All posts; Tags Include "Glaciology"
- February 28, 2016
- 08:35 AM
- 725 views
Week 8 In Review: Open-Access Science | 22 to 28 Feb
by TakFurTheKaffe in Tak Fur The Kaffe
Sea level rose faster in the 20th century than in any other century of the last 3,000 years, new methods for estimating future sea level rise and heat waves, consumers to blame for their carbon footprint, and new virtual forests predict future impacts of climate change. Here are five of the latest scientific studies published open-access this week.... Read more »
Kopp, R., Kemp, A., Bittermann, K., Horton, B., Donnelly, J., Gehrels, W., Hay, C., Mitrovica, J., Morrow, E., & Rahmstorf, S. (2016) Temperature-driven global sea-level variability in the Common Era. Proceedings of the National Academy of Sciences, 201517056. DOI: 10.1073/pnas.1517056113
Mengel, M., Levermann, A., Frieler, K., Robinson, A., Marzeion, B., & Winkelmann, R. (2016) Future sea level rise constrained by observations and long-term commitment. Proceedings of the National Academy of Sciences, 201500515. DOI: 10.1073/pnas.1500515113
Leary, E., Young, L., DuClos, C., & Jordan, M. (2015) Identifying Heat Waves in Florida: Considerations of Missing Weather Data. PLOS ONE, 10(11). DOI: 10.1371/journal.pone.0143471
Ivanova, D., Stadler, K., Steen-Olsen, K., Wood, R., Vita, G., Tukker, A., & Hertwich, E. (2015) Environmental Impact Assessment of Household Consumption. Journal of Industrial Ecology. DOI: 10.1111/jiec.12371
Liénard, J., & Strigul, N. (2016) An individual-based forest model links canopy dynamics and shade tolerances along a soil moisture gradient. Royal Society Open Science, 3(2), 150589. DOI: 10.1098/rsos.150589
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- January 17, 2016
- 10:00 AM
- 635 views
Week Two In Review: Open-Access Science | 11 to 17 Jan
by TakFurTheKaffe in Tak Fur The Kaffe
The world’s largest canyon discovered hidden under the Antarctic ice, citizen science is on the up, new genetic secrets of Ötzi Iceman, and the social lives of chimps. Here are 5 of the latest scientific studies published open-access this week.... Read more »
Jamieson, S., Ross, N., Greenbaum, J., Young, D., Aitken, A., Roberts, J., Blankenship, D., Bo, S., & Siegert, M. (2015) An extensive subglacial lake and canyon system in Princess Elizabeth Land, East Antarctica. Geology. DOI: 10.1130/G37220.1
Kullenberg, C., & Kasperowski, D. (2016) What Is Citizen Science? – A Scientometric Meta-Analysis. PLOS ONE, 11(1). DOI: 10.1371/journal.pone.0147152
Moeller, A., Foerster, S., Wilson, M., Pusey, A., Hahn, B., & Ochman, H. (2016) Social behavior shapes the chimpanzee pan-microbiome. Science Advances, 2(1). DOI: 10.1126/sciadv.1500997
Coia, V., Cipollini, G., Anagnostou, P., Maixner, F., Battaggia, C., Brisighelli, F., Gómez-Carballa, A., Destro Bisol, G., Salas, A., & Zink, A. (2016) Whole mitochondrial DNA sequencing in Alpine populations and the genetic history of the Neolithic Tyrolean Iceman. Scientific Reports, 18932. DOI: 10.1038/srep18932
Engelmann, J., & Herrmann, E. (2016) Chimpanzees Trust Their Friends. Current Biology. DOI: 10.1016/j.cub.2015.11.037
- November 21, 2015
- 04:49 AM
- 756 views
Melting Scandinavian glaciers made Europe cool and dry
by TakFurTheKaffe in Tak Fur The Kaffe
Scientists have found an explanation for one of the big mysteries in climate science with the help of 12,000-year old Swedish midges... Read more »
Muschitiello, F., Pausata, F., Watson, J., Smittenberg, R., Salih, A., Brooks, S., Whitehouse, N., Karlatou-Charalampopoulou, A., & Wohlfarth, B. (2015) Fennoscandian freshwater control on Greenland hydroclimate shifts at the onset of the Younger Dryas. Nature Communications, 8939. DOI: 10.1038/ncomms9939
- November 2, 2015
- 12:25 AM
- 770 views
Week In Review: Open-Access Science | 26 Oct to 1 Nov
by TakFurTheKaffe in Tak Fur The Kaffe
