9/26/2011

新着論文紹介 This Week' New Paper (2011.9.20) ELSEVIER, AGU, EGU

[AGU, GSA & EGU]

☆Geophysical Research Letters☆ 2011/9/12-9/18

Milankovitch-paced Termination II in a Nevada speleothem?
Shakun, J. D., S. J. Burns, P. U. Clark, H. Cheng, and R. L. Edwards
Geophys. Res. Lett., 38, L18701, doi:10.1029/2011GL048560
→ネバダLehman Cavesの鍾乳石の酸素同位体組成は、近くのDevils HoleのTermination-IIの記録(夏季日射量の上昇よりも10kyr早いとの報告で激しい議論があった)と合わず、ミランコビッチ理論と合う。

Revisiting the Earth's sea-level and energy budgets from 1961 to 2008
Church, J. A., N. J. White, L. F. Konikow, C. M. Domingues, J. G. Cogley, E. Rignot, J. M. Gregory, M. R. van den Broeke, A. J. Monaghan, and I. Velicogna
Geophys. Res. Lett., 38, L18601, doi:10.1029/2011GL048794
→1961-2008年における海水準変動とエネルギー収支をレビューして、様々な要因の寄与を推定。

Robust features of Atlantic multi-decadal variability and its climate impacts
Ting, M., Y. Kushnir, R. Seager, and C. Li
Geophys. Res. Lett., 38, L17705, doi:10.1029/2011GL048712
→Atlantic Multi-decadal Variability (AMV) をCMIP3シミュレーションで調べた。AMVにより大西洋ITCZが南北移動してサヘルなどで降水変化。太平洋SSTとも関連。


☆Journal of Geophysical Research - Atmosphere☆ 2011/9/12-9/18

South Pole ice core record of explosive volcanic eruptions in the first and second millennia A.D. and evidence of a large eruption in the tropics around 535 A.D.
Ferris, D. G., J. Cole-Dai, A. R. Reyes, and D. M. Budner
J. Geophys. Res., 116, D17308, doi:10.1029/2011JD015916
→過去1830年間の噴火記録を、南極South Poleアイスコアで調べた。年代誤差2%。AD535に赤道付近で巨大噴火があったらしい。


☆Journal of Geophysical Research - Biogeoscience☆ 2011/9/12-9/18

Establishment and formation of fog-dependent Tillandsia landbeckii dunes in the Atacama Desert: Evidence from radiocarbon and stable isotopes
Latorre, C., A. L. González, J. Quade, J. M. Fariña, R. Pinto, and P. A. Marquet
J. Geophys. Res., 116, G03033, doi:10.1029/2010JG001521
→アタカマ砂漠のTillandsiaのduneで、放射性炭素年代と安定炭素・窒素同位体組成を使って古環境復元ができる?


☆Paleoceanography☆ 2011/9/12-9/18

Assessing El Niño Southern Oscillation variability during the past millennium
Khider, D., L. D. Stott, J. Emile-Geay, R. Thunell, and D. E. Hammond
Paleoceanography, 26, PA3222, doi:10.1029/2011PA002139
→WPWP端のSulawesi Seaで浮遊性有孔虫Pulleniatina obliquiloculataの酸素同位体組成で、過去1000年のENSOを復元。中世気候変調期にはより強い/多いLa Nina。

Millennial-scale sea surface temperature and Patagonian Ice Sheet changes off southernmost Chile (53°S) over the past ∼60 kyr
Caniupán, M., F. Lamy, C. B. Lange, J. Kaiser, H. Arz, R. Kilian, O. Baeza Urrea, C. Aracena, D. Hebbeln, C. Kissel, C. Laj, G. Mollenhauer, and R. Tiedemann
Paleoceanography, 26, PA3221, doi:10.1029/2010PA002049
→チリ沖Strait of Magellan(南緯53度)の堆積物コアの過去6万年間のアルケノン古水温、浮遊性有孔虫酸素同位体組成。ODP Site 1233や南極Drowning Maud Landアイスコアの記録ともよく似ている。寒冷期における南大洋フロントとオパールベルトの北上?


