Dendrogeomorphology review and new techniques of tree ring dating

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ADLAM* Characteristic of the landscape around Aix-en-Provence in southern France are sites which exhibit the effects of gullying, frequently upon vegetated hill slopes but also occasionally upon cultivated, agricultural land.

In some cases, bare rock surfaces indicate that gullying activity actively prevents vegetative re-colonisation. Marc Jaumegarde, some 10 km east of Aix-en-Provence, the Ginestelle stream has carved a strike vale in the folded rocks of the Mt.

Another sharp elevation drop occurs upstream of the still-standing abutments of the old Burr Bridge (a.k.a.

Scotia Bridge after reconstruction) where maximum ice scar elevations increases from ~226 feet to ~230 feet.

Ste Victoire area to the east and north of the mountain immortalised by the paintings of Cezanne.

In this west-to-east aligned vale, both valley side slopes show evidence of past and present gullying activity.

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The session was convened by Markus Stoffel and Michelle Bollschweiler.

ABSTRACT The January 19-20, 1996 flood in eastern New York resulted from unseasonably warm temperatures, heavy rains, and rapid snowmelt.

The thaw-induced breakup flood was characterized by severe ice jams along the lower reaches of the Mohawk River. Geological Survey monitoring station at Cohoes (~20 km downstream), we interpret two times when ice dams formed with a clear downstream decrease in discharge.

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