Riukojietna is located on the Norwegian border (68°05'N, 18°04'E) and is the only ice cap-type glacier in Sweden. Its areal extent is c. 4.6 km2 and its main tongue is flowing towards east. The glacier is thin and its areal extent has decreased significantly during the 20th century. Between 1960 and 1978 its mass and its extension decreased 15%. The glacier is described by Schytt (1963) and Rosquist and Østrem (1989). Its front position has been mapped since 1963. Its bed topography was mapped in 1986 by Holmlund (Tarfala 1986). Mass balance is measured on this glacier since 1986 when Dr. Gunhild Rosqvist started measurements for the purpose of a lake sediment study focusing on Holocene glacier variations. The glacier has also been cored for paleoclimatic information by Dr. Veijo Pohjola. Mass balance measurements are reported in the Tarfala Research Station Annual Report and on this web site (click here to go to the download site)

Two maps were constructed by Østrem showing its extension 1960 and 1978 (Rosquist och Østrem 1989). Until about 1975 the glacier tongue ended in a proglacial lake with an ice cliff. This lower part was decoupled from the rest of the glacier and was totally melted off at about 1980. The present front is situated about 200 metres distant and about 80 metres higher than the lake.


Holmlund, P., 1993: Surveys of Post Little Ice Age glacier fluctuations in Northern Sweden. Zeitschrift für Gletscherkunde und Glazialgeologie 29 (1): 1-13.

Holmlund, P., 1995: Mass balance studies in northern Sweden. Zeitschrift für Gletscherkunde und Glazialgeologie, 31: 105-114.

Holmlund, P., 1996: Radar measurements of annual snow accumulation rates. Zeitschrift für Gletscherkunde und Glazialgeologie 32:193-196.

Rosquist, G. and Østrem, G., 1989: Sensitivity of a small ice cap to climatic fluctuations. Geografiska Annaler, 71A (1-2): 99-104.

Schytt, V., Jonsson, S. and Cederstrand, P., 1963: Notes on glaciological activities in Kebnekaise, Sweden-1963. Geografiska Annaler 45 (4): 292-302.


Below are three pictures taken during a visit on xx July 2003. This year was particularly bad for the glaciers because of the record heat in July. Riukojietna does not have a significant AAR, the only snow left is a wind-drifted patch located just down-stream of the firn line on the active part of the glacier (flowing towards the lake in the foreground).

 

 
Photo: Peter Jansson
Photo: Peter Jansson
 

 

 

 
Photo: Peter Jansson
Photo: Peter Jansson
 

 

 

 
Photo: Peter Jansson
Photo: Peter Jansson