Geosciences posts
- November 5, 2009
- 05:47 PM
- 719 views
The Big Squeeze
by Journal Watch Online in Journal Watch Online
Wetlands may have nowhere to go when sea level rises
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Titus, J., Hudgens, D., Trescott, D., Craghan, M., Nuckols, W., Hershner, C., Kassakian, J., Linn, C., Merritt, P., McCue, T.... (2009) State and local governments plan for development of most land vulnerable to rising sea level along the US Atlantic coast. Environmental Research Letters, 4(4), 44008. DOI: 10.1088/1748-9326/4/4/044008
- November 3, 2009
- 03:26 PM
- 762 views
Fish migrate to escape climate change
by Katie Kline in EcoTone
A study out today in the journal Marine Ecology Progress Series shows that global warming could have a major effect on the fishing industry by forcing large fish populations from their original habitats. About half of the fish stocks studied in the Atlantic ocean, many of them commercially valuable species, have shifted northward over the [...]
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Nye, J., Link, J., Hare, J., & Overholtz, W. (2009) Changing spatial distribution of fish stocks in relation to climate and population size on the Northeast United States continental shelf. Marine Ecology Progress Series, 111-129. DOI: 10.3354/meps08220
- November 1, 2009
- 04:53 PM
- 834 views
A very surprising paper - movement of a landslide controlled by atmospheric tides
by Dr Dave in Dave's Landslide Blog
Just occasionally a paper appears that makes me sit up with surprise, with a strong sense of "I did not see that one coming!". Just such a paper has appeared in pre-publication form in Nature Geoscience today - namely Schultz et al. (2009). This will undoubtedly represent the most surprising landslide paper of the year, and indeed for a few years in fact. I suspect that this paper will generate a fair amount of media interest in the next few days as well.The subject of the paper is the Slumgu........ Read more »
Schulz, W.H., Kean, J.W and Wang, G. (2009) Landslide movement in southwest Colorado triggered by atmospheric tides. Nature Geoscience. info:/10.1038/NGEO65
- October 31, 2009
- 05:21 PM
- 544 views
Does Carbon Sequestration Work?
by teofilo in Follow the Energy
I mentioned in the previous post that while I do see an important role for renewable energy sources, I don’t see fossil fuels going away entirely anytime soon. While putting a price on carbon is likely to shift some electricity generation from coal to natural gas (a topic on which I’ll have much more to [...]... Read more »
HOLLOWAY, S., PEARCE, J., HARDS, V., OHSUMI, T., & GALE, J. (2007) Natural emissions of CO2 from the geosphere and their bearing on the geological storage of carbon dioxide. Energy, 32(7), 1194-1201. DOI: 10.1016/j.energy.2006.09.001
- October 30, 2009
- 04:26 PM
- 757 views
High-Tech Trash
by Journal Watch Online in Journal Watch Online
Electronic waste is a global problem
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Robinson, B. (2009) E-waste: An assessment of global production and environmental impacts. Science of The Total Environment. DOI: 10.1016/j.scitotenv.2009.09.044
Ogunseitan, O., Schoenung, J., Saphores, J., & Shapiro, A. (2009) The Electronics Revolution: From E-Wonderland to E-Wasteland. Science, 326(5953), 670-671. DOI: 10.1126/science.1176929
- October 29, 2009
- 06:13 PM
- 732 views
Between A Rock and A Hot Place
by Journal Watch Online in Journal Watch Online
Reducing air pollution could hasten global warming
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Arneth, A., Unger, N., Kulmala, M., & Andreae, M. (2009) Clean the Air, Heat the Planet?. Science. info:/10.1126/science.1181568
Shindell, D., Faluvegi, G., Koch, D., Schmidt, G., Unger, N., & Bauer, S. (2009) Improved Attribution of Climate Forcing to Emissions. Science. info:/10.1126/science.1174760
- October 28, 2009
- 12:06 PM
- 878 views
Climate change will further endanger monkeys
by Katie Kline in EcoTone
A critically endangered northern muriqui in Brazil. Photo by Carla B. Possamai, provided by K.B. Strier
A study out today in Biology Letters shows that global warming will likely drive several species of primates closer to extinction by increasing the severity and frequency of El Niño and La Niña events (the El Niño Southern Oscillation, ENSO).
Eric [...]
