Results 41 to 50 of about 815,112 (296)

Response of a marine-terminating Greenland outlet glacier to abrupt cooling 8200 and 9300 years ago [PDF]

, 2011
Long-term records of Greenland outlet-glacier change extending beyond the satellite era can inform future predictions of Greenland Ice Sheet behavior. Of particular relevance is elucidating the Greenland Ice Sheet's response to decadal- and centennial ...
Greg S. Babonis, Nicolás E. Young, Babonis, G.S., Robert C. Finkel, Rood, D.H., Csatho, B., Beata Csatho, Young, N.E., Axford, Y., Briner, J.P., Dylan H. Rood, Jason P. Briner, Yarrow Axford, Finkel, R.C.   +13 more
core   +1 more source

Improved direct-count method by fluorescence microscope for low-biomass ice core

Antarctic Record, 2012
Ice cores recovered from ice sheets contain microorganisms that were transported to the surface of the ice sheet along with airborne dust. The abundance of microorganisms in ice cores, as measured by direct cell count under a fluorescence microscope, is ...
Jun Uetake, Kumiko Goto-Azuma, Hideaki Motoyama   +2 more
doaj   +1 more source

Glacio-environmental aspects recorded in two shallow ice cores drilled in 1980 at accumulation area of Khumbu Glacier of Mt. Everest in Nepal Himalayas

Arctic, Antarctic, and Alpine Research, 2020
The physical and geochemical characteristics of shallow ice cores drilled in the accumulation area (Western Cwm) of Khumbu Glacier in the Nepal Himalayas in 1980 were analyzed.
Nozomu Takeuchi, Yoichiro Hori, Noboru Furukawa, Minoru Yoshida, Yoshiyuki Fujii   +4 more
doaj   +1 more source

Greenland Summit Ice Cores CD-ROM as zip-archive

, 2017
Greenland Summit Ice Cores CD-ROM as zip ...
GRIP/GISP, GRIP/GISP (8017337), GRIP Members (8017340), GRIP Members   +3 more
core   +1 more source

Prefacing unexplored archives from Central Andean surface-to-bedrock ice cores through a multifaceted investigation of regional firn and ice core glaciochemistry

Journal of Glaciology, 2023
Shallow firn cores, in addition to a near-basal ice core, were recovered in 2018 from the Quelccaya ice cap (5470 m a.s.l) in the Cordillera Vilcanota, Peru, and in 2017 from the Nevado Illimani glacier (6350 m a.s.l) in the Cordillera Real, Bolivia. The
Heather M. Clifford, Mariusz Potocki, Charles Rodda, Daniel Dixon, Sean Birkel, Michael Handley, Elena Korotkikh, Douglas Introne, Franciele Schwanck, Flavia A. Tavares, Ronaldo T. Bernardo, Filipe G. L. Lindau, Oscar Vilca Gomez, Harrison Jara-Infantes, Victor Bustínza Urviola, L. Baker Perry, Jonathan Maurer, Anton Seimon, Margit Schwikowski, Gino Casassa, Shugui Hou, Andrei V. Kurbatov, Kimberley R. Miner, Jefferson C. Simões, Paul A. Mayewski   +24 more
doaj   +1 more source

Seasonal Variations in Hydrogen Peroxide in Polar Ice Cores [PDF]

, 1988
Hydrogen peroxide is present in polar snow and ice in remarkably high concentrations. With values up to 300 ppb, H2O2 is one of the most concentrated impurities in polar ice.
Sigg, Andreas, Albrecht Neftel, Neftel, Albrecht, Andreas Sigg   +3 more
core   +1 more source

²¹⁰Pb-Dating of Cold Alpine Firn/Ice Cores From Colle Gnifetti, Switzerland [PDF]

, 1983
The 210Pb(210Po) method has for the first time been successfully applied for dating cold alpine firn/ice cores. The mean accumulation rate on Grenzgletscher near Colle Gnifetti (Switzerland, altitude 4 450 m) is found to be 37 cm year−1 and 32 cm year−1 ...
H. R. von Gunten, E. Rössler, von Gunten, H. R., U. Schotterer, H. Oeschger, H. Gäggeler, Rössler, E., Oeschger, H., Schotterer, U., Gäggeler, H.   +9 more
core   +1 more source

Novel approach to estimate the water isotope diffusion length in deep ice cores with an application to Marine Isotope Stage 19 in the Dome C ice core [PDF]

The Cryosphere
Accurate estimates of water isotope diffusion lengths are crucial when reconstructing and interpreting water isotope records from ice cores. This is especially true in the deepest, oldest sections of deep ice cores, where thermally enhanced diffusive ...
F. Shaw, A. M. Dolman, T. Kunz, V. Gkinis, T. Laepple, T. Laepple   +5 more
doaj   +1 more source

The Shewanella oneidensis Fic enzyme SoFic targets the switch‐I region of EF‐Tu for AMPylation

FEBS Letters, EarlyView.
Fic enzymes mediate diverse post‐translational modifications across all domains of life, including AMPylation. Prokaryotic EF‐Tu can be AMPylated and deAMPylated by the conserved Fic enzyme SoFic. Structural and biochemical approaches were used to characterize the effect of AMPylation on EF‐Tu, SoFic's enzymatic activities, and the enzyme‐target ...
Svenja Runge, Vivian Pogenberg, Alexander Baumgart, Bente Siebels, Hartmut Schlüter, Michael Hecht‐Bucher, Aymelt Itzen   +6 more
wiley   +1 more source

(Table 3) Ion concentration of the GRIP and Dome Fuji ice cores, Greenland and Antarctica

, 2008
(Table 3) Ion concentration of the GRIP and Dome Fuji ice cores, Greenland and ...
Yoshinori Iizuka (8008220), Steffensen, Jørgen Peder, Hondoh, Takeo, Takeo Hondoh (8008223), Sakurai, Toshimitsu, Toshimitsu Sakurai (8008217), Jørgen Peder Steffensen (6961868), Dahl-Jensen, Dorthe, Dorthe Dahl-Jensen (6975797), Horikawa, Shinichiro, Sigfus Johnson (8024414), Johnson, Sigfus, Shinichiro Horikawa (3526973), Iizuka, Yoshinori   +13 more
core   +1 more source