Mapping climate change vulnerability of aquatic-riparian ecosystems using decision-relevant indicators
John Delaney, Kristen L. Bouska, Josh D. Eash, Patricia J. Heglund, Andrew A Allstadt
2021, Ecological Indicators (125)
Climate change has and is projected to continue to alter historical regimes of temperature, precipitation, and hydrology. To assess the vulnerability of climate change from a land management perspective and spatially identify where the most extreme changes are anticipated to occur,...
The Robinson Forest environmental monitoring network: Long‐term evaluation of streamflow and precipitation quantity and stream‐water and bulk deposition chemistry in eastern Kentucky watersheds
Kenton Sena, Chris D. Barton, Tanja N. Williamson
2021, Hydrological Processes (35)
The University of Kentucky (U KY) has owned Robinson Forest (37.460723° N, 83.158598° W) since 1923, conducting experiments crucial to understanding the environmental effects of land management in the region. Part of the management of Robinson Forest has been collection of environmental data, including precipitation quantity, bulk‐deposition chemistry, streamflow, stream‐water...
A comparison between generalized least squares regression and top-kriging for homogeneous cross-correlated flood regions
Persiano Simone, Jose Luis Salinas, Jery Russell Stedinger, William H. Farmer, David Lun, Alberto Viglione, Gunter Bloschl, Attilio Castellarin
2021, Hydrological Sciences Journal (66) 565-579
Spatial cross-correlation among flood sequences impacts the accuracy of regional predictors. Our study investigates this impact for two regionalization procedures, generalized least squares (GLS) regression and top-kriging (TK), which deal with cross-correlation in two fundamentally different ways and therefore might be associated with different accuracy and uncertainty...
Machine learning models of arsenic in private wells throughout the conterminous United States as a tool for exposure assessment in human health studies
Melissa A. Lombard, Molly Scannell Bryan, Daniel K. Jones, Catherine Bulka, Paul M. Bradley, Lorraine C. Backer, Michael J. Focazio, Debra T. Silverman, Patricia Toccalino, Maria Argos, Matthew O. Gribble, Joseph D. Ayotte
2021, Environmental Science and Technology (55) 5012-5023
Arsenic from geologic sources is widespread in groundwater within the United States (U.S.). In several areas, groundwater arsenic concentrations exceed the U.S. Environmental Protection Agency maximum contaminant level of 10 μg per liter (μg/L). However, this standard applies only to public-supply...
Trolley Operated Automatic Discharge System (TOADS)—An automated system for horizontal profiling of water velocity and river discharge measurements
Kevin K. Johnson, Clayton J. Bosch
2021, Fact Sheet 2021-3008
Hydroacoustics have revolutionized how the U.S. Geological Survey (USGS) measures streamflow by increasing the efficiency and quality of the measurement. However, the ability to determine the full range of streamflow at a streamflow-gaging station remains limited because in-person flow measurements still must be made by qualified personnel. As a result,...
Assessment of water availability in the Osage Nation using an integrated hydrologic-flow model
Jonathan P. Traylor, Shana L. Mashburn, Randall T. Hanson, Steven M. Peterson
2021, Scientific Investigations Report 2020-5141
The Osage Nation of northeastern Oklahoma, conterminous with Osage County, covers about 2,900 square miles. The area is primarily rural with 62 percent of the land being native prairie grass, and much of the area is used for cattle ranching and extraction of petroleum and natural gas. Protection of water...
Hydrogeology and model-simulated groundwater availability in the Salt Fork Red River aquifer, southwestern Oklahoma, 1980–2015
S. Jerrod Smith, John H. Ellis, Nicole Paizis, Carol Becker, Derrick L. Wagner, Jessica S. Correll, R. Jacob Hernandez
2021, Scientific Investigations Report 2021-5003
The 1973 Oklahoma Water Law (82 OK Stat § 82-1020.5) requires that the Oklahoma Water Resources Board (OWRB) conduct hydrologic investigations of the State’s groundwater basins to support a determination of the maximum annual yield for each groundwater basin (hereinafter referred to as an “aquifer”). The maximum annual yield allocated...