☆Biogeosciences☆ 2011/9/12-9/18

Exploring B/Ca as a pH proxy in bivalves: relationships between Mytilus californianus B/Ca and environmental data from the northeast Pacific
S. J. McCoy, L. F. Robinson, C. A. Pfister, J. T. Wootton, and N. Shimizu
Biogeosciences, 8, 2567-2579, 2011
→二枚貝のB/Ca比とpHの関係。相関はあまり強くなく、生物的因子の方が強くきくらしい。

A laboratory experiment of intact polar lipid degradation in sandy sediments
J. Logemann, J. Graue, J. Köster, B. Engelen, J. Rullkötter, and H. Cypionka
Biogeosciences, 8, 2547-2560, 2011
→海洋堆積物中におけるIntact polar lipids (IPLs) の長期分解実験。エーテル結合脂質の方がエステル結合脂質よりも速く分解。TEX86の信頼性をめぐる議論にも影響。先週のIMOG2011でも口頭発表され、議論が盛り上がっていた。


☆Geological Society of America Bulletin☆ September 2011, v. 123, no. 9-10

Widespread basement erosion during the late Paleocene–early Eocene in the Laramide Rocky Mountains inferred from 87Sr/86Sr ratios of freshwater bivalve fossils
Majie Fan, Jay Quade, David Dettman, and Peter G. DeCelles
Geological Society of America Bulletin, September 2011, v. 123, no. 9-10, p. 2069-2082, doi:10.1130/B30219.1
→淡水二枚貝のSr同位体組成から基盤岩侵食風化を復元。

Widespread hillslope gullying on the southeastern Tibetan Plateau: Human or climate-change induced?
Jon D. Pelletier, Jay Quade, Ron J. Goble, and Mark S. Aldenderfer
Geological Society of America Bulletin, September 2011, v. 123, no. 9-10, p. 1926-1938, doi:10.1130/B30266.1
→チベットの渓谷の形成年代をOSL測定。中後期完新世。人間活動の影響と気候変動の影響。


☆Journal of Geophysical Research - Oceans☆
☆Global Biogeochemical Cycles☆
☆Geochemistry, Geophysics, Geosystems☆
☆Climate of the Past☆

特になし


[Elsevier]

☆Earth and Planetary Science Letters☆ Volume 309, Issues 3-4, 15 Sep 2011

Can climate variations be inferred from tree-ring parameters and stable isotopes from Larix decidua? Juvenile effects, budmoth outbreaks, and divergence issue
V. Daux, J.L. Edouard, V. Masson-Delmotte, M. Stievenard, G. Hoffmann, M. Pierre, O. Mestre, P.A. Danis, F. Guibal
Earth and Planetary Science Letters, Volume 309, Issues 3-4, 15 September 2011, Pages 221-233
→フランスアルプスのカラマツのセルロース酸素・炭素同位体組成が気候復元に使えるかどうか。酸素は前年のアルプスの冬の降水に関係していそうだが、イマイチ。炭素と酸素を組み合わせると、相対湿度は復元できそうらしい。

Controls on boron incorporation in cultured tests of the planktic foraminifer Orbulina universa
Katherine A. Allen, Bärbel Hönisch, Stephen M. Eggins, Jimin Yu, Howard J. Spero, Henry Elderfield
Earth and Planetary Science Letters, Volume 309, Issues 3-4, 15 September 2011, Pages 291-301
→浮遊性有孔虫でB/Ca比とpHなどの関係を飼育実験。炭酸系の変化に敏感だが、塩分やB濃度にも影響を受ける。LA-ICP-MSで分析したら、殻内不均一性がけっこうある。


☆Geochimica et Cosmochimica Acta☆ Volume 75, Issue 20, Pages 5819-6270 (15 October 2011)

The Hf–Nd isotopic composition of marine sediments
Jeff D. Vervoort, Terry Plank, Julie Prytulak
Geochimica et Cosmochimica Acta, Volume 75, Issue 20, 15 October 2011, Pages 5903-5926
→沈み込み帯海洋堆積物掘削試料のHf-Nd、Sm-Nd同位体組成。陸源物質の寄与などで変化。

Modelling Nd-isotopes with a coarse resolution ocean circulation model: Sensitivities to model parameters and source/sink distributions
Johannes Rempfer, Thomas F. Stocker, Fortunat Joos, Jean-Claude Dutay, Mark Siddall
Geochimica et Cosmochimica Acta, Volume 75, Issue 20, 15 October 2011, Pages 5927-5950
→低解像度な海洋モデルBern3Dで、Ndの濃度と同位体組成に影響する因子を包括的に調べた。観測と同様に、塩分と一緒に動くので水塊指標としての可能性を確認。

Nd and Sr isotope compositions in modern and fossil bones – Proxies for vertebrate provenance and taphonomy
Thomas Tütken, Torsten W. Vennemann, Hans-U. Pfretzschner
Geochimica et Cosmochimica Acta, Volume 75, Issue 20, 15 October 2011, Pages 5951-5970
→哺乳類の化石骨のNd・Sr同位体組成から、化石の保存や当時の生息地を推定できる?

