2014/ 12/ 30 New papers (AGU, EGU, GSA)

♣Geochemistry, Geophysics, Geosystems♣

1. The Iceland Basin excursion: Age, duration, and excursion field geometry

  J. E. T. Channell


  DOI: 10.1002/2014GC005564

♣Global biogeochemical cycles♣

2. Net ecosystem production and organic carbon balance of U.S. east coast estuaries: A synthesis approach

Maria Herrmann, Raymond G. Najjar, W. Michael Kemp, Richard B. Alexander,

Elizabeth W. Boyer, Wei-Jun Cai, Peter C. Griffith, Kevin D. Kroeger,

S. Leigh McCallister, Richard A. Smith

DOI: 10.1002/2013GB004736

Keywords:

Coastal carbon cycle; Estuarine net ecosystem production; Estuarine net community production; Estuarine metabolism; Total organic carbon; Coastal carbon synthesis

♣Jouranl of geophysical research: Oceans♣

3. Thermal variations in the South China Sea associated with the eastern and central Pacific El Niño events and their mechanisms

Qin‐Yan Liu, Dongxiao Wang, Xin Wang, Yeqiang Shu, Qiang Xie, Ju Chen

DOI: 10.1002/2014JC010429

KEY POINTS:

Basin mode in EP El Nino, while semibasin mode in CP El Niño

The SST oscillation periods are different in these two types of El Niño

4. Mean sea‐level variability along the northeast American Atlantic coast and the roles of the wind and the overturning circulation 

Philip L. Woodworth, Miguel Á. Morales Maqueda, Vassil M. Roussenov, Richard G. Williams, Chris W. Hughes

DOI: 10.1002/2014JC010520

KEY POINTS:

MSL variability along the N American coast is highly coherent

This MSL variability is forced to a great extent by the wind

The MOC plays only a small part in this variability

5. Multimodel simulations of Arctic Ocean sea surface height variability in the period 1970–2009

Nikolay V. Koldunov, Nuno Serra, Armin Köhl, Detlef Stammer, Olivier Henry, Anny Cazenave, Pierre Prandi, Per Knudsen, Ole Baltazar Andersen, Yongqi Gao, et al

DOI: 10.1002/2014JC010170

KEY POINTS:

Model simulations are compared with sea level observations in the Arctic Ocean

The main patterns of SSH variability in the Arctic Ocean are assessed

6. Spatiotemporal characteristics of seasonal to multidecadal variability of pCO2 and air‐sea CO2 fluxes in the equatorial Pacific Ocean 

Vinu K. Valsala, Mathew Koll Roxy, Karumuri Ashok, Raghu Murtugudde

DOI: 10.1002/2014JC010212

KEY POINTS:

Introduced a new EOF method on time‐time domain of anomalies

Identified spatiotemporal locking of eq‐Pac CO2 and pCO2

A multidecadal variability in eq‐Pac pCO2 and CO2 fluxes

♣Climate of the past♣

7. Millennial meridional dynamics of the Indo-Pacific Warm Pool during the last termination

L. Lo, C.-C. Shen, K.-Y. Wei, G. S. Burr, H.-S. Mii, M.-T. Chen, S.-Y. Lee, and M.-C. Tsai

Clim. Past, 10, 2253-2261, 2014

www.clim-past.net/10/2253/2014/

doi:10.5194/cp-10-2253-2014

♣GRL♣

特になし

♣GSA♣

♣Paleoceanography♣

なし

New Papers (2014/12/15-2013/12/21)

＜ELSEVIER＞

Chemical Geology

1. The source of Mesozoic granitoids in South China: Integrated geochemical constraints from the Taoshan batholith in the Nanling Range

Zi-Fu Zhao , Peng Gao , Yong-Fei Zheng

doi:10.1016/j.chemgeo.2014.11.028

Granitoid; Geochemistry; Source nature; Melting temperature; Restite melting

Earth and Planetary Science Letters

2. Reduced ventilation and enhanced magnitude of the deep Pacific carbon pool during the last glacial period

L. Skinner , I.N. McCave , L. Carter , S. Fallon , A.E. Scrivner , F. Primeau

doi:10.1016/j.epsl.2014.11.024

radiocarbon; ocean ventilation; carbon cycling; palaeoceanography

3. Contribution of seasonal sub-Antarctic surface water variability to millennial-scale changes in atmospheric CO₂ over the last deglaciation and Marine Isotope Stage 3

Julia Gottschalk , Luke C. Skinner , Claire Waelbroeck

doi:10.1016/j.epsl.2014.11.051

South Atlantic; planktonic foraminifera; stable oxygen and carbon isotopes; atmospheric CO2; last glacial period