The evolving perceptual model of streamflow generation at the Panola Mountain Research Watershed
Brent T. Aulenbach, Richard P Hooper, H. J. van Meerveld, Douglas A. Burns, James E. Freer, James B. Shanley, Thomas G. Huntington, Jeffery J. McDonnell, Norman E. Peters
2021, Hydrological Processes (35)
The Panola Mountain Research Watershed (PMRW) is a 41‐hectare forested catchment within the Piedmont Province of the Southeastern United States. Observations, experimentation, and numerical modelling have been conducted at Panola over the past 35 years. But to date, these studies have not been fully incorporated into a more comprehensive synthesis. Here...
Landscape level effects of invasive plants and animals on water infiltration through Hawaiian tropical forests
Lucas Fortini, Christina Leopold, Kimberlie Perkins, Oliver A. Chadwick, Stephanie G. Yelenik, James D. Jacobi, Kaiena Bishaw, Makani Gregg
2021, Biological Invasions (23) 2155-2172
Watershed degradation due to invasion threatens downstream water flows and associated ecosystem services. While this topic has been studied across landscapes that have undergone invasive-driven state changes (e.g., native forest to invaded grassland), it is less well understood in ecosystems experiencing within-system invasion (e.g. native forest...
Linking altered flow regimes to biological condition: An example using benthic macroinvertebrates in small streams of the Chesapeake Bay watershed
Kelly O. Maloney, Daren M. Carlisle, Claire Buchanan, Jennifer L. Rapp, Samuel H. Austin, Matthew J. Cashman, John A. Young
2021, Environmental Management (67) 1171-1185
Regionally scaled assessments of hydrologic alteration for small streams and its effects on freshwater taxa are often inhibited by a low number of stream gages. To overcome this limitation, we paired modeled estimates of hydrologic alteration to a benthic macroinvertebrate index of biotic integrity data for 4522 stream reaches across...
Pore water exchange-driven inorganic carbon export from intertidal salt marshes
Joseph Tamborski, Meagan J. Eagle, Barret L. Kurylyk, Kevin D. Kroeger, Zhaoihui Wang, Paul Henderson, Matthew Charette
2021, Limnology and Oceanography (66) 1774-1792
Respiration in intertidal salt marshes generates dissolved inorganic carbon (DIC) that is exported to the coastal ocean by tidal exchange with the marsh platform. Understanding the link between physical drivers of water exchange and chemical flux is a key to constraining coastal wetland contributions to regional...
Numerical analysis of the effect of subgrid variability in a physically based hydrological model on runoff, soil moisture, and slope stability
E. Leonarduzzi, R. M. Maxwell, Benjamin B. Mirus, P. Molnar
2021, Water Resources Research (57)
In coarse resolution hydrological modeling we face the problem of subgrid variability, the effects of which are difficult to express and are often hidden in the parameterization and calibration. We present a numerical experiment with the physically based hydrological model ParFlow‐CLM with which we quantify the effect of subgrid heterogeneities...
Assessment of peak flow scaling and Its effect on flood quantile estimation in the United Kingdom
Giuseppe Formetta, Thomas M. Over, Elizabeth Stewart
2021, Water Resources Research (57)
Regional flood frequency analysis (RFFA) methods are essential tools to assess flood hazard and plan interventions for its mitigation. They are used to estimate flood quantiles when the at‐site record of streamflow data is not available or limited. One commonly used RFFA method is the index flood method (IFM), which...
Simulation of dissolved organic carbon flux in the Penobscot Watershed, Maine
Shabnam Rouhani, Crystal B. Schaaf, Thomas G. Huntington, Janet Choate
2021, Ecohydrology & Hydrobiology (21) 256-270
Dissolved organic carbon (DOC) is an important component of the carbon cycle as a measure of the hydrological transport of carbon between terrestrial carbon pools into soil pools and eventually into streams. As a result, changes in DOC in rivers and streams may indicate alterations in the storage of terrestrial...
