In:
Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 102, No. C12 ( 1997-11-30), p. 26877-26886
Abstract:
Satellite passive‐microwave sensors provide a sensitive means of studying ice‐sheet surface processes that assists ice‐core interpretation and can extend local observations across regional scales. Analysis of special sensor microwave/imager (SSM/I) brightness temperature ( T B ) data supports ice‐core research in two specific ways. First, the summer hoar complex layers used to date the Holocene portion of the Greenland Ice Sheet Project 2 ice core can be defined temporally and spatially by SSM/I 37‐GHz vertically (V) and horizontally (H) polarized B ratio (V/H) trends. Second, comparison of automatic weather station temperatures to SSM/I 37‐GHz V T B data shows that they are an effective proxy temperature record in this region. Also, the T B data can be correlated with proxy temperature trends from stable‐isotope‐ratio (δ 18 O and δD) profiles from snow pits and this allows the assignment of dates to specific snow depths.
Type of Medium:
Online Resource
ISSN:
0148-0227
Language:
English
Publisher:
American Geophysical Union (AGU)
Publication Date:
1997
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