Search Results - "Wolock, David M"
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1
Past and Projected Future Droughts in the Upper Colorado River Basin
Published in Geophysical research letters (16-03-2024)“…Drought has affected much of the western United States since about the year 2000, including the Upper Colorado River Basin (UCRB). Using a time series of UCRB…”
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Estimating Discharge and Nonpoint Source Nitrate Loading to Streams From Three End‐Member Pathways Using High‐Frequency Water Quality Data
Published in Water resources research (01-12-2017)“…Abstract The myriad hydrologic and biogeochemical processes taking place in watersheds occurring across space and time are integrated and reflected in the…”
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3
Alteration of streamflow magnitudes and potential ecological consequences: a multiregional assessment
Published in Frontiers in ecology and the environment (01-06-2011)“…Human impacts on watershed hydrology are widespread in the US, but the prevalence and severity of stream-flow alteration and its potential ecological…”
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Water balance of the turn-of-the-century drought in the Southwestern United States
Published in Environmental research letters (01-04-2021)“…Abstract Analysis of the water balance of the southwestern United States (SWUS) during 1900 through 2018 was used to evaluate the magnitude of the…”
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Warming may create substantial water supply shortages in the Colorado River basin
Published in Geophysical research letters (01-11-2007)“…The high demand for water, the recent multiyear drought (1999–2007), and projections of global warming have raised questions about the long‐term sustainability…”
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Predicting the natural flow regime: models for assessing hydrological alteration in streams
Published in River research and applications (01-02-2010)“…Understanding the extent to which natural streamflow characteristics have been altered is an important consideration for ecological assessments of streams…”
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A step increase in streamflow in the conterminous United States
Published in Geophysical research letters (01-12-2002)“…Annual minimum, median, and maximum daily streamflow for 400 sites in the conterminous United States (U.S.), measured during 1941–1999, were examined to…”
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Independent effects of temperature and precipitation on modeled runoff in the conterminous United States
Published in Water resources research (01-11-2011)“…A water‐balance model is used to simulate time series of water‐year runoff for 4 km × 4 km grid cells for the conterminous United States during the 1900–2008…”
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Water balance characterization of the early 21st century drought in the western United States
Published in Journal of the American Water Resources Association (01-10-2023)“…Abstract Monthly temperature and precipitation data for 923 United States Geological Survey 8‐digit hydrologic units are used as inputs to a monthly water…”
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10
Multi‐year hydroclimatic droughts and pluvials across the conterminous United States
Published in International journal of climatology (15-03-2021)“…Time series of water‐year runoff for 2,109 hydrologic units (HUs) across the conterminous United States (CONUS) for the 1900 through 2014 period were used to…”
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11
Warming is Driving Decreases in Snow Fractions While Runoff Efficiency Remains Mostly Unchanged in Snow-Covered Areas of the Western United States
Published in Journal of hydrometeorology (01-05-2018)“…Winter snowfall and accumulation is an important component of the surface water supply in the western United States. In these areas, increasing winter…”
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Spatial and temporal patterns in conterminous United States streamflow characteristics
Published in Geophysical research letters (16-10-2014)“…Spatial and temporal patterns in annual and seasonal minimum, mean, and maximum daily streamflow values were examined for a set of 516 reference stream gauges…”
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13
The Water‐Year Water Balance of the Colorado River Basin
Published in Journal of the American Water Resources Association (01-08-2020)“…Model‐estimated monthly water balance components (i.e., potential evapotranspiration, actual evapotranspiration, and runoff (R)) for 146 United States (U.S.)…”
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14
Controls on old and new water contributions to stream flow at some nested catchments in Vermont, USA
Published in Hydrological processes (28-02-2002)“…Factors controlling the partitioning of old and new water contributions to stream flow were investigated for three events in four catchments (three of which…”
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15
Long-term variability in Northern Hemisphere snow cover and associations with warmer winters
Published in Climatic change (01-03-2010)“…A monthly snow accumulation and melt model is used with gridded monthly temperature and precipitation data for the Northern Hemisphere to generate time series…”
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16
Hydrologic implications of GRACE satellite data in the Colorado River Basin
Published in Water resources research (01-12-2015)“…Use of GRACE (Gravity Recovery and Climate Experiment) satellites for assessing global water resources is rapidly expanding. Here we advance application of…”
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17
Vulnerability of Streams to Legacy Nitrate Sources
Published in Environmental science & technology (16-04-2013)“…The influence of hydrogeologic setting on the susceptibility of streams to legacy nitrate was examined at seven study sites having a wide range of base flow…”
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18
A Database of Natural Monthly Streamflow Estimates from 1950 to 2015 for the Conterminous United States
Published in Journal of the American Water Resources Association (01-12-2018)“…Quantifying and understanding the natural streamflow regime, defined as expected streamflow that would occur in the absence of anthropogenic modification to…”
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19
Hydro‐Climatic Drought in the Delaware River Basin
Published in Journal of the American Water Resources Association (01-12-2020)“…The Delaware River Basin (DRB) supplies water to approximately 15 million people and is essential to agriculture and industry. In this study, a monthly water…”
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Variability and Trends in Runoff Efficiency in the Conterminous United States
Published in Journal of the American Water Resources Association (01-10-2016)“…Variability and trends in water‐year runoff efficiency (RE) — computed as the ratio of water‐year runoff (streamflow per unit area) to water‐year precipitation…”
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