4. Rock-magnetic proxies of wind intensity and dust since 51,200 cal BP from lacustrine sediments of Laguna Potrok Aike, southeastern Patagonia

Agathe Lisé-Pronovost , Guillaume St-Onge , Claudia Gogorza , Torsten Haberzettl , Guillaume Jouve , Pierre Francus , Christian Ohlendorf , Catalina Gebhardt , Bernd Zolitschka

doi:10.1016/j.epsl.2014.11.007

rock magnetism; wind intensity; dust; lake sediment; PASADO; Southern Hemisphere westerly winds

Geochimica et Cosmochimica Acta

5. The geochemical fingerprint of microbial long-distance electron transport in the seafloor

Filip J.R. Meysman , Nils Risgaard-Petersen , Sairah Y. Malkin , Lars Peter Nielsen

doi:10.1016/j.gca.2014.12.014

Electrogenic sulfur oxidation; Marine sediments; long-distance electrontransport; Redox cycling; Cable bacteria

6. Behavior of Lithium isotopes in the Changjiang River system: Sources effects and response to weathering and erosion

Qi-Lian Wang , Benjamin Chetelat , Zhi-Qi Zhao , Hu Ding , Si-Liang Li , Bao-Li Wang , Jun Li , Xiao-Long Liu

doi:10.1016/j.gca.2014.12.015

Lithium isotopes; ChangjiangRiver; Weathering regimes; Sedimentary recycling

7. The chemical conditions of the late Archean Hamersley basin inferred from whole rock and pyrite geochemistry with Δ³³S and δ³⁴S isotope analyses

Daniel D. Gregory , Ross R. Large , Jacqueline A. Halpin , Jeffery A. Steadman , Arthur H. Hickman , Trevor R. Ireland , Peter Holden

doi:10.1016/j.gca.2014.10.023

Global and Planetary Change

8. The lost Adventure Archipelago (Sicilian Channel, Mediterranean Sea): Morpho-bathymetry and Late Quaternary palaeogeographic evolution

Dario Civile , Emanuele Lodolo , Massimo Zecchin , Zvi Ben-Avraham , Luca Baradello , Daniela Accettella , Andrea Cova , Mauro Caffau

doi:10.1016/j.gloplacha.2014.12.003

Palaeogeography, Palaeoclimatology, Palaeoecology

9. Reconstructing climate change and ombrotrophic bog development during the last 4000 years in northern Poland using biotic proxies, stable isotopes and trait-based approach

M. Lamentowicz, M. Gałka, Ł. Lamentowicz, M. Obremska, N. Kühl, A. Lücke, V.E.J. Jassey

doi:10.1016/j.palaeo.2014.11.015

Multi-proxy; High-resolution; Peatland; Trait-based paleoecology

10. Long- and short-term hydroclimatic variabilities in the Aptian Tethys: Clues from the orbital chronostratigraphy of evaporite-rich beds in the Apennine carbonate platform (Mt. Faito, southern Italy)

R. Graziano , A. Raspini

doi:10.1016/j.palaeo.2014.11.021

Aptian; Apennine carbonate platform; Evaporites; Astrochronology; Paleoclimatology; Platform to basin correlation

11. Seasonality variations in the Central Mediterranean during climate change events in the Late Holocene

M-L. S. Goudeau,  G.-J. Reichart,  J.C. Wit, L.J. de Nooijer, A.-L. Grauel,  S.M. Bernasconi, G.J. de Lange

doi:10.1016/j.palaeo.2014.11.004

Seasonality; Late Holocene; Central Mediterranean; Foraminiferal test chemistry

12. Local overprints on the global carbonate δ¹³C signal in Devonian–Carboniferous boundary successions of South China

Wenkun Qie , Jiangsi Liu , Jitao Chen , Xiangdong Wang , Horng-sheng Mii , Xionghua Zhang , Xing Huang , Le Yao , Thomas J. Algeo , Genming Luo

doi:10.1016/j.palaeo.2014.11.022

Carbon isotope; Carbon cycle; Hangenberg Event; Mass extinction; Eustasy

Quaternary Geochronology

13. Modelling dose rate to single grains of quartz in well-sorted sand samples: the dispersion arising from the presence of potassium feldspars and implications for single grain OSL dating

Guillaume Guérin , Mayank Jain , Kristina Thomsen , Andrew Murray , Norbert Mercier

doi:10.1016/j.quageo.2014.12.006

Single grain OSL; dose rate distributions; age models; overdispersion; Geant4 simulations

