Recent intra‐annual snow accumulation at South Pole: Implications for ice core interpretation

JR McConnell, RC Bales… - Journal of Geophysical …, 1997 - Wiley Online Library
Spatial and temporal variability in snow accumulation can have a significant impact on
interpretation of ice cores, particularly for chemical species that show a strong seasonal …

Physically based inversion of surface snow concentrations of H2O2 to atmospheric concentrations at South Pole

JR McConnell, JR Winterle, RC Bales… - Geophysical …, 1997 - Wiley Online Library
Inversion of chemical records archived in ice cores to atmospheric concentrations requires a
detailed understanding of atmosphere‐to‐snow‐to‐ice transfer processes. A unique year …

A lumped parameter model for the atmosphere‐to‐snow transfer function for hydrogen peroxide

JR McConnell, RC Bales, JR Winterle… - Journal of …, 1997 - Wiley Online Library
Of the main atmospheric oxidants, only hydrogen peroxide (H2O2) is preserved in polar ice
cores. To make use of the peroxide record, however, requires a quantitative understanding …

Initial findings of recent investigations of air-snow relationships in the Summit region of the Greenland Ice Sheet

JE Dibb, JL Jaffrezo, M Legrand - Journal of Atmospheric Chemistry, 1992 - Springer
Abstract The concentrations of 7 Be, 210 Pb and major ions have been measured in acrosol
and snow samples collected near Summit, Greenland (72° 20′ N, 38° 45′ W) in the …

H2O2 and HCHO in Polar Snow and Their Relation to Atmospheric Chemistry

A Neftel, RC Bales, DJ Jacob - Ice core studies of global biogeochemical …, 1995 - Springer
Our ability to infer past atmospheric concentrations of hydrogen peroxide (H 2 O 2) and
formaldehyde (HCHO) from concentrations measured in. polar firn and ice cores is limited by …

Annual net snow accumulation over southern Greenland from 1975 to 1998

JR McConnell, G Lamorey, E Hanna… - Journal of …, 2001 - Wiley Online Library
As part of NASA's Program for Arctic Regional Climate Assessment (PARCA), extensive ice
core measurements of annual net water‐equivalent accumulation have been made recently …

Physically based modeling of atmosphere‐to‐snow‐to‐firn transfer of H2O2 at South Pole

JR McConnell, RC Bales, RW Stewart… - Journal of …, 1998 - Wiley Online Library
Quantitative interpretation of ice core chemical records requires a detailed understanding of
the transfer processes that relate atmospheric concentrations to those in the snow, firn, and …

Recent climate anomalies and their impact on snow chemistry at South Pole, 1987‐1994

JE Dibb, SI Whitlow - Geophysical Research Letters, 1996 - Wiley Online Library
Three 2‐m deep snowpits sampled at South Pole in 1994 provide detailed (2‐cm resolution)
profiles of the concentrations of soluble ionic species for the period 1987–1994. The most …

Interannual variations of snow accumulation on the Greenland Ice Sheet (1985–1996): New observations versus model predictions

JR McConnell, E Mosley‐Thompson… - Journal of …, 2000 - Wiley Online Library
Newly measured time series of net water‐equivalent accumulation from ice cores are
reported for 11 sites located near the 2000‐m contour of the Greenland Ice Sheet. Many of …

Topographic control of regional accumulation rate variability at South Pole and implications for ice-core interpretation

GS Hamilton - Annals of Glaciology, 2004 - cambridge.org
Snow-accumulation rates are known to be sensitive to local changes in ice-sheet surface
slope because of the effect of katabatic winds. These topographic effects can be preserved …