Nature, Volume 454Sir Norman Lockyer Macmillan Journals Limited, 2008 |
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Página 323
... isotope sig- nal appears slightly before the OAE2 — as indicated by carbon isotope ratios - suggesting a time - lag of up to ~ 23 kyr between magmatism and the onset of significant organic carbon burial , which may reflect the reaction ...
... isotope sig- nal appears slightly before the OAE2 — as indicated by carbon isotope ratios - suggesting a time - lag of up to ~ 23 kyr between magmatism and the onset of significant organic carbon burial , which may reflect the reaction ...
Página 324
... isotope values decrease irregularly from 0.69-1.0 to 0.54 before OAE2 , and decrease to 0.17 a few centimetres before the OAE . These very low osmium isotope values persist through OAE2 to ~ 426.0 mcd before gradually increasing further ...
... isotope values decrease irregularly from 0.69-1.0 to 0.54 before OAE2 , and decrease to 0.17 a few centimetres before the OAE . These very low osmium isotope values persist through OAE2 to ~ 426.0 mcd before gradually increasing further ...
Página 514
... isotope - based approach to tropical dendroclimatology . Geochim . Cosmochim . Acta 68 , 3295-3305 ( 2004 ) . Miller , D. L. et al . Tree - ring isotope records of tropical cyclone activity . Proc . Natl Acad . Sci . USA 103 , 14294 ...
... isotope - based approach to tropical dendroclimatology . Geochim . Cosmochim . Acta 68 , 3295-3305 ( 2004 ) . Miller , D. L. et al . Tree - ring isotope records of tropical cyclone activity . Proc . Natl Acad . Sci . USA 103 , 14294 ...
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More CO2 means more | 46 |
ARTICLES | 49 |
SMAD proteins control DROSHAmediated microRNA maturation | 56 |
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