Jökull - 01.12.1999, Blaðsíða 123

Glacier:
* * *■ *
* * *
small ice crevasses
walls of the main glacier crevasses
patches of old snow
Forms connected with the
accumulative activity of the glacier:
supraglacial ablation moraine
mounds of ablation moraine
hyaloclastite plateaus with glacigenic
deposits: a - older periglacial, b - younger
oldest end moraines (I)
older end moraines (II)
younger end moraines (III)
crests of end moraines
youngest ice-core moraine ridges
flat ground moraine
undulat ground moraine
hummocky ground moraine
fluted ground moraine
erratics
Forms connected with the
transformational activity of the glacier:
DmnDqnja)
r 1 1 TJ j L i
L i | |
"overridden" end moraine ridges
drumlinized ground moraine
drumlinized "domke-like”
ground moraine
drumlins
Forms connected with
accumulation by meltwater:
oldest outwash plain
older outwash plain, higher
older outwash plain, lower
younger outwash plain
Á ,,í> 'A
|g||f|s||||' recent outwash plain
older alluvial fans
recent alluvial fans
kames
kame terraces
eskers
outwash river deltas
- - - o n ð ö
ð’ð o o~o o o

proglacial dammed lake bottoms
Forms connected with the
erosive activity of the meltwater:
erosional dissections
of glacier snout
m 500

main meltwater outflows
meltwater erosional plains
dry channels (main)
dry channels (secondary)
river channels
dry waterfalls
escarpments and edges:
a - clear, b - inclear
Forms created during
degradaticn:
o o o o o
o o o o o o
o o o o o
b o q".o ,q q1
ooQooO 00
O ° o o c
°o.<b„ o.o
pitted outwash
rimmed kettles from
the 1918 jökulhlaup
Nival forms:
nivation-fluvial valleys
.m.. /úyx
>//■ underslope colluvial cones
Forms of eoiian origin:
eolian sand plains
Volcanic forms:

rá Ji ^
v. _il
structural steps (volcanic
bedrock) on outwash plains
lava remnants
on outwash plains
Denudationai forms:
oúf £‘°OoDof
volcanic periglacial
highland plateaus
periglacial plateau
with denudational cover
denudational-periglacial
mountain outcrop
denudational-periglacial
outcrop with glacigenic deposits
crests and rock walls
slopes of volcanic massifs
corrasion basins

corrasion troughs
i'íii' $jí\ ’íS talus cones
Other signs used on
the geomorphological map:
lakes
-1955
100 elevation in m a.s.l.
building
road
extent of glacier in 1955
\Fig.4
location map
showing in fig. 4
location of the
profil in fig. 7
2 km
=1
GEOMORPHOLOGICAL MAP
OF THE FOREFIELD OF HÖFDABREKKUJOKULL
Edward Wisniewski, Leon Andrzejewski, Antoni Olszewski, Miroslaw Karasiewicz, Piotr Weckwerth
Institute of Geography, Nicholaus Copernicus University, ul. Fredry 6 8,8~-100 Torun, POLAND

.............F..............
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)>.■ • • ■ •11 /7-...........í • •)) m.
u;/- ••••/••• •’•'.■.