Saturday: various places
4 important questions on Saturday: various places
Catchment of Skogafoss is really small, which is a bit strange: lots of water (10-20,000 mm/yr) from a small area. What is happening here?
Here there's a lot of P (4,000 mm/yr) and very low ET. So easily Q of 3,000 m3/m2/yr.
Subsoil of glaciers here must be permeable, allowing infiltration of meltwater from glacier.
What is the effect of local topography on rainfall (p. 44)?
Considering we would have a flat land: spatial distribution of the rain would be gone.
Decelerating process because glaciers are melting, causing less uplift of moist air. This reduces precipitation (and thus glacier growth) will become lower.
Icecap slopes northward (Myrdalsjokull0
Why located here?
Accumulation zone: 10-15 km
It is all frozen ice, not snow! Forced downwards from
Glacier: flows, sheer mass pushes down downwards. Within glacier, ice is a liqui and flows. It can only flow if there is enough accumulation upstream.
Snowpack: does not flow
Glacier is retreating at very fast pace. End morraines indicate this (now have some vegetation on them).
Glaciers are very slow responding systems
Even if climate change would stop, glaciers would continue to retreat for quite a well.
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Glacier also retreated in the vertical, eroding the mountainsides. Now vegetation is growing on the mountainsides.
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