11/02/2011

新着論文紹介 This Week' New Paper (2011.11.1) AGU, Elsevier etc

[AGU, EGU]

☆Geophysical Research Letters☆ 2011/10/24-10/30

Testing the 231Pa/230Th paleocirculation proxy: A data versus 2D model comparison
Lippold, J., J.-M. Gherardi, and Y. Luo
Geophys. Res. Lett., 38, L20603, doi:10.1029/2011GL049282
→堆積物中Pa/Thが、大西洋の海洋循環(AMOC)を反映するプロキシになるらしい。データと2次元モデル計算を比較して有用性を調べた。

A warm Miocene climate at low atmospheric CO2 levels
Knorr, G., M. Butzin, A. Micheels, and G. Lohmann
Geophys. Res. Lett., 38, L20701, doi:10.1029/2011GL048873
→Late Miocene(11-7Ma)の温暖な気候が、産業革命前と同じCO2濃度でAOGCMで実現できた。温暖な気候は植生のせいだったらしい。

Rapid settlement of Majuro Atoll, central Pacific, following its emergence at 2000 years CalBP
Kayanne, H., T. Yasukochi, T. Yamaguchi, H. Yamano, and M. Yoneda
Geophys. Res. Lett., 38, L20405, doi:10.1029/2011GL049163
→中央太平洋マーシャル諸島のAtoll島の2kaにおける形成と海水準変動。


☆Journal of Geophysical Research - Atmosphere☆ 2011/10/24-10/30

The influence of precipitation weighting on interannual variability of stable water isotopes in Greenland
Persson, A., P. L. Langen, P. Ditlevsen, and B. M. Vinther
J. Geophys. Res., 116, D20120, doi:10.1029/2010JD015517
→季節による降水量の変化が、北部Greenlandアイスコアの同位体組成記録による気温復元を難しくする。冬の層が年平均気温をよく表している?

On high-resolution sampling of short ice cores: Dating and temperature information recovery from Antarctic Peninsula virtual cores
Sime, L. C., N. Lang, E. R. Thomas, A. K. Benton, and R. Mulvaney
J. Geophys. Res., 116, D20117, doi:10.1029/2011JD015894
→アイスコア同位体組成を高解像度で分析すると何が分かるかを、南極半島の過去40年の気象データから仮想的アイスコアを構築して考察。


☆Journal of Geophysical Research - Oceans☆ 2011/10/24-10/30

Constraints in the application of the Branched and Isoprenoid Tetraether index as a terrestrial input proxy
Fietz, S., A. Martínez-Garcia, C. Huguet, G. Rueda, and A. Rosell-Melé
J. Geophys. Res., 116, C10032, doi:10.1029/2011JC007062
→海への陸源物質流入の指標として最近よく用いられるBIT index(土壌バクテリアテトラエーテル脂質を用いた指標)の注意点。海洋アーキアテトラエーテル脂質が増減しても、indexは変わってしまう。


☆Paleoceanography☆ 2011/10/24-10/30

Northeastern Pacific oxygen minimum zone variability over the past 70 kyr: Impact of biological production and oceanic ventilation
Cartapanis, O., K. Tachikawa, and E. Bard
Paleoceanography, 26, PA4208, doi:10.1029/2011PA002126
→北東太平洋の酸素極小層(OMZ)の過去7万年間の挙動を、カリフォルニア沖堆積物の主要元素・微量元素分析から復元。エクスポート生産と中層酸素濃度が重要。


☆Geochemistry, Geophysics, Geosystems☆ 2011/10/24-10/30

Coupled 100-kyr cycles between 3 and 1 Ma in terrestrial and marine paleoclimatic records
Nie, J.
Geochem. Geophys. Geosyst., 12, Q10Z32, doi:10.1029/2011GC003772
→3-1Maの古気候記録における10万年周期成分について。


