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U.S. Geological Survey Core Research Center: A gateway to subsurface discovery for geoscience research
The U.S. Geological Survey (USGS) operates the Core Research Center (CRC) in Denver, Colorado, USA, a public access repository of rock cores from over 9800 wells and drill cuttings from over 53 000 wells, primarily from states in or adjacent to the Rocky Mountain Region. Annually, approximately 1400 visitors use the collection for traditional and innovative research.The CRC has an online, searchab
Authors
Jeannine Honey, Dawn O Ivis
Organic layers preserved in ice patches: A new record of Holocene environmental change on the Beartooth Plateau, USA
Growing season temperatures play a crucial role in controlling treeline elevation at regional to global scales. However, understanding of treeline dynamics in response to long-term changes in temperature is limited. In this study, we analyze pollen, plant macrofossils, and charcoal preserved in organic layers within a 10,400-year-old ice patch and in sediment from a 6000-year-old wetland located a
Authors
Mio Alt, Kathryn Puseman, Craig Lee, Gregory T. Pederson, Joseph R. McConnell, Nathan J. Chellman, David B. McWethy
Global seismic networks operated by the U.S. Geological Survey
The U.S. Geological Survey (USGS) Global Seismographic Network (GSN) Program operates two thirds of the GSN, a network of state‐of‐the‐art, digital seismological and geophysical sensors with digital telecommunications. This network serves as a multiuse scientific facility and a valuable resource for research, education, and monitoring. The other one third of the GSN is funded by the National Scien
Authors
David C. Wilson, Charles R. Hutt, Lind Gee, Adam T. Ringler, Robert E. Anthony
Accounting for spatiotemporal sampling variation in joint species distribution models
Estimating relative abundance is critical for informing conservation and management efforts and for making inferences about the effects of environmental change on populations. Freshwater fisheries span large geographic regions, occupy diverse habitats and consist of varying species assemblages. Monitoring schemes used to sample these diverse populations often result in populations being sampled at
Authors
Joshua S. North, Erin M. Schliep, Gretchen J.A. Hansen, Holly Kundel, Christopher A. Custer, Paul McLaughlin, Tyler Wagner
The smaller, the better? First evaluation of growth and mortality in crayfish internally tagged with p-Chips
Small-bodied aquatic animals present a challenge to researchers seeking to uniquely mark individuals for scientific study. Microtransponder tags, such as p-Chips, represent the smallest electronic animal tags available to meet this need. The use of p-Chips to tag freshwater crayfishes, however, has not been explored. The goal of this study, therefore, was to determine the effects of p-Chip tagging
Authors
Augusto F. Huber, Wesley A. Fitzsimmons, Jacob Thomas Westhoff
Use of multiparameter instruments for routine field measurements
The “National Field Manual for the Collection of Water-Quality Data” (NFM) provides guidelines and procedures for U.S. Geological Survey (USGS) personnel who collect data used to assess the quality of the Nation’s surface-water and groundwater resources. This chapter, NFM A6.8, provides guidance and protocols for the use of multiparameter instruments for routine field measurements, which includes
New England Water Science Center—Bringing quality and reliable water science to New England
The U.S. Geological Survey (USGS) New England Water Science Center provides timely and reliable information to Federal, State, Tribal, and local stakeholders on the water resources of Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. This information product broadly describes the center’s research priorities and monitoring network and how its work benefits the public and
Authors
Katrina Rossos
Glacial vicariance and secondary contact shape demographic histories in a freshwater mussel species complex
Characterizing the mechanisms influencing the distribution of genetic variation in aquatic species can be difficult due to the dynamic nature of hydrological landscapes. In North America’s Central Highlands, a complex history of glacial dynamics, long-term isolation, and secondary contact have shaped genetic variation in aquatic species. Although the effects of glacial history have been demonstrat
