High-resolution stable water isotope composition of firn core OH-11 from Plateau Laclavere, northern Antarctic Peninsula

Firn core OH-11 was retrieved from Plateau Laclavere, a small ice cap on the northernmost end of the Antarctic Peninsula, at about 1130 m above sea level (a.s.l.). It was drilled in January 2015 to a depth of 20.44 m. The core was obtained using a portable solar-powered and electrically operated ice...

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Bibliographic Details
Main Authors: Hoffmann-Abdi, Kirstin, Meyer, Hanno, Fernandoy, Francisco, Freitag, Johannes, Shaw, Fyntan M, Werner, Martin, Thomas, Elizabeth R, McConnell, Joseph R, Weiner, Mikaela, Schneider, Christoph
Format: Dataset
Language:English
Published: PANGAEA 2023
Subjects:
Antarctic Peninsula
DEPTH
ice/snow
Deuterium excess
Firn chemistry
firn core
ICEDRILL
Ice drill
Off-axis integrated cavity output spectroscopy
TLWIA 45EP
Los Gatos Research
OH-11
proxies
Sample ID
stable water isotopes
δ18O
water
δ Deuterium
Antarc*
Antarctic
Ice cap
ice core
Journal of Glaciology
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.961076
https://doi.org/10.1594/PANGAEA.961076
Description
Summary:Firn core OH-11 was retrieved from Plateau Laclavere, a small ice cap on the northernmost end of the Antarctic Peninsula, at about 1130 m above sea level (a.s.l.). It was drilled in January 2015 to a depth of 20.44 m. The core was obtained using a portable solar-powered and electrically operated ice-core drill (Backpack Drill; icedrill.ch AG). Subsamples for stable water isotope analysis were obtained at 5 cm resolution. Stable water isotope measurements of OH-11 were conducted at the Stable Isotope Laboratory of the Universidad Nacional Andrés Bello (UNAB) in Viña del Mar, Chile, in autumn 2015 with an off-axis integrated cavity output spectrometer (TLWIA 45EP; Los Gatos Research). The core has not been dated yet.

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