☆Climate of the Past☆ 2011/10/24-10/30

Interhemispheric gradient of atmospheric radiocarbon reveals natural variability of Southern Ocean winds
K. B. Rodgers, S. E. Mikaloff-Fletcher, D. Bianchi, C. Beaulieu, E. D. Galbraith, A. Gnanadesikan, A. G. Hogg, D. Iudicone, B. R. Lintner, T. Naegler, P. J. Reimer, J. L. Sarmiento, and R. D. Slater
Clim. Past, 7, 1123-1138, 2011
→過去1000年間の樹木年輪14C記録の北半球-南半球の差を気候モデルで解釈。南大洋の風が重要らしい。


☆Geological Society of America Bulletin☆
☆Journal of Geophysical Research - Biogeoscience☆
☆Global Biogeochemical Cycles☆
☆Biogeosciences☆
特になし


[Elsevier]

☆Earth and Planetary Science Letters☆ Volume 311, Issues 3-4, 15 Nov 2011 (in progress)

Millennial scale cyclicity in the geodynamo inferred from a dipole tilt reconstruction
Andreas Nilsson, Raimund Muscheler, Ian Snowball
Earth and Planetary Science Letters, Volume 311, Issues 3-4, 15 November 2011, Pages 299-305
→完新世の地磁気双極子の傾きの変動を堆積物古地磁気記録から復元。1350年周期があるらしい。


☆Geochimica et Cosmochimica Acta☆ Volume 75, Issue 22, Pages 6727-7400 (15 November 2011)

Paleo-environmental implication of clumped isotopes in land snail shells
Shikma Zaarur, Gerard Olack, Hagit P. Affek
Geochimica et Cosmochimica Acta, Volume 75, Issue 22, 15 November 2011, Pages 6859-6869
→カタツムリの殻の13C-18O clumped isotope。同位体平衡でaragoniteが形成。過去の気温や降水d18Oが復元できそう。

Low stable carbon isotope fractionation by coccolithophore RubisCO
Amanda J. Boller, Phaedra J. Thomas, Colleen M. Cavanaugh, Kathleen M. Scott
Geochimica et Cosmochimica Acta, Volume 75, Issue 22, 15 November 2011, Pages 7200-7207
→ココリスのRubisCOの炭素同位体分別を計測したら、従来よく使われていたシアノバクテリアの分別係数(18-29‰)より小さく、11‰しかなかった。海洋有機物の炭素同位体組成の解釈に影響しそう。

Inter-laboratory comparison of oxygen isotope compositions from biogenic silica
Bernhard Chapligin, Melanie J. Leng, Elizabeth Webb, Anne Alexandre, Justin P. Dodd, Akira Ijiri, Andreas Lücke, Aldo Shemesh, Andrea Abelmann, Ulrike Herzschuh, Fred J. Longstaffe, Hanno Meyer, Robert Moschen, Yusuke Okazaki, Nicholas H. Rees, Zachary D. Sharp, Hilary J. Sloane, Corinne Sonzogni, George E.A. Swann, Florence Sylvestre, et al.
Geochimica et Cosmochimica Acta, Volume 75, Issue 22, 15 November 2011, Pages 7242-7256
→生物源シリカの酸素同位体組成の測定値を、世界中の様々なラボ間で比較。様々な手法でもよく一致した。working standardsも提案。

Controls on ostracod valve geochemistry, Part 1: Variations of environmental parameters in ostracod (micro-)habitats
Laurent Decrouy, Torsten Walter Vennemann, Daniel Ariztegui
Geochimica et Cosmochimica Acta, Volume 75, Issue 22, 15 November 2011, Pages 7364-7379

Controls on ostracod valve geochemistry: Part 2. Carbon and oxygen isotope compositions
Laurent Decrouy, Torsten Walter Vennemann, Daniel Ariztegui
Geochimica et Cosmochimica Acta, Volume 75, Issue 22, 15 November 2011, Pages 7380-7399
→貝形虫(ostracod)の殻の地球化学成分(Mg/Ca、Sr/Ca、d18O、d13C)に決める環境要因を調べた×2。


