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The ten USGS Science Centers in the Southwest Region produce hundreds of USGS-series publications, journal papers, and books each year that are subject to rigorous peer review. The publications listed below, from Southwest Center staff members, are compiled from the USGS Publications Warehouse.

Filter Total Items: 25

Soil surface treatments and precipitation timing determine seedling development across southwestern US restoration sites

Restoration in dryland ecosystems often has poor success due to low and variable water availability, degraded soil conditions, and slow plant community recovery rates. Restoration treatments can mitigate these constraints but, because treatments and subsequent monitoring are typically limited in space and time, our understanding of their applicability across broader environmental gradients remains
Hannah Lucia Farrell, Seth M. Munson, Bradley J. Butterfield, Michael C. Duniway, Aksasha M Faist, Elise S Gornish, Caroline Havrilla, Loralee Larios, Sasha C. Reed, Helen I Rowe, Katherine M. Laushman, Molly L. McCormick

Addressing stakeholder science needs for integrated drought science in the Colorado River Basin

Stakeholders need scientific data, analysis, and predictions of how drought the will impact the Colorado River Basin in a format that is continuously updated, intuitive, and easily accessible. The Colorado River Basin Actionable and Strategic Integrated Science and Technology Pilot Project was formed to demonstrate the effectiveness of addressing complex problems through stakeholder involvement an
Anne C. Tillery, Sally House, Rebecca J. Frus, Sharon L. Qi, Daniel Jones, William J. Andrews

Approaches for assessing long-term annual yields of highway and urban runoff in selected areas of California with the Stochastic Empirical Loading and Dilution Model (SELDM)

The California Department of Transportation, commonly known as CalTrans, and other municipal separate storm sewer system permittees in California as well as other State departments of transportation nationwide need information about potential loads and yields (loads per unit area) of constituents of concern in stormwater runoff and discharges from stormwater best management practices (BMPs). Altho
Gregory E. Granato, Paul J. Friesz

USGS National Water Quality Monitoring Network

What is the U.S. Geological Survey National Water Quality Monitoring Network?Understanding the water quality of U.S. streams and rivers requires consistent data collection and analysis over decades. The U.S. Geological Survey’s (USGS) National Water Quality Network (NWQN) was established to facilitate national-scale understanding of surface-water quality conditions through the collection of compar
Melissa L. Riskin, Casey J. Lee

Evaluation and application of the Purge Analyzer Tool (PAT) to determine in-well flow and purge criteria for sampling monitoring wells at the Stringfellow Superfund site in Jurupa Valley, California, in 2017

The U.S. Geological Survey and U.S. Environmental Protection Agency are developing analytical tools to assess the representativeness of groundwater samples from fractured-rock aquifers. As part of this effort, monitoring wells from the Stringfellow Superfund site in Jurupa Valley in Riverside County, California, approximately 50 miles east of Los Angeles, were field tested to collect information t
Philip T. Harte, Tomas Perina, Kent Becher, Herb Levine, Daewon Rojas-Mickelson, Lesley Walther, Anthony A. Brown

Multi-region assessment of chemical mixture exposures and predicted cumulative effects in USA wadeable urban/agriculture-gradient streams

Chemical-contaminant mixtures are widely reported in large stream reaches in urban/agriculture-developed watersheds, but mixture compositions and aggregate biological effects are less well understood in corresponding smaller headwaters, which comprise most of stream length, riparian connectivity, and spatial biodiversity. During 2014–2017, the U.S. Geological Survey (USGS) measured 389 unique orga

Paul Bradley, Celeste A. Journey, Kristin Romanok, Sara Breitmeyer, Daniel T. Button, Daren M. Carlisle, Bradley Huffman, Barbara Mahler, Lisa H. Nowell, Sharon L. Qi, Kelly Smalling, Ian R. Waite, Peter C. Van Metre

Assessing the impact of drought on arsenic exposure from private domestic wells in the conterminous United States

This study assesses the potential impact of drought on arsenic exposure from private domestic wells by using a previously developed statistical model that predicts the probability of elevated arsenic concentrations (>10 μg per liter) in water from domestic wells located in the conterminous United States (CONUS). The application of the model to simulate drought conditions used systematically reduce
Melissa Lombard, Johnni Daniel, Zuha Jeddy, Lauren Hay, Joseph D. Ayotte

Mapping metabolic activity at single cell resolution in intact volcanic fumarole soil

Interactions among microorganisms and their mineralogical substrates govern the structure, function, and emergent properties of microbial communities. These interactions are predicated on spatial relationships, which dictate metabolite exchange and access to key substrates. To quantitatively assess links between spatial relationships and metabolic activity, this study presents a novel approach to
Jeffrey J. Marlow, Isabella Colocci, Sean Jungbluth, Nils Moritz Weber, Amy Gartman, Jens Kallmeyer

A new technique to calculate earthquake stress transfer and to forecast aftershocks

Coseismic stress changes have been the primary physical principle used to explain aftershocks and triggered earthquakes. However, this method does not adequately forecast earthquake rates and diverse rupture populations when subjected to formal testing. We show that earthquake forecasts can be impaired by assumptions made in physics-based models, such as the existence of hypothetical optimal fault
Margarita Segou, Thomas E. Parsons

Blind testing of shoreline evolution models

Beaches around the world continuously adjust to daily and seasonal changes in wave and tide conditions, which are themselves changing over longer time-scales. Different approaches to predict multi-year shoreline evolution have been implemented; however, robust and reliable predictions of shoreline evolution are still problematic even in short-term scenarios (shorter than decadal). Here we show res
Jennifer Montaño, Giovanni Coco, Jose Antolinez, Tomas Beuzen, Karin Bryan, Laura Cagigal, Bruno Castelle, Mark Davidson, Evan B. Goldstein, Raimundo Ibaceta, Déborah Idier, Bonnie C. Ludka, Sina Masoud-Ansari, Fernando Mendez, A. Brad Murray, Nathaniel G. Plant, Katherine Ratlif, Arthur Robinet, Ana Rueda, Nadia Sénéchal, Joshua Simmons, Kristen Splinter, Scott Stephens, Ian Townend, Sean Vitousek, Kilian Vos

Geographic and oceanographic influences on ferromanganese crust composition along a Pacific Ocean meridional transect, 14N to 14S

The major controls on the variability of ferromanganese (FeMn) crust composition have been generally described over the past 40 years; however, most compilation studies lack quantitative statistics and are limited to a small region of several seamounts or compare FeMn crusts from disparate areas of the global oceans. This study provides the first detailed research to address the geographic and ocea
Kira Mizell, James R. Hein, Phoebe J. Lam, Anthony A.P. Koppers, Hubert Staudigel

National assessment of shoreline change — Historical shoreline change along the north coast of Alaska, Icy Cape to Cape Prince of Wales

Beach erosion is a persistent problem along most open-ocean shores of the United States. Along the Arctic coast of Alaska, coastal erosion is widespread and threatens communities, defense and energy-related infrastructure, and coastal habitat. As coastal populations continue to expand and infrastructure and habitat are increasingly threatened by erosion, there is increased demand for accurate info

Ann E. Gibbs, Alexander G. Snyder, Bruce M. Richmond