新着論文紹介(2009/11/24)

Global and Planetary Change
1. History of the Antarctic Peninsula Ice Sheet since the early Pliocene—Evidence from cosmogenic dating of Pliocene lavas on James Ross Island, Antarctica
Johnson et al. (2009) 69, 205-213.
宇宙線照射生成各種(He-3)を用いて、南極半島北部、James Ross島の氷床変動を復元。
2. Variability and teleconnectivity of northeast monsoon rainfall over India
Nayagam et al. (2009) 69, 225-231.
1951-2003間のNortheast monsoon (NEM)時のインド半島の降水量の空間的、経時的な変化を調べた論文。
GRL
3. Asymmetries in the moisture origin of Antarctic precipitation
Sodemann and Stohl (2009) 36, L22803.
南極に降水をもたらす湿気の起源は、南極大陸の地形や、季節的な海氷の被覆、南半球の中緯度地域の陸海コントラストに関連していることがわかった。
JGR
4. Circumpolar structure and distribution of the Antarctic Circumpolar Current fronts: 2. Variability and relationship to sea surface height
Sokolov and Rintoul (2009) 114, C11019.
海水表層の高さの観測結果をもとに南極海流の変化を調べた。
5. Circumpolar structure and distribution of the Antarctic Circumpolar Current fronts: 1. Mean circumpolar paths
Sokolov and Rintoul (2009) 114, C11018.
15年間の海水表層の高さの観測結果から、南極海流の構造と分布を明らかにし、特に複数の前線からなっていることが分かった。

新着論文紹介 (2009/11/17)

☆ Earth and Planetary Science Letters ☆

Volume 288, Issues 1-2, Pages 1-348 (30 October 2009)

Asami, R., T. Felis, P. Deschamps, K. Hanawa, Y. Iryu, E. Bard, N. Durand and M. Murayama

Evidence for tropical South Pacific climate change during the Younger Dryas and the Bølling–Allerød from geochemical records of fossil Tahiti corals

Pages 96-107

☆ Palaeogeography, Palaeoclimatology, Palaeoecology ☆

Volume 283, Issues 3-4, Pages 107-216 (10 December 2009)

Iriondo, M., E. Brunetto and D. Kröhling

Historical climatic extremes as indicators for typical scenarios of Holocene climatic periods in the Pampean plain

Pages 107-119

☆ Quaternary International ☆

Volume 210, Issues 1-2, Pages 1-110 (1 December 2009)

特集 “The Ensenadan Stage/Age in southern South America”

南米南部におけるEnsenadan Stage/Age (約2.1 – 0.5 Ma) の様々な分野 (年代学、地質学、氷河変動、気候モデル、など) の論文が載っている。

☆ Quaternary Science Reviews ☆

Volume 28, Issues 25-26, Pages 2551-3010 (December 2009)

Lee, S.-Y. and C. J. Poulsen

Obliquity and precessional forcing of continental snow fall and melt: implications for orbital forcing of Pleistocene ice ages

Pages 2663-2674

大気‐海洋結合GCM実験で、地軸の傾きと離心率の変化が降雪と融解に与える影響を調べた。

Debret, M., D. Sebag, X. Crosta, N. Massei, J.-R. Petit, E. Chapron and V. Bout-Roumazeilles

Evidence from wavelet analysis for a mid-Holocene transition in global climate forcing

Pages 2675-2688

海洋堆積物コア、氷床コア、スペレオセムなどの古気候記録のウェーブレット解析から完新世中期のトランジッションが明らかになった。

Hodgson, D. A., E. Verleyen, W. Vyverman, K. Sabbe, M. J. Leng, M. D. Pickering and B. J. Keely

A geological constraint on relative sea level in Marine Isotope Stage 3 in the Larsemann Hills, Lambert Glacier region, East Antarctica (31,366–33,228 cal yr BP)

