obruchev glacier is located in the polar urals. it is a typical temperate cirque glacier and it...
TRANSCRIPT
Case study of a glacial Budget – the Obruchev Cirque Glacier, the
Ural mountains
Obruchev Glacier is located in the Polar Urals. It is a typical temperate cirque glacier and it covers an area of 0.3 km2. The glacier is 0.9 km long. The altitude is ranging from 397 m (in 1981) to 650 m a.s.l. The mean ELA is located at 520 m a.s.l. The glacier has a maximum depth of 120 m. The velocity of the ice movement is up to 6 m per year. Between 1960 and 1981 Institute of Geography of USSR Academy of Sciences (now the Institute of Geography of the Russian Academy of Sciences) carried out complex glaciological investigations every year semi-stationary (summer). Most of them were early measurements of winter and net (at the end of the ablation season) mass balance using poles and snow measuring probes.
Obruchev Glacier (67°38'N, 65°48'E)
Complete the data exercise on the Obruchev Glacier
-200 -150 -100 -50 0 50 100 150 200 250400
450
500
550
600f(x) = − 0.363373762393363 x + 524.571201732476R² = 0.814042476737649
Chart comparing the height of the equilibrium line and annual balance,
for the Obruchev Glacier, Russia
Net Balance (gr/cm2)Heig
ht
of
eq
uilib
riu
m lin
e
(m)
660-650
650-600
600-550
550-500
500-450
450-400
400-390
-150
-100
-50
0
50
100
150
200
Net balance for the Obruchev glacier at different heights
Height (m)
Net
Bala
nce
Plot the losses and gains onto your diagram of the glacier
660-650
650-600
600-550
550-500
500-450
450-400
400-390
-200
-100
0
100
200
Net balance for the Obruchev glacier at dif-ferent heights
Height (m)
Net
Bala
nce
What have we discovered this lesson?