14. OSL dating of fine and coarse quartz from a Palaeolithic sequence on the Bistrița Valley (Northeastern Romania)

O. Trandafir , A. Timar-Gabor , C. Schmidt , D. Veres , M. Anghelinu , U. Hambach , S. Simon

doi:10.1016/j.quageo.2014.12.005

OSL dating; Radiocarbon dating; Quartz grain size; Romania

Quaternary Research

15. Directly dated MIS 3 lake-level record from Lake Manix, Mojave Desert, California, USA

Marith C. Reheis , David M. Miller , John P. McGeehin , Joanna R. Redwine , Charles G. Oviatt , Jordon Bright

doi:10.1016/j.yqres.2014.11.003

Paleoclimate; Pluvial lake; Mojave Desert; Dansgaard–Oeschger cycles; Heinrich events

Quaternary Science Reviews

16. A Younger Dryas plateau icefield in the Monadhliath, Scotland, and implications for regional palaeoclimate

Clare M. Boston , Sven Lukas , Simon J. Carr

doi:10.1016/j.quascirev.2014.11.020

Plateau icefield; Younger Dryas; Scotland; Glacier reconstruction; Palaeoclimate

17. Climatic and morphological controls on diachronous postglacial lake and river valley evolution in the area of Last Glaciation, northern Poland

M. Błaszkiewicz , J.A. Piotrowski , A. Brauer , P. Gierszewski , J. Kordowski , M. Kramkowski , P. Lamparski , S. Lorenz , A.M. Noryśkiewicz , F. Ott , M. Słowiński , S. Tyszkowski

doi:10.1016/j.quascirev.2014.11.023

Fluvial processes; Lacustrine processes; River valley evolution; Lateglacial; Holocene

18. Spatial and temporal variations in meteoric ¹⁰Be inventories and long-term deposition rates, Colorado Front Range

William Ouimet , David Dethier , Paul Bierman , Cianna Wyshnytzky , Neil Shea , Dylan H. Rood

doi:10.1016/j.quascirev.2014.11.003

Meteoric ¹⁰Be; Cosmogenic isotopes; Fallout radionuclides; Geochronology; Geomorphology; Colorado Front Range

19. Deglacial weakening of the oceanic soft tissue pump: global constraints from sedimentary nitrogen isotopes and oxygenation proxies

Eric D. Galbraith , Samuel L. Jaccard

doi:10.1016/j.quascirev.2014.11.012

Carbon dioxide; Ice ages; Biological pump; Marine sediments; Dissolved oxygen; Nitrogen isotopes;Ocean circulation; Iron fertilization

20. Time-transgressive environmental shifts across Northern Europe at the onset of the Younger Dryas

Francesco Muschitiello , Barbara Wohlfarth

doi:10.1016/j.quascirev.2014.11.015

Northern Europe; Younger Dryas; Radiocarbon; Bayesian age-depth models

21. Landscape chronology and glacial history in Thule, northwest Greenland

Lee B. Corbett , Paul R. Bierman , G. Everett Lasher , Dylan H. Rood

doi:10.1016/j.quascirev.2014.11.019

Beryllium-10; Holocene; Cosmogenic nuclides; Deglaciation; Subglacial erosion

Quaternary International

22. Further investigations on ‘non-fading’ in K-Feldspar

M. Jain , J.P. Buylaert , K.J. Thomsen , A.S. Murray

doi:10.1016/j.quaint.2014.11.018

Infra-red stimulated luminescence (IRSL); Time resolved IRSL (TR-IRSL); Pulsed IRSL; Post IR – IRSL;Retrospective dosimetry; Anomalous fading

23. Spatial variability of Late Pleistocene–Early Holocene soil formation and its relation to early human paleoecology in Northwest Mexico

Tamara Cruz-y-Cruz , Guadalupe Sánchez , Sergey Sedov , Alejando Terrazas-Mata , Elizabeth Solleiro-Rebolledo , Rosa Elena Tovar-Liceaga , John Carpenter

doi:10.1016/j.quaint.2014.11.042

Sonora; Late Pleistocene; Red paleosols; Soil variability; Paleoenvironment; Early settlement

24. A late Quaternary record of vegetation and climate change from Hazards Lagoon, eastern Tasmania

Lydia Mackenzie , Patrick Moss

doi:10.1016/j.quaint.2014.11.051

Last Glacial Maximum; Holocene; Pollen; Vegetation; Tasmania

25. A 225-year long drought reconstruction for east Xinjiang based on Siberia larch (Larix sibirica) tree-ring widths: Reveals the recent dry trend of the eastern end of Tien Shan

Feng Chen , Yu-jiang Yuan , Shu-long Yu , Tong-wen Zhang , Hua-ming Shang , Rui-bo Zhang , Li Qin , Zi-ang Fan

doi:10.1016/j.quaint.2014.11.055

Larix sibirica; Tree rings; Standardised precipitation-evapotranspiration index (SPEI); East Xinjiang