Pages 2689-2696

東南極Larsemann Hillsの地質学的な証拠から、この地域はMIS3以降、氷床に覆われていないことが示唆された。

Roberts, D. H., A. J. Long, C. Schnabel, B. J. Davies, S. Xu, M. J. R. Simpson and P. Huybrechts

Ice sheet extent and early deglacial history of the southwestern sector of the Greenland Ice Sheet

Pages 2760-2773

¹⁰Beと²⁶Alの表面照射年代法から、グリーンランド南西部の氷厚の減少は21.0 – 9.8 kaにかけておきたことが明らかになった。

Graham, A. G. C., R. D. Larter, K. Gohl, C.-D. Hillenbrand, J. A. Smith and G. Kuhn

Bedform signature of a West Antarctic palaeo-ice stream reveals a multi-temporal record of flow and substrate control

Pages 2774-2793

西南極アムンゼン湾西部の大陸棚上の海底地形から過去の氷流のアクティビティを調べた。

Abram, N. J., H. V. McGregor, M. K. Gagan, W. S. H. and B. W. Suwargadi

Oscillations in the southern extent of the Indo-Pacific Warm Pool during the mid-Holocene

Pages 2794-2803

Glasser, N. F., S. Harrison and K. N. Jansson

Topographic controls on glacier sediment–landform associations around the temperate North Patagonian Icefield

Pages 2817-2832

Sima, A., D.-D. Rousseau, M. Kageyama, G. Ramstein, M. Schulz, Y. Balkanski, P. Antoine, F. Dulac and C. Hatté

Imprint of North-Atlantic abrupt climate changes on western European loess deposits as viewed in a dust emission model

Pages 2851-2866

Sierro, F. J., N. Andersen, M. A. Bassetti, S. Berné, M. Canals, J. H. Curtis, B. Dennielou, J. A. Flores, J. Frigola, B. Gonzalez-Mora, J. O. Grimalt, D. A. Hodell, G. Jouet, M. Pérez-Folgado and R. Schneider

Phase relationship between sea level and abrupt climate change

Pages 2867-2881

新しい方法 (大陸棚付近の堆積物に記録された海水準変動の痕跡に着目した方法) を用いて復元した海水準変動記録とグリーンランドの氷床コアの記録を比較した。全球的な洪水イベントは、北半球氷床の顕著な融解によって生じることが示された。

Almogi-Labin, A., M. Bar-Matthews, D. Shriki, E. Kolosovsky, M. Paterne, B. Schilman, A. Ayalon, Z. Aizenshtat and A. Matthews

Climatic variability during the last 90 ka of the southern and northern Levantine Basin as evident from marine records and speleothems

Pages 2882-2896

Haberzettl, T., F. S. Anselmetti, S. W. Bowen, M. Fey, C. Mayr, B. Zolitschka, D. Ariztegui, B. Mauz, C. Ohlendorf, S. Kastner, A. Lücke, F. Schäbitz and M. Wille

Late Pleistocene dust deposition in the Patagonian steppe - extending and refining the paleoenvironmental and tephrochronological record from Laguna Potrok Aike back to 55 ka

Pages 2927-2939

アルゼンチンのマール (Laguna Potrok Aike湖) から得られた過去55 kaの連続記録から、南アメリカ南部のステップ地域の古環境を明らかにした。

Antoine, P., D.-D. Rousseau, O. Moine, S. Kunesch, C. Hatté, A. Lang, H. Tissoux and L. Zöller

Rapid and cyclic aeolian deposition during the Last Glacial in European loess: a high-resolution record from Nussloch, Germany

Pages 2955-2973

Toucanne, S., S. Zaragosi, J. F. Bourillet, P. L. Gibbard, F. Eynaud, J. Giraudeau, J. L. Turon, M. Cremer, E. Cortijo, P. Martinez and L. Rossignol

A 1.2 Ma record of glaciation and fluvial discharge from the West European Atlantic margin

