GeoLog

Main Divide

Imaggeo on Mondays: Nor’Wester in the Southern Alps of New Zealand

Laura Roberts-Artal July 24, 2017

Stephan Winkler’s 2017 Imaggeo Photo Contest finalist photo showcases an unusual weather phenomenon… The image shows a typical weather situation in the Southern Alps of New Zealand with a moist, westerly airflow pushing over the Main Divide [which separates the water catchments of the more heavily populated eastern side of the island from those on …[Read More]

Imaggeo on Mondays: Foehn clouds

Laura Roberts-Artal May 11, 2015

This week’s post is brought to you by Stefan Winkler, a Senior Lecturer in Quaternary Geology & Palaeoclimatology, who explains how the mountain tops of the Southern Alps become decorated by beautiful blanket-like cloud formations. The Sothern Alps of New Zealand are a geoscientifically dynamic environment in all aspects. They are arguably one of the …[Read More]