2017/08/29 New papers (AGU, EGU, GSA)

♣Climate of the past♣

1. Application of an ice sheet model to evaluate PMIP3 LGM climatologies over the North American ice sheets 

Jay R. Alder and Steve W. Hostetler

2. The C₃₂ alkane-1,15-diol as a proxy of late Quaternary riverine input in coastal margins 

Julie Lattaud¹, Denise Dorhout¹, Hartmut Schulz², Isla S. Castañeda^1,a, Enno Schefuß³, Jaap S. Sinninghe Damsté^1,4, and Stefan Schouten^1,4

3. A revised Law Dome age model (LD2017) and implications for last glacial climate 

Jason Roberts^1,2, Andrew Moy^1,2, Christopher Plummer^2,3, Tas van Ommen^1,2, Mark Curran^1,2, Tessa Vance², Samuel Poynter², Yaping Liu⁴, Joel Pedro⁵, Adam Treverrow², Carly Tozer^2,6, Lenneke Jong^2,3, Pippa Whitehouse⁷, Laetitia Loulergue⁸, Jerome Chappellaz⁸, Vin Morgan^1,2, Renato Spahni⁹, Adrian Schilt⁹, Cecilia MacFarling Meure¹⁰, David Etheridge¹⁰, and Thomas Stocker⁹

4. Underlying causes of Eurasian mid-continental aridity in simulations of mid-Holocene climate

Patrick J. Bartlein1, Sandy P. Harrison2 and Kenji Izumi1,3,4

♣GRL♣

5. Uncertainty in regional temperatures inferred from sparse global observations: application to a probabilistic classification of El Niño†

Maryam Ilyas, Christopher M. Brierley, Serge Guillas

6. Bathymetric control of warm ocean water access along the East Antarctic Margin

F. O. Nitsche, D. Porter, G. Williams, E. A. Cougnon, A. D. Fraser, R. Correia, R. Guerrero

7. Detection of Sea Level Fingerprints derived from GRACE gravity data.^†

Chia-Wei Hsu, Isabella Velicogna

8. Viscoelastic lower crust and mantle relaxation following the 14-16 April 2016 Kumamoto, Japan, earthquake sequence†

Fred F. Pollitz, Tomokazu Kobayashi, Hiroshi Yarai, Bunichiro Shibazaki, Takumi Matsumoto

♣Geochemistry, Geophysics, Geosystems♣

♣Paleoceanography♣

♣GSA♣

 ♣Global biogeochemical cycles♣

特に無し

2017/08/029 New Papers(Elsevier)

New Papers(Elsevier)

2017/08/21~27

Earth and Planetary Science Letters

1. A new model of marine sediment compression

Kylara Martin, Warren Wood

Global and Planetary Change

2. The Late-Glacial and Holocene Marboré Lake sequence (2612m a.s.l., Central Pyrenees, Spain): Testing high altitude sites sensitivity to millennial scale vegetation and climate variability

Maria Leunda, Penélope González-Sampériz, Graciela Gil-Romera, Josu Aranbarri, Ana Moreno, Belén Oliva-Urcia, Miguel Sevilla-Callejo, B. Valero-Garcés

Palaeogeography, Palaeoclimatology, Palaeoecology

3. Temperature-controlled culture experiments with primary polyps of coral Acropora digitifera: Calcification rate variations and skeletal Sr/Ca, Mg/Ca, and Na/Ca ratios

Tomoko Bell, Kozue Nishida, Kei Ishikawa, Atsushi Suzuki, Takashi Nakamura, Kazuhiko Sakai, Yoshikazu Ohno, Akira Iguchi, Yusuke Yokoyama

4. Investigating δ18O of Turbo sarmaticus (L. 1758) as an indicator of sea surface temperatures

Mariagrazia Galimberti, Emma Loftus, Judith Sealy

5. Reprint of "Shell oxygen isotope values and sclerochronology of the limpet Patella vulgata Linnaeus 1758 from northern Iberia: Implications for the reconstruction of past seawater temperatures"

Igor Gutiérrez-Zugasti, Roberto Suárez-Revilla, Leon J. Clarke, Bernd R. Schöne, Geoffrey N. Bailey, M.R. González-Morales

6. Oxygen isotopes from limpet shells: Implications for palaeothermometry and seasonal shellfish foraging studies in the Mediterranean

A.L. Prendergast, B.R. Schöne

7. Paleoenvironmental proxies in echinoid spines (Eucidaris galapagensis, Döderlein 1887) along a natural water temperature gradient