26. Otoliths as a proxy for seasonality: The case of Micropogonias furnieri from the northern coast of San Matías Gulf, Río Negro, Patagonia, Argentina

Federico L. Scartascini , Margarita Sáez , Alejandra V. Volpedo

doi:10.1016/j.quaint.2014.11.046

Otoliths; Seasonality; San Matías Gulf; Argentina

Marine Geology
Non-updated

茨城県自然博物館に行ってきました

皆様

坂下です。

2014年12月20日土曜日に
茨城県自然博物館の企画展のオープンセレモニーに参加してきました。

横山研からの参加者は沢田さん一家、関さんと坂下の５人です。

今回の企画展のタイトルは
「マンモスが渡った橋　氷河期の動物大移動」です！！

この企画展におきまして
横山研からは気候変動ブースに必要なサンプルをいくつかお貸ししました。

企画展は来年2015年6月7日日曜日まで公開です。

以下写真になります。

くす玉割り

最初はマンモスがお出迎え

ほとんどが横山研提供のブース

木の年輪、鍾乳石、有孔虫、迷子石、サンゴなどが展示されています

他にもたくさんの展示がありますので興味をお持ちになった方はぜひ！！

New Papers (Nature, Science, etc...) 2014/12/08~2014/12/14

Nature

1. Isotopic constraints on marine and terrestrial N2O emissions during the last deglaciation

Adrian Schilt, Edward J. Brook, Thomas K. Bauska, Daniel Baggenstos, Hubertus Fischer, Fortunat Joos, Vasilii V. Petrenko, Hinrich Schaefer, Jochen Schmitt, Jeffrey P. Severinghaus, Renato Spahni       & Thomas F. Stocker

AffiliationsContributionsCorresponding author

Nature 516, 234–237 (11 December 2014) doi:10.1038/nature13971

Science

2. Scratching the surface of martian habitability

Pamela G. Conrad

Science 12 December 2014: Vol. 346 no. 6215 pp. 1288-1289

DOI: 10.1126/science.1259943

PNAS

3. Impact of Antarctic mixed-phase clouds on climate

R. Paul Lawson and Andrew Gettelman

doi: 10.1073/pnas.1418197111

4. Fire responses to postglacial climate change and human impact in northern Patagonia (41–43°S)

Virginia Iglesias and Cathy Whitlock

doi: 10.1073/pnas.1410443111

5. Direct measurements of methane emissions from abandoned oil and gas wells in Pennsylvania

Mary Kang, Cynthia M. Kanno, Matthew C. Reid, Xin Zhang, Denise L. Mauzerall, Michael A. Celia, Yuheng Chen, and Tullis C. Onstott

doi: 10.1073/pnas.1408315111

Nature Communications

6. Early warning signals of Atlantic Meridional Overturning Circulation collapse in a fully coupled climate model

Chris A. Boulton,  Lesley C. Allison  & Timothy M. Lenton

AffiliationsContributionsCorresponding author

Nature Communications 5, Article number: 5752 doi:10.1038/ncomms6752

7. Geochemistry of silicate-rich rocks can curtail spreading of carbon dioxide in subsurface aquifers

S. S. S. Cardoso & J. T. H. Andres

AffiliationsContributionsCorresponding author

Nature Communications 5, Article number: 5743 doi:10.1038/ncomms6743

Nature Geoscience

8. Deep water cycle: Mantle hydration

Masayuki Nishi

Nature Geoscience (2014) doi:10.1038/ngeo2326

9. Net regional methane sink in High Arctic soils of northeast Greenland

Christian Juncher Jørgensen, Katrine Maria Lund Johansen, Andreas Westergaard-Nielsen & Bo Elberling

Nature Geoscience (2014) doi:10.1038/ngeo2305

10. Sand dune patterns on Titan controlled by long-term climate cycles

Ryan C. Ewing, Alex G. Hayes & Antoine Lucas

Nature Geoscience (2014) doi:10.1038/ngeo2323

Nature Climate Change

11. Dramatically increasing chance of extremely hot summers since the 2003 European heatwave

Nikolaos Christidis, Gareth S. Jones & Peter A. Stott

Nature Climate Change (2014) doi:10.1038/nclimate2468

Scientific Reports

12. How Unique was Hurricane Sandy? Sedimentary Reconstructions of Extreme Flooding from New York Harbor

Christine M. Brandon, Jonathan D. Woodruff, Jeffrey P. Donnelly & Richard M. Sullivan

Scientific Reports 4, Article number: 7366 doi:10.1038/srep07366

13. Intensified Diapycnal Mixing in the Midlatitude Western Boundary Currents

Zhao Jing & Lixin Wu

Scientific Reports 4, Article number: 7412 doi:10.1038/srep07412

Geology

None