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/media/loftslag/VanderKeur_etal-2008-Uncertainty_IWRM-WARM.pdf
Öræfajökull Volcano: Geology and historical floods (pdf 5.43 Mb)
Pages 17–44
Matthew J. Roberts og Magnús T. Gudmundsson
Short summary
Despite the documented severity and lasting geomorphic imprint of the 1362 and 1727 jökulhlaups from Öræfajökull, there is scant information about the routing and extent of these floods. Using field observations, aerial photographs, and modern-day analogues
/hydrology/hazard-risk-assessments/glacial-outburst-floods/markarfljotsaurar-oraefajokull/
network on the north coast of Iceland. According to the number of 4000 –
5700 Trimble receivers, the total network is relatively modern. Trimble NetRS receivers
have an ethernet and serial interface, but the older models have serial interfaces only,
making data transfer more cumbersome with modern communication technology such as
GPRS and 3G. In general the receivers have been reliable. The NetRS
/media/vedurstofan/utgafa/skyrslur/2011/2011_005.pdf
probably a few meters.
An interactive 3D model of the earthquakes during the magma
intrusion. The di?rent colours represent the activity in time from
16 August to 12 September.
During the magma intrusion, intense earthquake activity related to
subsidence of the Bárðarbunga caldera was located at the caldera
rim. Over 70 earthquakes above magnitude 5 occurred in the first
four months after the onset
/media/vedurstofan/utgafa/skyrslur/2015/IMO_AnnualReport2014.pdf
glacier, and a general land rise
along the southern coast and in the countries interior (figure 1). This rise results from recent melt
of the Icelandic glaciers, which have been melting since the late 19th century. An acceleration in
land uplift is even evident in the Southeast. STL analysis of vertical GPS measurements in 1997-
2015 from Höfn in Hornafjörður show over 8 mm/yr uplift in the first
/media/vedurstofan-utgafa-2020/VI_2020_005.pdf
(2010). Impact of Climate Change on Runoff of the Lithuanian Rivers. Modern climate change models, statistical methods and hydrological modelling. LAP LAMBERT Academic Publishing. 2010. 53 p.
Roald, L.A., Hisdal, H., Beldring, S. (2007). Floods and droughts in a changing climate in Norway. The Third International Conference on Climate and Water, Helsinki, Finland, 3-6 September 2007, pp. 392-396
/ces/publications/nr/1938
scenario, precipitation increased by 10–15% from 1961–90 to
2070–99, and by 5–10% for the lower emitting scenarios (corresponding to approximately 0.5–1%
per decade).
The CE project also examined RCM results for Iceland based on the HIRHAM model (Haugen and
Iversen, 2006). These results showed enhanced warming over the interior of Iceland compared with
the coastal zone, and a tendency for enhanced
/media/ces/2010_005_.pdf
; from which
extensive data streams enter IMO and are utilized
for forecasts and research purposes.
Dissemination
The main dissemination of IMO is in the form of
forecasts and warnings; through radio, T V, direct di-
alog with stakeholders and through IMO‘s web-site
(vedur.is). Additionally, the web provides compre-
hensive real-time data on the weather, earthquakes
and deformation, as well
/media/vedurstofan/utgafa/arsskyrslur/VED_AnnualReport-2013_screen.pdf
) and Jónsdóttir (2008).
Therefore, comparison of measured and simulated water balance cannot be di-
rectly used for validation of the model-generated precipitation. According to the
non-scaled MM5 output for the period 1961–1990, mean precipitation for the
whole of Iceland was 1790 mm y−1. After scaling the precipitation, this value
was reduced to 1750mm y−1, i.e. by approximately 2%. This difference
/media/ces/Paper-Olafur-Rognvaldsson_92.pdf