Thermal characterization of the active layer at the Limnopolar Lake CALM-S site on Byers Peninsula (Livingston Island), Antarctica
The Limnopolar Lake site (A25), of the Circumpolar Active Layer Monitoring-South network (CALM-S), is located on Byers Peninsula, where the active layer thickness is monitored systematically (by mechanical probing during the thawing season and by temperature devices continuously since 2009). Air, su...
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ftdoajarticles:oai:doaj.org/article:54bab9e3322f4d9995088b56db2f0695 2023-05-15T13:02:40+02:00 Thermal characterization of the active layer at the Limnopolar Lake CALM-S site on Byers Peninsula (Livingston Island), Antarctica M. A. de Pablo M. Ramos A. Molina 2014-07-01T00:00:00Z https://doi.org/10.5194/se-5-721-2014 https://doaj.org/article/54bab9e3322f4d9995088b56db2f0695 EN eng Copernicus Publications http://www.solid-earth.net/5/721/2014/se-5-721-2014.pdf https://doaj.org/toc/1869-9510 https://doaj.org/toc/1869-9529 1869-9510 1869-9529 doi:10.5194/se-5-721-2014 https://doaj.org/article/54bab9e3322f4d9995088b56db2f0695 Solid Earth, Vol 5, Iss 2, Pp 721-739 (2014) Geology QE1-996.5 Stratigraphy QE640-699 article 2014 ftdoajarticles https://doi.org/10.5194/se-5-721-2014 2022-12-31T01:03:20Z The Limnopolar Lake site (A25), of the Circumpolar Active Layer Monitoring-South network (CALM-S), is located on Byers Peninsula, where the active layer thickness is monitored systematically (by mechanical probing during the thawing season and by temperature devices continuously since 2009). Air, surface, snow and ground temperature devices have been installed to monitor ground thermal behavior, which is presented and characterized here. We use the air and ground mean daily temperature values to define the following parameters: maximum, minimum and mean temperatures, the zero annual thermal amplitude, and the depth and position of the top of the permafrost table. The freezing and thawing seasons (defining their starting dates as well as their length) and the existence of zero curtain periods have also been established. We also derive apparent thermal diffusivity and plot thermograms to study the thermal behavior of the ground at different depths and seasons. After this complete thermal characterization of the active layer, we propose the potential existence of a permafrost table at approximately 130 cm in depth as well as a former transitional layer above it, and discuss the role of water in connection with the thermal behavior of the ground during the study period. Article in Journal/Newspaper Active layer monitoring Active layer thickness Antarc* Antarctica Livingston Island permafrost Directory of Open Access Journals: DOAJ Articles Livingston Island ENVELOPE(-60.500,-60.500,-62.600,-62.600) Byers ENVELOPE(-60.283,-60.283,-63.900,-63.900) Byers peninsula ENVELOPE(-61.066,-61.066,-62.633,-62.633) Limnopolar Lake ENVELOPE(-61.098,-61.098,-62.633,-62.633) Solid Earth 5 2 721 739 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Geology QE1-996.5 Stratigraphy QE640-699 |
spellingShingle |
Geology QE1-996.5 Stratigraphy QE640-699 M. A. de Pablo M. Ramos A. Molina Thermal characterization of the active layer at the Limnopolar Lake CALM-S site on Byers Peninsula (Livingston Island), Antarctica |
topic_facet |
Geology QE1-996.5 Stratigraphy QE640-699 |
description |
The Limnopolar Lake site (A25), of the Circumpolar Active Layer Monitoring-South network (CALM-S), is located on Byers Peninsula, where the active layer thickness is monitored systematically (by mechanical probing during the thawing season and by temperature devices continuously since 2009). Air, surface, snow and ground temperature devices have been installed to monitor ground thermal behavior, which is presented and characterized here. We use the air and ground mean daily temperature values to define the following parameters: maximum, minimum and mean temperatures, the zero annual thermal amplitude, and the depth and position of the top of the permafrost table. The freezing and thawing seasons (defining their starting dates as well as their length) and the existence of zero curtain periods have also been established. We also derive apparent thermal diffusivity and plot thermograms to study the thermal behavior of the ground at different depths and seasons. After this complete thermal characterization of the active layer, we propose the potential existence of a permafrost table at approximately 130 cm in depth as well as a former transitional layer above it, and discuss the role of water in connection with the thermal behavior of the ground during the study period. |
format |
Article in Journal/Newspaper |
author |
M. A. de Pablo M. Ramos A. Molina |
author_facet |
M. A. de Pablo M. Ramos A. Molina |
author_sort |
M. A. de Pablo |
title |
Thermal characterization of the active layer at the Limnopolar Lake CALM-S site on Byers Peninsula (Livingston Island), Antarctica |
title_short |
Thermal characterization of the active layer at the Limnopolar Lake CALM-S site on Byers Peninsula (Livingston Island), Antarctica |
title_full |
Thermal characterization of the active layer at the Limnopolar Lake CALM-S site on Byers Peninsula (Livingston Island), Antarctica |
title_fullStr |
Thermal characterization of the active layer at the Limnopolar Lake CALM-S site on Byers Peninsula (Livingston Island), Antarctica |
title_full_unstemmed |
Thermal characterization of the active layer at the Limnopolar Lake CALM-S site on Byers Peninsula (Livingston Island), Antarctica |
title_sort |
thermal characterization of the active layer at the limnopolar lake calm-s site on byers peninsula (livingston island), antarctica |
publisher |
Copernicus Publications |
publishDate |
2014 |
url |
https://doi.org/10.5194/se-5-721-2014 https://doaj.org/article/54bab9e3322f4d9995088b56db2f0695 |
long_lat |
ENVELOPE(-60.500,-60.500,-62.600,-62.600) ENVELOPE(-60.283,-60.283,-63.900,-63.900) ENVELOPE(-61.066,-61.066,-62.633,-62.633) ENVELOPE(-61.098,-61.098,-62.633,-62.633) |
geographic |
Livingston Island Byers Byers peninsula Limnopolar Lake |
geographic_facet |
Livingston Island Byers Byers peninsula Limnopolar Lake |
genre |
Active layer monitoring Active layer thickness Antarc* Antarctica Livingston Island permafrost |
genre_facet |
Active layer monitoring Active layer thickness Antarc* Antarctica Livingston Island permafrost |
op_source |
Solid Earth, Vol 5, Iss 2, Pp 721-739 (2014) |
op_relation |
http://www.solid-earth.net/5/721/2014/se-5-721-2014.pdf https://doaj.org/toc/1869-9510 https://doaj.org/toc/1869-9529 1869-9510 1869-9529 doi:10.5194/se-5-721-2014 https://doaj.org/article/54bab9e3322f4d9995088b56db2f0695 |
op_doi |
https://doi.org/10.5194/se-5-721-2014 |
container_title |
Solid Earth |
container_volume |
5 |
container_issue |
2 |
container_start_page |
721 |
op_container_end_page |
739 |
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1766318905810223104 |