Pages 2974-2981

Hua, Q., M. Barbetti, D. Fink, K. F. Kaiser, M. Friedrich, B. Kromer, V. A. Levchenko, U. Zoppi, A. M. Smith and F. Bertuch

Atmospheric ¹⁴C variations derived from tree rings during the early Younger Dryas

Pages 2982-2990

オーストラリア・タスマニアで得られた617年分の年輪から、ヤンガードリアス初期の高精度・高時間分解能な大気中の¹⁴C変動を明らかにした。

Hall, S. R., D. L. Farber, J. M. Ramage, D. T. Rodbell, R. C. Finkel, J. A. Smith, B. G. Mark and C. Kassel

Geochronology of Quaternary glaciations from the tropical Cordillera Huayhuash, Peru

Pages 2991-3009

¹⁰Beの表面照射年代と氷河堆積物の¹⁴C年代から、ペルーの山岳氷河の変動を明らかにした。

☆ Geochemistry, Geophysics, Geosystems ☆

Blinov, A., V. Alfimov, J. Beer, D. Gilichinsky, L. Schirrmeister, A. Kholodov, P. Nikolskiy, T. Opel, D. Tikhomirov and S. Wetterich

Ratio of ³⁶Cl/Cl in ground ice of east Siberia and its application for chronometry

Geochem. Geophys. Geosyst., 10, Q0AA03, doi:10.1029/2009GC002548 (11 November 2009)

☆ Geophysical Research Letters ☆

Nurhati, I. S., K. M. Cobb, C. D. Charles and R. B. Dunbar

Late 20th century warming and freshening in the central tropical Pacific

Geophys. Res. Lett., 36, L21606, doi:10.1029/2009GL040270 (12 November 2009)

サンゴの記録をベースに、20世紀後半の中部熱帯太平洋におけるSSTとSSSを復元した。その結果、温暖化と淡水化傾向が見られ、熱帯太平洋はエルニーニョのような状態に向かっていることが示された。

Lalande, C., S. Bélanger and L. Fortier

Impact of a decreasing sea ice cover on the vertical export of particulate organic carbon in the northern Laptev Sea, Siberian Arctic Ocean

Geophys. Res. Lett., 36, L21604, doi:10.1029/2009GL040570 (10 November 2009)

☆ Global Biogeochemical Cycles ☆

Mischler, J. A., T. A. Sowers, R. B. Alley, M. Battle, J. R. McConnell, L. Mitchell, T. Popp, E. Sofen and M. K. Spencer

Carbon and hydrogen isotopic composition of methane over the last 1000 years

Global Biogeochem. Cycles, 23, GB4024, doi:10.1029/2009GB003460 (13 November 2009)

西南極で掘削された氷床コア (WDC05A) に含まれるメタンの炭素と水素の同位体比 (δ¹³CとδD) を測定した。

☆Journal of Geophysical Research - Earth Surface ☆

Schildgen, T. F., T. A. Ehlers, D. M. Whipp, M. C. van Soest, K. X. Whipple and K. V. Hodges

Quantifying canyon incision and Andean Plateau surface uplift, southwest Peru: A thermochronometer and numerical modeling approach

J. Geophys. Res., 114, F04014, doi:10.1029/2009JF001305 (12 November 2009)

☆ Paleoceanography ☆

Eisenman, I., C. M. Bitz and E. Tziperman

Rain driven by receding ice sheets as a cause of past climate change

Paleoceanography, 24, PA4209, doi:10.1029/2009PA001778 (10 November 2009)

新着論文紹介(This week's papers)：11/17

Science 2009 11/13, vol.326 No.5955

Partitioning Recent Greenland Mass Loss

  M.van den Broeke, J.Bamber, J.Ettema,E.Rignot, E.Schrama, W.J.van de Berg, E.van Meijgaard, I.Velicogna, B.Wouters

