Estimated water withdrawals and use in Puerto Rico, 2015
Wanda L. Molina-Rivera, Michelle M. Irizarry-Ortiz
2021, Open-File Report 2021-1060
Water withdrawals and use in Puerto Rico for 2015 were estimated at 2,372 million gallons per day (Mgal/d), which was 21 percent less than withdrawals and use for 2010. The 2015 total water withdrawal and use estimates were the lowest since 1990 and coincided with a substantial decline of 25...
GIS-based identification of areas that have resource potential for lode gold in Alaska
Susan M. Karl, Douglas C. Kreiner, George N.D. Case, Keith A. Labay, Nora B. Shew, Matthew Granitto, Bronwen Wang, Eric D. Anderson
2021, Open-File Report 2021-1041
Several comprehensive, data-driven geographic information system (GIS) analyses were conducted to assess prospectivity for lode gold in Alaska. These analyses use available geospatial datasets of lithologic, geochemical, mineral occurrence, and geophysical data to build models for recognizing different types of gold deposits within physiographic units defined by stream drainage basins...
Distribution of chlorinated volatile organic compounds and per- and polyfluoroalkyl substances in monitoring wells at the former Naval Air Warfare Center, West Trenton, New Jersey, 2014–17
Thomas E. Imbrigiotta, Alex R. Fiore
2021, Open-File Report 2020-1105
A study was conducted by the U.S. Geological Survey in cooperation with the U.S. Navy (the Navy) to determine the status of volatile organic compounds (VOCs) and per- and polyfluoroalkyl substances (PFASs) in groundwater at the former Naval Air Warfare Center (NAWC) in West Trenton, New Jersey. Wells contaminated with...
Annotated bibliography of scientific research on Ventenata dubia published from 2010 to 2020
Erin E. Poor, Nathan J. Kleist, Heidi L. Bencin, Alison C. Foster, Sarah K. Carter
2021, Open-File Report 2021-1031
Integrating recent science into management decisions supports effective natural resource management and can lead to better resource outcomes. However, finding and accessing science information can be time consuming and costly. To assist in this process, the U.S. Geological Survey (USGS) is creating a series of annotated bibliographies on topics of...
Chemical analysis of archived stream-sediment samples, Alaska
Bronwen Wang, George N.D. Case, Mathew Granitto, Keith A. Labay, Nora B. Shew, Andrew D. Ingraham, Jaime S. Azain, Zachary C. Bueghly, Susan M. Karl, Karen D. Kelley
2021, Open-File Report 2021-1058
Geochemical data are presented for more than 1,500 archived stream-sediment samples and accompanying quality control samples. The archived sediments were reanalyzed to improve the stream geochemical dataset for Alaska and to support ongoing U.S. Geological Survey (USGS) studies. Sediment samples were primarily from the USGS Mineral Resources Program’s sample...
Grassland live fractional cover map creation and Geographic Information System (GIS) analysis for rangeland management supporting Kenya Northern Rangelands Trust Conservancies
Amina Rangoonwala, Elijah Ramsey III
2021, Open-File Report 2021-1001
The handbooks and synchronized MP4 recordings provide hands-on instruction for creating and analyzing vegetation live fractional cover (LFC) maps. The methods and protocols used in the instruction materials follow those developed and recorded in Rangoonwala and Ramsey (2019). The LFC mapping and geographic information system (GIS) analyses highlight the consortium...
Surface-mining modeling for USGS coal assessments
Paul E. Pierce
2021, Open-File Report 2021-1059
The value of national coal deposits is determined for the Solid Fuel Energy Resources Assessment and Research Project through economic evaluations using hypothetical mining models. Deposits near the surface are evaluated with the U.S. Geological Survey (USGS) surface-mining model, which is patterned after the standard mining techniques and infrastructures of...
Decision analysis of barrier placement and targeted removal to control invasive carp in the Tennessee River Basin
Max Post van der Burg, David R. Smith, Aaron R. Cupp, Mark W. Rogers, Duane Chapman
2021, Open-File Report 2021-1068
Controlling range expansion of invasive carp (specifically Hypophthalmichthys spp.) on the Tennessee River is important to conserve the ecological and economic benefits provided by the river. We collaborated with State and Federal agencies (the stakeholder group) to develop a decision framework and decision support model to evaluate strategies to control...
Processing coastal imagery with Agisoft Metashape Professional Edition, version 1.6—Structure from motion workflow documentation
Jin-Si R. Over, Andrew C. Ritchie, Christine J. Kranenburg, Jenna A. Brown, Daniel D. Buscombe, Tom Noble, Christopher R. Sherwood, Jonathan A. Warrick, Phillipe A. Wernette
2021, Open-File Report 2021-1039
IntroductionStructure from motion (SFM) has become an integral technique in coastal change assessment; the U.S. Geological Survey (USGS) used Agisoft Metashape Professional Edition photogrammetry software to develop a workflow that processes coastline aerial imagery collected in response to storms since Hurricane Florence in 2018. This report details step-by-step instructions to...
