Nitrate flux on the Ross Ice Shelf, Antarctica and its relation to solar cosmic rays
作者:
Edward J. Zeller,
Gisela A. M. Dreschhoff,
Claude M. Laird,
期刊:
Geophysical Research Letters
(WILEY Available online 1986)
卷期:
Volume 13,
issue 12
页码: 1264-1267
ISSN:0094-8276
年代: 1986
DOI:10.1029/GL013i012p01264
数据来源: WILEY
摘要:
Nitrate flux has been determined in the snow sequence deposited at Windless Bight on the Ross Ice Shelf (Antarctica). The data were obtained from on‐site analysis of nitrate concentrations from a glaciological pit and a firn core spanning the time interval from midwinter 1971 to January 1986. The high resolution data can be combined with precipitation records collected from adjacent areas to provide a record of nitrate flux. The resulting time series contains a signal which corresponds to the two major solar events of 1972 and 1984. The concentration and flux profiles may be useful in studies of Antarctic ozone depletio
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