From a new date for earliest life on earth to the potentially controversial findings that Antarctica is gaining more ice than it’s loosing, here are 5 of the latest scientific studies published open-access this week.... Read more »
Bell, E., Boehnke, P., Harrison, T., & Mao, W. (2015) Potentially biogenic carbon preserved in a 4.1 billion-year-old zircon. Proceedings of the National Academy of Sciences, 201517557. DOI: 10.1073/pnas.1517557112
Zwally, H. Jay, Li, Jun, Robbins, John W, Saba, Jack L, Yi, Donghui, & Brenner, Anita C. (2015) Mass gains of the Antarctic ice sheet exceed losses. Journal of Glaciology. DOI: 10.3189/2015JoG15J071
Kim TW, Ping Y, Galli GA, & Choi KS. (2015) Simultaneous enhancements in photon absorption and charge transport of bismuth vanadate photoanodes for solar water splitting. Nature communications, 8769. PMID: 26498984
Tyagi, N., Farnell, E., Fitzsimmons, C., Ryan, S., Tukahebwa, E., Maizels, R., Dunne, D., Thornton, J., & Furnham, N. (2015) Comparisons of Allergenic and Metazoan Parasite Proteins: Allergy the Price of Immunity. PLOS Computational Biology, 11(10). DOI: 10.1371/journal.pcbi.1004546
Barrett, S., Speth, R., Eastham, S., Dedoussi, I., Ashok, A., Malina, R., & Keith, D. (2015) Impact of the Volkswagen emissions control defeat device on US public health. Environmental Research Letters, 10(11), 114005. DOI: 10.1088/1748-9326/10/11/114005
- October 17, 2015
- 06:25 AM
- 883 views
Five maps to show how sea level rise affects you
by Cath Jex in Tak Fur The Kaffe
TFTK has found five of the best free maps that show the neighbourhoods most vulnerable to sea level rise.... Read more »
Winkelmann, R., Levermann, A., Ridgwell, A., & Caldeira, K. (2015) Combustion of available fossil fuel resources sufficient to eliminate the Antarctic Ice Sheet. Science Advances, 1(8). DOI: 10.1126/sciadv.1500589
Strauss BH, Kulp S, & Levermann A. (2015) Carbon choices determine US cities committed to futures below sea level. Proceedings of the National Academy of Sciences of the United States of America. PMID: 26460051
- March 12, 2015
- 02:54 AM
- 813 views
Science, climate change and controversy
by GrrlScientist in Maniraptora
SUMMARY: It’s inevitable: as science progresses, controversy happens. But sometimes, the public sees controversy where none exists. How to remedy that? ... Read more »
Darwin C. (1839) Observations on the Parallel Roads of Glen Roy, and of Other Parts of Lochaber in Scotland, with an Attempt to Prove That They Are of Marine Origin. Philosophical Transactions of the Royal Society of London, 39-81. DOI: http://dx.doi.org/10.1098/rstl.1839.0005
- September 21, 2014
- 10:22 PM
- 992 views
A Short Summary of Nares Strait Physics
by Andreas Muenchow in Icy Seas
The Arctic Ocean is a puddle of water covered by ice that melts, moves, and freezes. Grand and majestic rivers of Siberia and America discharge into the puddle and make it fresher than Atlantic Ocean waters. The fate of the … Continue reading →... Read more »
Johnson, H., Münchow, A., Falkner, K., & Melling, H. (2011) Ocean circulation and properties in Petermann Fjord, Greenland. Journal of Geophysical Research, 116(C1). DOI: 10.1029/2010JC006519
Münchow, A., Falkner, K., Melling, H., Rabe, B., & Johnson, H. (2011) Ocean Warming of Nares Strait Bottom Waters off Northwest Greenland, 2003–2009. Oceanography, 24(3), 114-123. DOI: 10.5670/oceanog.2011.62
Münchow, A., Padman, L., & Fricker, H. (2014) Interannual changes of the floating ice shelf of Petermann Gletscher, North Greenland, from 2000 to 2012. Journal of Glaciology, 60(221), 489-499. DOI: 10.3189/2014JoG13J135
Münchow, A., Falkner, K., & Melling, H. (2014) Baffin Island and West Greenland Current Systems in northern Baffin Bay. Progress in Oceanography. DOI: 10.1016/j.pocean.2014.04.001
Rabe, B., Johnson, H., Münchow, A., & Melling, H. (2012) Geostrophic ocean currents and freshwater fluxes across the Canadian polar shelf via Nares Strait. Journal of Marine Research, 70(4), 603-640. DOI: 10.1357/002224012805262725
