HRBÁČEK, Filip, Marc OLIVA, Kamil LÁSKA, Jesús RUIZ-FERNÁNDEZ, Miguel Ángel De PABLO, Gonçalo VIEIRA, Miguel RAMOS and Daniel NÝVLT. Active layer thermal regime in two climatically contrasted sites of the Antarctic Peninsula region. Cuadernos de Investigación Geográfica. Universidad de La Rioja, vol. 42, No 2, p. 457-474. ISSN 0211-6820. doi:10.18172/cig.2915. 2016.
Other formats:   BibTeX LaTeX RIS
Basic information
Original name Active layer thermal regime in two climatically contrasted sites of the Antarctic Peninsula region
Authors HRBÁČEK, Filip (203 Czech Republic, belonging to the institution), Marc OLIVA (724 Spain), Kamil LÁSKA (203 Czech Republic), Jesús RUIZ-FERNÁNDEZ (724 Spain), Miguel Ángel De PABLO (724 Spain), Gonçalo VIEIRA (620 Portugal), Miguel RAMOS (724 Spain) and Daniel NÝVLT (203 Czech Republic, belonging to the institution).
Edition Cuadernos de Investigación Geográfica, Universidad de La Rioja, 2016, 0211-6820.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10508 Physical geography
Country of publisher Spain
Confidentiality degree is not subject to a state or trade secret
WWW URL
RIV identification code RIV/00216224:14310/16:00089826
Organization unit Faculty of Science
Doi http://dx.doi.org/10.18172/cig.2915
UT WoS 000384226300009
Keywords in English Antarctic Peninsula; James Ross Island; Livingston Island; active layer; air and ground temperatures
Tags AKR
Changed by Changed by: Mgr. Michal Petr, učo 65024. Changed: 1/11/2019 13:11.
Abstract
Permafrost controls geomorphic processes in ice-free areas of the Antarctic Peninsula (AP) region. Future climate trends will promote significant changes of the active layer regime and permafrost distribution, and therefore a better characterization of present-day state is needed. With this purpose, this research focuses on Ulu Peninsula (James Ross Island) and Byers Peninsula (Livingston Island), located in the area of continuous and discontinuous permafrost in the eastern and western sides of the AP, respectively. Air and ground temperatures in as low as 80 cm below surface of the ground were monitored between January and December 2014. There is a high correlation between air temperatures on both sites (r=0.74). The mean annual temperature in Ulu Peninsula was -7.9°C, while in Byers Peninsula was -2.6°C. The lower air temperatures in Ulu Peninsula are also reflected in ground temperatures, which were between 4.9 (5 cm) and 5.9°C (75/80 cm) lower. The maximum active layer thickness observed during the study period was 52 cm in Ulu Peninsula and 85 cm in Byers Peninsula. Besides climate, soil characteristics, topography and snow cover are the main factors controlling the ground thermal regime in both areas.
Links
LM2015078, research and development projectName: Česká polární výzkumná infrastruktura (Acronym: CzechPolar2)
Investor: Ministry of Education, Youth and Sports of the CR
MUNI/A/1315/2015, interní kód MUName: Integrovaný výzkum environmentálních změn v krajinné sféře Země
Investor: Masaryk University, Category A
PrintDisplayed: 29/3/2024 17:03