Eintrag weiter verarbeiten
Greenland subglacial lakes detected by radar
Gespeichert in:
| Zeitschriftentitel: | Geophysical Research Letters |
|---|---|
| Personen und Körperschaften: | , , , , , , , , |
| In: | Geophysical Research Letters, 40, 2013, 23, S. 6154-6159 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
|
| Schlagwörter: |
| author_facet |
Palmer, Steven J. Dowdeswell, Julian A. Christoffersen, Poul Young, Duncan A. Blankenship, Donald D. Greenbaum, Jamin S. Benham, Toby Bamber, Jonathan Siegert, Martin J. Palmer, Steven J. Dowdeswell, Julian A. Christoffersen, Poul Young, Duncan A. Blankenship, Donald D. Greenbaum, Jamin S. Benham, Toby Bamber, Jonathan Siegert, Martin J. |
|---|---|
| author |
Palmer, Steven J. Dowdeswell, Julian A. Christoffersen, Poul Young, Duncan A. Blankenship, Donald D. Greenbaum, Jamin S. Benham, Toby Bamber, Jonathan Siegert, Martin J. |
| spellingShingle |
Palmer, Steven J. Dowdeswell, Julian A. Christoffersen, Poul Young, Duncan A. Blankenship, Donald D. Greenbaum, Jamin S. Benham, Toby Bamber, Jonathan Siegert, Martin J. Geophysical Research Letters Greenland subglacial lakes detected by radar General Earth and Planetary Sciences Geophysics |
| author_sort |
palmer, steven j. |
| spelling |
Palmer, Steven J. Dowdeswell, Julian A. Christoffersen, Poul Young, Duncan A. Blankenship, Donald D. Greenbaum, Jamin S. Benham, Toby Bamber, Jonathan Siegert, Martin J. 0094-8276 1944-8007 American Geophysical Union (AGU) General Earth and Planetary Sciences Geophysics http://dx.doi.org/10.1002/2013gl058383 <jats:title>Abstract</jats:title><jats:p>Subglacial lakes are an established and important component of the basal hydrological system of the Antarctic ice sheets, but none have been reported from Greenland. Here we present airborne radio echo sounder (RES) measurements that provide the first clear evidence for the existence of subglacial lakes in Greenland. Two lakes, with areas ~8 and ~10 km<jats:sup>2</jats:sup>, are found in the northwest sector of the ice sheet, ~40 km from the ice margin, and below 757 and 809 m of ice, respectively. The setting of the Greenland lakes differs from those of Antarctic subglacial lakes, being beneath relatively thin and cold ice, pointing to a fundamental difference in their nature and genesis. Possibilities that the lakes consist of either ancient saline water in a closed system or are part of a fresh, modern open hydrological system are discussed, with the latter interpretation considered more likely.</jats:p> Greenland subglacial lakes detected by radar Geophysical Research Letters |
| doi_str_mv |
10.1002/2013gl058383 |
| facet_avail |
Online Free |
| finc_class_facet |
Geologie und Paläontologie Geographie Physik |
| format |
ElectronicArticle |
| fullrecord |
blob:ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTAwMi8yMDEzZ2wwNTgzODM |
| id |
ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTAwMi8yMDEzZ2wwNTgzODM |
| institution |
DE-D275 DE-Bn3 DE-Brt1 DE-D161 DE-Zwi2 DE-Gla1 DE-Zi4 DE-15 DE-Pl11 DE-Rs1 DE-105 DE-14 DE-Ch1 DE-L229 |
| imprint |
American Geophysical Union (AGU), 2013 |
| imprint_str_mv |
American Geophysical Union (AGU), 2013 |
| issn |
0094-8276 1944-8007 |
| issn_str_mv |
0094-8276 1944-8007 |
| language |
English |
| mega_collection |
American Geophysical Union (AGU) (CrossRef) |
| match_str |
palmer2013greenlandsubglaciallakesdetectedbyradar |
| publishDateSort |
2013 |
| publisher |
American Geophysical Union (AGU) |
| recordtype |
ai |
| record_format |
ai |
| series |
Geophysical Research Letters |
| source_id |
49 |
| title |
Greenland subglacial lakes detected by radar |
| title_unstemmed |
Greenland subglacial lakes detected by radar |
| title_full |
Greenland subglacial lakes detected by radar |
| title_fullStr |
Greenland subglacial lakes detected by radar |
| title_full_unstemmed |
Greenland subglacial lakes detected by radar |
| title_short |
Greenland subglacial lakes detected by radar |
| title_sort |
