Search Results - "Magnuson, John"

Widespread loss of lake ice around the Northern Hemisphere in a warming world by Sharma, Sapna, Blagrave, Kevin, Magnuson, John J., O’Reilly, Catherine M., Oliver, Samantha, Batt, Ryan D., Magee, Madeline R., Straile, Dietmar, Weyhenmeyer, Gesa A., Winslow, Luke, Woolway, R. Iestyn

“…Ice provides a range of ecosystem services—including fish harvest 1 , cultural traditions 2 , transportation 3 , recreation 4 and regulation of the…”
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Consequences of lake and river ice loss on cultural ecosystem services by Knoll, Lesley B., Sharma, Sapna, Denfeld, Blaize A., Flaim, Giovanna, Hori, Yukari, Magnuson, John J., Straile, Dietmar, Weyhenmeyer, Gesa A.

“…People extensively use lakes and rivers covered by seasonal ice. Although ice cover duration has been declining over the past 150 years for Northern Hemisphere…”
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Increased winter drownings in ice-covered regions with warmer winters by Sharma, Sapna, Blagrave, Kevin, Watson, Simon R, O'Reilly, Catherine M, Batt, Ryan, Magnuson, John J, Clemens, Tessa, Denfeld, Blaize A, Flaim, Giovanna, Grinberga, Laura, Hori, Yukari, Laas, Alo, Knoll, Lesley B, Straile, Dietmar, Takamura, Noriko, Weyhenmeyer, Gesa A

“…Winter activities on ice are culturally important for many countries, yet they constitute a high safety risk depending upon the stability of the ice. Because…”
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Direct observations of ice seasonality reveal changes in climate over the past 320–570 years by Sharma, Sapna, Magnuson, John J., Batt, Ryan D., Winslow, Luke A., Korhonen, Johanna, Aono, Yasuyuki

“…Lake and river ice seasonality (dates of ice freeze and breakup) responds sensitively to climatic change and variability. We analyzed climate-related changes…”
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Oscillatory dynamics do not mask linear trends in the timing of ice breakup for Northern Hemisphere lakes from 1855 to 2004 by Sharma, Sapna, Magnuson, John J

“…Our analyses partition the relative influence of progressive climate change and large-scale climate drivers that can be associated with the Quasi-Biennial…”
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An integrated conceptual framework for long-term social-–ecological research by Collins, Scott L, Carpenter, Stephen R, Swinton, Scott M, Orenstein, Daniel E, Childers, Daniel L, Gragson, Ted L, Grimm, Nancy B, Grove, J Morgan, Harlan, Sharon L, Kaye, Jason P, Knapp, Alan K, Kofinas, Gary P, Magnuson, John J, McDowell, William H, Melack, John M, Ogden, Laura A, Robertson, G Philip, Smith, Melinda D, Whitmer, Ali C

“…The global reach of human activities affects all natural ecosystems, so that the environment is best viewed as a social-–ecological system. Consequently, a…”
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Large geographical differences in the sensitivity of ice-covered lakes and rivers in the Northern Hemisphere to temperature changes by WEYHENMEYER, GESA A, LIVINGSTONE, DAVID M, MEILI, MARKUS, JENSEN, OLAF, BENSON, BARBARA, MAGNUSON, JOHN J

“…Based on a unique dataset of more than 50 000 observations of ice phenology from 1213 lakes and 236 rivers in 12 different countries, we show that interannual…”
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Comparing climate change and species invasions as drivers of coldwater fish population extirpations by Sharma, Sapna, Vander Zanden, M Jake, Magnuson, John J, Lyons, John

“…Species are influenced by multiple environmental stressors acting simultaneously. Our objective was to compare the expected effects of climate change and…”
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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.

“…Often extreme events, more than changes in mean conditions, have the greatest impact on the environment and human well-being. Here we examine changes in the…”
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Spatial and Temporal Patterns of Chloride Contamination in a Shallow, Urban Marsh by Helmueller, Greta, Magnuson, John J., Dugan, Hilary A.

