not intended to
monitor changes of “smaller” glaciers such as the glaciers in Iceland. Many
factors have to be taken into consideration and several corrections applied in
order to measure mass changes of small glaciers, including the effect of
vertical crustal movements induced by changes in glacier loads over the last
century on the gravity field (so-called glacial isostatic adjustment or GIA/about-imo/news/the-icelandic-glaciers-weighed-from-space
fault zone in the Kuusamo area, the gradient seems to
be associated with a zone of increased seismicity. In these areas, the crustal thickness gradients are
optimally oriented for reactivation. Because the spatial distribution of the registered earthquakes
exhibits little to no correlation with the an existing ellipsoidal rebound model or Glacial Isostatic
Adjustment (GIA/media/norsem/norsem_korja.pdf
with it:
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clouds. They are placed on top of a base map. The satellite images are taken from satellites belonging to the European Organisation for the Exploitation of Meteorological Satellites EUMETSAT and the National Oceanic and Atmospheric Administration NOAA. Most of the images are combined from two satellites
/weather/observations/satellites/
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The satellite images are thermal images which show clouds. They are placed on top of a base map. The satellite images are taken from satellites
/weather/shipping/satellites/
A new banner on our web-site
2.10.2009
For easy promotion of projects, conferences and lectures, a new banner will appear intermittently on our web-site, at the top of each page.
The banner is a link which takes the reader directly to relevant information
/about-imo/news/nr/1724
This graph shows the ice-surface lowering (subsidence) of the eastern Skaftá ice-cauldron in Vatnajökull ice cap in October 2015. Vertical displacement (m) was monitored by near real time presentation of data from a GPS station, mounted in the middle of the cauldron. The maximum elevation above sea level, top left (hæð), refers to the zero value on the y-axis; while such value top right
/hydrology/research/skafta-cauldron/
of the Eyjafjallajökull ice cap.
Seismic activity in Eyjafjallajökull has been intensive for the past three weeks and most of the earthquakes have been located between 7 and 10 km depth.
On March 19th a seismic swarm began east of the top crater, originating between 4 and 7 km depth. The activity migrated eastwards and towards the surface on Saturday, March 20th.
At 22:30 GMT a slightly increased
/about-imo/news/nr/1845