Seals map bathymetry of the Antarctic continental shelf
[1] We demonstrate the first use of marine mammal dive‐depth data to improve maps of bathymetry in poorly sampled regions of the continental shelf. A group of 57 instrumented elephant seals made on the order of 2 × 105 dives over and near the continental shelf on the western side of the Antarctic Pe...
Published in: | Geophysical Research Letters |
---|---|
Main Authors: | , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
American Geophysical Union
2010
|
Subjects: | |
Online Access: | https://nrl.northumbria.ac.uk/id/eprint/46029/ https://doi.org/10.1029/2010GL044921 https://nrl.northumbria.ac.uk/id/eprint/46029/1/2010GL044921.pdf |
id |
ftunivnorthumb:oai:nrl.northumbria.ac.uk:46029 |
---|---|
record_format |
openpolar |
spelling |
ftunivnorthumb:oai:nrl.northumbria.ac.uk:46029 2023-05-15T13:44:52+02:00 Seals map bathymetry of the Antarctic continental shelf Padman, Laurie Costa, Daniel P. Bolmer, S. Thompson Goebel, Michael E. Huckstadt, Luis A. Jenkins, Adrian McDonald, Birgitte I. Shoosmith, Deborah R. 2010-11-01 text https://nrl.northumbria.ac.uk/id/eprint/46029/ https://doi.org/10.1029/2010GL044921 https://nrl.northumbria.ac.uk/id/eprint/46029/1/2010GL044921.pdf en eng American Geophysical Union https://nrl.northumbria.ac.uk/id/eprint/46029/1/2010GL044921.pdf Padman, Laurie, Costa, Daniel P., Bolmer, S. Thompson, Goebel, Michael E., Huckstadt, Luis A., Jenkins, Adrian, McDonald, Birgitte I. and Shoosmith, Deborah R. (2010) Seals map bathymetry of the Antarctic continental shelf. Geophysical Research Letters, 37 (21). L21601. ISSN 0094-8276 F700 Ocean Sciences F800 Physical and Terrestrial Geographical and Environmental Sciences Article PeerReviewed 2010 ftunivnorthumb https://doi.org/10.1029/2010GL044921 2022-09-25T06:13:44Z [1] We demonstrate the first use of marine mammal dive‐depth data to improve maps of bathymetry in poorly sampled regions of the continental shelf. A group of 57 instrumented elephant seals made on the order of 2 × 105 dives over and near the continental shelf on the western side of the Antarctic Peninsula during five seasons, 2005–2009. Maximum dive depth exceeded 2000 m. For dives made near existing ship tracks with measured water depths H<700 m, ∼30% of dive depths were to the seabed, consistent with expected benthic foraging behavior. By identifying the deepest of multiple dives within small areas as a dive to the seabed, we have developed a map of seal‐derived bathymetry. Our map fills in several regions for which trackline data are sparse, significantly improving delineation of troughs crossing the continental shelf of the southern Bellingshausen Sea. Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Bellingshausen Sea Elephant Seals Northumbria University, Newcastle: Northumbria Research Link (NRL) Antarctic Antarctic Peninsula Bellingshausen Sea The Antarctic Geophysical Research Letters 37 21 n/a n/a |
institution |
Open Polar |
collection |
Northumbria University, Newcastle: Northumbria Research Link (NRL) |
op_collection_id |
ftunivnorthumb |
language |
English |
topic |
F700 Ocean Sciences F800 Physical and Terrestrial Geographical and Environmental Sciences |
spellingShingle |
F700 Ocean Sciences F800 Physical and Terrestrial Geographical and Environmental Sciences Padman, Laurie Costa, Daniel P. Bolmer, S. Thompson Goebel, Michael E. Huckstadt, Luis A. Jenkins, Adrian McDonald, Birgitte I. Shoosmith, Deborah R. Seals map bathymetry of the Antarctic continental shelf |
topic_facet |
F700 Ocean Sciences F800 Physical and Terrestrial Geographical and Environmental Sciences |
description |
[1] We demonstrate the first use of marine mammal dive‐depth data to improve maps of bathymetry in poorly sampled regions of the continental shelf. A group of 57 instrumented elephant seals made on the order of 2 × 105 dives over and near the continental shelf on the western side of the Antarctic Peninsula during five seasons, 2005–2009. Maximum dive depth exceeded 2000 m. For dives made near existing ship tracks with measured water depths H<700 m, ∼30% of dive depths were to the seabed, consistent with expected benthic foraging behavior. By identifying the deepest of multiple dives within small areas as a dive to the seabed, we have developed a map of seal‐derived bathymetry. Our map fills in several regions for which trackline data are sparse, significantly improving delineation of troughs crossing the continental shelf of the southern Bellingshausen Sea. |
format |
Article in Journal/Newspaper |
author |
Padman, Laurie Costa, Daniel P. Bolmer, S. Thompson Goebel, Michael E. Huckstadt, Luis A. Jenkins, Adrian McDonald, Birgitte I. Shoosmith, Deborah R. |
author_facet |
Padman, Laurie Costa, Daniel P. Bolmer, S. Thompson Goebel, Michael E. Huckstadt, Luis A. Jenkins, Adrian McDonald, Birgitte I. Shoosmith, Deborah R. |
author_sort |
Padman, Laurie |
title |
Seals map bathymetry of the Antarctic continental shelf |
title_short |
Seals map bathymetry of the Antarctic continental shelf |
title_full |
Seals map bathymetry of the Antarctic continental shelf |
title_fullStr |
Seals map bathymetry of the Antarctic continental shelf |
title_full_unstemmed |
Seals map bathymetry of the Antarctic continental shelf |
title_sort |
seals map bathymetry of the antarctic continental shelf |
publisher |
American Geophysical Union |
publishDate |
2010 |
url |
https://nrl.northumbria.ac.uk/id/eprint/46029/ https://doi.org/10.1029/2010GL044921 https://nrl.northumbria.ac.uk/id/eprint/46029/1/2010GL044921.pdf |
geographic |
Antarctic Antarctic Peninsula Bellingshausen Sea The Antarctic |
geographic_facet |
Antarctic Antarctic Peninsula Bellingshausen Sea The Antarctic |
genre |
Antarc* Antarctic Antarctic Peninsula Bellingshausen Sea Elephant Seals |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Bellingshausen Sea Elephant Seals |
op_relation |
https://nrl.northumbria.ac.uk/id/eprint/46029/1/2010GL044921.pdf Padman, Laurie, Costa, Daniel P., Bolmer, S. Thompson, Goebel, Michael E., Huckstadt, Luis A., Jenkins, Adrian, McDonald, Birgitte I. and Shoosmith, Deborah R. (2010) Seals map bathymetry of the Antarctic continental shelf. Geophysical Research Letters, 37 (21). L21601. ISSN 0094-8276 |
op_doi |
https://doi.org/10.1029/2010GL044921 |
container_title |
Geophysical Research Letters |
container_volume |
37 |
container_issue |
21 |
container_start_page |
n/a |
op_container_end_page |
n/a |
_version_ |
1766207870991335424 |