　表面質量収支と衛星による重力データの組み合わせから，現代のグリーンランド氷床の現象について定量化が実現した。2000~2008年の間に全球海水準にして0.46mm分の質量減少が起きていた。

 

Nature 2009 11/12, vol.462 No.7270

Oxygen and hydrogen isotope evidence for a temperate climate 3.42billion years ago

  M.T.Hren, M.M.Tice, C.P.Chamberlain

　先カンブリア時代のチャートのδ18Oから、約35億年前の海洋は55~88℃だったと考えられてきたが、δ18Oと水素同位対比を組み合わせた新しい分析法からは、40℃以下であったという結果が出た。

 

PNAS 2009 11/10

 

新着論文紹介（2009/11/04）

☆Geophysical Research Letters☆

Extratropical forcing of Sahel aridity during Heinrich stadials
Niedermeyer, E. M., M. Prange, S. Mulitza, G. Mollenhauer, E. Schefuß, and M. Schulz (2009), Geophys. Res. Lett., 36, L20707, doi:10.1029/2009GL039687.
→セネガル沖堆積物のアルケノン古水温計・有孔虫d13Cから、過去44kyrの海洋環境・サヘル干ばつを復元。サヘルの干ばつのトリガーは、熱帯大西洋ではなく、中高緯度の大西洋らしい。

Global surface cooling: The atmospheric fast feedback response to a collapse of the thermohaline circulation
Laurian, A., S. S. Drijfhout, W. Hazeleger, and R. van Dorland (2009), Geophys. Res. Lett., 36, L20708, doi:10.1029/2009GL040938.
→熱塩循環の停止が気候に与える影響を、一次元放射対流モデルで計算。水蒸気量が減るのが、寒冷化の主要なフィードバックらしい。

Anthropogenic forcing dominates sea level rise since 1850
Jevrejeva, S., A. Grinsted, and J. C. Moore (2009), Geophys. Res. Lett., 36, L20706, doi:10.1029/2009GL040216.
→遅延応答統計モデルを用いて、過去1000年間の海水準変動の原因を推定。AD1800までは、自然の強制力（火山＋太陽活動）が主な原因だが、過去200年間は人為起源の強制力が主。

A new perspective on warming of the global oceans
Palmer, M. D., S. A. Good, K. Haines, N. A. Rayner, and P. A. Stott (2009), Geophys. Res. Lett., 36, L20709, doi:10.1029/2009GL039491.
→気候の内部変動は、海洋表層水温に大きく影響を与えるため、海洋温暖化の原因として自然起源と人為起源を分けるのに問題があったが、内部変動起源の海洋温暖化を除く手法を開発。

A continuous high-resolution dust record for the reconstruction of wind systems in central Europe (Eifel, Western Germany) over the past 133 ka
Seelos, K., F. Sirocko, and S. Dietrich (2009), Geophys. Res. Lett., 36, L20712, doi:10.1029/2009GL039716.


☆JGR-Atmosphere☆

Improving ice core interpretation using in situ and reanalysis data
Thomas, E. R., and T. J. Bracegirdle (2009), J. Geophys. Res., 114, D20116, doi:10.1029/2009JD012263.
→南西南極半島で採取された氷床コアのデータ解釈のため、氷床コアプロキシと観測気象データ・再解析気象データとを比較。

Atmospheric soluble dust records from a Tibetan ice core: Possible climate proxies and teleconnection with the Pacific Decadal Oscillation
Grigholm, B., P. A. Mayewski, S. Kang, Y. Zhang, S. Kaspari, S. B. Sneed, and Q. Zhang (2009), J. Geophys. Res., 114, D20118, doi:10.1029/2008JD011242.
→チベット高原のアイスコアを新しく採取し、酸素同位体、主要イオン、放射性核種を、AD1935-2005の70年間分分析。ダスト量が、PDOと関係？


☆JGR-Solid Earth☆

Localization of Quaternary slip rates in an active rift in 105 years: An example from central Greece constrained by 234U-230Th coral dates from uplifted paleoshorelines
Roberts, G. P., S. L. Houghton, C. Underwood, I. Papanikolaou, P. A. Cowie, P. van Calsteren, T. Wigley, F. J. Cooper, and J. M. McArthur (2009), J. Geophys. Res., 114, B10406, doi:10.1029/2008JB005818.


