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Record #164656:
- #164656
Main publication details
MARC recordDetailed observations of the rippled surface of Antarctic blue-ice areas / Richard Bintanja, Carleen H. Reijmer, Suzanne J.M.H. Hulscher.
| Title: | Detailed observations of the rippled surface of Antarctic blue-ice areas / Richard Bintanja, Carleen H. Reijmer, Suzanne J.M.H. Hulscher. |
| Author(s): | Bintanja, Richard. Reijmer, Carleen H. Hulscher, Suzanne J. M. H. |
| Date: | 2001. |
| In: | Journal of Glaciology. (2001.), Vol. 47(158) (2001) |
| Abstract: | Describes detailed measurements of blue-ice ripples from five sites in the Heimefrontfjella, Dronning Maud Land. Most of surface of blue ice areas visited displayed ripples. Records wavelength, wave height, wave speed and orientation. Wave height (1-2 cm) and standard deviation increased with time at all sites during summer observation period. Traditional stake or acoustic height sensor methods therefore underestimated ablation. Ablation greater in troughs than on crests. Reports ripples forming in 1 month from initially flat surface and significant downwind migration of ripples at one site. Ripples oriented perpendicular to direction of strongest winds, suggesting regular spatial variations of wind-induced sublimation as cause. Presents simple linear model in which ice-ripples generated by free instability of coupled ice-airflow system. Modelled ripples with the observed wavelength of 20-24 cm are able to grow. Those with wavelengths smaller than 16 cm are suppressed. |
| Notes: | Journal of Glaciology. Vol. 47(158) :387-396 (2001). |
| Keywords: | 551.324 -- Land ice. 551.324.433 -- Land ice, ablation and calving. 551.324.8 -- Land ice, structure and surface features. 519.673 -- Modelling. E5 -- Glaciology: land ice. (*7) -- Antarctic regions. (*73) -- Dronning Maud Land. |
| SPRI record no.: | 164656 |
LDR 02015naa#a2200000#a#4500 001 SPRI-164656 005 20230929105632.0 007 ta 008 230929s2001####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-164656 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aBintanja, Richard. 245 10 ‡aDetailed observations of the rippled surface of Antarctic blue-ice areas /‡cRichard Bintanja, Carleen H. Reijmer, Suzanne J.M.H. Hulscher. 260 ## ‡a[S.l.] :‡b[s.n.],‡c2001. 300 ## ‡ap. 387-396 :‡bill., diags., tables. 500 ## ‡aJournal of Glaciology. Vol. 47(158) :387-396 (2001). 520 3# ‡aDescribes detailed measurements of blue-ice ripples from five sites in the Heimefrontfjella, Dronning Maud Land. Most of surface of blue ice areas visited displayed ripples. Records wavelength, wave height, wave speed and orientation. Wave height (1-2 cm) and standard deviation increased with time at all sites during summer observation period. Traditional stake or acoustic height sensor methods therefore underestimated ablation. Ablation greater in troughs than on crests. Reports ripples forming in 1 month from initially flat surface and significant downwind migration of ripples at one site. Ripples oriented perpendicular to direction of strongest winds, suggesting regular spatial variations of wind-induced sublimation as cause. Presents simple linear model in which ice-ripples generated by free instability of coupled ice-airflow system. Modelled ripples with the observed wavelength of 20-24 cm are able to grow. Those with wavelengths smaller than 16 cm are suppressed. 650 07 ‡a551.324 -- Land ice.‡2udc 650 07 ‡a551.324.433 -- Land ice, ablation and calving.‡2udc 650 07 ‡a551.324.8 -- Land ice, structure and surface features.‡2udc 650 07 ‡a519.673 -- Modelling.‡2udc 650 07 ‡aE5 -- Glaciology: land ice.‡2local 651 #7 ‡a(*7) -- Antarctic regions.‡2udc 651 #7 ‡a(*73) -- Dronning Maud Land.‡2udc 700 1# ‡aReijmer, Carleen H. 700 1# ‡aHulscher, Suzanne J. M. H. 773 0# ‡7nnas ‡tJournal of Glaciology. ‡gVol. 47(158) (2001) ‡wSPRI-20534 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20230929