Authors
Nathan Johnson, Andrew R. Henderson, Jess W. Jones, Caitlin Beaver, Steve A. Ahlstedt, Gerald R. Dinkins, Nathan L. Eckert, Mark J. Endries, Jeffrey T. Garner, John L. Harris, Paul D. Hartfield, Don W. Hubbs, Timothy W. Lane, Monte A. McGregor, Kendall R. Moles, Cheryl Morrison, Matthew D. Wagner, James D. Williams, Chase H. Smith
Practical guide to measuring wetland carbon pools and fluxes
Wetlands cover a small portion of the world, but have disproportionate influence on global carbon (C) sequestration, carbon dioxide and methane emissions, and aquatic C fluxes. However, the underlying biogeochemical processes that affect wetland C pools and fluxes are complex and dynamic, making measurements of wetland C challenging. Over decades of research, many observational, experimental, and
Authors
Sheel Bansal, Irena F. Creed, Brian Tangen, Scott D. Bridgham, Ankur R. Desai, Ken Krauss, Scott C Neubauer, Gregory Noe, Donald O. Rosenberry, Carl C. Trettin, Kimberly Wickland, Scott T. Allen, Ariane Arias-Ortiz, Anna R. Armitage, Dennis Baldocchi, Kakoli Banerjee, David Bastviken, Peter Berg, Matthew J. Bogard, Alex T. Chow, William H. Conner, Christopher Craft, Courtney Creamer, Tonya Delsontro, Jamie Duberstein, Meagan J. Eagle, M. Siobhan Fennessey, Sarah A. Finkelstein, Mathias Goeckede, Sabine Grunwald, Meghan Halibisky, Ellen R. Herbert, Mohammad Jahangir, Olivia Johnson, Miriam C. Jones, Jeffrey Kelleway, Sarah Knox, Kevin D. Kroeger, Kevin Kuehn, David Lobb, Amanda Loder, Shizhou Ma, Damien Maher, Gavin McNicol, Jacob Meier, Beth A. Middleton, Christopher T. Mills, Purbasha Mistry, Abhijith Mitra, Courtney Mobilian, Amanda M. Nahlik, Sue Newman, Jessica O'Connell, Patty Oikawa, Max Post van der Burg, Charles A Schutte, Chanchung Song, Camille Stagg, Jessica Turner, Rodrigo Vargas, Mark Waldrop, Markus Wallin, Zhaohui Aleck Wang, Eric Ward, Debra A. Willard, Stephanie A. Yarwood, Xiaoyan Zhu
By
Ecosystems Mission Area, Water Resources Mission Area, Florence Bascom Geoscience Center, Geology, Minerals, Energy, and Geophysics Science Center, Geosciences and Environmental Change Science Center, Northern Prairie Wildlife Research Center, Wetland and Aquatic Research Center , Woods Hole Coastal and Marine Science Center
Editorial: Remote sensing of volcanic gas emissions from the ground, air, and space
When magma rises in volcanic systems, volatile species exsolve from the melt and are outgassed to the atmosphere. The melt composition and temperature, depth at which degassing occurs, extent of gas-water-rock interactions, and volume of ascending magma are all factors that determine the composition and rate of gas emissions at the surface. Interpreted in a petrological framework, gas measurements
Authors
Christoph Kern, Santiago Arellano, Robin Campion, Silvana Hidalgo, Ryunosuke Kazahaya
At what scales does a river meander? Scale-specific sinuosity (S3) metric for quantifying stream meander size distribution
Stream bend geometry is linked to terrain features, hydrologic and ecologic conditions, and anthropogenic forces. Knowledge of the distributions of geometric properties of streams advances understanding of changing landscape conditions and associated processes that operate over a range of spatial scales. Statistical decomposition of sinuosity in natural linear features has proven a longstanding ch
Authors
Larry Stanislawski, Barry J. Kronenfeld, Barbara P. Buttenfield, Ethan J. Shavers
Space-based Earth observation and ecosystem extent: Exploring opportunities
The purpose of this white paper is to explore and communicate potential new opportunities for using space-based Earth observation (EO) for monitoring biodiversity with a focus on ecosystem extent (the distribution of ecosystems on the Earth). It is part of a new activity of the Committee on Earth Observation Satellites (CEOS), a collaboration of the world’s space agencies that facilitates cross-ag
Authors
Gary Geller, Shaun Levick, Sandra Luque, Roger Sayre, Andreas Brink, Nicholas Coops, Sylvie Durrieu, Judith Ewald, Hannes Feilhauer, Jean-Baptiste Feret, Simon Ferrier, Miroslav Honzák, Dino Lenco, Amanda Koltz, Nikhil Lele, Shea Lombardo, Miguel Mahecha, Carsten Meyer, Marc Paganini, Cassidy Rankine, Duccio Rocchini, Amy Rosenthal, Maria J. Santos, Lucie Viciano