☆Paleoceanography☆

Middle-late Pleistocene deep water circulation in the southwest subtropical Pacific
Russon, T., M. Elliot, C. Kissel, G. Cabioch, P. De Deckker, and T. Corrège (2009), Paleoceanography, 24, PA4205, doi:10.1029/2009PA001755.
→ニューカレドニアトラフの堆積物コアの底生有孔虫d13Cから、中期－後期Pleistoceneにおける南西亜熱帯太平洋の水塊混合レジームを復元。氷期の南大洋の炭素吸収量を減らしていた？

Environmental versus biomineralization controls on the intratest variation in the trace element composition of the planktonic foraminifera G. inflata and G. scitula
Hathorne, E. C., R. H. James, and R. S. Lampitt (2009), Paleoceanography, 24, PA4204, doi:10.1029/2009PA001742.
→北大西洋の深海3000mで堆積物トラップで浮遊性有孔虫を採取し、Mg/Ca, Li/Ca, B/Ca, Mn/Ca, Ba/Caなど微量元素組成の殻内分布をLA-ICP/MSなどで調べた。


☆Earth and Planetary Science Letters☆ 287(3-4) 15 October

Cosmogenic 26Al in the atmosphere and the prospect of a 26Al/10Be chronometer to date old ice
Matthias Auer, Dietmar Wagenbach, Eva Maria Wild, Anton Wallner, Alfred Priller, Heinrich Miller, Clemens Schlosser, Walter Kutschera
Earth and Planetary Science Letters, Volume 287, Issues 3-4, Pages 453-462

Initial effects of oceanic warming on a coupled ocean–ice shelf–ice stream system
Ryan T. Walker, Todd K. Dupont, David M. Holland, Byron R. Parizek, Richard B. Alley
Earth and Planetary Science Letters, Volume 287, Issues 3-4, Pages 483-487

Geomagnetic intensity spike recorded in high resolution slag deposit in Southern Jordan
Erez Ben-Yosef, Lisa Tauxe, Thomas E. Levy, Ron Shaar, Hagai Ron, Mohammad Najjar
Earth and Planetary Science Letters, Volume 287, Issues 3-4, Pages 529-539


☆Geochimica et Cosmochimica Acta☆ 73(21) 15th Nov, 1st Dec 2009

Fractionation of oxygen and hydrogen isotopes in evaporating water
Boaz Luz, Eugeni Barkan, Ruth Yam, Aldo Shemesh
Geochimica et Cosmochimica Acta, Volume 73, Issue 22, Pages 6697-6703

Millennial/centennial-scale thermocline ventilation changes in the Indian Ocean as reflected by aragonite preservation and geochemical variations in Arabian Sea sediments
Philipp Böning, Edouard Bard
Geochimica et Cosmochimica Acta, Volume 73, Issue 22, Pages 6771-6788

Controls on the isotopic composition of surface water and precipitation in the Northern Andes, Colombian Eastern Cordillera
Joel E. Saylor, Andrés Mora, Brian K. Horton, Junsheng Nie
Geochimica et Cosmochimica Acta, Volume 73, Issue 23, Pages 6999-7018

Equilibrium 2H/1H fractionations in organic molecules: I. Experimental calibration of ab initio calculations
Ying Wang, Alex L. Sessions, Robert J. Nielsen, William A. Goddard III
Geochimica et Cosmochimica Acta, Volume 73, Issue 23, Pages 7060-7075