greenland subglacial lakes detected by radar |
| topic |
General Earth and Planetary Sciences Geophysics |
| url |
http://dx.doi.org/10.1002/2013gl058383 |
| publishDate |
2013 |
| physical |
6154-6159 |
| description |
<jats:title>Abstract</jats:title><jats:p>Subglacial lakes are an established and important component of the basal hydrological system of the Antarctic ice sheets, but none have been reported from Greenland. Here we present airborne radio echo sounder (RES) measurements that provide the first clear evidence for the existence of subglacial lakes in Greenland. Two lakes, with areas ~8 and ~10 km<jats:sup>2</jats:sup>, are found in the northwest sector of the ice sheet, ~40 km from the ice margin, and below 757 and 809 m of ice, respectively. The setting of the Greenland lakes differs from those of Antarctic subglacial lakes, being beneath relatively thin and cold ice, pointing to a fundamental difference in their nature and genesis. Possibilities that the lakes consist of either ancient saline water in a closed system or are part of a fresh, modern open hydrological system are discussed, with the latter interpretation considered more likely.</jats:p> |
| container_issue |
23 |
| container_start_page |
6154 |
| container_title |
Geophysical Research Letters |
| container_volume |
40 |
| format_de105 |
Article, E-Article |
| format_de14 |
Article, E-Article |
| format_de15 |
Article, E-Article |
| format_de520 |
Article, E-Article |
| format_de540 |
Article, E-Article |
| format_dech1 |
Article, E-Article |
| format_ded117 |
Article, E-Article |
| format_degla1 |
E-Article |
| format_del152 |
Buch |
| format_del189 |
Article, E-Article |
| format_dezi4 |
Article |
| format_dezwi2 |
Article, E-Article |
| format_finc |
Article, E-Article |
| format_nrw |
Article, E-Article |
| _version_ |
1792346870114156556 |
| geogr_code |
not assigned |
| last_indexed |
2024-03-01T17:45:52.642Z |
| geogr_code_person |
not assigned |
| openURL |
url_ver=Z39.88-2004&ctx_ver=Z39.88-2004&ctx_enc=info%3Aofi%2Fenc%3AUTF-8&rfr_id=info%3Asid%2Fvufind.svn.sourceforge.net%3Agenerator&rft.title=Greenland+subglacial+lakes+detected+by+radar&rft.date=2013-12-16&genre=article&issn=1944-8007&volume=40&issue=23&spage=6154&epage=6159&pages=6154-6159&jtitle=Geophysical+Research+Letters&atitle=Greenland+subglacial+lakes+detected+by+radar&aulast=Siegert&aufirst=Martin+J.&rft_id=info%3Adoi%2F10.1002%2F2013gl058383&rft.language%5B0%5D=eng |
| SOLR | |
| _version_ | 1792346870114156556 |
| author | Palmer, Steven J., Dowdeswell, Julian A., Christoffersen, Poul, Young, Duncan A., Blankenship, Donald D., Greenbaum, Jamin S., Benham, Toby, Bamber, Jonathan, Siegert, Martin J. |
| author_facet | Palmer, Steven J., Dowdeswell, Julian A., Christoffersen, Poul, Young, Duncan A., Blankenship, Donald D., Greenbaum, Jamin S., Benham, Toby, Bamber, Jonathan, Siegert, Martin J., Palmer, Steven J., Dowdeswell, Julian A., Christoffersen, Poul, Young, Duncan A., Blankenship, Donald D., Greenbaum, Jamin S., Benham, Toby, Bamber, Jonathan, Siegert, Martin J. |
| author_sort | palmer, steven j. |
| container_issue | 23 |
| container_start_page | 6154 |
| container_title | Geophysical Research Letters |
| container_volume | 40 |
| description | <jats:title>Abstract</jats:title><jats:p>Subglacial lakes are an established and important component of the basal hydrological system of the Antarctic ice sheets, but none have been reported from Greenland. Here we present airborne radio echo sounder (RES) measurements that provide the first clear evidence for the existence of subglacial lakes in Greenland. Two lakes, with areas ~8 and ~10 km<jats:sup>2</jats:sup>, are found in the northwest sector of the ice sheet, ~40 km from the ice margin, and below 757 and 809 m of ice, respectively. The setting of the Greenland lakes differs from those of Antarctic subglacial lakes, being beneath relatively thin and cold ice, pointing to a fundamental difference in their nature and genesis. Possibilities that the lakes consist of either ancient saline water in a closed system or are part of a fresh, modern open hydrological system are discussed, with the latter interpretation considered more likely.</jats:p> |
