Jökull - 01.12.2003, Page 78

Magnús Tumi Guðmundsson
Kvöldverður í Jökulheimum í leiðangurslok. – Dinner in Jökulheimar. Ljósmynd/Photo. Sóley Stefánsdóttir.
yngri, Herdís Schopka, Hlíf Ólafsdóttir, Hannes Har-
aldsson, Kristín Vogfjörð, Magnús Tumi Guðmunds-
son, Magnús Hallgrímsson, Sjöfn Sigsteinsdóttir, Sól-
ey Stefánsdóttir, Sólveig Kristjánsdóttir, Valgerður
Jóhannsdóttir, Þorsteinn Jónsson, Þóra Karlsdóttir og
Þórdís Högnadóttir.
Hluta tímans voru Anna Líndal, Ingibjörg Árnadóttir,
Jósef Hólmjárn, Pétur Þorleifsson, Sigurborg Helga-
dóttir og Sveinbjörn Steinþórsson.
Summary
The 2003 spring expedition of the Iceland Glacio-
logical Society took place in the first week of Ju-
ne. The number of participants was 26, whereof 6
stayed only part of the time. The route of the expedi-
tion was through Jökulheimar and Tungnaárjökull to
Grímsvötn, where the hut at Eystri Svíahnúkur was
used as a base. The water level at Grímsvötn was
measured, and the winter balance in Grímsvötn and
at few other places obtained by snow coring. Vari-
ous measurements of ice surface elevation changes
and ice flowweremade using submeter DGPS, mainly
for the purpose of monitoring changes in geothermal
activity in Grímsvötn, Gjálp and Skaftárkatlar. Auto-
matic weather stations were set up and the inflation
of the Grímsvötn caldera monitored by precise GPS
geodetic surveying. The small geothermally sustained
lake Gengissig in Kverkfjöll at the northern edge
of Vatnajökull was surveyed, its depth and volume
determined and water temperature measured. The
first spring expedition of the Glaciological Society to
Vatnajökull took place in June 1953 and these exped-
itions have been continued on an annual basis ever
since. The fiftieth anniversary was therefore celebra-
ted at Jökulheimar on the 7th of June.
76 JÖKULL No. 53, 2003