the equilibrium flow and mass balance of the taku glacier, alaska 1950–2006
Clicks: 171
ID: 186138
2008
Article Quality & Performance Metrics
Overall Quality
Not rated
Combines reader engagement with the AI quality analysis. This
article has not been analysed, so there is no overall score —
reader engagement is measured and shown alongside.
Reader Engagement
Star Article
30.0
/100
171 views
27 readers
AI Quality Assessment
Not analyzed
Readership in this journal
StarRanked #73 of 134 articles by views in journal of applied polymer science
Most read
Least read
Bar heights use a square-root scale. Only the 120 most-read articles are drawn; the journal has 134 in total.
Mint this article as an NFT
Not yet mintedCreate a permanent, verifiable on-chain record of this article on the Scimatic Network. The NFT is held in your Journament account, and you can withdraw it to your own wallet at any time.
5
SUSD
one-off · no wallet required
Abstract
The Taku Glacier, Alaska has advanced 7.5 km since the late nineteenth century, while all other primary outlet glaciers of the Juneau Icefield are in retreat. The Juneau Icefield Research Program has completed field work on the Taku Glacier annually since 1946. The collected observations of surface mass balance, glacier velocity and glacier thickness at Profile IV 29 km above the terminus and 4 km above the equilibrium line provide a means to assess the equilibrium nature of the Taku Glacier. Annual velocity measured and summer velocity measurements completed at a Profile IV from 1950–2006 indicate insignificant variations in velocity seasonally or from year to year. The consistency of velocity over the 56-year period indicates that in the vicinity of the equilibrium line, the flow of the Taku Glacier has been in an equilibrium state. <br><br> Surface mass balance was positive from 1946–1988 averaging +0.42 m a<sup>−1</sup>. This led to glacier thickening. From 1988–2006 an important change has occurred and annual balance has been −0.14 m a<sup>−1</sup>, and the glacier thickness has ceased increasing along Profile IV. <br><br> Field measurements of ice depth and surface velocity allow calculation of the volume flux at Profile IV. Volume flux is then compared with the surface balance flux from the region of the glacier above Profile IV, determined annually in the field. Above Profile IV the observed mean surface flux from 1950–2006 is 5.50×10<sup>8</sup> m<sup>3</sup> a<sup>−1</sup> (±5%), while the calculated volume flux range for the same period flowing through profile IV is 5.00–5.47×10<sup>8</sup> m<sup>3</sup> a<sup>−1</sup>. The mean surface flux has been greater than the volume flux, which has led to slow thickening of the Taku Glacier up to 1988. The thickening has not led to a change in the flow of Taku Glacier at Profile IV.
| Reference Key |
pelto2008thethe
Use this key to autocite in the manuscript while using
SciMatic Manuscript Manager or Thesis Manager
|
|---|---|
| Authors | ;M. S. Pelto;M. M. Miller;G. W. Adema;M. J. Beedle;S. R. McGee;K. F. Sprenke;M. Lang |
| Journal | journal of applied polymer science |
| Year | 2008 |
| DOI |
DOI not found
|
| URL | |
| Keywords |
Citations
No citations found. To add a citation, contact the admin at info@scimatic.org
Comments
No comments yet. Be the first to comment on this article.