 |
| Titel |
Brief Communication: Further summer speedup of Jakobshavn Isbræ |
| VerfasserIn |
I. Joughin, B. E. Smith, D. E. Shean, D. Floricioiu |
| Medientyp |
Artikel
|
| Sprache |
Englisch
|
| ISSN |
1994-0416
|
| Digitales Dokument |
URL |
| Erschienen |
In: The Cryosphere ; 8, no. 1 ; Nr. 8, no. 1 (2014-02-03), S.209-214 |
| Datensatznummer |
250116017
|
| Publikation (Nr.) |
 copernicus.org/tc-8-209-2014.pdf |
|
|
|
|
|
| Zusammenfassung |
| We have extended the record of flow speed on Jakobshavn Isbræ through
the summer of 2013. These new data reveal large seasonal speedups, 30 to
50% greater than previous summers. At a point a few kilometres inland from
the terminus, the mean annual speed for 2012 is nearly three times as great
as that in the mid-1990s, while the peak summer speeds are more than a
factor of four greater. These speeds were achieved as the glacier terminus
appears to have retreated to the bottom of an over-deepened basin with a
depth of ~ 1300 m below sea level. The terminus is likely
to reach the deepest section of the trough within a few decades, after which
it could rapidly retreat to the shallower regions ~ 50 km
farther upstream, potentially by the end of this century. |
| |
|
| Teil von |
|
|
|
|
|
|
|
|