Equilibrium 2H/1H fractionations in organic molecules. II: Linear alkanes, alkenes, ketones, carboxylic acids, esters, alcohols and ethers
Ying Wang, Alex L. Sessions, Robert J. Nielsen, William A. Goddard III
Geochimica et Cosmochimica Acta, Volume 73, Issue 23, Pages 7076-7086


☆Chemical Geology☆ 268(3-4) 30 Nov 2009

Environmental analysis of paleoceanographic systems based on molybdenum–uranium covariation
T.J. Algeo, N. Tribovillard
Chemical Geology, Volume 268, Issues 3-4, Pages 211-225

Deglacial variations of Sr and 87Sr/86Sr ratio recorded by a stalagmite from Central China and their association with past climate and environment
Houyun Zhou, Yue-xing Feng, Jian-xin Zhao, Chuan-Chou Shen, Chen-Feng You, Yin Lin
Chemical Geology, Volume 268, Issues 3-4, Pages 233-247


☆Organic Geochemistry☆ 40(12) Dec 2009

Effects of long term oxic degradation on the , TEX86 and BIT organic proxies
Carme Huguet, Jung-Hyun Kim, Gert J. de Lange, Jaap S. Sinninghe Damsté, Stefan Schouten
Organic Geochemistry, Volume 40, Issue 12, Pages 1188-1194

担当：山口保彦（M2）

11/4 新着論文紹介

PNAS
Recent changes in a remote Arctic lake are unique within the past 200,000 years
Yarrow Axford, Jason P. Briner, Colin A. Cooke, Donna R. Francis, Neal Michelutti, Gifford H. Miller, John P. Smol, Elizabeth K. Thomas, Cheryl R. Wilson, and Alexander P. Wolfe
PNAS 2009 106:18443-18446; published online before print October 19, 2009, doi:10.1073/pnas.0907094106

Geology
The combined effect of sea level and supply during Milankovitch cyclicity: Evidence from shallow-marine 18O records and sequence architecture (Adriatic margin)
D. Ridente, F. Trincardi, A. Piva, and A. Asioli
Geology 2009 v. 37, p. 1003-1006.

Timing and structure of the 8.2 kyr B.P. event inferred from 18O records of stalagmites from China, Oman, and Brazil
Hai Cheng, Dominik Fleitmann, R. Lawrence Edwards, Xianfeng Wang, Francisco W. Cruz, Augusto S. Auler, Augusto Mangini, Yongjin Wang, Xinggong Kong, Stephen J. Burns, and Albert Matter
Geology 2009 v. 37, p. 1007-1010.

Timing and magnitude of recent accelerated sea-level rise (North Carolina, United States)
Andrew C. Kemp, Benjamin P. Horton, Stephen J. Culver, D. Reide Corbett, Orson van de Plassche, W. Roland Gehrels, Bruce C. Douglas, and Andrew C. Parnell
Geology 2009 v. 37, p. 1035-1038.

Nature Geoscience November 2009 - Vol 2 No 11

Palaeoceanography: Tracking ancient sea ice –
pp743 - 744
Niels Nørgaard-Pedersen
Sea ice is an integral component of the climate system, but a difficult one to reconstruct. Biochemical tracers preserved in marine sediments now reveal the waxing and waning of sea ice since the Last Glacial Maximum in an Arctic Ocean gateway.

Atmospheric science: ENSO and the stratosphere
pp749 - 750
Elisa Manzini
The El Niño/Southern Oscillation phenomenon is the most prominent source of climate variability. Emerging evidence suggests that its signature is not limited to the lower layers of the atmosphere.
Variability of sea-ice conditions in the Fram Strait over the past 30,000 years
pp772 - 776
Juliane Müller, Guillaume Massé, Rüdiger Stein & Simon T. Belt
Sea ice is a critical component of the climate and oceanographic system in the North Atlantic Ocean. A biomarker record reveals millennial-scale and glacial–interglacial fluctuations in sea-ice coverage in the northernmost Atlantic Ocean over the past 30,000 years.


Yamazaki(M1)