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Ruscena Wiederholt, & Eric Post. (2009) Tropical warming and the dynamics of endangered primates. Biology Letters. info:/
- October 28, 2009
- 10:18 AM
- 642 views
A Happy Family of Pachycephalosaurus
by Andrew Farke in The Open Source Paleontologist
Distinguishing the skulls of juveniles and adults of the same species, and sometimes different species, can be a prickly thing in the fossil record. The result is that paleontology is littered with juvenile fossils that have been considered adults at some time or another. The crested duck-billed dinosaur Corythosaurus has also been known under names like Procheneosaurus, the famous Monoclonius is actually a juvenile of adult Centrosaurus, Styracosaurus, and kin, and the debate still continues on........ Read more »
Horner, J., & Goodwin, M. (2009) Extreme cranial ontogeny in the Upper Cretaceous dinosaur Pachycephalosaurus. PLoS ONE, 4(10). DOI: 10.1371/journal.pone.0007626
- October 27, 2009
- 08:27 PM
- 573 views
Under the Weather
by Journal Watch Online in Journal Watch Online
Primate declines tied to El Nino cycles
... Read more »
Wiederholt, R., & Post, E. (2009) Tropical warming and the dynamics of endangered primates. Biology Letters. info:/10.1098/rsbl.2009.0710
- October 26, 2009
- 09:26 PM
- 1,543 views
Holes in the ice…
by Jim Caryl in mental indigestion
CRYOCONITE (’ice dust’) holes are small pock-like depressions that are strewn over the surface of glaciers, looking much like a pristine snow drift after you’ve thrown a handful of gravel at it. Such melt-holes have been documented on glaciers at both poles, and on other glaciated regions such as Iceland, Greenland, Canada and the Himalayas. [...]... Read more »
ANESIO, A., HODSON, A., FRITZ, A., PSENNER, R., & SATTLER, B. (2009) High microbial activity on glaciers: importance to the global carbon cycle. Global Change Biology, 15(4), 955-960. DOI: 10.1111/j.1365-2486.2008.01758.x
- October 26, 2009
- 03:16 PM
- 609 views
Home Remedy
by Journal Watch Online in Journal Watch Online
Household changes can put major dent in carbon emissions
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Dietz, T., Gardner, G., Gilligan, J., Stern, P., & Vandenbergh, M. (2009) Household actions can provide a behavioral wedge to rapidly reduce U.S. carbon emissions. Proceedings of the National Academy of Sciences. info:/10.1073/pnas.0908738106
- October 23, 2009
- 02:34 PM
- 691 views
Math Problem
by Journal Watch Online in Journal Watch Online
Flaw in carbon accounting could encourage deforestation
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Searchinger, T., Hamburg, S., Melillo, J., Chameides, W., Havlik, P., Kammen, D., Likens, G., Lubowski, R., Obersteiner, M., Oppenheimer, M.... (2009) Fixing a Critical Climate Accounting Error. Science, 326(5952), 527-528. DOI: 10.1126/science.1178797
Melillo, J., Reilly, J., Kicklighter, D., Gurgel, A., Cronin, T., Paltsev, S., Felzer, B., Wang, X., Sokolov, A., & Schlosser, C. (2009) Indirect Emissions from Biofuels: How Important?. Science. DOI: 10.1126/science.1180251
- October 22, 2009
- 12:11 PM
- 1,455 views
Pollutants melting out of glaciers, into lakes
by Katie Kline in EcoTone
A mountain lake in Glacier National Park, Montana.
Organic pollutants have been on the decline in most natural areas in recent years, due to stricter regulations and improvements to products including the contaminants, such as certain pesticides. But a new study in the journal Environmental Science and Technology shows that these pollutants are showing a [...]