Cape Romain partnership for coastal protection
Mitchell J. Eaton, Fred A. Johnson, Jessica Mikels-Carrasco, David J. Case, Julien Martin, Bradley Stith, Simeon Yurek, Bradley Udell, Laura Villegas, Laura Taylor, Zulquarnain Haider, Hadi Charkhgard, Changhyun Kwon
2021, Open-File Report 2021-1021
This final report summarizes activities, outcomes, and lessons learned from a 3-year project titled “Climate Change Adaptation for Coastal National Wildlife Refuges” with the Cape Romain National Wildlife Refuge (NWR) and local partners in the surrounding South Carolina Lowcountry. The Lowcountry is classified as the 10-county area encompassing the coastal...
System characterization of Earth observation sensors
2021, Open-File Report 2021-1030
This U.S. Geological Survey Open-File Report provides information from assessments of Earth observation sensors completed by the U.S. Geological Survey Earth Resources Observation and Science Cal/Val Center of Excellence. These reports are provided as independent measures of basic system performance by the Earth Resources Observation and Science Cal/Val Center of...
Fluvial Egg Drift Simulator (FluEgg) user’s manual
Marian M. Domanski, Jessica Z. LeRoy, Michael Berutti, P. Ryan Jackson
2021, Open-File Report 2021-1052
The Fluvial Egg Drift Simulator (FluEgg) was developed to simulate the transport and dispersion of invasive carp eggs and larvae in a river. FluEgg currently (2020) supports modeling of bighead carp (Hypophthalmichthys nobilis), silver carp (H. molitrix), and grass carp (Ctenopharyngodon idella), with the planned addition of black carp (Mylopharyngodon...
System characterization report on the WorldView-3 Imager
Simon J. Cantrell, Jon Christopherson, Cody Anderson, Gregory L. Stensaas, Shankar N. Ramaseri Chandra, Minsu Kim, Seonkyung Park
2021, Open-File Report 2021-1030-I
Executive SummaryThis report addresses system characterization of the Maxar WorldView-3 satellite and is part of a series of system characterization reports produced and delivered by the U.S. Geological Survey Earth Resources Observation and Science Cal/Val Center of Excellence in 2020. These reports present and detail the methodology and procedures for...
System characterization report on the Gaofen-1
Mahesh Shrestha, Aparajithan Sampath, Shankar N. Ramaseri Chandra, Jon Christopherson, Jerad Shaw, Gregory L. Stensaas, Cody Anderson
2021, Open-File Report 2021-1030-B
Executive SummaryThis report addresses system characterization of Gaofen-1 and is part of a series of system characterization reports produced and delivered by the U.S. Geological Survey Earth Resources Observation and Science Cal/Val Center of Excellence in 2020. These reports present the detail methodology and procedures for characterization; present technical and...
System characterization report on the German Aerospace Center (DLR) Earth Sensing Imaging Spectrometer (DESIS)
Mahesh Shrestha, Aparajithan Sampath, Shankar N. Ramaseri Chandra, Jon Christopherson, Jerad Shaw, Cody Anderson
2021, Open-File Report 2021-1030-A
Executive SummaryThis report addresses system characterization of the German Aerospace Center (DLR) Earth Sensing Imaging Spectrometer (DESIS) and is part of a series of system characterization reports produced and delivered by the U.S. Geological Survey Earth Resources Observation and Science Cal/Val Center of Excellence. These reports present the methodology and...
Deposit classification scheme for the Critical Minerals Mapping Initiative Global Geochemical Database
Albert H. Hofstra, Vladimir Lisitsin, Louise Corriveau, Suzanne Paradis, Jan Peter, Kathleen Lauziere, Christopher Lawley, Michael Gadd, Jean-Luc Pilote, Ian Honsberger, Evgeniy Bastrakov, David C. Champion, Karol Czarnota, Michael P. Doublier, David L. Huston, Oliver Raymond, Simon VanDerWielen, Poul Emsbo, Matthew Granitto, Douglas C. Kreiner
2021, Open-File Report 2021-1049
A challenge for the global economy is to meet the growing demand for commodities used in today’s advanced technologies. Critical minerals are commodities (for example, elements, compounds, minerals) deemed vital to the economic and national security of individual countries that are vulnerable to supply disruption. The national geological agencies of...
Impacts of sediment removal from and placement in coastal barrier island systems
Jennifer L. Miselis, James G. Flocks, Sara Zeigler, Davina Passeri, David R. Smith, Jill R. Bourque, Christopher R. Sherwood, Christopher G. Smith, Daniel J. Ciarletta, Kathryn E.L. Smith, Kristen Hart, David C. Kazyak, Alicia Berlin, Bianca Prohaska, Teresa Calleson, Kristi Yanchis
2021, Open-File Report 2021-1062
Executive SummaryOn June 24, 2019, Congressman Raul Grijalva of Arizona, Chair of the House Committee on Natural Resources, sent a letter to the directors of the U.S. Fish and Wildlife Service and the U.S. Geological Survey to request their assistance in answering questions regarding coastal sediment resource management within the...
