Fróðskaparrit - 01.01.1998, Page 325
VEÐURLAGSELVDAR JØKULBROYTINGAR í TJÚGUNDU ØLD
Á SUÐURLANDINUM í ÍSLANDI
331
(7-9 years), the scale of transgressive ice-
front movement is of a lower order than that
of regression. These observations can be
supported by evidence from a nearby valley
glacier and are in general agreement with
similar twentieth century studies (Rogstad,
1951; Nesje, 1989; Nesje et al., 1995),
making these fmdings of statistical signifi-
cance.
Acknowledgements
This paper is based on fieldwork carried out whilst on
the Liverpool University Iceland Expedition 1996. I
would like to thank Chris Hunt and Dr. Geoff Thomas
for organising the expedition. I am also indebted to Dr.
Andrew Dugmore and Professor David Sugden for com-
ments and advice on the manuscript.
References
Anderson, J.L. and Sollid, J.L. 1971. Glacial chronolo-
gy and glacial geomorphology in the marginal zones
of the glaciers Mitdalsbreen and Nigardsbreen,
south Norway. Norsk Geografisk Tidsskrift, 25: 1-
38.
Benedict, J.B. 1967. Recent glacial history of an alpine
area in the Colorado Front Range, USA. I: Estab-
lishing a new lichen-growth curve. Journal of
Glaciology, 6: 817-832.
Beschel, R. 1950. Flechten als Alstermasstab rezenter
Flachten. Zeitschrift fur Gletscherkunde und Gla-
zialgeologie, 1: 303-309.
Beschel, R. 1961. Dating rock surfaces by lichen growth
and its application to glaciology and physiography
(lichenometry). In: G.O. Raasch (ed.) Geology ofthe
Arctic, vol.2: 1044-1062.
Bickerton, R.W. and Matthews, J.A. 1993. ‘Little Ice
Age’ variations of outlet glaciers from the Jostedals-
breen ice-cap, southern Norway: a regional licheno-
metric-dating study of ice marginal moraine se-
quences and their climatic significance. Journal of
Quatemary Science, 8: 45-80.
Bjorck, S., Rundgren, M., Ingolfsson, O., and Funder, S.
1997. The Preboreal oscillation around the Nordic
Seas: terrestrial and lacustrine responses. Journal of
Quatemary Science, 12 (6): 455-465.
Bjornsson, H. 1971. Baegisarjokull, North Iceland. Re-
sults of glaciological investigations 1967-1968: Part
I. Mass balance and general meteorology. Jdkull,
21: 1-26.
Bjomsson, H. 1979. Glaciers in Iceland. Jokull, 29: 74-
80.
Boyle, E.A. and Keigwin, L.D. 1987. North Atlantic
thermohaline circulation during the past 20,000
years linked to high latitude surface temperatures.
Nature, 330: 35-40.
Broecker, W.S., Andree, M., Wolfli, M., Oeschger, H.,
Bonani, G., Kennett, J., and Peteet, D. 1988. The
chronology of the last deglaciation: implications to
the cause of the Younger Dryas event. Paleoceano-
graphy, 3: 1-19.
Burrows, C.J. and Orwin, J. 1971. Studies on some
glacial moraines in New Zealand. 1.- The establish-
ment of lichen growth curves in the Mount Cook
area. New Zealand Journal ofScience, 14: 327-335.
Calkin, P.E. and Ellis, J.M. 1980. A lichenometric dat-
ing curve and its applications to Holocene glacier
studies in the Central Brooks Range, Alaska. Arctic
and Alpine Research, 12:245-264.
Caseldine, C.J. 1991. Lichenometric dating, lichen
population studies and Holocene glacial history in
Trollaskagi, northern Iceland. In: Maizels, J.K. and
Caseldine, C.J. (eds.). Environmental change in lce-
land: past and present. Dordrecht: 219-233.
Eythorsson, J. 1935. On the variation of glaciers in Ice-
land: some studies made in 1931. Geografiska An-
naler, 17: 121-137.
Eythorsson, J. 1963. Variations of Icelandic Glaciers,
1931-1960. Jokull, 13: 31-33.
Eythorsson, J. 1964,1965,1966. Jðklabreytingar. Jokull,
14,15,16.
Eythorsson, J. and Sigtryggsson, H. 1971. The Zoology
oflceland, Reykjavik.
Finsterwalder, S. and Schunck, H. 1887. Der Sulden-
femer. Zeitschrift des Deutschen und Oesterreich-
ischen Alpenvereins, 18: 72-89.
Gordon, J.E. 1981. Glacier margin fluctuations during
the 19th and 20th centuries in the Ikamiut Kangerdlu-
arssuat area, west Greenland. Arctic andAlpine Re-
search, 13, 1: 47-62.
Gordon, J.E. and Sharp, M. 1983. Lichenometry in dat-
ing recent glacial landforms and deposits, southeast
Iceland. Boreas, 12: 191-200.
Grove, J.M. 1988. The Little lceAge. London: Methuen.
Gmdd, H. 1990. Small glaciers as sensitive indicators of
climatic fluctuations. Geograflska Annaler, 72A, 1:
119-123.
Hald, M. and Aspeli, R. 1997. Rapid climatic shifts of