Surface roughness on the Greenland Ice Sheet from airborne laser altimetry
This is the published version, also available here: http://dx.doi.org/10.1029/1998GL900041. High resolution airborne laser altimetry is used to determine the small-scale surface relief in central Greenland and estimate the contribution from spatial noise to stratigraphic records. The standard deviat...
Published in: | Geophysical Research Letters |
---|---|
Main Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
American Geophysical Union
2015
|
Subjects: | |
Online Access: | http://hdl.handle.net/1808/17341 https://doi.org/10.1029/1998GL900041 |
id |
ftunivkansas:oai:kuscholarworks.ku.edu:1808/17341 |
---|---|
record_format |
openpolar |
spelling |
ftunivkansas:oai:kuscholarworks.ku.edu:1808/17341 2023-05-15T16:25:52+02:00 Surface roughness on the Greenland Ice Sheet from airborne laser altimetry van der Veen, Cornelis J. Krabill, William B. Csatho, Bea M. Bolzan, J. F. 2015-04-08T19:59:16Z http://hdl.handle.net/1808/17341 https://doi.org/10.1029/1998GL900041 unknown American Geophysical Union Van Der Veen, C. J., Krabill, W. B., Csatho, B. M., Bolzan, J. F. "Surface roughness on the Greenland Ice Sheet from airborne laser altimetry." Geophysical Research Letters. (1998) Volume 25, Issue 20, pages 3887–3890, 15 October 1998. http://dx.doi.org/10.1029/1998GL900041. http://hdl.handle.net/1808/17341 doi:10.1029/1998GL900041 openAccess Article 2015 ftunivkansas https://doi.org/10.1029/1998GL900041 2022-08-26T13:16:46Z This is the published version, also available here: http://dx.doi.org/10.1029/1998GL900041. High resolution airborne laser altimetry is used to determine the small-scale surface relief in central Greenland and estimate the contribution from spatial noise to stratigraphic records. The standard deviation of the surface roughness is 1.6 cm water equivalent, corresponding to a standard deviation of annual layer thickness of 2.3 cm we. This estimate agrees with an independent assessment of the spatial variability (2.5 cm we) based on nine shallow ice cores. The agreement suggests that the statistical nature of the surface in central Greenland remains unchanged throughout the year. By conducting airborne altimetry around proposed drilling sites, the expected noise level in the core can be evaluated and sites selected where this level is lowest. Article in Journal/Newspaper Greenland Ice Sheet The University of Kansas: KU ScholarWorks Greenland Geophysical Research Letters 25 20 3887 3890 |
institution |
Open Polar |
collection |
The University of Kansas: KU ScholarWorks |
op_collection_id |
ftunivkansas |
language |
unknown |
description |
This is the published version, also available here: http://dx.doi.org/10.1029/1998GL900041. High resolution airborne laser altimetry is used to determine the small-scale surface relief in central Greenland and estimate the contribution from spatial noise to stratigraphic records. The standard deviation of the surface roughness is 1.6 cm water equivalent, corresponding to a standard deviation of annual layer thickness of 2.3 cm we. This estimate agrees with an independent assessment of the spatial variability (2.5 cm we) based on nine shallow ice cores. The agreement suggests that the statistical nature of the surface in central Greenland remains unchanged throughout the year. By conducting airborne altimetry around proposed drilling sites, the expected noise level in the core can be evaluated and sites selected where this level is lowest. |
format |
Article in Journal/Newspaper |
author |
van der Veen, Cornelis J. Krabill, William B. Csatho, Bea M. Bolzan, J. F. |
spellingShingle |
van der Veen, Cornelis J. Krabill, William B. Csatho, Bea M. Bolzan, J. F. Surface roughness on the Greenland Ice Sheet from airborne laser altimetry |
author_facet |
van der Veen, Cornelis J. Krabill, William B. Csatho, Bea M. Bolzan, J. F. |
author_sort |
van der Veen, Cornelis J. |
title |
Surface roughness on the Greenland Ice Sheet from airborne laser altimetry |
title_short |
Surface roughness on the Greenland Ice Sheet from airborne laser altimetry |
title_full |
Surface roughness on the Greenland Ice Sheet from airborne laser altimetry |
title_fullStr |
Surface roughness on the Greenland Ice Sheet from airborne laser altimetry |
title_full_unstemmed |
Surface roughness on the Greenland Ice Sheet from airborne laser altimetry |
title_sort |
surface roughness on the greenland ice sheet from airborne laser altimetry |
publisher |
American Geophysical Union |
publishDate |
2015 |
url |
http://hdl.handle.net/1808/17341 https://doi.org/10.1029/1998GL900041 |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Ice Sheet |
genre_facet |
Greenland Ice Sheet |
op_relation |
Van Der Veen, C. J., Krabill, W. B., Csatho, B. M., Bolzan, J. F. "Surface roughness on the Greenland Ice Sheet from airborne laser altimetry." Geophysical Research Letters. (1998) Volume 25, Issue 20, pages 3887–3890, 15 October 1998. http://dx.doi.org/10.1029/1998GL900041. http://hdl.handle.net/1808/17341 doi:10.1029/1998GL900041 |
op_rights |
openAccess |
op_doi |
https://doi.org/10.1029/1998GL900041 |
container_title |
Geophysical Research Letters |
container_volume |
25 |
container_issue |
20 |
container_start_page |
3887 |
op_container_end_page |
3890 |
_version_ |
1766014706964758528 |