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Global warming:worrying lessons from the past (palm trees at polar…
Global warming:worrying lessons from the past
palm trees at polar latitutes
suddenly spread across
paleothermometres
rise in surface water temperature
several phenomena
intense volcanic
destabilization of methane hydrates
degassing released greenhouse gas
pebbles that reveal the history of river
size of pebbles and slope of river
flow velocity and dicharge
the landscape changed completely
channel forming flood
flow 13-14 measure
river constantly change course
widen 15-160 metre
aluvium tranfered toward ocean
vegetation disappear
arid extensive gravel plains
predictions
temperature rise
warmer summer
hige eveporation
more intense floods