7/02/2009

新着論文紹介 (2009/6/30)

6月22日-28日に出版された論文です。

☆ Earth and Planetary Science Letters ☆
D. I. Hofmann and K. Fabian
Correcting relative paleointensity records for variations in sediment composition: Results from a South Atlantic stratigraphic network
Volume 284, Issues 1-2, Pages 34-43, 30 June 2009

P. A. Raymond and N.-H. Oh
Long term changes of chemical weathering products in rivers heavily impacted from acid mine drainage: Insights on the impact of coal mining on regional and global carbon and sulfur budgets
Volume 284, Issues 1-2, Pages 50-56, 30 June 2009

R. S. Pugh, I. N. McCave, C.-D. Hillenbrand and G. Kuhn
Circum-Antarctic age modelling of Quaternary marine cores under the Antarctic Circumpolar Current: Ice-core dust–magnetic correlation
Volume 284, Issues 1-2, Pages 113-123, 30 June 2009
【内容】南大洋の海底堆積物コアの帯磁率と南極の氷床コアのダストは良い相関を示した。この方法は、南大洋など炭酸塩が保存されない遠洋堆積物の年代層序学に利用できる。

J.E.T. Channell and C. Xuan
Self-reversal and apparent magnetic excursions in Arctic sediments
Volume 284, Issues 1-2, Pages 124-131, 30 June 2009

A. Genevey, Y. Gallet, J. Rosen and M. L. Goff
Evidence for rapid geomagnetic field intensity variations in Western Europe over the past 800 years from new French archeointensity data
Volume 284, Issues 1-2, Pages 132-143, 30 June 2009

M. M. Goethals, R. Hetzel, S. Niedermann, H. Wittmann, C. R. Fenton, P. W. Kubik, M. Christl and F. von Blanckenburg
An improved experimental determination of cosmogenic 10Be/21Ne and 26Al/21Ne production ratios in quartz
Volume 284, Issues 1-2, Pages 187-198, 30 June 2009
【内容】カリフォルニアで採取された試料から核種生成率比の再検討を行なった。その結果、26Al/10Be比は従来の値よりも高い値になり、これは27Al濃度の測定が原因かもしれない。

Y. Xiaoqiang, F. Heller, W. Nengyou, Y. Jie and S. Zhihua
Geomagnetic paleointensity dating of South China Sea sediments for the last 130 kyr
Volume 284, Issues 1-2, Pages 258-266, 30 June 2009
【内容】南シナ海北部で得られた2本のピストンコアの相対古地磁気強度記録を測定した。これをNAPIS-75、S.Atlantic-1089、Sint-200、NOPAPIS-250と対比することにより、δ18O年代と独立して年代を得ることが出来た。

☆ Geochimica et Cosmochimica Acta ☆
G. Sisma-Ventura, B. Guzner, R. Yam, M. Fine and A. Shemesh
The reef builder gastropod Dendropoma petreaum – A proxy of short and long term climatic events in the Eastern Mediterranean
Volume 73, Issue 15, Pages 4376-4383, 1 August 2009
【内容】地中海東岸の腹足類の岩礁からコアを採取した。これらから、過去500年間の高時間分解能のδ18Oとδ13C記録が得られ、小氷期のようなローカルなイベントも捉えていた。

☆ Palaeogeography, Palaeoclimatology, Palaeoecology ☆
L. M. Kiage and K. Liu
Palynological evidence of climate change and land degradation in the Lake Baringo area, Kenya, East Africa, since AD 1650
Volume 279, Issues 1-2, Pages 60-72, 1 August 2009
【内容】Baringo湖の湖底堆積物に含まれる花粉、真菌胞子などから西暦1650年以降の東アフリカの古環境を明らかにした。強い乾燥化が起きた時期はヨーロッパの小氷期と一致していた。

S. Wetterich, L. Schirrmeister, A. A. Andreev, M. Pudenz, B. Plessen, H. Meyer and V. V. Kunitsky
Eemian and Late Glacial/Holocene palaeoenvironmental records from permafrost sequences at the Dmitry Laptev Strait (NE Siberia, Russia)
Volume 279, Issues 1-2, Pages 73-95, 1 August 2009

T. Melki, N. Kallel, F. J. Jorissen, F. Guichard, B. Dennielou, S. Berné, L. Labeyrie and M. Fontugne
Abrupt climate change, sea surface salinity and paleoproductivity in the western Mediterranean Sea (Gulf of Lion) during the last 28 kyr
Volume 279, Issues 1-2, Pages 96-113, 1 August 2009

M. H. Marshall, H. F. Lamb, S. J. Davies, M. J. Leng, Z. Kubsa, M. Umer and C. Bryant
Climatic change in northern Ethiopia during the past 17,000 years: A diatom and stable isotope record from Lake Ashenge
Volume 279, Issues 1-2, Pages 114-127, 1 August 2009

☆ Geochemistry, Geophysics, Geosystems ☆
M. C. McConnell, R. C. Thunell, L. Lorenzoni, Y. Astor, J. D. Wright and R. Fairbanks
Seasonal variability in the salinity and oxygen isotopic composition of seawater from the Cariaco Basin, Venezuela: Implications for paleosalinity reconstructions
Geochem. Geophys. Geosyst., 10, Q06019, doi:10.1029/2008GC002035, 26 June 2009

☆ Geophysical Research Letters ☆
G. Wöppelmann, C. Letetrel, A. Santamaria, M.-N. Bouin, X. Collilieux, Z. Altamimi, S. D. P. Williams and B. M. Miguez
Rates of sea-level change over the past century in a geocentric reference frame
Geophys. Res. Lett., 36, L12607, doi:10.1029/2009GL038720, 24 June 2009

H. Conway and L. A. Rasmussen
Recent thinning and migration of the Western Divide, central West Antarctica
Geophys. Res. Lett., 36, L12502, doi:10.1029/2009GL038072, 23 June 2009
【内容】西南極Western Divideの氷厚の変化は非対称であり、この変化は長期的な強制力によるものか短期的なものかはまだ分からない。

☆ Paleoceanography ☆
D. Tiraboschi, E. Erba and H. C. Jenkyns
Origin of rhythmic Albian black shales (Piobbico core, central Italy): Calcareous nannofossil quantitative and statistical analyses and paleoceanographic reconstructions
Paleoceanography, 24, PA2222, doi:10.1029/2008PA001670, 23 June 2009

S. P. Shukla, M. A. Chandler, J. Jonas, L. E. Sohl, K. Mankoff and H. Dowsett
Impact of a permanent El Niño (El Padre) and Indian Ocean Dipole in warm Pliocene climates
Paleoceanography, 24, PA2221, doi:10.1029/2008PA001682, 23 June 2009