1/29/2014

新着論文紹介 This Week’s New Paper (2014/1/28) AGU, etc…

Global Biogeochemical Cycles
1.  Natural variability and anthropogenic change in equatorial Pacific surface ocean pCO2 and pH
Adrienne J. Sutton, Richard A. Feely, Christopher L. Sabine, Michael J. McPhaden, Taro Takahashi, Francisco P. Chavez, Gernot E. Friederich, Jeremy T. Mathis
DOI: 10.1002/2013GB004679
Keywords:
ENSO; El Niño; climate change; CO2; ocean acidification


Geophysical Research Letters
2.  Towards robust and consistent regional CO2 flux estimates from in situ and space-borne measurements of atmospheric CO2
Frédéric Chevallier, Paul I. Palmer, Liang Feng, Hartmut Boesch, Christopher W. O'Dell, Philippe Bousquet
DOI: 10.1002/2013GL058772
Keywords:
CO2; satellite; inversion; surface flux; GOSAT

3.  Complex network of channels beneath an Antarctic ice shelf
K. Langley, A. Deschwanden, J. Kohler, A. Sinisalo, K. Matsuoka, T. Hattermann, A. Humbert, O. A. Nøst, E. Isaksson
DOI: 10.1002/2013GL058947
Keywords:
Ice Shelf; Antarctica; basal channels

4.  Seasonal to interannual Arctic sea-ice predictability in current GCMs
S. Tietsche, J. J. Day, V. Guemas, W. J. Hurlin, S. P. E. Keeley, D. Matei, R. Msadek, M. Collins, E. Hawkins
DOI: 10.1002/2013GL058755
Keywords:
seasonal to decadal predictability; Arctic; sea ice; global climate models


Journal of Geophysical Research: Atmospheres
5.  Interactive ozone induces a negative feedback in CO2 driven climate change simulations
S. Dietmüller, M. Ponater, R. Sausen
DOI: 10.1002/2013JD020575
Keywords:
chemical feedbacks; climate sensitivity; climate-chemistry interaction


Climate Of The Past
6.    Limited response of peatland CH4 emissions to abrupt Atlantic Ocean circulation changes in glacial climates
P. O. Hopcroft, P. J. Valdes, R. Wania, and D. J. Beerling
DOI: 10.5194/cp-10-137-2014

7.    An inter-laboratory investigation of the Arctic sea ice biomarker proxy IP25 in marine sediments: key outcomes and recommendations
S. T. Belt, T. A. Brown, L. Ampel, P. Cabedo-Sanz, K. Fahl, J. J. Kocis, G. Massé, A. Navarro-Rodriguez, J. Ruan, and Y. Xu
DOI: 10.5194/cp-10-155-2014

8.    Hindcasting the continuum of Dansgaard–Oeschger variability: mechanisms, patterns and timing
L. Menviel, A. Timmermann, T. Friedrich, and M. H. England
DOI: 10.5194/cp-10-63-2014



1/28/2014

2014/01/27 New Papers (Elsevier)



Earth and Planetary Science Letters
1. Changes in ITCZ location and cross-equatorial heat transport at the Last Glacial Maximum, Heinrich Stadial 1, and the mid-Holocene
David McGee, Aaron Donohoe, John Marshall, David Ferreira
•Estimates of past mean ITCZ location and atmospheric heat transport (AHT).
•Mean ITCZ at the LGM, HS1 and 6 ka likely <1 different="" from="" o:p="" present.="">
•Sensitivity of AHT to ITCZ location limits size of past ITCZ shifts.
•HS1 northward AHT anomaly consistent with large reduction in heat transport by AMOC.
•Regional responses to past climate changes much larger than mean ITCZ response.

Geochimica et Cosmochimica Acta
2. Controls on stable strontium isotope fractionation in coccolithophores with implications for the marine Sr cycle
Emily I. Stevenson, Michaël Hermoso, Rosalind E.M. Rickaby, Jonathan J. Tyler, Fabrice Minoletti, Ian J. Parkinson, Fatima Mokadem, Kevin W. Burton
Volume 128, 1 March 2014, Pages 225–235

Global and Planetary Change
3. Sensitivity of evapotranspiration to climatic change in different climates
Hossein Tabari, P. Hosseinzadeh Talaee
•Sensitivity of ETo to wind speed decreased from arid to humid climate.
•ETo was most sensitive to air temperature in arid climate than the other climates.
•Sensitivity of ETo to sunshine hours increased from arid to humid environment.

