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 (TB) 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 TB data shows that they are an effective proxy temperature record in this region. Also, the 7B data can be correlated with proxy temperature trends from stable-isotope-ratio (δ18O and δD) profiles from snow pits and this allows the assignment of dates to specific snow depths.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 26877-26886 |
| Number of pages | 10 |
| Journal | Journal of Geophysical Research: Oceans |
| Volume | 102 |
| Issue number | C12 |
| DOIs | |
| State | Published - Nov 30 1997 |
All Science Journal Classification (ASJC) codes
- Geochemistry and Petrology
- Geophysics
- Oceanography
- Space and Planetary Science
- Earth and Planetary Sciences (miscellaneous)
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