Yusuke Yokoyama Lab Diary: 新着論文紹介 (2010/06/02)

6/01/2010

新着論文紹介 (2010/06/02)

Earth and Planetary Science Letters

Volume 295, Issues 1-2, Pages 1-328 (15 June 2010)

Younger Dryas–Holocene temperature and rainfall history of southern Indonesia from δ¹⁸O in speleothem calcite and fluid inclusions

Michael L. Griffiths, Russell N. Drysdale, Hubert B. Vonhof, Michael K. Gagan, Jian-xin Zhao, Linda K. Ayliffe, Wahyoe S. Hantoro, John C. Hellstrom, Ian Cartwright, Silvia Frisia and Bambang W. Suwargadi

⇒南インドネシアの鍾乳石。過去12,640年の酸素、水素同位体比を測定。ヤンガードライアス時に急激な寒冷化（約５℃）とITCZの南下が起こっていたことが示唆された。

Multi-proxy reconstruction of surface water pCO₂ in the northern Arabian Sea since 29 ka

M.R. Palmer, G.J. Brummer, M.J. Cooper, H. Elderfield, M.J. Greaves, G.J. Reichart, S. Schouten and J.M. Yu

⇒アラビア海北部。有孔虫のホウ素同位体比、B/Ca比などを測定して5kaから29kaの間のpCO2を復元。

Climate driven glacial–interglacial variations in the osmium isotope composition of seawater recorded by planktic foraminifera

Kevin W. Burton, Abdelmouhcine Gannounand Ian J. Parkinson

⇒有孔虫を用いた海水中のオスミウム同位体比の復元。

Lessons learned from oxygen isotopes in modern precipitation applied to interpretation of speleothem records of paleoclimate from eastern Asia

Katherine E. Dayem, Peter Molnar, David S. Battisti and Gerard H. Roe

⇒中国各地の現在の酸素同位体比と降水量、気温を比較して各地の違いや共通点を調べた。中国の鍾乳石の酸素同位体比について評価。

Isotopic tracing (Sr, Nd, U and Hf) of continental and marine aerosols in an 18th century section of the Dye-3 ice core (Greenland)

M. Lupker, S.M. Aciego, B. Bourdon, J. Schwander and T.F. Stocker

⇒アイスコア中のSr,Nd,U,Hf同位体比を測定することで、ダストの起源を調べた。

Geochimica et Cosmochimica Acta

Volume 74, Issue 12, Pages 3351-3668 (15 June 2010)

The timing of sea-level high-stands during Marine Isotope Stages 7.5 and 9: Constraints from the uranium-series dating of fossil corals from Henderson Island

Morten B. Andersen, Claudine H. Stirling, Emma-Kate Potter, Alex N. Halliday, Steve G. Blake, Malcolm T. McCulloch, Bridget F. Ayling and Michael J. O’Leary

⇒海水準の話。サンゴ骨格中のU/Th比を用いて年代決定。

Geophysical Research Letters

Evidence of solar and tropical-ocean forcing of hydroclimate cycles in southeastern Australia for the past 6500 years

McGowan, H. A., S. K. Marx, J. Soderholm, and J. Denholm (2010),

Geophys. Res. Lett., 37, L10705, doi:10.1029/2010GL042918

Quaternary Science Reviews

Volume 29, Issues 11-12, Pages 1313-1502 (June 2010)

100,000 Years of African monsoon variability recorded in sediments of the Nile margin

Marie Revel, E. Ducassou, F.E. Grousset, S.M. Bernasconi, S. Migeon, S. Revillon, J. Mascle, A. Murat, S. Zaragosi and D. Bosch

⇒堆積物コア中の酸素同位体比、Sr同位体比、Nd同位体比など測定。過去100,000年のアフリカモンスーンの復元。

Late Quaternary evolution of Reedy Glacier, Antarctica

Claire Todd, John Stone, Howard Conway, Brenda Hall, Gordon Bromley