippolyta) in western Oregon and northwestern California— Implications for future translocations and the establishment of new populations
Mark P. Miller, Thomas D. Mullins, Susan M. Haig
2016, Open-File Report 2016-1162
Executive SummaryWe present results of population genetic analyses performed on Oregon silverspot butterflies (OSB; Speyeria zerene hippolyta) in western Oregon and northwestern California. We used DNA sequences from a 561-base pair region of the mitochondrial cytochrome oxidase subunit I (COI) gene for a dataset comprised of 112 S. z....
Element concentrations in surface soils of the Coconino Plateau, Grand Canyon region, Coconino County, Arizona
Bradley S. Van Gosen
2016, Open-File Report 2016-1160
This report provides the geochemical analyses of a large set of background soils collected from the surface of the Coconino Plateau in northern Arizona. More than 700 soil samples were collected at 46 widespread areas, sampled from sites that appear unaffected by mineralization and (or) anthropogenic contamination. The soils were...
Water temperature effects from simulated dam operations and structures in the Middle Fork Willamette River, western Oregon
Norman L. Buccola, Daniel F. Turner, Stewart A. Rounds
2016, Open-File Report 2016-1159
Significant FindingsStreamflow and water temperature in the Middle Fork Willamette River (MFWR), western Oregon, have been regulated and altered since the construction of Lookout Point, Dexter, and Hills Creek Dams in 1954 and 1961, respectively. Each year, summer releases from the dams typically are cooler than pre-dam conditions, with the...
Behavior and movements of adult spring Chinook salmon (Oncorhynchus tshawytscha) in the Chehalis River Basin, southwestern Washington, 2015
Theresa L. Liedtke, Mara S. Zimmerman, Ryan G. Tomka, Curt Holt, Lyle Jennings
2016, Open-File Report 2016-1158
Recent interest in flood control and restoration strategies in the Chehalis River Basin has increased the need to understand the current status and ecology of spring Chinook salmon. Based on the extended period between freshwater entry and spawn timing, spring Chinook salmon have the longest exposure of all adult...
Gravity change from 2014 to 2015, Sierra Vista Subwatershed, Upper San Pedro Basin, Arizona
Jeffrey R. Kennedy
2016, Open-File Report 2016-1155
Relative-gravity data and absolute-gravity data were collected at 68 stations in the Sierra Vista Subwatershed, Upper San Pedro Basin, Arizona, in May–June 2015 for the purpose of estimating aquifer-storage change. Similar data from 2014 and a description of the survey network were published in U.S. Geological Survey Open-File Report 2015–1086....
Examination of flood characteristics at selected streamgages in the Meramec River Basin, eastern Missouri, December 2015–January 2016
Robert R. Holmes Jr., Todd A. Koenig, Paul H. Rydlund Jr., David C. Heimann
2016, Open-File Report 2016-1140
OverviewHeavy rainfall resulted in major flooding in the Meramec River Basin in eastern Missouri during late December 2015 through early January 2016. Cumulative rainfall from December 14 to 29, 2015, ranged from 7.6 to 12.3 inches at selected precipitation stations in the basin with flooding driven by the heaviest precipitation...
Altered hydrologic and geomorphic processes and bottomland hardwood plant communities of the lower White River Basin
Sammy L. King, Richard F. Keim, Cliff R. Hupp, Brandon L. Edwards, Whitney A. Kroschel, Erin L. Johnson, J. Wesley Cochran
2016, Open-File Report 2016-1113
Introduction The work explained in this report was conducted to assess geomorphic adjustment of the lower White River, Arkansas, to hydrologic modifications and establish forest age and community structure within selected communities within the floodplain. Also, the HEC–GeoRAS model was evaluated for predicting flood depth and duration within the floodplain. Hydrologic...
Marine magnetic survey and onshore gravity and magnetic survey, San Pablo Bay, northern California
David A. Ponce, Kevin M. Denton, Janet Tilden Watt
2016, Open-File Report 2016-1150
IntroductionFrom November 2011 to August 2015, the U.S. Geological Survey (USGS) collected more than 1,000 line-kilometers (length of lines surveyed in kilometers) of marine magnetic data on San Pablo Bay, 98 onshore gravity stations, and over 27 line-kilometers of ground magnetic data in northern California. Combined magnetic and gravity investigations...
U.S. Geological Survey—Energy and Wildlife Research Annual Report for 2016
Mona Khalil, editor(s)
2016, Open-File Report 2016-1147
Recent growth and development of renewable energy and unconventional oil and gas extraction are rapidly diversifying the energy supply of the United States. Yet, as our Nation works to advance energy security and conserve wildlife, some conflicts have surfaced. To address these challenges, the U.S. Geological Survey (USGS) is conducting...
Modeling water quality, temperature, and flow in Link River, south-central Oregon
Annett B. Sullivan, Stewart A. Rounds
2016, Open-File Report 2016-1146
The 2.1-km (1.3-mi) Link River connects Upper Klamath Lake to the Klamath River in south-central Oregon. A CE-QUAL-W2 flow and water-quality model of Link River was developed to provide a connection between an existing model of the upper Klamath River and any existing or future models of Upper Klamath...
