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Record #167701:
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MARC recordA 'snowball Earth' climate triggered by continental break-up through changes in runoff / Yannick Donnadieu, Yves Goddéris, Gilles Ramstein, Anne Nédélec, Joseph Meert.
| Title: | A 'snowball Earth' climate triggered by continental break-up through changes in runoff / Yannick Donnadieu, Yves Goddéris, Gilles Ramstein, Anne Nédélec, Joseph Meert. |
| Author(s): | Donnadieu, Yannick. Goddéris, Yves. Ramstein, Gilles. Nédélec, Anne. Meert, Joseph. |
| Date: | 2004. |
| In: | Nature. (2004.), Vol. 428(6980) (2004) |
| Abstract: | Investigates need for anomalously low atmospheric CO₂ levels in "snowball Earth" descriptions of end of Proterozoic eon, 800 to 550 Myr ago. Uses coupled climate-geochemical model GEOCLIM to assess effect of palaeogeographic changes preceding Sturtian glacial period, 750 million years ago, on atmospheric CO₂ levels. GEOCLIM combines long-term global carbon cycle model with coupled ocean-atmosphere model. Simulations show continental break-up of Rodinia leading to increased runoff, and hence CO₂ consumption through continental weathering. Atmospheric CO₂ concentrations decrease by 1,320 p.p.m. and globe cools by 8°C. Simulation combining runoff effect with weathering effect of erupted basaltic traps results in snowball glaciation. Concludes tectonic changes could have triggered transition from "greenhouse" to "icehouse" climate. |
| Notes: | Nature. Vol. 428(6980) :303-306 (2004). |
| Keywords: | 551.58 -- Climatology. 551.8 -- Palaeogeography. 551.336 -- Ice ages. 551.583.7 -- Palaeoclimatology. 551.72 -- Proterozoic. 551.241 -- Plate tectonics. 551.577 -- Precipitation. 551.311.23 -- Weathering. 546.26 -- Carbon. 546.264-31 -- Carbon dioxide. 551.588.5 -- Climate, relationship with ice. 551.590.3 -- Volcanic eruptions, effect on weather and climate. 519.673 -- Modelling. D -- Atmospheric sciences. |
| SPRI record no.: | 167701 |
LDR 02273naa#a2200000#a#4500 001 SPRI-167701 005 20230928182618.0 007 ta 008 230928s2004####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-167701 040 ## ‡aUkCU-P‡beng‡eaacr 245 03 ‡aA 'snowball Earth' climate triggered by continental break-up through changes in runoff /‡cYannick Donnadieu, Yves Goddéris, Gilles Ramstein, Anne Nédélec, Joseph Meert. 260 ## ‡a[S.l.] :‡b[s.n.],‡c2004. 300 ## ‡ap. 303-306 :‡bdiags. 500 ## ‡aNature. Vol. 428(6980) :303-306 (2004). 520 3# ‡aInvestigates need for anomalously low atmospheric CO₂ levels in "snowball Earth" descriptions of end of Proterozoic eon, 800 to 550 Myr ago. Uses coupled climate-geochemical model GEOCLIM to assess effect of palaeogeographic changes preceding Sturtian glacial period, 750 million years ago, on atmospheric CO₂ levels. GEOCLIM combines long-term global carbon cycle model with coupled ocean-atmosphere model. Simulations show continental break-up of Rodinia leading to increased runoff, and hence CO₂ consumption through continental weathering. Atmospheric CO₂ concentrations decrease by 1,320 p.p.m. and globe cools by 8°C. Simulation combining runoff effect with weathering effect of erupted basaltic traps results in snowball glaciation. Concludes tectonic changes could have triggered transition from "greenhouse" to "icehouse" climate. 530 ## ‡aAlso issued online ‡uurn:doi:10.1038/nature02408‡uhttps://dx.doi.org/10.1038/nature02408 650 07 ‡a551.58 -- Climatology.‡2udc 650 07 ‡a551.8 -- Palaeogeography.‡2udc 650 07 ‡a551.336 -- Ice ages.‡2udc 650 07 ‡a551.583.7 -- Palaeoclimatology.‡2udc 650 07 ‡a551.72 -- Proterozoic.‡2udc 650 07 ‡a551.241 -- Plate tectonics.‡2udc 650 07 ‡a551.577 -- Precipitation.‡2udc 650 07 ‡a551.311.23 -- Weathering.‡2udc 650 07 ‡a546.26 -- Carbon.‡2udc 650 07 ‡a546.264-31 -- Carbon dioxide.‡2udc 650 07 ‡a551.588.5 -- Climate, relationship with ice.‡2udc 650 07 ‡a551.590.3 -- Volcanic eruptions, effect on weather and climate.‡2udc 650 07 ‡a519.673 -- Modelling.‡2udc 650 07 ‡aD -- Atmospheric sciences.‡2local 700 1# ‡aDonnadieu, Yannick. 700 1# ‡aGoddéris, Yves. 700 1# ‡aRamstein, Gilles. 700 1# ‡aNédélec, Anne. 700 1# ‡aMeert, Joseph. 773 0# ‡7nnas ‡tNature. ‡gVol. 428(6980) (2004) ‡wSPRI-1046 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20230928