☆Marine Geology☆ Volume 288, Issues 1-4, 1 October 2011

Relict sea-floor ploughmarks record deep-keeled Antarctic icebergs to 45°S on the Argentine margin
Jerónimo López-Martínez, Araceli Muñoz, Julian A. Dowdeswell, Clara Linés, Juan Acosta
Marine Geology, Volume 288, Issues 1-4, 1 October 2011, Pages 43-48
→南極の氷山がLGMにアルゼンチンの大陸棚まで到達して海底に跡を残したらしい。


☆Quaternary Science Reviews☆ Volume 30, Issues 23-24, November 2011

Quaternary environmental changes in the drylands of China – A critical review
Xiaoping Yang, Louis Scuderi, Philippe Paillou, Ziting Liu, Hongwei Li, Xiaozong Ren
Quaternary Science Reviews, Volume 30, Issues 23-24, November 2011, Pages 3219-3233
→中国北部の砂漠地帯の第四紀環境変動のレビュー。

Ocean circulation, ice sheet growth and interhemispheric coupling of millennial climate variability during the mid-Pleistocene (ca 800–400 ka)
M. Alonso-Garcia, F.J. Sierro, M. Kucera, J.A. Flores, I. Cacho, N. Andersen
Quaternary Science Reviews, Volume 30, Issues 23-24, November 2011, Pages 3234-3247
→IODP Site U1314の浮遊性・底生有孔虫の炭素・酸素同位体組成から、800–400 kaの北大西洋環境を復元。最終氷期のような千年スケールの南北バイポーラーシーソーなパターンがある?

Constraints on Lake Agassiz discharge through the late-glacial Champlain Sea (St. Lawrence Lowlands, Canada) using salinity proxies and an estuarine circulation model
Brandon Katz, Raymond G. Najjar, Thomas Cronin, John Rayburn, Michael E. Mann
Quaternary Science Reviews, Volume 30, Issues 23-24, November 2011, Pages 3248-3257
→最終氷期のAgassiz湖洪水の北大西洋への流入を、海水塩分復元とエスチュアリーモデルで復元。

Simulating idealized Dansgaard-Oeschger events and their potential impacts on the global methane cycle
Peter O. Hopcroft, Paul J. Valdes, David J. Beerling
Quaternary Science Reviews, Volume 30, Issues 23-24, November 2011, Pages 3258-3268
→D-Oイベントがメタン循環に与える影響を地球システムモデルで調べた。アイスコア記録に見られる大きな濃度変動振幅を実現するには、モデルに入っていない別のメカニズムが必要。

On the potential of coupling air content and O2/N2 from trapped air for establishing an ice core chronology tuned on local insolation
V.Ya. Lipenkov, D. Raynaud, M.F. Loutre, P. Duval
Quaternary Science Reviews, Volume 30, Issues 23-24, November 2011, Pages 3280-3289
→VostokアイスコアのO2/N2をローカルな日射量と比較し、年代決定に使えることを確認。

Speleothem magnetism
Ioan Lascu, Joshua M. Feinberg
Quaternary Science Reviews, Volume 30, Issues 23-24, November 2011, Pages 3306-3320
→鍾乳石を用いた古地磁気復元のレビュー。

Rapid deglaciation of Marguerite Bay, western Antarctic Peninsula in the Early Holocene
M.J. Bentley, J.S. Johnson, D.A. Hodgson, T. Dunai, S.P.H.T. Freeman, C. Ó Cofaigh
Quaternary Science Reviews, Volume 30, Issues 23-24, November 2011, Pages 3338-3349
→宇宙線照射年代で南極半島西部Marguerite湾の退氷を復元。9.6kaに270m以上薄くなったらしい。

Controls on deglacial changes in biogenic fluxes in the North Pacific Ocean
Karen E. Kohfeld, Zanna Chase
Quaternary Science Reviews, Volume 30, Issues 23-24, November 2011, Pages 3350-3363
→最終氷期から現在にかけての北太平洋の生物生産フラックスを230Th標準化で復元。14kaがピークで、海洋ventilationの変化が原因?