| doi_str_mv | 10.1002/2013gl058383 |
| facet_avail | Online, Free |
| finc_class_facet | Geologie und Paläontologie, Geographie, Physik |
| format | ElectronicArticle |
| format_de105 | Article, E-Article |
| format_de14 | Article, E-Article |
| format_de15 | Article, E-Article |
| format_de520 | Article, E-Article |
| format_de540 | Article, E-Article |
| format_dech1 | Article, E-Article |
| format_ded117 | Article, E-Article |
| format_degla1 | E-Article |
| format_del152 | Buch |
| format_del189 | Article, E-Article |
| format_dezi4 | Article |
| format_dezwi2 | Article, E-Article |
| format_finc | Article, E-Article |
| format_nrw | Article, E-Article |
| geogr_code | not assigned |
| geogr_code_person | not assigned |
| id | ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTAwMi8yMDEzZ2wwNTgzODM |
| imprint | American Geophysical Union (AGU), 2013 |
| imprint_str_mv | American Geophysical Union (AGU), 2013 |
| institution | DE-D275, DE-Bn3, DE-Brt1, DE-D161, DE-Zwi2, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229 |
| issn | 0094-8276, 1944-8007 |
| issn_str_mv | 0094-8276, 1944-8007 |
| language | English |
| last_indexed | 2024-03-01T17:45:52.642Z |
| match_str | palmer2013greenlandsubglaciallakesdetectedbyradar |
| mega_collection | American Geophysical Union (AGU) (CrossRef) |
| physical | 6154-6159 |
| publishDate | 2013 |
| publishDateSort | 2013 |
| publisher | American Geophysical Union (AGU) |
| record_format | ai |
| recordtype | ai |
| series | Geophysical Research Letters |
| source_id | 49 |
| spelling | Palmer, Steven J. Dowdeswell, Julian A. Christoffersen, Poul Young, Duncan A. Blankenship, Donald D. Greenbaum, Jamin S. Benham, Toby Bamber, Jonathan Siegert, Martin J. 0094-8276 1944-8007 American Geophysical Union (AGU) General Earth and Planetary Sciences Geophysics http://dx.doi.org/10.1002/2013gl058383 <jats:title>Abstract</jats:title><jats:p>Subglacial lakes are an established and important component of the basal hydrological system of the Antarctic ice sheets, but none have been reported from Greenland. Here we present airborne radio echo sounder (RES) measurements that provide the first clear evidence for the existence of subglacial lakes in Greenland. Two lakes, with areas ~8 and ~10 km<jats:sup>2</jats:sup>, are found in the northwest sector of the ice sheet, ~40 km from the ice margin, and below 757 and 809 m of ice, respectively. The setting of the Greenland lakes differs from those of Antarctic subglacial lakes, being beneath relatively thin and cold ice, pointing to a fundamental difference in their nature and genesis. Possibilities that the lakes consist of either ancient saline water in a closed system or are part of a fresh, modern open hydrological system are discussed, with the latter interpretation considered more likely.</jats:p> Greenland subglacial lakes detected by radar Geophysical Research Letters |
| spellingShingle | Palmer, Steven J., Dowdeswell, Julian A., Christoffersen, Poul, Young, Duncan A., Blankenship, Donald D., Greenbaum, Jamin S., Benham, Toby, Bamber, Jonathan, Siegert, Martin J., Geophysical Research Letters, Greenland subglacial lakes detected by radar, General Earth and Planetary Sciences, Geophysics |
| title | Greenland subglacial lakes detected by radar |
| title_full | Greenland subglacial lakes detected by radar |
| title_fullStr | Greenland subglacial lakes detected by radar |
| title_full_unstemmed | Greenland subglacial lakes detected by radar |
| title_short | Greenland subglacial lakes detected by radar |
| title_sort | greenland subglacial lakes detected by radar |
| title_unstemmed | Greenland subglacial lakes detected by radar |
| topic | General Earth and Planetary Sciences, Geophysics |
| url | http://dx.doi.org/10.1002/2013gl058383 |