Gravity Increase at the South Pole
Measurements made between December 1957 and January 1966 of the gravity difference between the McMurdo Sound pendulum station, which is on bedrock, and the South Pole station, which is on the Antarctic ice sheet, show a gravity increase at the South Pole of 0.11 milligals per year. The most likely h...
Published in: | Science |
---|---|
Main Author: | |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
American Association for the Advancement of Science (AAAS)
1967
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1126/science.155.3765.1015 https://www.science.org/doi/pdf/10.1126/science.155.3765.1015 |
id |
craaas:10.1126/science.155.3765.1015 |
---|---|
record_format |
openpolar |
spelling |
craaas:10.1126/science.155.3765.1015 2024-06-09T07:40:35+00:00 Gravity Increase at the South Pole Behrendt, John C. 1967 http://dx.doi.org/10.1126/science.155.3765.1015 https://www.science.org/doi/pdf/10.1126/science.155.3765.1015 en eng American Association for the Advancement of Science (AAAS) Science volume 155, issue 3765, page 1015-1017 ISSN 0036-8075 1095-9203 journal-article 1967 craaas https://doi.org/10.1126/science.155.3765.1015 2024-05-16T12:54:28Z Measurements made between December 1957 and January 1966 of the gravity difference between the McMurdo Sound pendulum station, which is on bedrock, and the South Pole station, which is on the Antarctic ice sheet, show a gravity increase at the South Pole of 0.11 milligals per year. The most likely hypothesis for the increase is that it was caused by ice flowing downslope across a gravity gradient and by the sinking of the South Pole station as a result of accumulation of ice. An alternate hypothesis that the gravity increase was caused by a decrease in ice thickness, of about 40 centimeters per year, is theoretically possible but is not supported by direct evidence. Article in Journal/Newspaper Antarc* Antarctic Ice Sheet McMurdo Sound South pole South pole AAAS Resource Center (American Association for the Advancement of Science) Antarctic The Antarctic McMurdo Sound South Pole Science 155 3765 1015 1017 |
institution |
Open Polar |
collection |
AAAS Resource Center (American Association for the Advancement of Science) |
op_collection_id |
craaas |
language |
English |
description |
Measurements made between December 1957 and January 1966 of the gravity difference between the McMurdo Sound pendulum station, which is on bedrock, and the South Pole station, which is on the Antarctic ice sheet, show a gravity increase at the South Pole of 0.11 milligals per year. The most likely hypothesis for the increase is that it was caused by ice flowing downslope across a gravity gradient and by the sinking of the South Pole station as a result of accumulation of ice. An alternate hypothesis that the gravity increase was caused by a decrease in ice thickness, of about 40 centimeters per year, is theoretically possible but is not supported by direct evidence. |
format |
Article in Journal/Newspaper |
author |
Behrendt, John C. |
spellingShingle |
Behrendt, John C. Gravity Increase at the South Pole |
author_facet |
Behrendt, John C. |
author_sort |
Behrendt, John C. |
title |
Gravity Increase at the South Pole |
title_short |
Gravity Increase at the South Pole |
title_full |
Gravity Increase at the South Pole |
title_fullStr |
Gravity Increase at the South Pole |
title_full_unstemmed |
Gravity Increase at the South Pole |
title_sort |
gravity increase at the south pole |
publisher |
American Association for the Advancement of Science (AAAS) |
publishDate |
1967 |
url |
http://dx.doi.org/10.1126/science.155.3765.1015 https://www.science.org/doi/pdf/10.1126/science.155.3765.1015 |
geographic |
Antarctic The Antarctic McMurdo Sound South Pole |
geographic_facet |
Antarctic The Antarctic McMurdo Sound South Pole |
genre |
Antarc* Antarctic Ice Sheet McMurdo Sound South pole South pole |
genre_facet |
Antarc* Antarctic Ice Sheet McMurdo Sound South pole South pole |
op_source |
Science volume 155, issue 3765, page 1015-1017 ISSN 0036-8075 1095-9203 |
op_doi |
https://doi.org/10.1126/science.155.3765.1015 |
container_title |
Science |
container_volume |
155 |
container_issue |
3765 |
container_start_page |
1015 |
op_container_end_page |
1017 |
_version_ |
1801383967484542976 |