Construction of geological cross sections in QGIS
The Earth’s surface forms the interface between our human view of the world and the geology preserved beneath our feet. Variations in this surface are depicted on maps as contoured elevation data or graduated raster images (with colour scales referenced to elevation magnitude). These elevation models can be combined with geological maps to create a […]
New Zealand’s biggest earthquake
On the back of the Geosciences 2015 Conference held in Wellington, New Zealand, Prof. Tim Little from Victoria University of Wellington led a field trip to visit exposures of the Wairarapa Fault, an active, strike-slip fault in the southern North Island. This fault is attributed to the infamous magnitude 8.2 Wairarapa Earthquake of 1855 AD and was the largest seismic […]
Relating Auckland’s volcanoes to its faults
As a kid growing up on an island in the Hauraki Gulf I was acutely aware of the complex relationship between land and sea. Exploring new, and often crumbling headlands to jump off, looking for privacy in enclosed beaches, trekking miles to find new fishing spots that wouldn’t snag all our gear, or chasing waves by […]
Sea-level rise movie hack using QGIS
I’m sure many of us have been strolling along the waters edge somewhere and imagined what will happen when sea level rise really begins to impact our coastal regions. What would happen to your favorite beach? How would that flash house behind the dunes be affected? Should we move further inland or build a house on […]