Incorporating the effects of complex soil layering and thickness local variability into distributed landslide susceptibility assessments
F. Fusco, Benjamin B. Mirus, Rex L. Baum, D. Calcaterra, P. De Vita
2021, Water (13)
Incorporating the influence of soil layering and local variability into the parameterizations of physics-based numerical models for distributed landslide susceptibility assessments remains a challenge. Typical applications employ substantial simplifications including homogeneous soil units and soil-hydraulic properties assigned based only on average textural classifications; the potential impact of these assumptions is...
Characterization of groundwater recharge and flow in California's San Joaquin Valley from InSAR-observed surface deformation
W.R. Neely, A.A. Borsa, J.A. Burney, M.C. Levy, F. Silverii, Michelle Sneed
2021, Water Resources Research (57)
Surface deformation in California's Central Valley (CV) has long been linked to changes in groundwater storage. Recent advances in remote sensing have enabled the mapping of CV deformation and associated changes in groundwater resources at increasingly higher spatiotemporal resolution. Here, we use interferometric synthetic aperture radar...
Procedures for field data collection, processing, quality assurance and quality control, and archiving of relative- and absolute-gravity surveys
Jeffrey R. Kennedy, Donald R. Pool, Robert L. Carruth
2021, Techniques and Methods 2-D4
Repeat microgravity surveys carried out using relative- and absolute-gravity meters are useful for identifying changes in subsurface mass, such as the volume of water stored in an aquifer. These surveys require careful field procedures to achieve the part-per-billion accuracy required to measure the small changes in gravity relevant for hydrologic...
Compilation of information on occurrence and conservation status for the freshwater mussel fauna of Nebraska, Kansas, and Oklahoma
Natasha B. Carr, Tammy S. Fancher
2021, Data Series 1133
The purpose of this data series is to compile information on the occurrence and conservation status of the freshwater mussel fauna of Nebraska, Kansas, and Oklahoma and to map the distribution of a freshwater mussel assemblage for the U.S. Department of the Interior, Bureau of Land Management Rapid Ecoregional Assessment...
Cloud water interception in Hawai‘i: Developing capacity to characterize the spatial patterns and effects on water and ecological processes responses in Hawai‘i
Han Tseng, Lucas Fortini, Alan Mair, Aurora Kagawa-Viviani, Stephanie G. Yelenik, Yoshiyuki Miyazawa, Michael A Nullet, Joseph Kennedy, John DeLay, Christina Leopold, Thomas Giambelluca
2021, Report, Pacific Island Climate Adaptation Science Center Final Technical Report
Cloud-water interception (CWI) is the process by which fog or cloud water droplets are captured and accumulate on the leaves and branches of plants, some of which drips to the ground. Prior studies in Hawai'i indicate that CWI is highly variable and can contribute substantially to total precipitation. In this...
The influence of land cover and storm magnitude on hydrologic flowpath activation and runoff generation in steep tropical catchments of central Panama
Andrew L. Birch, Robert Stallard, Sidney A. Bush, Holly R. Barnard
2021, Journal of Hydrology (596)
Despite abundant research documenting that land use/land cover (LULC) have substantial impacts on the hydrology of humid tropical systems, field-based evidence for the physical mechanisms behind these impacts are still lacking. In particular, our understanding of the hydrologic flowpaths that generate runoff in these...
Volcanic Aquifers of Hawai‘i—Construction and calibration of numerical models for assessing groundwater availability on Kaua‘i, O‘ahu, and Maui
Scot K. Izuka, Kolja Rotzoll, Tracy Nishikawa
2021, Scientific Investigations Report 2020-5126
Steady-state numerical groundwater-flow models were constructed for the islands of Kaua‘i, O‘ahu, and Maui to enable quantification of the hydrologic consequences of withdrawals and other stresses that can place limits on groundwater availability. The volcanic aquifers of Hawai‘i supply nearly all drinking water for the islands’ residents, freshwater for diverse...