- August 22, 2014
- 02:36 PM
- 1,000 views
East Greenland Current Instabilities
by Andreas Muenchow in Icy Seas
The coast off north-east Greenland is a grey, cloudy, and icy place. I spent 4 weeks on a ship earlier this summer to place sensors on the ocean floor to measure water currents, salinity, and temperature. The data shall uncover … Continue reading →... Read more »
Beszczynska-Möller, A., Woodgate, R., Lee, C., Melling, H., & Karcher, M. (2011) A Synthesis of Exchanges Through the Main Oceanic Gateways to the Arctic Ocean. Oceanography, 24(3), 82-99. DOI: 10.5670/oceanog.2011.59
LeBlond, P. (1982) Satellite observations of labrador current undulations. Atmosphere-Ocean, 20(2), 129-142. DOI: 10.1080/07055900.1982.9649135
Solomon, H., & Ahlnäs, K. (1978) Eddies in the Kamchatka Current. Deep Sea Research, 25(4), 403-410. DOI: 10.1016/0146-6291(78)90566-0
- May 30, 2014
- 10:22 AM
- 1,078 views
Measuring Ice Thickness From The Ocean
by Andreas Muenchow in Icy Seas
Ice floats and moves abouts. It melts in summer, it freezes in winter, but it moves from here to there driven by winds and currents. Some ice leaves the Arctic Ocean via Fram Strait to the east of Greenland and … Continue reading →... Read more »
Hansen, E., Gerland, S., Granskog, M., Pavlova, O., Renner, A., Haapala, J., Løyning, T., & Tschudi, M. (2013) Thinning of Arctic sea ice observed in Fram Strait: 1990-2011. Journal of Geophysical Research: Oceans, 118(10), 5202-5221. DOI: 10.1002/jgrc.20393
Rabe, B., Johnson, H., Münchow, A., & Melling, H. (2012) Geostrophic ocean currents and freshwater fluxes across the Canadian polar shelf via Nares Strait. Journal of Marine Research, 70(4), 603-640. DOI: 10.1357/002224012805262725
- April 14, 2014
- 12:13 PM
- 1,144 views
North Greenland Glacier Ice-Ocean Interactions 2014
by Andreas Muenchow in Icy Seas
I will travel to Spitsbergen in six weeks to board the German research icebreaker Polarstern. She will sail west across the Fram Strait towards northern Greenland where some of the last remaining glaciers exist that still discharge their ice via … Continue reading →... Read more »
Hughes, N., Wilkinson, J., & Wadhams, P. (2011) Multi-satellite sensor analysis of fast-ice development in the Norske Øer Ice Barrier, northeast Greenland. Annals of Glaciology, 52(57), 151-160. DOI: 10.3189/172756411795931633
Wadhams, P., Wilkinson, J., & McPhail, S. (2006) A new view of the underside of Arctic sea ice. Geophysical Research Letters, 33(4). DOI: 10.1029/2005GL025131
- March 13, 2014
- 11:27 AM
- 1,415 views
Fram Strait Ice, Oil, and Glaciers
by Andreas Muenchow in Icy Seas
Tomorrow I fly to Germany to prepare for an ocean experiment in the shallow waters off northern Greenland. Together with oceanographers from the Alfred Wegener Institute (AWI), Germany, I hope to deploy 5 ocean current measuring devices on the bottom … Continue reading →... Read more »
Budéus, G., & Schneider, W. (1995) On the hydrography of the Northeast Water Polynya. Journal of Geophysical Research, 100(C3), 4287. DOI: 10.1029/94JC02024
Hughes, N., Wilkinson, J., & Wadhams, P. (2011) Multi-satellite sensor analysis of fast-ice development in the Norske Øer Ice Barrier, northeast Greenland. Annals of Glaciology, 52(57), 151-160. DOI: 10.3189/172756411795931633
Wadhams, P., Wilkinson, J., & McPhail, S. (2006) A new view of the underside of Arctic sea ice. Geophysical Research Letters, 33(4). DOI: 10.1029/2005GL025131
- February 4, 2014
- 05:44 PM
- 782 views
Petermann Gletscher Thawing and Thinning
by Andreas Muenchow in Icy Seas
Greenland’s tidewater glaciers are losing mass, through thinning and retreat, at an increasing rate. Greenland’s glaciers located north of 78 North latitude often end in ice shelves, floating extensions of the glaciers extending up to several tens of km into … Continue reading →... Read more »