The major ion, δ44/40Ca, δ44/42Ca, and δ26/24Mg geochemistry of granite weathering at pH = 1 and T = 25 °C: power-law processes and the relative reactivity of minerals
Jong-Sik Ryu, Andrew D. Jacobson, Chris Holmden, Craig Lundstrom, Zhaofeng Zhang
Geochimica et Cosmochimica Acta, Volume 75, Issue 20, 15 October 2011, Pages 6004-6026
→花崗岩風化実験におけるCa・Mg同位体組成の変化。溶存Ca・Mg同位体組成の変化は、分別よりも鉱物ごとの値の混合によるものらしい。

Experimental study of the aragonite to calcite transition in aqueous solution
Christina Perdikouri, Argyrios Kasioptas, Thorsten Geisler, Burkhard C. Schmidt, Andrew Putnis
Geochimica et Cosmochimica Acta, Volume 75, Issue 20, 15 October 2011, Pages 6211-6224
→160℃、200℃という熱水環境で、aragoniteからcalciteへの変質実験。さらに18O水のラベル実験。

A lacustrine GDGT-temperature calibration from the Scandinavian Arctic to Antarctic: Renewed potential for the application of GDGT-paleothermometry in lakes
Emma J. Pearson, Steve Juggins, Helen M. Talbot, Jan Weckström, Peter Rosén, David B. Ryves, Stephen J. Roberts, Roland Schmidt
Geochimica et Cosmochimica Acta, Volume 75, Issue 20, 15 October 2011, Pages 6225-6238
→湖堆積物中のbranched GDGT脂質により、温度が誤差2℃ぐらいで復元できるらしい。TEX86やMBT/CBTとはまた別の新しい指標。


☆Chemical Geology☆ Volume 289, Issues 1-2, Pages 1-178 (7 October 2011)

Molybdenum isotope fractionation in pelagic euxinia: Evidence from the modern Black and Baltic Seas
T.F. Nägler, N. Neubert, M.E. Böttcher, O. Dellwig, B. Schnetger
Chemical Geology, Volume 289, Issues 1-2, 7 October 2011, Pages 1-11
→現世の黒海とバルト海の嫌気的水塊・堆積物におけるのMo同位体分別。色々と複雑らしい。

Liquid–vapour homogenisation of fluid inclusions in stalagmites: Evaluation of a new thermometer for palaeoclimate research
Yves Krüger, Dominik Marti, Rita Hidalgo Staub, Dominik Fleitmann, Martin Frenz
Chemical Geology, Volume 289, Issues 1-2, 7 October 2011, Pages 39-47
→鍾乳石の流体包有物のliquid–vapour homogenisation温度測定による新しい気温復元手法。誤差は0.5℃くらいらしい。

Effects of seawater pH and calcification rate on test Mg/Ca and Sr/Ca in cultured individuals of the benthic, calcitic foraminifera Elphidium williamsoni
N. Allison, H. Austin, W. Austin, D.M. Paterson
Chemical Geology, Volume 289, Issues 1-2, 7 October 2011, Pages 171-178
→飼育実験した底生有孔虫の殻ごとのMg/Ca、Sr/Caに、pHや成長速度が与える影響は見られなかった。


☆Quaternary International☆ Volume 244, Issue 1, Pages 1-126 (1 November 2011)

Special Issue:
Gastropods and humans in the Late Palaeolithic and Mesolithic of the western Mediterranean basin
Edited by David Lubell and Nick Barton


☆Palaeogeography, Palaeoclimatology, Palaeoecology☆ Volume 310, Issues 1-2, Pages 1-138 (15 September 2011)

Special Issue:
Fossil bones and teeth: preservation or alteration of biogenic compositions?
Edited by Thomas Tutken and Torsten Vennemann


☆Quaternary Science Reviews☆
☆Organic Geochemistry☆
☆Marine Geology☆
☆Global and Planetary Change☆
☆Quaternary Research☆
☆Quaternary Geochronology☆

今回は新号なし