Variations in monsoonal rainfall over the last 21 kyr inferred from sedimentary organic matter in Tung-Yuan Pond, southern Taiwan
Tien-Nan Yang, Teh-Quei Lee, Philip A. Meyers, Sheng-Rong Song, Shuh-Ji Kao, Ludvig Löwemark, Rou-Fei Chen, Huei-Fen Chen, Kuo-Yen Wei, Cheng-Wei Fan, Liang-Jian Shiau, Hong-Wei Chiang, Yue-Gau Chen, Min-Te Chen
Quaternary Science Reviews, Volume 30, Issues 23-24, November 2011, Pages 3413-3422
→過去21kyrの東アジアモンスーン強度と降水量を台湾南部の湖堆積物TOC/TNから復元。

Reconstruction of past climate conditions over central Europe from groundwater data
J.A. Corcho Alvarado, M. Leuenberger, R. Kipfer, T. Paces, R. Purtschert
Quaternary Science Reviews, Volume 30, Issues 23-24, November 2011, Pages 3423-3429

Moisture dynamics in central Asia for the last 15 kyr: new evidence from Yili Valley, Xinjiang, NW China
Xiaoqiang Li, Keliang Zhao, John Dodson, Xinying Zhou
Quaternary Science Reviews, Volume 30, Issues 23-24, November 2011, Pages 3457-3466
→中国北西部の湖堆積物から過去15kyrの中央アジアの水循環を復元。北大西洋SSTと関係?


☆Quaternary Research☆ Volume 76, Issue 3, November 2011

Glacial advances constrained by 10Be exposure dating of bedrock landslides, Kyrgyz Tien Shan
Katia Sanhueza-Pino, Oliver Korup, Ralf Hetzel, Henry Munack, Johannes T. Weidinger, Stuart Dunning, Cholponbek Ormukov, Peter W. Kubik
Quaternary Research, Volume 76, Issue 3, November 2011, Pages 295-304

Glacial Lake Vitim, a 3000-km3 outburst flood from Siberia to the Arctic Ocean
Martin Margold, Krister N. Jansson, Arjen P. Stroeven, John D. Jansen
Quaternary Research, Volume 76, Issue 3, November 2011, Pages 393-396

10Be data from meltwater channels suggest that Jameson Land, east Greenland, was ice-covered during the last glacial maximum
Lena Håkansson, Jason P. Briner, Ala Aldahan, Göran Possnert
Quaternary Research, Volume 76, Issue 3, November 2011, Pages 452-459


☆Quaternary Geochronology☆ Volume 6, Issue 6, Pages 515-600 (December 2011)

Dating Pleistocene aeolian landforms in Hungary, Central Europe, using in situ produced cosmogenic 10BE
Zs. Ruszkiczay-Rüdiger, R. Braucher, G. Csillag, L.I. Fodor, T.J. Dunai, G. Bada, D. Bourlés, P. Müller
Quaternary Geochronology, Volume 6, Issue 6, December 2011, Pages 515-529

U-series dating of carbonates using inductively coupled plasma-quadrupole mass spectrometry
E. Hernández-Mendiola, J.P. Bernal, E. Lounejeva, G.E. Mortimer, M.T. McCulloch
Quaternary Geochronology, Volume 6, Issue 6, December 2011, Pages 564-573
→ICP-QMSで炭酸塩238U–234U–230Thを測定。精度 (2SE) は500 ng U を使って、3–4‰ (234U/238U)と6–7‰ (230Th/238U)。1-400kaの試料の年代決定に使えるらしい。


☆Palaeogeography, Palaeoclimatology, Palaeoecology☆
☆Chemical Geology☆
☆Organic Geochemistry☆
☆Global and Planetary Change☆
☆Quaternary International☆

今回は新号なし