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| Subject | Re: Two Papers Highlight Southern Ocean CO2 Sink |
|---|---|
| Newsgroups | sci.physics |
| References | <ZIOdnUfaFtfVk2vInZ2dnUU7-VmdnZ2d@giganews.com> <89hhcc-h2p.ln1@mail.specsol.com> <ZIOdnXvaFteagWvInZ2dnUU7-VkAAAAA@giganews.com> <l5jhcc-kap.ln1@mail.specsol.com> |
| From | Sam Wormley <swormley1@gmail.com> |
| Date | 2015-09-13 20:42 -0500 |
| Message-ID | <ZIOdnXbaFteeu2vInZ2dnUU7-VmdnZ2d@giganews.com> (permalink) |
On 9/13/15 8:06 PM, jimp@specsol.spam.sux.com wrote: > How are they important, spamming shit head? > I glad you asked, jimp. CO2 uptake is an important area to understand. Try reading the papers, jimp. Oh, and BTW, Try Rancho Cucamonga Anger Management Classes > http://www.yellowpages.com/rancho-cucamonga-ca/anger-management-classes Someday, you will thank me, jimp. Two Papers Highlight Southern Ocean CO2 Sink > http://www.reportingclimatescience.com/news-stories/article/two-papers-highlight-southern-ocean-co2-sink.html > The importance of the Southern Ocean as a sink for atmospheric carbon > dioxide has been underlined by two new papers. Here we present > separate reports on this research from the AGU and ETH Zurich > Abstracts > > Here is the abstract of the GRL paper: We present a 13-year > (2002–2015) semi-monthly time-series of the partial pressure of CO2 > in surface water (pCO2surf) and other carbonate system parameters > from the Drake Passage. This record shows a clear increase in the > magnitude of the sea-air pCO2 gradient, indicating strengthening of > the CO2 sink in agreement with recent large-scale analyses of the > world oceans. The rate of increase in pCO2surf north of the Antarctic > Polar Front (APF) is similar to the atmospheric pCO2 (pCO2atm) trend, > whereas the pCO2surf increase south of the APF is slower than the > pCO2atm trend. The high-frequency surface observations indicate that > an absence of a winter increase in total CO2 (TCO2) and cooling > summer sea surface temperatures are largely responsible for > increasing CO2 uptake south of the APF. Muted winter trends in > surface TCO2 also provide temporary stability to the carbonate system > that is already close to undersaturation with respect to aragonite. > > Here is the absract of the Science paper: Several studies have > suggested that the carbon sink in the Southern Ocean—the ocean’s > strongest region for the uptake of anthropogenic CO2 —has weakened in > recent decades. We demonstrated, on the basis of multidecadal > analyses of surface ocean CO2 observations, that this weakening trend > stopped around 2002, and by 2012, the Southern Ocean had regained its > expected strength based on the growth of atmospheric CO2. All three > Southern Ocean sectors have contributed to this reinvigoration of the > carbon sink, yet differences in the processes between sectors exist, > related to a tendency toward a zonally more asymmetric atmospheric > circulation. The large decadal variations in the Southern Ocean > carbon sink suggest a rather dynamic ocean carbon cycle that varies > more in time than previously recognized. > > Here is the Science Editor's coment on the Science paper: > > Uptake uptick > > Has global warming slowed the uptake of atmospheric CO2 by the > Southern Ocean? Landschützer et al. say no (see the Perspective by > Fletcher). Previous work suggested that the strength of the Southern > Ocean carbon sink fell during the 1990s. This raised concerns that > such a decline would exacerbate the rise of atmospheric CO2 and > thereby increase global surface air temperatures and ocean acidity. > The newer data show that the Southern Ocean carbon sink strengthened > again over the past decade, which illustrates the dynamic nature of > the process and alleviates some of the anxiety about its earlier > weakening trend. > > Citations > > Recent evidence for a strengthening CO2sink in the Southern Ocean > from carbonate system measurements in the Drake Passage (2002-2015) > by David R. Munro, Nicole S. Lovenduski, Taro Takahashi, Britton B. > Stephens, Timothy Newberger and Colm Sweeney, published in > Geophysical Research Letters, 2015; DOI: 10.1002/2015GL065194 > > The Reinvigoration of the Southern Ocean Carbon Sink by Landschützer > P, Gruber N, Haumann FA, Rödenbeck C, Bakker DCE, van Heuven S, > Hoppema M, Metzl N, Sweeney C, Takahashi T, Tilbrook B, and > Wankinkhof R. published in Science, 2015; DOI: > 10.1126/science.aab2620 > -- sci.physics is an unmoderated newsgroup dedicated to the discussion of physics, news from the physics community, and physics-related social issues.
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Two Papers Highlight Southern Ocean CO2 Sink Sam Wormley <swormley1@gmail.com> - 2015-09-13 19:01 -0500
Re: Two Papers Highlight Southern Ocean CO2 Sink jimp@specsol.spam.sux.com - 2015-09-14 00:34 +0000
Re: Two Papers Highlight Southern Ocean CO2 Sink Sam Wormley <swormley1@gmail.com> - 2015-09-13 19:59 -0500
Re: Two Papers Highlight Southern Ocean CO2 Sink jimp@specsol.spam.sux.com - 2015-09-14 01:06 +0000
Re: Two Papers Highlight Southern Ocean CO2 Sink Sam Wormley <swormley1@gmail.com> - 2015-09-13 20:42 -0500
Re: Two Papers Highlight Southern Ocean CO2 Sink jimp@specsol.spam.sux.com - 2015-09-14 02:23 +0000
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