Old ice in rock glaciers may provide long-term climate records
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Abstract
Anyone who spends much time above the treeline has probably seen rock glaciers and paused to wonder about them. Their curious and occasionally spectacular forms (Figure 1) occur in alpine and polar regions throughout the world, yet much remains uncertain about how they develop. A core of ice recently recovered from a rock glacier in the Absaroka Mountains of northwestern Wyoming vividly illustrates several important aspects about rock glaciers. At least some rock glaciers are a form of debris-covered glacier, and original isotopic stratigraphy may be preserved within their ice. Perhaps most interesting of all, the core of some rock glaciers is composed of layered ice that can be drilled and recovered, and some of this ice is exceptionally old.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Old ice in rock glaciers may provide long-term climate records |
| Series title | Eos, Transactions, American Geophysical Union |
| DOI | 10.1029/96EO00149 |
| Volume | 77 |
| Issue | 23 |
| Year Published | 1996 |
| Language | English |
| Publisher | American Geophysical Union |
| Description | 8 p. |
| First page | 217 |
| Last page | 224 |
| Google Analytic Metrics | Metrics page |