4.Spatio-temporal variations of precipitation in arid and semiarid regions of China: The Yellow River basin as a case study
Qiang Zhanga, b, c, , , Juntai Penga, b, c, Vijay P. Singhd, Jianfeng Lie, Yongqin David Chene

•New light is shed on changing properties of precipitation processes;
•Novel viewpoints are obtained on regional hydrological responses to global climate changes;
•Thorough analysis of precipitation regimes on regional scale
•Specific implications of regional precipitation changes on the backdrop of global changes

5. Changes of reference evapotranspiration in the Haihe River Basin: Present observations and future projection from climatic variables through Multi-model ensemble
Wanqiu Xinga, b, Weiguang Wanga, b, , , , Quanxi Shaoc, Shizhang Penga, Zhongbo Yua, b, d, Bin Yonga, John Taylore
•Identify historical changes in ET0 and their dominant factors
•Construct scenarios of ET0 using multimodel ensemble projections
•Discuss the future change patterns of ET0 based on the projection results

6. A 70-80 year peridiocity identified from tree ring temperatures AD 550 – 1980 in Northern Scandinavia
Juhani Rinnea, , Mikko Alestaloa, Arto Miettinen
•Volcanism and millennial variations
•Decadal (volcanic) variations
•Multidecadal (oceanic) variations
•Climate variations as seen in tree-ring temperatures
•Biases in the Torneträsk paleotemperatures

Palaeogeography, Paleoclimatology, Paleoecology
7.Stable isotope (δ18O and δ13C) sclerochronology of Callovian (Middle Jurassic) bivalves (Gryphaea (Bilobissa) dilobotes) and belemnites (Cylindroteuthis puzosiana) from the Peterborough Member of the Oxford Clay Formation (Cambridgeshire, England): evidence of palaeoclimate, water depth and belemnite behavior
C. Mettam, A.L.A. Johnson, E.V. Nunn, B.R. Schöne

•δ18O signals from G (B.) dilobotes reveal Callovian seasonality in UK benthic waters
•Depth of UK Callovian seas in the collection locality estimated to be 50m
•Incremental δ18O signals from C. puzosiana suggest migratory lifestyle for this species


Quaternary International

8 .Some remarks about a new Last Glacial record from the western Salzach foreland glacier basin (Southern Germany)
M. Fiebig, P. Herbst, R. Drescher-Schneider, C. Lüthgens, J. Lomax, G. Doppler
In Press, Corrected ProofNote to users

Quaternary Science Reviews

9. Diatom response to climate forcing of a deep, alpine lake (Lugu Hu, Yunnan, SW China) during the Last Glacial Maximum and its implications for understanding regional monsoon variability
Qian Wang, Xiangdong Yang, N. John Anderson, Enlou Zhang, Yanling Li
Volume 86, 15 February 2014, Pages 1–12
•A high-resolution diatom record from a deep alpine lake of SW China is presented.
•Response of diatom is synchronous with North Hemisphere summer solar radiation.
•The mean winter temperatures at least 6 °C lower than present occur during LGM.
•Abrupt events (such as YD) are not captured in the diatom and pollen records.
•We confirm sensitivity of sub-tropical Alpine lake to climate and catchment process.


10. A deglacial and Holocene record of climate variability in south-central Alaska from stable oxygen isotopes and plant macrofossils in peat
Miriam C. Jones, Matthew Wooller, Dorothy M. Peteet
Volume 87, 1 March 2014, Pages 1–11
•We analyzed macrofossils and oxygen isotopes in a Lateglacial peat core in Alaska.
•Oxygen isotopes vary with temperature and strength of the Aleutian Low.
•Patterns are broadly consistent across the region.
•Higher peat carbon accumulation corresponds to greater summer vs. winter moisture.

11.Evaluating CO2 and CH4 dynamics of Alaskan ecosystems during the Holocene Thermal Maximum
Yujie He, Miriam C. Jones, Qianlai Zhuang, Christopher Bochicchio, Benjamin S. Felzer, Erik Mason, Zicheng Yu
Volume 86, 15 February 2014, Pages 63–77
•Pollen-based vegetation reconstruction revealed dramatic community changes in HTM.
•Highest ecosystem productivity and soil carbon accumulation occurred in HTM.
•Highlight the importance of vegetation community dynamics in ecosystem modeling.

12. Latest Pleistocene and Holocene vegetation and climate history inferred from an alpine lacustrine record, northwestern Yunnan Province, southwestern China
Xiayun Xiao, Simon G. Haberle, Ji Shen, Xiangdong Yang, Yong Han, Enlou Zhang, Sumin Wang
Volume 86, 15 February 2014, Pages 35–48
•We reconstruct a regional vegetation succession framework based on pollen data.
•Early- to mid-Holocene: a gradual transition from cold–dry climate to warm–humid one.
•The Holocene climatic optimum occurred at 6100 cal. yr BP in our study area.
•Sea-level change and SST may be more important regional forcing mechanisms.

13.CO2 radiative forcing and Intertropical Convergence Zone influences on western Pacific warm pool climate over the past 400 ka
Volume 86, 15 February 2014, Pages 24–34
Kazuyo Tachikawa, Axel Timmermann, Laurence Vidal, Corinne Sonzogni, Oliver Elison Timm
•Mg/Ca-SST reconstruction was combined with a transient model simulation.
•Pacific warm pool SST was tightly linked to CO2 radiative forcing for the past 400 ka.
•Orbital-scale warm pool SST directly reflect global mean temperature changes.


