globalchange  > 气候变化事实与影响
DOI: 10.5194/cp-15-135-2019
Scopus记录号: 2-s2.0-85060484945
论文题名:
The 4.2 ka event in the central Mediterranean: New data from a Corchia speleothem (Apuan Alps, central Italy)
作者: Isola I.; Zanchetta G.; Drysdale R.N.; Regattieri E.; Bini M.; Bajo P.; Hellstrom J.C.; Baneschi I.; Lionello P.; Woodhead J.; Greig A.
刊名: Climate of the Past
ISSN: 18149324
出版年: 2019
卷: 15, 期:1
起始页码: 135
结束页码: 151
语种: 英语
英文摘要: We present new data on the 4.2 ka event in the central Mediterranean from Corchia Cave (Tuscany, central Italy) stalagmite CC27. The stalagmite was analyzed for stable isotopes (δ13C and δ18O) and trace elements (Mg, U, P, Y), with all proxies showing a coherent phase of reduced cave recharge between ca. 4.5 and 4.1 ka BP. Based on the current climatological data on cyclogenesis, the reduction in cave recharge is considered to be associated with the weakening of the cyclone center located in the Gulf of Genoa in response to reduced advection of air masses from the Atlantic during winter. These conditions, which closely resemble a positive North Atlantic Oscillation (NAO) type of configuration, are associated with cooler and wetter summers with reduced sea warming, which reduced the western Mediterranean evaporation during autumn-early winter, further reducing precipitation. © Author(s) 2019.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/122250
Appears in Collections:气候变化事实与影响

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作者单位: Istituto Nazionale di Geofisica e Vulcanologia, Pisa, Italy; Dipartimento di Scienze della Terra, University of Pisa, Pisa, Italy; School of Geography, University of Melbourne, Melbourne, Australia; School of Earth Sciences, University of Melbourne, Melbourne, Australia; Istituto di Geoscience e Georisorse-CNR, Pisa, Italy; Dipartimento Scienze e Tecnologie Biologiche e Ambientali, Università Del Salento, Lecce, Italy

Recommended Citation:
Isola I.,Zanchetta G.,Drysdale R.N.,et al. The 4.2 ka event in the central Mediterranean: New data from a Corchia speleothem (Apuan Alps, central Italy)[J]. Climate of the Past,2019-01-01,15(1)
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