Synthetic aperture radar and optical mapping used to monitor change and replacement of Phragmites australis marsh in the Lower Mississippi River Delta, Louisiana
Elijah W. Ramsey III, Amina Rangoonwala
2021, Open-File Report 2021-1046
Synthetic aperture radar (SAR) mapping of density as an enhancement of Phragmites australis optical live fractional cover (LFC) mapping was carried out in the lower Mississippi Delta during 2016 to 2019. Also, as part of the study, the replacement of P. australis with elephant-ear was analyzed. To that end, yearly...
Initial estimates of net infiltration and irrigation from a soil-water-balance model of the Mississippi Embayment Regional Aquifer Study Area
Stephen, M. Westenbroek, Martha G. Nielsen, David E. Ladd
2021, Open-File Report 2021-1008
The Mississippi embayment encompasses about 100,000 square miles and covers parts of eight States. In 2016, the U.S. Geological Survey began updating previous work for a part of the embayment known as the Mississippi Alluvial Plain to support informed water use and agricultural policy in the region. Groundwater, water use,...
Effect of groundwater withdrawals, river stage, and precipitation on water-table elevations in the Iowa River alluvial aquifer near Tama, Iowa, 2017–20
Lance R. Gruhn, Adel E. Haj
2021, Open-File Report 2021-1019
The Sac and Fox Tribe of the Mississippi in Iowa is the only federally recognized Tribe in the State of Iowa and is commonly known as the Meskwaki Nation. The Tribe owns more than 8,100 acres, referred to as the “Meskwaki Settlement.” The Meskwaki Settlement uses a well field that...
GIS-based identification of areas that have resource potential for sediment-hosted Pb-Zn deposits in Alaska
Karen D. Kelley, Garth E. Graham, Keith A. Labay, Nora B. Shew
2021, Open-File Report 2020-1147
A state-wide Geographic Information System analysis was conducted to assess prospectivity for lead (Pb) and zinc (Zn) in sediment-hosted deposits in Alaska. The datasets that were utilized include publicly available geospatial datasets of lithologic, geochemical, and mineral occurrence data. Key characteristics of Pb-Zn deposits were identified in available datasets and...
Science needs of southeastern grassland species of conservation concern: A framework for species status assessments
Reed F. Noss, Jennifer M. Cartwright, Dwayne Estes, Theo Witsell, K. Gregg Elliott, Daniel S. Adams, Matthew A. Albrecht, Ryan P. Boyles, Patrick J. Comer, Chris Doffitt, Don Faber-Langendoen, JoVonn G. Hill, William C. Hunter, Wesley M. Knapp, Mike Marshall, Milo Pyne, Jason R. Singhurst, Christopher Tracey, Jeffrey L. Walck, Alan Weakley
2021, Open-File Report 2021-1047
The unglaciated southeastern United States is a biodiversity hotspot, with a disproportionate amount of this biodiversity concentrated in grasslands. Like most hotspots, the Southeast is also threatened by human activities, with the total reduction of southeastern grasslands estimated as 90 percent (upwards to 100 percent for some types) and with...
Summary of oceanographic and water-quality measurements offshore of Matanzas Inlet, Florida, 2018
Marinna A. Martini, Ellyn Montgomery, Steven E. Suttles, John C. Warner
2021, Open-File Report 2021-1014
U.S. Geological Survey (USGS) scientists and technical staff deployed instrumented underwater platforms and buoys to collect oceanographic and atmospheric data at two sites near Matanzas Inlet, Florida, on January 24, 2018, and recovered them on April 13, 2018. Matanzas Inlet is a natural, unmaintained inlet on the Florida Atlantic coast...
Flood of June 30–July 1, 2018, in the Fourmile Creek Basin, near Ankeny, Iowa
Padraic S. O’Shea, Jared C. Vegrzyn, Kimberlee K. Barnes
2021, Open-File Report 2021-1044
Major flooding occurred June 30–July 1, 2018, in the Fourmile Creek Basin in central Iowa after thunderstorm activity over the region. The largest recorded 24-hour precipitation total at a National Oceanic and Atmospheric Administration weather station was 8.72 inches in Ankeny, Iowa, and 7.54 inches in Des Moines, Iowa. A...
Dynamics of endangered sucker populations in Clear Lake Reservoir, California
David A. Hewitt, Brian S. Hayes, Alta C. Harris, Eric C. Janney, Caylen M. Kelsey, Russell W. Perry, Summer M. Burdick
2021, Open-File Report 2021-1043
Executive SummaryIn collaboration with the Bureau of Reclamation, the U.S. Geological Survey began a consistent monitoring program for endangered Lost River suckers (Deltistes luxatus) and shortnose suckers (Chasmistes brevirostris) in Clear Lake Reservoir, California, in fall 2004. The program was intended to improve understanding of the Clear Lake Reservoir...