14. The Last Interglacial–Glacial cycle (MIS 5–2) re-examined based on long proxy records from central and northern Europe
Karin F. Helmens
Volume 86, 15 February 2014, Pages 115–143
•European and marine proxy data provides new insights in MIS 5–2 climate evolution.
•Study divides last climate cycle into early (MIS 5) mild and late (MIS 4–2) cold part.
•Changes in degree of continentality characterized climate variability during MIS 5–2.
•Summer temperatures generally fluctuated only slightly during last climate cycle.
•Minor ice-cover over N Europe during MIS 3 persisted until ca 35 ka BP.


15. Insights into pollen source area, transport and deposition from modern pollen accumulation rates in lake sediments
Isabelle Matthias, Thomas Giesecke
Volume 87, 1 March 2014, Pages 12–23
•Pollen accumulation rates (PAR) from lake sediment and biomass are linear related.
•Nearby vegetation determines PAR for small lakes.
•The trunk-space component needs to be considered in the dispersal models.
•Dispersal models capture aspects of the absolute pollen vegetation relationship.
•Regional difference in net primary production may be reflected by PAR.

16. Eemian sea-level highstand in the eastern Baltic Sea linked to long-duration White Sea connection
Arto Miettinen, Martin J. Head, Karen Luise Knudsen
Volume 86, 15 February 2014, Pages 158–174
•The Eemian sea-level highstand persisted from ca 130 until 124 ka BP in the eastern Baltic.
•The Baltic Sea–White Sea connection persisted for ca 6 kyr.
•Water temperature estimates reveal a strong thermal stratification in the eastern Baltic.
•This reveals the mixing of waters from the White Sea and the North Sea in the area.
•Submerged area in the Russian Karelia could have assisted the development of an oceanic climate in Europe.
17.Climate variability in the SW Indian Ocean from an 8000-yr long multi-proxy record in the Mauritian lowlands shows a middle to late Holocene shift from negative IOD-state to ENSO-state
Erik J. de Boer, Rik Tjallingii, Maria I. Vélez, Kenneth F. Rijsdijk, Anouk Vlug, Gert-Jan Reichart, Amy L. Prendergast, Perry G.B. de Louw, F.B. Vincent Florens, Cláudia Baider, Henry Hooghiemstra
Volume 86, 15 February 2014, Pages 175–189

•Environmental reconstruction of an 8000-yr long record from the Mauritian lowlands.
•Pollen, diatoms and geochemistry indicate sea-level rise and monsoon precipitation.
•The ‘4.2 ka megadrought’ is interpreted as an anomalously strong negative IOD event.
•ENSO affected Mauritius by increased storms and droughts after 2660 cal yr BP.

18. Geochemical investigation of a sediment core from the Trajan basin at Portus, the harbor of ancient Rome
H. Delile, I. Mazzini, J. Blichert-Toft, J.P. Goiran, F. Arnaud-Godet, F. Salomon, F. Albarède
Volume 87, 1 March 2014, Pages 34–45
•New data shed light on the connection between the Trajan basin and the Tiber river.
•Three control factors are identified: salinity, oxygenation, and anthropogenic activity.
•A fluvial origin is suggested for clay and silt and higher salinity exposure for sand.
•Isolation of the Trajan harbor may have been triggered by an alluvial plug.
•Geochemistry adequately restore paleoenvironmental conditions in ancient harbors.

19.Abundant C4 plants on the Tibetan Plateau during the Lateglacial and early Holocene
Elizabeth K. Thomas, Yongsong Huang, Carrie Morrill, Jiangtao Zhao, Pamela Wegener, Steven C. Clemens, Steven M. Colman, Li Gao
Volume 87, 1 March 2014, Pages 24–33
•C4 plants were 50% of plant biomass in the Lake Qinghai catchment 13.7–8.3 ka.
•C4 plants increased locally during the LGM on the dry Qinghai lake bed.
•C4 plants may thrive at lower temperatures than modern observations suggest.
•Evidence for C4 plant response to moisture, temperature, CO2, and insolation.
•Provides benchmark for ecosystem models that reconstruct no C4 plants on Tibet.

20. How old is the human footprint in the world's largest alpine ecosystem? A review of multiproxy records from the Tibetan Plateau from the ecologists' viewpoint
Georg Miehe, Sabine Miehe, Jürgen Böhner, Knut Kaiser, Isabel Hensen, David Madsen, JianQuan Liu, Lars Opgenoorth
Volume 86, 15 February 2014, Pages 190–209
•The southeastern Tibetan Plateau is a human-induced replacement of natural habitats.
•Pastures replaced forests in the montane, and tall grassland in the alpine belt.
•Foragers and pastoralists were present dating back to the 8th millennium BP.

Chemical Geology
Quaternary Research
Quaternary Geochronology
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