Interactions between climate, vegetation and active layer in Maritime Antarctica
In the summer 2000-01, thermal monitoring of the permafrost active layer within various terrestrial sites covered by lichen, moss or grasses was undertaken at Jubany (King George Island) and Signy Island in the Maritime Antarctic. The results demonstrated the buffering effect of vegetation on ground...
Published in: | Antarctic Science |
---|---|
Main Authors: | , , , |
Other Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
-Cambridge University Press / New York:40 West 20th Street:New York, NY 10011:(800)872-7423, (212)924-3900, EMAIL: journals_subscriptions@cup.org, INTERNET: http://www.journals.cambridge.org, Fax: (212)691-3239 -Oxford: Blackwell Scientific Publications.
2006
|
Subjects: | |
Online Access: | http://hdl.handle.net/11392/494259 https://doi.org/10.1017/S095410200600037X |
id |
ftunivferrarair:oai:iris.unife.it:11392/494259 |
---|---|
record_format |
openpolar |
spelling |
ftunivferrarair:oai:iris.unife.it:11392/494259 2024-02-11T09:54:37+01:00 Interactions between climate, vegetation and active layer in Maritime Antarctica CANNONE, Nicoletta ELLIS EVANS J. C STRACHAN R GUGLIELMIN M. Cannone, Nicoletta ELLIS EVANS, J. C. Strachan, R Guglielmin, M. 2006 STAMPA http://hdl.handle.net/11392/494259 https://doi.org/10.1017/S095410200600037X eng eng -Cambridge University Press / New York:40 West 20th Street:New York, NY 10011:(800)872-7423, (212)924-3900, EMAIL: journals_subscriptions@cup.org, INTERNET: http://www.journals.cambridge.org, Fax: (212)691-3239 -Oxford: Blackwell Scientific Publications. info:eu-repo/semantics/altIdentifier/wos/WOS:000240606500005 volume:18(3) firstpage:323 lastpage:333 journal:ANTARCTIC SCIENCE http://hdl.handle.net/11392/494259 doi:10.1017/S095410200600037X info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-33747877382 ground temperature permafrost South Shetland Island South Orkney Island vegetation buffering effect info:eu-repo/semantics/article 2006 ftunivferrarair https://doi.org/10.1017/S095410200600037X 2024-01-24T17:33:41Z In the summer 2000-01, thermal monitoring of the permafrost active layer within various terrestrial sites covered by lichen, moss or grasses was undertaken at Jubany (King George Island) and Signy Island in the Maritime Antarctic. The results demonstrated the buffering effect of vegetation on ground surface temperature (GST) and the relationship between vegetation and active layer thickness. Vegetation type and coverage influenced the GST in both locations with highest variations and values in the Deschampsia and Usnea sites and the lowest variations and values in the Jubany moss site. Active layer thickness ranged from 57 cm (Jubany moss site) to 227 cm (Signy Deschampsia site). Active layer thickness data from Signy were compared with data collected at the same location four decades earlier. Using a regression equation for air temperature versus ground surface temperatures the patterns of changing air temperature over time suggest that the active layer thickness increased c. 30 cm between 1963 and 1990 and then decreased 30 cm between 1990 and 2000. The documented increased rate of warming (2°C ± 1) since 1950 for air temperatures recorded in the South Orkney Islands suggests that the overall trend of active layer thickness increase will be around 1 cm year-1. Article in Journal/Newspaper Active layer thickness Antarc* Antarctic Antarctica King George Island permafrost Signy Island South Orkney Islands Università degli Studi di Ferrara: CINECA IRIS Antarctic King George Island South Orkney Islands ENVELOPE(-45.500,-45.500,-60.583,-60.583) Signy Island ENVELOPE(-45.595,-45.595,-60.708,-60.708) Antarctic Science 18 3 323 333 |
institution |
Open Polar |
collection |
Università degli Studi di Ferrara: CINECA IRIS |
op_collection_id |
ftunivferrarair |
language |
English |
topic |
ground temperature permafrost South Shetland Island South Orkney Island vegetation buffering effect |
