Miocene evolution of atmospheric carbon dioxide
نویسندگان
چکیده
منابع مشابه
The Carbon Cycle and Atmospheric Carbon Dioxide
Contributing Authors D. Archer, M.R. Ashmore, O. Aumont, D. Baker, M. Battle, M. Bender, L.P. Bopp, P. Bousquet, K. Caldeira, P. Ciais, P.M. Cox, W. Cramer, F. Dentener, I.G. Enting, C.B. Field, P. Friedlingstein, E.A. Holland, R.A. Houghton, J.I. House, A. Ishida, A.K. Jain, I.A. Janssens, F. Joos, T. Kaminski, C.D. Keeling, R.F. Keeling, D.W. Kicklighter, K.E. Kohfeld, W. Knorr, R. Law, T. Le...
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in reticulocytes (Fig. 2). The correlation coefficients for GSH/PCV and reticulocyte count for each group on each sample day were not significant when compared with published critical values (13). Elevated GSH/PCV may indicate a unique biochemical response by avian red cells experiencing oxidant stress or a toxic mechanism involving reduced activity of a GSH-dependent enzyme such as glutathione...
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The global temperature rose by 0.2 degrees C between the middle 1960's and 1980, yielding a warming of 0.4 degrees C in the past century. This temperature increase is consistent with the calculated greenhouse effect due to measured increases of atmospheric carbon dioxide. Variations of volcanic aerosols and possibly solar luminosity appear to be primary causes of observed fluctuations about the...
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The concentration of carbon dioxide in the atmosphere has reached a record level — increasing by 0.6 per cent last year alone — and methane levels are rising for the first time in a decade according to new results, renewing fears about global climate change prospects. Researchers at the Mauna Loa observatory in Hawaii say that carbon dioxide levels in the atmosphere are now at 387 parts per mil...
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ژورنال
عنوان ژورنال: Paleoceanography
سال: 1999
ISSN: 0883-8305
DOI: 10.1029/1999pa900006