Long-term ecosystem and biogeochemical research in Loch Vale watershed, Rocky Mountain National Park, Colorado
Jill S. Baron, David W. Clow, Isabella A. Oleksy, Timothy Weinmann, Caitlin Charlton, Amanda Jayo
2021, Hydrological Processes (35)
Loch Vale watershed was instrumented in 1983 with initial support from the National Acid Precipitation Assessment Program to ask whether ecosystems of Rocky Mountain National Park (RMNP) were affected by acidic atmospheric deposition. Research and monitoring activities were expanded in 1991 by the U.S. Geological Survey...
Temporal influences on selenium partitioning, trophic transfer, and exposure in a major U.S. river
Jessica E Brandt, James Roberts, Craig A. Stricker, Holly Rogers, Patricia Nease, Travis S. Schmidt
2021, Environmental Science and Technology (55) 3645-3656
Hydrologic and irrigation regimes mediate the timing of selenium (Se) mobilization to rivers, but the extent to which patterns in Se uptake and trophic transfer through recipient food webs reflect the temporal variation in Se delivery is unknown. We investigated Se mobilization, partitioning, and trophic transfer along approximately 60 river...
NASA's surface biology and geology designated observable: A perspective on surface imaging algorithms
Kerry Cawse-Nicholson, Philip A. Townsend, David Schimel, Ali M Assiri, Pamela L. Blake, Maria Fabrizia Buongiorno, Petya Campbell, Nimrod Carmon, Kimberly Ann Casey, Rosa Elvira Correa-Pabon, Kyla M. Dahlin, Hamid Dashti, Philip Dennison, Heidi Dierrsen, Adam Erickson, Joshua B. Fisher, Robert Frouin, Charles K. Gatebe, Hamed Gholizadeh, Michelle M. Gierach, Nancy F. Glenn, James A. Goodman, Daniel Mark Griffith, Liane Guild, Christopher R. Hakkenberg, Eric J. Hochberg, Thomas R.H. Holmes, Chaunmin Hu, Glynn Hulley, Karl F. Huemmrich, Raphael M. Kudela, Raymond F. Kokaly, Christine M. Lee, Roberta E. Martin, Charles E. Miller, Wesley J. Moses, Frank E. Muller-Karger, Joseph P. Ortiz, Daniel B. Otis, Nima Pahlevan, Thomas H. Painter, Ryan Pavlick, Benjamin Poulter, Yi Qi, Vincent J. Realmuto, Dar A. Roberts, Michael E. Schaepman, Fabian D Schneider, Florian M. Schwandner, Shawn P. Serbin, Alexey N. Shiklomanov, E. Natasha Stavros, David R. Thompson, Juan L. Torres-Perez, Kevin R. Turpie, Maria Tzortziou, Susan L. Ustin, Qian Yu, Yusri Yusup, Qingyuan Zhang, The SBG Algorithms Working Group Community
2021, Remote Sensing of Environment (257)
The 2017–2027 National Academies' Decadal Survey, Thriving on Our Changing Planet, recommended Surface Biology and Geology (SBG) as a “Designated Targeted Observable” (DO). The SBG DO is based on the need for capabilities to acquire global, high spatial resolution, visible to shortwave...
Determination of vadose zone and saturated zone nitrate lag times using long-term groundwater monitoring data and statistical machine learning
Martin J. Wells, Troy E. Gilmore, Natalie Nelson, Aaron Mittelstet, J.K. Bohlke
2021, Hydrology and Earth System Sciences (25) 811-829
In this study, we explored the use of statistical machine learning and long-term groundwater nitrate monitoring data to estimate vadose zone and saturated zone lag times in an irrigated alluvial agricultural setting. Unlike most previous statistical machine learning studies that sought to predict groundwater nitrate concentrations within aquifers, the focus...
