Wednesday, March 25, 2015

Just a couple-three weeks after the radar measurements were in place, began the center to register


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Geologists Ingrid Skrede (left) and Lene Kristensen now included with the avalanche-prone party in the mountain man continuously - from hour to hour. The curve on the computer screen tells the powerful escalation in movements from last weekend - October 18th - until today.
This equipment is used to measure physical mountain movements, but the movements of the mountain man is recorded by radar measurements. For CEO Kjell Jogerud in Åknes / Tafjordfjellene Preparedness - the national center for avalanches monitoring - is what is now happening anyway historically. - It is the first time we have notified an avalanche in Norway in this way, he says
- We planned monitoring of this party, but the timing was a bit random. iob The measurements could have been in place first after the winter, says CEO Kjell Jogerud in Åknes / Tafjordfjellene Preparedness, the National Center for avalanches monitoring who is responsible for the monitoring of man.
Just a couple-three weeks after the radar measurements were in place, began the center to register an accelerating movement in the measured fractures. The increased further when the rain came.
The increased readiness level has now led to the center update hourly measures iob - against iob former every four hours. But geologists are still very cautious to say anything certain about when the slide can go.
I do not think we will be making a prediction. What we see is that it is very controlled by rainfall. But we now follows even from hour to hour, says Lene Kristensen and colleague Ingrid Skrede.
At midday Monday extended the upper cracks is 1.4 millimeters, while the central measurement point had expanded 0.4 millimeters. The lower measuring point was unchanged. But it is the pace of expansion has resulted in the current level of preparedness.
The national avalanche monitoring center monitors currently four susceptible to landslides mountain ranges - three in Møre og Romsdal and one in Troms - to predict when landslides can go these places. The mountain man in Romsdal is one of these. The poll was put in place in 2009, but in terms of monitoring of the large landslide - which geologists fear could result in a 20 meter high dam will lie across the valley.
- This is on the outside of the large landslide is expected from man. Imagine a sheet of A4 paper as the large landslide. It now can breed out, like a dime in comparison, explains Kjell Jogerud.
At best, the rubble not do any harm, at worst they can destroy a farm and railway line. The big man - when the landslide had to come - has the potential iob to do far more damage.
Also there is movement, but far less. Geologists reckon that one percent risk that the party should iob loosen as the situation is today. There, as in the smaller party, the increasing speed burst extensions that will indicate that something might happen.
- It is relatively small movement in the large high-risk party and movement which has not been affected by what has happened in this small mountain party. The body portion extends for three to four centimeters a year, informs Jogerud. Historically avalanche warnings
- As a rule commuter readiness level between green and blue, without people noticing them. Here escalated it to first yellow emergency, then to red emergency, says Kjell Jogerud. iob
Chief Geologist Lars Harald Blikra said at a news conference Monday that a landslide could come within iob the next day. That led to the area below the mountain is blocked off.
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