spellingShingle |
ground temperature permafrost South Shetland Island South Orkney Island vegetation buffering effect CANNONE, Nicoletta ELLIS EVANS J. C STRACHAN R GUGLIELMIN M. Interactions between climate, vegetation and active layer in Maritime Antarctica |
topic_facet |
ground temperature permafrost South Shetland Island South Orkney Island vegetation buffering effect |
description |
In the summer 2000-01, thermal monitoring of the permafrost active layer within various terrestrial sites covered by lichen, moss or grasses was undertaken at Jubany (King George Island) and Signy Island in the Maritime Antarctic. The results demonstrated the buffering effect of vegetation on ground surface temperature (GST) and the relationship between vegetation and active layer thickness. Vegetation type and coverage influenced the GST in both locations with highest variations and values in the Deschampsia and Usnea sites and the lowest variations and values in the Jubany moss site. Active layer thickness ranged from 57 cm (Jubany moss site) to 227 cm (Signy Deschampsia site). Active layer thickness data from Signy were compared with data collected at the same location four decades earlier. Using a regression equation for air temperature versus ground surface temperatures the patterns of changing air temperature over time suggest that the active layer thickness increased c. 30 cm between 1963 and 1990 and then decreased 30 cm between 1990 and 2000. The documented increased rate of warming (2°C ± 1) since 1950 for air temperatures recorded in the South Orkney Islands suggests that the overall trend of active layer thickness increase will be around 1 cm year-1. |
author2 |
Cannone, Nicoletta ELLIS EVANS, J. C. Strachan, R Guglielmin, M. |
format |
Article in Journal/Newspaper |
author |
CANNONE, Nicoletta ELLIS EVANS J. C STRACHAN R GUGLIELMIN M. |
author_facet |
CANNONE, Nicoletta ELLIS EVANS J. C STRACHAN R GUGLIELMIN M. |
author_sort |
CANNONE, Nicoletta |
title |
Interactions between climate, vegetation and active layer in Maritime Antarctica |
title_short |
Interactions between climate, vegetation and active layer in Maritime Antarctica |
title_full |
Interactions between climate, vegetation and active layer in Maritime Antarctica |
title_fullStr |
Interactions between climate, vegetation and active layer in Maritime Antarctica |
title_full_unstemmed |
Interactions between climate, vegetation and active layer in Maritime Antarctica |
title_sort |
interactions between climate, vegetation and active layer in maritime antarctica |
publisher |
-Cambridge University Press / New York:40 West 20th Street:New York, NY 10011:(800)872-7423, (212)924-3900, EMAIL: journals_subscriptions@cup.org, INTERNET: http://www.journals.cambridge.org, Fax: (212)691-3239 -Oxford: Blackwell Scientific Publications. |
publishDate |
2006 |
url |
http://hdl.handle.net/11392/494259 https://doi.org/10.1017/S095410200600037X |
long_lat |
ENVELOPE(-45.500,-45.500,-60.583,-60.583) ENVELOPE(-45.595,-45.595,-60.708,-60.708) |
geographic |
Antarctic King George Island South Orkney Islands Signy Island |
geographic_facet |
Antarctic King George Island South Orkney Islands Signy Island |
genre |
Active layer thickness Antarc* Antarctic Antarctica King George Island permafrost Signy Island South Orkney Islands |
genre_facet |
Active layer thickness Antarc* Antarctic Antarctica King George Island permafrost Signy Island South Orkney Islands |
op_relation |
info:eu-repo/semantics/altIdentifier/wos/WOS:000240606500005 volume:18(3) firstpage:323 lastpage:333 journal:ANTARCTIC SCIENCE http://hdl.handle.net/11392/494259 doi:10.1017/S095410200600037X info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-33747877382 |
op_doi |
https://doi.org/10.1017/S095410200600037X |
container_title |
Antarctic Science |
container_volume |
18 |
container_issue |
3 |
container_start_page |
323 |
op_container_end_page |
333 |
_version_ |
1790596754535612416 |