Peter Müller, Claire E. Reymond, Philipp Siegel, Hildegard Westphal

8. Marine paleoclimatic proxies: A shift from qualitative to quantitative estimation of seawater parameters

Rajeev Saraswat, Rajiv Nigam, Tiegang Li, Elizabeth M. Griffith

9. Effects of sample pretreatment and external contamination on bivalve shell and Carrara marble δ18O and δ13C signatures

Bernd R. Schöne, Katharina Schmitt, Michael Maus

10. Shell sclerochronology and stable isotopes of the bivalve Anomalocardia flexuosa (Linnaeus, 1767) from southern Brazil: Implications for environmental and archaeological studies

André Carlo Colonese, Sérgio Antônio Netto, André Silva Francisco, Paulo DeBlasis, Ximena S. Villagran, Raquel de Almeida Rocha Ponzoni, Y. Hancock, Niklas Hausmann, Deisi Sunderlick Eloy de Farias, Amy Prendergast, Bernd R. Schöne, Francisco William da Cruz, Paulo César Fonseca Giannini

11. New research on the development of high-resolution palaeoenvironmental proxies from geochemical properties of biogenic carbonates

A.L. Prendergast, E.A.A. Versteegh, B.R. Schöne

Quaternary International

12. Detailed reconstructions of Holocene climate and environmental changes in the Taman Peninsula (Kuban River delta region) and their correlation with rapid sea-level fluctuations of the Black Sea

N.S. Bolikhovskaya, А.V. Porotov, K. Richards, M.D. Kaitamba, S.S. Faustov, V.N. Korotaev

13. Microfossil evidence for recurrent coseismic subsidence around Lake Hamana, near the Nankai-Suruga trough, central Japan

Yoshiki Sato, Osamu Fujiwara

Quaternary Science Reviews

14. A stalactite record of four relative sea-level highstands during the Middle Pleistocene Transition

Paolo Stocchi, Fabrizio Antonioli, Paolo Montagna, Fabrizio Pepe, Valeria Lo Presti, Antonio Caruso, Marta Corradino, Gino Dardanelli, Pietro Renda, Norbert Frank, Eric Douville, François Thil, Bas de Boer, Rosario Ruggieri, Rosanna Sciortino, Catherine Pierre

15. A 1-Ma record of sea surface temperature and extreme cooling events in the North Atlantic: A perspective from the Iberian Margin

T. Rodrigues, M. Alonso-García, D.A. Hodell, M. Rufino, F. Naughton, J.O. Grimalt, A.H.L. Voelker, F. Abrantes

Chemical Geology

Geochimica et Cosmochimica Acta

Marine Geology

Quaternary Geochronology

Quaternary Research

no relevant

14th International Conference on Accelerator Spectrometry

カナダはオタワよりこんにちは！平林です。

8月13日から約1週間、オタワ大学にて開催されていた
第14回国際AMS学会に参加してきました。
今回の参加者は横山先生、宮入さん、阿瀬さん、平林の4人でした。

この学会ではAMS（加速器質量分析器）の技術開発、
試料の化学前処理法の微量化開発についてや、
AMSを使用した研究成果（地球化学・考古学への応用研究）など、
AMSに関する最先端の技術革新や研究について発表・議論されました。

AMSを保持している世界中の大学・研究機関からの研究者たちが参加しており、
とても刺激的な学会でした。

私はこれまでのサンゴ骨格の放射性炭素分析についての研究を紹介しましたが、
有名な研究者たちからコメントや議論をしていただき、
今後より発展的な議論ができるように、引き続き研究を頑張りたいと思います。

以下、写真です。

会場入りする横山先生と阿瀬さん

学会オープニング時の会場の様子

オタワ大学のAMS

AMS全貌

ポスター発表当日の朝の筆者と宮入さん、阿瀬さん
このポスターケースは発表後、行方不明に…

大御所研究者たちによるAMSレクチャー！

Farewell Party for Arina

こんにちは、M2の尾崎です。天気がようやく夏らしくなってきましたね。

7月7日にArinaの送別会が行われました。

Arinaはモスクワ国立大学の博士課程で、ロシアの永久凍土について研究をしています。

理学系の日露学生交流プログラム(STEPS)で横山研に二ヶ月間留学していました。

送別会の様子

当日はArinaがBlini(блины)という料理を作ってくれました。

（彼女は送別される側でしたが、わざわざ作りたいと言ってくれました。ありがとう！）

Blini looks like crêpe

ロシアに住む人は、長い冬が終わる時にこれをお祝いに食べるそうです。

ジャムやチョコソースとの相性は抜群でした。ごちそうさまでした。

ドーナツや宮入さんが作ってくださった杏仁豆腐もいただき、満腹の送別会でした。

Arinaには記念に東大アカデミックガウン仕様のハローキティをプレゼント。

キティちゃんはロシアでも人気みたいです。

Hello Kitty in UTokyo’s academic dress as a present

また会う日まで！

We held a farewell party for Arina, a PhD student from Moscow State University.