Muenchow, A, L. Padman, and H.A. Fricker. (2014) Interannual Changes of the Floating Ice Shelf of Petermann Gletscher, North Greenland from 2000 to 2012. J. Glac. info:/in press
Johnson, H., Münchow, A., Falkner, K., & Melling, H. (2011) Ocean circulation and properties in Petermann Fjord, Greenland. Journal of Geophysical Research, 116(C1). DOI: 10.1029/2010JC006519
Rignot, E., & Steffen, K. (2008) Channelized bottom melting and stability of floating ice shelves. Geophysical Research Letters, 35(2). DOI: 10.1029/2007GL031765
- January 27, 2014
- 01:57 PM
- 1,403 views
Formation of Nares Strait Ice Bridges in 2014
by Andreas Muenchow in Icy Seas
Darkness and cold covers North Greenland, Ellesmere Island as well as Nares Strait, the waterway that connects these two inhospitable places. And despite the darkness of the polar night, I can see that three beautiful arches made of ice connect … Continue reading →... Read more »
Muenchow, A and H. Melling. (2008) Ocean current observations from Nares Strait to the west of Greenland: Interannual to tidal variability and forcing. J. Mar. Res., 66(6), 801-833. DOI: 10.1357/002224008788064612
T.L. Kozo. (1991) The hybrid polynya at the northern end of Nares Strait. Geophys. Res. Let., 18(11), 2059-2062. DOI: 10.1029/91GL02574
R. Kwok, L.T. Pdersen, P. Gudmandsen, and S.S. Peng. (2010) Large sea ice outflow into the Nares Strait in 2007. Geophys. Res. Let., 37(L03502). DOI: 10.1029/2009GL041872
- December 21, 2013
- 06:16 AM
- 1,079 views
Give those we love the climate they deserve
by Andy Extance in Simple Climate
The many stresses global warming causes edge us closer to conflicts like the one currently happening in Syria: for those who inherit this planet from us, we must keep pushing back.... Read more »
Solomon M. Hsiang, Marshall Burke, Edward Miguel. (2013) Quantifying the Influence of Climate on Human Conflict. Science. DOI: 10.1126/science.1235367
James Hansen, Pushker Kharecha, Makiko Sato, Valerie Masson-Delmotte, Frank Ackerman, David J. Beerling, Paul J. Hearty, Ove Hoegh-Guldberg, Shi-Ling Hsu, Camille Parmesan, Johan Rockstrom, Eelco J. Rohling, Jeffrey Sachs, Pete Smith, Konrad Steffen, Lise. (2013) Assessing “Dangerous Climate Change”: Required Reduction of Carbon Emissions to Protect Young People, Future Generations and Nature . PLOS ONE. DOI: 10.1371/journal.pone.0081648
Koji Matsuo, Benjamin F. Chao, Toshimichi Otsubo, Kosuke Heki. (2013) Accelerated ice mass depletion revealed by low-degree gravity field from satellite laser ranging: Greenland, 1991-2011. Geophysical Research Letters. DOI: 10.1002/grl.50900
Jessica E. Tierney, Peter B. deMenocal. (2013) Abrupt Shifts in Horn of Africa Hydroclimate Since the Last Glacial Maximum. Science. DOI: 10.1126/science.1240411
Westra, S., Alexander, L., & Zwiers, F. (2012) Global increasing trends in annual maximum daily precipitation. Journal of Climate, 2147483647. DOI: 10.1175/JCLI-D-12-00502.1
Zhang, X., Lu, C., & Guan, Z. (2012) Weakened cyclones, intensified anticyclones and recent extreme cold winter weather events in Eurasia. Environmental Research Letters, 7(4), 44044. DOI: 10.1088/1748-9326/7/4/044044
- October 31, 2013
- 09:14 PM
- 2,177 views
Ocean Circulation and Melting Glaciers off North-East Greenland
by Andreas Muenchow in Icy Seas
Scientists like myself always have ideas and theories on how oceans and climate work, but these need testing with real (not virtual) data before they can be accepted as truth or dismissed as fool’s errand. This is how science works. … Continue reading →... Read more »
Budéus, G., & Schneider, W. (1995) On the hydrography of the Northeast Water Polynya. Journal of Geophysical Research, 100(C3), 4287. DOI: 10.1029/94JC02024
Hughes, N., Wilkinson, J., & Wadhams, P. (2011) Multi-satellite sensor analysis of fast-ice development in the Norske Øer Ice Barrier, northeast Greenland. Annals of Glaciology, 52(57), 151-160. DOI: 10.3189/172756411795931633
