Jökull - 01.12.1983, Blaðsíða 114

GUUFURÁRJÖKULL
JOINT UNIVERSITIES
(EXETER & ST. ANDREWS)
NORTH ICELAND EXPEDITION
1981
V Exeter University Stations
A B.S.E.S. Stations 1977
v Sawtry Village College
Markers
+ Leeds University Markers
•—Movement between 1979
& 1981
All hoights are exprossed in metres
and were surveyod in 1979 (off the ice)
and 1981 (on the ice)
111 lce Margin 1981
------Ice Margin 1979
------Ice Margin 1977
------Ice Margin 1946
------ Moraine Ridges
(see 1979 map for numbers)
------River (position not
resurveyed)
(S) Surveyed lichen sites
giving largest lichen (upper)
and mean of 5 largest
lichens (lower) in millimetres
Estimated position of lichen
site
All contours are taken from the B.S.E.S.
1977 map and have been modified
using 1979 & 1981 surveyed heights
The outer grid is also derived
from the 1977 map
N.B. Station heights on the ice are not ice
surface heights but refer to the station
bench mark
lce contours are based on ice surface heights
1 i
/
V 8
0 1 100 200 I METRES
Survay Pwty: Dr. C.J. CMotdin*. D.A. Barham, N. Gardnar.
P. Hookhara RA.John*on. K.J. Psdghnm and A.C. Tippar.
July 1981
Fig. 1. Map of the
margin of Gljúfuráijök-
ullin 1981 including
the principal morainic
ridges and lichen sites.
Mynd 1. Jabar Gljúfur-
átjökuls 1981, helstujök-
ulóldur og staðir þar sem
fléttur voru kannaðar.
with the crevassed eastern and western edges rising
above the level of the centre, often hindering inter-
visibility and making the establishment of survey
stations difficult. Several of the stations on the ice
which were either estabhshed or resurveyed and
reconstructed in 1979 (Caseldine and Cullingford
1981, see Table 1 and Table 2) were relocat-
ed in 1981 but many had disappeared, presum-
112 JÖKULL 33. ÁR