“…High chloride concentrations occur in inland waters from road salt applications (NaCl) as deicers. We studied seasonal and spatial distributions of chloride…”
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Historical Trends, Drivers, and Future Projections of Ice Phenology in Small North Temperate Lakes in the Laurentian Great Lakes Region by Hewitt, Bailey, Lopez, Lianna, Gaibisels, Katrina, Murdoch, Alyssa, Higgins, Scott, Magnuson, John, Paterson, Andrew, Rusak, James, Yao, Huaxia, Sharma, Sapna

“…Lake ice phenology (timing of ice breakup and freeze up) is a sensitive indicator of climate. We acquired time series of lake ice breakup and freeze up, local…”
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Neuropathology of Explosive Blast Traumatic Brain Injury by Magnuson, John, Leonessa, Fabio, Ling, Geoffrey S. F.

“…During the conflicts of the Global War on Terror, which are Operation Enduring Freedom (OEF) in Afghanistan and Operation Iraqi Freedom (OIF), there have been…”
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Influences of local weather, large-scale climatic drivers, and the ca. 11 year solar cycle on lake ice breakup dates; 1905–2004 by Sharma, Sapna, Magnuson, John J., Mendoza, Gricelda, Carpenter, Stephen R.

“…We investigate the temporal patterns in inter-annual variability in ice breakup dates for Lakes Mendota and Monona, Wisconsin, between 1905 and 2004. We…”
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Spatial Analysis of Ice Phenology Trends across the Laurentian Great Lakes Region during a Recent Warming Period by Olaf P. Jensen, Benson, Barbara J., Magnuson, John J., Card, Virginia M., Martyn N. Futter, Soranno, Patricia A., Stewart, Kenton M.

“…We examined spatial patterns of trends in ice phenology and duration for 65 waterbodies across the Great Lakes region (Minnesota, Wisconsin, Michigan, Ontario,…”
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Intensive trapping and increased fish predation cause massive population decline of an invasive crayfish by HEIN, CATHERINE L, VANDER ZANDEN, M. JAKE, MAGNUSON, JOHN J

“…1. Invasive species frequently have adverse impacts on native communities and ecosystems. Management options are often limited. Our goal is to evaluate the…”
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Historical Trends in Lake and River Ice Cover in the Northern Hemisphere by Magnuson, John J., Robertson, Dale M., Benson, Barbara J., Wynne, Randolph H., Livingstone, David M., Arai, Tadashi, Assel, Raymond A., Barry, Roger G., Card, Virginia, Kuusisto, Esko, Granin, Nick G., Prowse, Terry D., Stewart, Kenton M., Vuglinski, Valery S.

“…Freeze and breakup dates of ice on lakes and rivers provide consistent evidence of later freezing and earlier breakup around the Northern Hemisphere from 1846…”
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Ice formation and the risk of chloride toxicity in shallow wetlands and lakes by Dugan, Hilary A., Helmueller, Greta, Magnuson, John J.

“…The process of ice formation in shallow waterbodies can increase chloride to toxic levels in waterbodies already impacted by chloride loading from road salt…”
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Coherence between lake ice cover, local climate and teleconnections (Lake Mendota, Wisconsin) by Ghanbari, Reza Namdar, Bravo, Hector R., Magnuson, John J., Hyzer, William G., Benson, Barbara J.

“…Ice duration has shortened and the ice-off date has become earlier for Lake Mendota from 1905 to 2000 as air temperatures have warmed and snowfall has…”
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Disturbance Dynamics and Ecological Response: The Contribution of Long-Term Ecological Research by TURNER, MONICA G, COLLINS, SCOTT L, LUGO, ARIEL L, MAGNUSON, JOHN J, RUPP, T. SCOTT, SWANSON, FREDERICK J

“…Long-term ecological research is particularly valuable for understanding disturbance dynamics over long time periods and placing those dynamics in a regional…”
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A geomorphic template for the analysis of lake districts applied to the Northern Highland Lake District, Wisconsin, U.S.A by Riera, JoaN. L., Magnuson, JohN. J., Kratz, TiM. K., Webster, Katherine E.

“…1. We tested the degree to which a lake's landscape position constrains the expression of limnological features and imposes a characteristic spatial pattern in…”
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