Visitors 18
Modified 21-May-10
Created 21-May-10
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It was mostly wet, but that didn't stop us enjoying the surrounds and scenery.
Came across some interesting info about this area, I like to share.
The ground in South-Limburg is not as stable as had been thought. Satellite observations have shown greater localised rises than expected. This is one of the findings announced by Prof. Ramon Hanssen in his inaugural address at TU Delft in the Netherlands on Wednesday 3 September.
The extraction of coal led to the ground in the southern province of South-Limburg subsiding considerably until the 1970s. ‘Satellite technology has, however, demonstrated that the ground is rising again fast, up to about 10 centimetres in the last 15 years, probably due to rising ground water in the mines. It is worth noting that this rise is not taking place simultaneously across the entire area; it appears to be spreading from the eastern mining area towards the west.’ Hanssen believes that hazardous situations may arise close to fractures, especially if, as is the case near the city of Geleen, there are industrial activities in the area. In other cities, such as Heerlen, Brunssum and Kerkrade, too, large gradients have been observed in the ground shifts which could affect infrastructure and buildings.
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