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Impressions from summer fieldwork in Norway
Over the last few weeks I’ve been back in Norway for projects on conservation of medieval castle ruins, as well as on provenance of medieval and more modern building stone. Here are some impressions!*...
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The Mauerzahn at Grünenfels castle ruin (CH) revisited after massive snowfall
Ten days ago winter arrived in the Swiss Alps with massive snowfall. Subsequent temperature increase and intensive rainfall led to major floods, avalanches and destruction of infrastructure such as...
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Standing at the edge of the abyss: The castle ruin at Cartatscha in...
Working as a conservation scientist I care for cultural heritage. My “problem” is that I’m also interested in the history of decay, including catastrophic events; just these phenomena that turn old...
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Alpine heritage impressions from a summer in Grisons (Graubünden, Switzerland)
Grisons – or in German Graubünden – is the largest canton in Switzerland, in the middle of the Alps, bordering Italy and Austria. It is renowned for its magnificent nature and countless medieval castle...
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Would you have liked to live here, at Kropfenstein medieval cave castle?
Switzerland is renowned for its castles and castle ruins, remnants of the feudal Middle Ages. A time when we may not have wanted to live! At least not as common people. But sometimes we may question...
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Jakten på steinbruddene til middelalderens kirke og kloster på Hovedøya ved Oslo
I et aldeles praktfullt sensommervær var jeg siste uke Riksantikvarens utskremte på jakt etter de gamle steinbruddene som ble brukt til å bygge Edmundskirken og cistercienserklosteret på Hovedøya i...
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Happy New Year! With a cavalcade of images from 2015
I wish to thank my clients, partners, colleagues and followers of my website for a fine year! The very best to you all for 2016! With a cavalcade of images, I would like to recapitulate a few 2015...
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Geoarchaeology of the famous ancient amethyst mines in Wadi el-Hudi, Egypt:...
This fall I joined the Wadi el-Hudi expedition to the famous Middle Kingdom amethyst gemstone mines in the Eastern Desert south-east of Aswan. The expedition is led by Dr. Kate Liszka of California...
View ArticleFrostforvitring på kulturminner: Bilder av et fenomen få har dokumentert og...
Mange har meninger om frostforvitring på kulturminner, på stein, murverk, puss og mørtel. Men det er få som har dokumentert fenomenet med bilder. Derfor er det mye synsing om «isens ødeleggende kraft»....
View ArticleNy rapport: En studie i saltforvitring når klimaet forandrer seg:...
I 2016 ble et forskningsprosjekt om saltforvitringen i Albanustårnet på Selja kloster startet opp. Nå foreligger sluttrapporten fra prosjektet. Det har vært utført sammen med Selje, senere Stad...
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