6/28/2011

新着論文紹介 2011/6/28 (Nature, Science, PNAS)

Nature vol.474 (2011.6.23)
Comment
Hidden depths
Andrew V. Newman
doi:10.1038/474441a
Published online 22 June 2011
A staggering lack of undersea data hampers our understanding of earthquakes and tsunamis. Geophysicists must put more instruments offshore, says Andrew V. Newman.

Specials
Biofuels


Science vol.332 (2011.6.24)
News and analysis
Apollo Physicist Launches Noisy Dustup Over Old Moon Data
Lucas Laursen
[DOI:10.1126/science.332.6037.1493]
The floating dust believed to explain the lunar horizon glow may have been interference from heaters on nearby instruments, according to a new analysis.

Perspectives
The Earth and the Sun
Robert N. Clayton
[DOI:10.1126/science.1206965]
Sample collection by the Genesis spacecraft reveals the isotopic composition of elements in the solar system.

Research Articles
The Oxygen Isotopic Composition of the Sun Inferred from Captured Solar Wind
K. D. McKeegan, A. P. A. Kallio, V. S. Heber, G. Jarzebinski, P. H. Mao, C. D. Coath,T. Kunihiro, R. C. Wiens, J. E. Nordholt, R. W. Moses, Jr., D. B. Reisenfeld,A. J. G.Jurewicz, and D. S. Burnett
[DOI:10.1126/science.1204636]
The Sun is highly enriched in the most abundant isotope of oxygen, oxygen-16, relative to most other planetary materials.


A 15N-Poor Isotopic Composition for the Solar System As Shown by Genesis Solar Wind Samples
B. Marty, M. Chaussidon, R. C. Wiens, A. J. G. Jurewicz, and D. S. Burnett
[DOI:10.1126/science.1204656]
The solar atmosphere is about 40% enriched in the heavy nitrogen-15 isotope compared with the Sun and Jupiter.


Abiotic Pyrite Formation Produces a Large Fe Isotope Fractionation
Romain Guilbaud, Ian B. Butler, and Rob M. Ellam
[DOI:10.1126/science.1202924]
Iron isotope signatures may not differentiate abiotic and biological processes in sediments.


Geology vol.39 (2011.7)
Terrestrial source to deep-sea sink sediment budgets at high and low sea levels: Insights from tectonically active Southern California
Jacob A. Covault, Brian W. Romans, Stephan A. Graham, Andrea Fildani and George E. Hilley
Geology; July 2011; v. 39; no. 7; p. 619-622; DOI: 10.1130/G31801.1

Whole-edifice ice volume change A.D. 1970 to 2007/2008 at Mount Rainier, Washington, based on LiDAR surveying
T.W. Sisson, J.E. Robinson, and D.D. Swinney
Geology; July 2011; v. 39; no. 7; p. 639-642; DOI: 10.1130/G31902.1

The Rhone Glacier was smaller than today for most of the Holocene
Brent M. Goehring, Joerg M. Schaefer, Christian Schluechter, Nathaniel A. Lifton, Robert C. Finkel, A.J. Timothy Jull, Naki Akçar, and Richard B. Alley
Geology; July 2011; v. 39; no. 7; p. 679-682; DOI: 10.1130/G32145.1

Seawater calcium isotope ratios across the Eocene-Oligocene transition
Elizabeth M. Griffith, Adina Paytan, Anton Eisenhauer, Thomas D. Bullen, and Ellen Thomas
Geology; July 2011; v. 39; no. 7; p. 683-686; DOI: 10.1130/G31872.1

Evolution of a Pharaonic harbor on the Red Sea: Implications for coastal response to changes in sea level and climate
Christopher J. Hein, Duncan M. FitzGerald, Glenn A. Milne, Kathryn Bard, and Rodolfo Fattovich
Geology; July 2011; v. 39; no. 7; p. 687-690; DOI: 10.1130/G31928.1


PNAS vol.108 (2011.6.21)
Jellyfish blooms result in a major microbial respiratory sink of carbon in marine systems
Robert H. Condon, Deborah K. Steinberg, Paul A. del Giorgio, Thierry C. Bouvier, Deborah A. Bronk, William M. Graham, and Hugh W. Ducklow
PNAS 2011 108 (25) 10225-10230; published ahead of print June 6, 2011, doi:10.1073/pnas.1015782108