Search Results - "HODGKINS, Glenn"

The importance of record length in estimating the magnitude of climatic changes: an example using 175 years of lake ice-out dates in New England by Hodgkins, Glenn A.

“…Many studies have shown that lake ice-out (break-up) dates in the Northern Hemisphere are useful indicators of late winter/early spring climate change. Trends…”
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Climate Driven Trends in Historical Extreme Low Streamflows on Four Continents by Hodgkins, Glenn A., Renard, Benjamin, Whitfield, Paul H., Laaha, Gregor, Stahl, Kerstin, Hannaford, Jamie, Burn, Donald H., Westra, Seth, Fleig, Anne K., Araújo Lopes, Walszon Terllizzie, Murphy, Conor, Mediero, Luis, Hanel, Martin

“…Understanding temporal trends in low streamflows is important for water management and ecosystems. This work focuses on trends in the occurrence rate of…”
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Going Beyond Low Flows: Streamflow Drought Deficit and Duration Illuminate Distinct Spatiotemporal Drought Patterns and Trends in the U.S. During the Last Century by Hammond, John C., Simeone, Caelan, Hecht, Jory S., Hodgkins, Glenn A., Lombard, Melissa, McCabe, Greg, Wolock, Dave, Wieczorek, Michael, Olson, Carolyn, Caldwell, Todd, Dudley, Rob, Price, Adam N.

“…Streamflow drought is a recurring challenge, and understanding spatiotemporal patterns of past droughts is needed to manage future water resources. We examined…”
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The consequences of neglecting reservoir storage in national‐scale hydrologic models: An appraisal of key streamflow statistics by Hodgkins, Glenn A., Over, Thomas M., Dudley, Robert W., Russell, Amy M., LaFontaine, Jacob H.

“…A better understanding of modeled streamflow errors related to basin reservoir storage is needed for large regions, which normally have many ungaged basins…”
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Streamflow changes in Alaska between the cool phase (1947–1976) and the warm phase (1977–2006) of the Pacific Decadal Oscillation: The influence of glaciers by Hodgkins, Glenn A

“…Streamflow data from 35 stations in and near Alaska were analyzed for changes between the cool phase (1947-1976) and the warm phase (1977-2006) of the Pacific…”
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Historical summer base flow and stormflow trends for New England rivers by Hodgkins, Glenn A., Dudley, Robert W.

“…River base flow is important to aquatic ecosystems, particularly because of its influence on summer water temperatures. Summer (June through September) daily…”
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A hydrologic perspective of major U.S. droughts by McCabe, Gregory J., Wolock, David M., Lombard, Melissa, Dudley, Robert W., Hammond, John C., Hecht, Jory S., Hodgkins, Glenn A., Olson, Carolyn, Sando, Roy, Simeone, Caelan, Wieczorek, Mike

“…Drought is a recurring natural hazard that has substantial human and environmental impacts. Given continued global warming and associated climate change, there…”
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Groundwater recharge in northern New England: Meteorological drivers and relations with low streamflow by Crossett, Caitlin C., Hodgkins, Glenn A., Menk, Hadley, Dupigny‐Giroux, Lesley‐Ann L., Dudley, Robert, Lemcke‐Stampone, Mary, Hammond, John

“…Meteorological drivers of groundwater recharge for spring (February–June), fall (October–January), and recharge‐year (October–June) recharge seasons were…”
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Changes in the timing of winter–spring streamflows in eastern North America, 1913–2002 by Hodgkins, Glenn A., Dudley, Robert W.

“…Changes in the timing and magnitude of winter‐spring streamflows were analyzed for gaging stations in eastern North America north of 41° north latitude during…”
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Reference hydrologic networks I. The status and potential future directions of national reference hydrologic networks for detecting trends by Whitfield, Paul H., Burn, Donald H., Hannaford, Jamie, Higgins, Hélène, Hodgkins, Glenn A., Marsh, Terry, Looser, Ulrich

“…Identifying climate-driven trends in river flows on a global basis is hampered by a lack of long, quality time series data for rivers with relatively…”
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Forecasting the Probability of Future Groundwater Levels Declining Below Specified Low Thresholds in the Conterminous U.S by Dudley, Robert W., Hodgkins, Glenn A., Dickinson, Jesse E.

“…We present a logistic regression approach for forecasting the probability of future groundwater levels declining or maintaining below specific…”
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Comparing Trends in Modeled and Observed Streamflows at Minimally Altered Basins in the United States by Hodgkins, Glenn A., Dudley, Robert W., Russell, Amy M., LaFontaine, Jacob H.

“…We compared modeled and observed streamflow trends from 1984 to 2016 using five statistical transfer models and one deterministic, distributed-parameter,…”
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Changes in the Proportion of Precipitation Occurring as Snow in New England (1949–2000) by Huntington, Thomas G., Hodgkins, Glenn A., Keim, Barry D., Dudley, Robert W.

“…The ratio of snow to total precipitation (S/P) is a hydrologic indicator that is sensitive to climate variability and can be used to detect and monitor…”
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Historical Groundwater Trends in Northern New England and Relations with Streamflow and Climatic Variables by Dudley, Robert W., Hodgkins, Glenn A.

“…Water‐level trends spanning 20, 30, 40, and 50 years were tested using month‐end groundwater levels in 26, 12, 10, and 3 wells in northern New England (Maine,…”
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Reference hydrologic networks II. Using reference hydrologic networks to assess climate-driven changes in streamflow by Burn, Donald H, Hannaford, Jamie, Hodgkins, Glenn A, Whitfield, Paul H, Thorne, Robin, Marsh, Terry

“…Reference hydrologic networks (RHNs) can play an important role in monitoring for changes in the hydrological regime related to climate variation and change…”
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Historical changes in lake ice‐out dates as indicators of climate change in New England, 1850–2000 by Hodgkins, Glenn A., James, Ivan C., Huntington, Thomas G.

“…Various studies have shown that changes over time in spring ice‐out dates can be used as indicators of climate change. Ice‐out dates from 29 lakes in New…”
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Extreme events, trends, and variability in Northern Hemisphere lake-ice phenology (1855–2005) by Benson, Barbara J., Magnuson, John J., Jensen, Olaf P., Card, Virginia M., Hodgkins, Glenn, Korhonen, Johanna, Livingstone, David M., Stewart, Kenton M., Weyhenmeyer, Gesa A., Granin, Nick G.

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Changes in late-winter snowpack depth, water equivalent, and density in Maine, 1926-2004 by Hodgkins, Glenn A., Dudley, Robert W.

“…Twenty‐three snow‐course sites in and near Maine, USA, with records spanning at least 50 years through to 2004 were tested for changes over time in snowpack…”
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Changes in the number and timing of days of ice-affected flow on northern New England rivers, 1930-2000 by HODGKINS, Glenn A, DUDLEY, Robert W, HUNTINGTON, Thomas G

“…Historical dates of ice-affected flows for 16 rural, unregulated rivers in northern New England, USA were analyzed. The total annual days of ice-affected flow…”
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Change points in annual peak streamflows: Method comparisons and historical change points in the United States by Ryberg, Karen R., Hodgkins, Glenn A., Dudley, Robert W.

“…•Parametric change-point methods did not work well for peak streamflows.•The Pettitt test had a better false positive rate than other nonparametric…”
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