She researches permafrost in Russia.

She was a member of our lab during these 2 months.

She made blini for us, a Russian popular cuisine. Thank you Arina!

People in Russia eat it when winter is over.

It was so delicious with jam or chocolate.

We also ate doughnuts and Annin tofu(杏仁豆腐), which Yosuke made for us.

See you next time Arina! :)

2017/08/01 New Papers(Elsevier)

New Papers(Elsevier)

2017/07/24~30

Chemical Geology

Influence of exchangeable oxygen on biogenic silica oxygen isotope data

Anthony J. Menicucci, Howard J. Spero, Joy Matthews, Sanjai J. Parikh

Geochimica et Cosmochimica Acta

Reassessment of the 13C/12C and 14C/12C isotopic fractionation ratio and its impact on high-precision radiocarbon dating

Simon M. Fahrni, John R. Southon, Guaciara M. Santos, Sanne W.L. Palstra, Harro A.J. Meijer, Xiaomei Xu

Uranium uptake history, open-system behaviour and uranium-series ages of fossil Tridacna gigas from Huon Peninsula, Papua New Guinea

Bridget F. Ayling, Stephen Eggins, Malcolm T. McCulloch, John Chappell, Rainer Grün, Graham Mortimer

Palaeogeography, Palaeoclimatology, Palaeoecology

Oxygen stable isotopic disparities among sympatric small land snail species from northwest Minnesota, USA

Yurena Yanes, Jeffrey C. Nekola, Jason A. Rech, Jeffrey S. Pigati

A low seasonality scenario in the Mediterranean Sea during the Calabrian (Early Pleistocene) inferred from fossil Arctica islandica shells

Gotje von Leesen, Lars Beierlein, Daniele Scarponi, Bernd R. Schöne, Thomas Brey

Quaternary International

Late Quaternary optically stimulated luminescence (OSL) chronology and environmental changes in the Hobq Desert, northern China

Yantian Xu, Zhongping Lai, Tianyuan Chen, Songlin Gong

Evidence for a Younger Dryas deglaciation in the Galicica Mountains (FYROM) from cosmogenic 36Cl

Raphael Gromig, Silke Mechernich, Adriano Ribolini, Bernd Wagner, Giovanni Zanchetta, Ilaria Isola, Monica Bini, Tibor J. Dunai

Quaternary Science Reviews

Timing of last deglaciation in the Cantabrian Mountains (Iberian Peninsula; North Atlantic Region) based on in situ-produced 10Be exposure dating

Laura Rodríguez-Rodríguez, Montserrat Jiménez-Sánchez, María José Domínguez-Cuesta, Vincent Rinterknecht, Raimon Pallàs

Depositional evolution of the Lower Khuzestan plain (SW Iran) since the end of the Late Pleistocene

Frieda Bogemans, Rindert Janssens, Cecile Baeteman

Late Pleistocene-Holocene vegetation and climate change in the Middle Kalahari, Lake Ngami, Botswana

Carlos E. Cordova, Louis Scott, Brian M. Chase, Manuel Chevalier

Glacial to Holocene changes in sea surface temperature and seawater δ18O in the northern Indian Ocean

Tabish Raza, Syed Masood Ahmad, Stephan Steinke, Waseem Raza, Mahjoor Ahmad Lone, Santosh Kumar Beja, Gorti Suseela

Relative sea-level changes and glacio-isostatic adjustment on the Magdalen Islands archipelago (Atlantic Canada) from MIS 5 to the late Holocene

Audrey M. Rémillard, Guillaume St-Onge, Pascal Bernatchez, Bernard Hétu, Jan-Pieter Buylaert, Andrew S. Murray, Patrick Lajeunesse

Sensitivity of Last Interglacial sea-level high stands to ice sheet configuration during Marine Isotope Stage 6

S. Dendy, J. Austermann, J.R. Creveling, J.X. Mitrovica

Earth and Planetary Science Letters

Global and Planetary Change

Marine Geology

Quaternary Geochronology

Quaternary Research

no relevant