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Bogdal, C., Schmid, P., Zennegg, M., Anselmetti, F., Scheringer, M., & Hungerbühler, K. (2009) Blast from the Past: Melting Glaciers as a Relevant Source for Persistent Organic Pollutants. Environmental Science , 2147483647. DOI: 10.1021/es901628x
- October 15, 2009
- 01:41 AM
- 799 views
Feeling the Burn
by Journal Watch Online in Journal Watch Online
China’s efforts to combat acid rain may be insufficient
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Zhao, Y., Duan, L., Xing, J., Larssen, T., Nielsen, C., & Hao, J. (2009) Soil Acidification in China: Is Controlling SO2 Emissions Enough?. Environmental Science . info:/10.1021/es901430n
- October 15, 2009
- 12:01 AM
- 1,445 views
Blog Action Day: the Methane Pulse
by Iddo Friedberg in Byte Size Biology
Blog Action Day focuses this year on climate change, which, like everything else on this planet, is also a microbial matter. Howzat? Methane (CH4) is a greenhouse gas which has heat retention capability 23 times of that of CO2. Soil methanogens are the chief global producers of methane. There are an estimated 7.5x 109 tons [...]... Read more »
Walter, K., Zimov, S., Chanton, J., Verbyla, D., & Chapin, F. (2006) Methane bubbling from Siberian thaw lakes as a positive feedback to climate warming. Nature, 443(7107), 71-75. DOI: 10.1038/nature05040
Kennedy, M., Mrofka, D., & von der Borch, C. (2008) Snowball Earth termination by destabilization of equatorial permafrost methane clathrate. Nature, 453(7195), 642-645. DOI: 10.1038/nature06961
WAGNER, D., GATTINGER, A., EMBACHER, A., PFEIFFER, E., SCHLOTER, M., & LIPSKI, A. (2007) Methanogenic activity and biomass in Holocene permafrost deposits of the Lena Delta, Siberian Arctic and its implication for the global methane budget. Global Change Biology, 13(5), 1089-1099. DOI: 10.1111/j.1365-2486.2007.01331.x
- October 11, 2009
- 03:11 PM
- 579 views
Power to the People
by Journal Watch Online in Journal Watch Online
Community-owned forests store more carbon
... Read more »
Chhatre, A., & Agrawal, A. (2009) Trade-offs and synergies between carbon storage and livelihood benefits from forest commons. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.0905308106
- October 10, 2009
- 01:00 PM
- 544 views
A Racial- and Class-Based Solution for Private Environmental Conservation Efforts
by Michael Long in Phased
Patricia Zaradic (Red Rock Institute, Pennsylvania) and coworkers suggest that large non-governmental environmental conservation organizations need to recruit people other than rich white folk to their cause if they want to remain financially viable in the long-term. This news feature was written on October 10, 2009.... Read more »
Zaradic, P. A., Pergams, O. R. W., & Kareiva, P. (2009) The Impact of Nature Experience on Willingness to Support Conservation. PLoS ONE, 4(10). DOI: 10.1371/journal.pone.0007367
- October 7, 2009
- 04:19 PM
- 691 views
Spoor of South African Dinos Analyzed
by Greg Laden in Greg Laden's Blog
A new investigation of the sedimentology and ichnology of the Early Jurassic Moyeni tracksite in Lesotho, southern Africa has yielded new insights into the behavior and locomotor dynamics of early dinosaurs. Read the rest of this post... | Read the comments on this post...... Read more »
Wilson, J., Marsicano, C., & Smith, R. (2009) Dynamic Locomotor Capabilities Revealed by Early Dinosaur Trackmakers from Southern Africa. PLoS ONE, 4(10). DOI: 10.1371/journal.pone.0007331
- October 6, 2009
- 06:15 PM
- 639 views
Algae bounced back after a knock
by Thomas Kluyver in Thomas' Plant-Related Blog
A number of mass extinctions punctuate the fossil record, dealing a sharp blow to life on Earth. The best known (although not the biggest) is the one that did for the dinosaurs, some 65 million years ago. Unlike some mass extinctions, there’s at least one smoking gun: a damn great rock crashed into the planet, [...]... Read more »
Sepulveda, J., Wendler, J., Summons, R., & Hinrichs, K. (2009) Rapid Resurgence of Marine Productivity After the Cretaceous-Paleogene Mass Extinction. Science, 326(5949), 129-132. DOI: 10.1126/science.1176233
- October 6, 2009
- 06:02 PM
- 712 views
Rapid Resurgence of Marine Productivity After the Cretaceous-Paleogene Mass Extinction
by Greg Laden in Greg Laden's Blog
The course of the biotic recovery after the impact-related disruption of photosynthesis and mass extinction event at the Cretaceous-Paleogene boundary has been intensely debated. The resurgence of marine primary production in the aftermath remains poorly constrained because of the paucity of fossil records tracing primary producers that lack skeletons. Here we present a high-resolution record of geochemical variation in the remarkably thick Fiskeler (also known as the Fish Clay) boundary layer a........ Read more »
Sepulveda, J., Wendler, J., Summons, R., & Hinrichs, K. (2009) Rapid Resurgence of Marine Productivity After the Cretaceous-Paleogene Mass Extinction. Science, 326(5949), 129-132. DOI: 10.1126/science.1176233
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