Reeh, N., Thomsen, H., Higgins, A., & Weidick, A. (2001) Sea ice and the stability of north and northeast Greenland floating glaciers. Annals of Glaciology, 33(1), 474-480. DOI: 10.3189/172756401781818554
Wadhams, P., Wilkinson, J., & McPhail, S. (2006) A new view of the underside of Arctic sea ice. Geophysical Research Letters, 33(4). DOI: 10.1029/2005GL025131
- October 26, 2013
- 06:16 AM
- 1,666 views
Tundra plants show modern temperatures unmatched in over 44,000 years
by Andy Extance in Simple Climate
As plants preserved under glaciers for possibly as long as 120,000 years are revealed in surprising abundance, Gifford Miller from the University of Colorado, Boulder and his team have used them to show how far beyond natural patterns the warming humans have driven is. ... Read more »
Gifford H. Miller, Scott J. Lehman, Kurt A. Refsnider, John R. Southon, Yafang Zhong. (2013) Unprecedented recent summer warmth in Arctic Canada. Geophysical Research Letters. DOI: 10.1002/2013GL057188
- September 28, 2013
- 06:05 AM
- 1,129 views
The joker who brought climate science out of the cold
by Andy Extance in Simple Climate
Drawn to a lifelong career of research and pranks at the Lamont-Doherty Earth Observatory by a friend, Wally Broecker confirmed that changes in the Earth’s orbit paced ice ages, and foresaw the global warming that has gone on since 1975.... Read more »
Wally Broecker. (2012) The Carbon Cycle and Climate Change: Memoirs of my 60 years in Science. Geochemical Perspectives. DOI: 10.7185/geochempersp.1.2
Wallace S. Broecker. (1965) Absolute Dating and the Astronomical Theory of Glaciation . Science. DOI: 10.1126/science.151.3708.299
Wallace S. Broecker, Jan van Donk. (1970) Insolation changes, ice volumes, and the O18 record in deep-sea cores . Reviews of Geophysics. DOI: 10.1029/RG008i001p00169
Wallace S. Broecker. (1975) Climatic Change: Are We on the Brink of a Pronounced Global Warming? . Science. DOI: 10.1126/science.189.4201.460
- September 12, 2013
- 08:40 PM
- 1,118 views
Petermann Ice Island Breaks while Plowing into the Bottom
by Andreas Muenchow in Icy Seas
The Manhattan-sized ice island that last year broke free of Petermann Gletscher in North Greenland plowed into the bottom and broke apart. Force equals mass times acceleration. When 18 giga tons (mass) of moving ice crashes into the ocean’s bottom … Continue reading →... Read more »
Johnson, H., Münchow, A., Falkner, K., & Melling, H. (2011) Ocean circulation and properties in Petermann Fjord, Greenland. Journal of Geophysical Research, 116(C1). DOI: 10.1029/2010JC006519
Rignot, E., & Steffen, K. (2008) Channelized bottom melting and stability of floating ice shelves. Geophysical Research Letters, 35(2). DOI: 10.1029/2007GL031765
- August 31, 2013
- 06:07 AM
- 1,621 views
Bouncing lasers off satellites backs faster Greenland melt
by Andy Extance in Simple Climate
Kosuke Heki from Hokkaido University and Koji Matsuo from Kyoto University in Japan have doubled the duration of gravity based measurements of ice loss from Greenland, providing more evidence that this process is speeding up.... Read more »
Koji Matsuo, Benjamin F. Chao, Toshimichi Otsubo, Kosuke Heki. (2013) Accelerated ice mass depletion revealed by low-degree gravity field from satellite laser ranging: Greenland, 1991-2011. Geophysical Research Letters. DOI: 10.1002/grl.50900
- August 30, 2013
- 01:26 PM
- 1,656 views
Canyon below Ice at Petermann Gletscher
by Andreas Muenchow in Icy Seas
The Grand Canyon of Arizona stands tall in the mind as the Colorado River carved itself into 6000 feet of rock. A similar canyon has been discovered in northern Greenland near Petermann Gletscher. The canyon without a name is buried … Continue reading →... Read more »
Bamber, J.L., M.J. Siegert, J.A. Griggs, S.J. Marshall, and G. Spada. (2013) Paleofluvial mega-canyon Beneath the Central Greenland ice sheet. Science, 997-999. DOI: 10.1126/science.1239794
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