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The invaluable use of drone imagery as a tool in landslide assessments

Keywords  Drone, landslide, cyclone, global, imagery Abstract The interpretation of aerial photographs has long been a valuable tool in terrain evaluation and identification of geomorphological features at a site. Publicly available aerial images for some parts of New Zealand date back to 1936 (such as…

Proposed Slope Stability Guidance Modules

An Update Introduction  MBIE and the New Zealand Geotechnical Society have produced six Earthquake Geotechnical Engineering Guideline Modules covering a range of geotechnical topics. However, these do not specifically address slope stability. In 2019 the NZGS management committee agreed to start work on a seventh…

Resilience based design in geotechnical engineering

Resilience based design in geotechnical engineering

  ABSTRACT Resilience of our built environment is important for our societies faced with a range of natural hazards, anthropogenic hazards and climate change. This requires a fundamental rethink of our traditional established and codified design approaches. A focus on resilience is required from early…

Geology and the Clyde Dam

Simon Nathan (s.nathan@xtra.co.nz) This article was previously published in the Geoscience Society of New Zealand Journal of the Historical Studies Group 68, January 2021 The Clyde Dam on the Clutha River (Fig. 1), which started generating power in 1993, was the last major hydro-electric scheme…

Landslide Risk Management, Te Ore Ore Slip, State Highway 4

In October 2019, a spectacular landslide destroyed nearly 300m of State Highway 4 at a remote site near Te Ore Ore, about 20km south of Raetihi in the central North Island. The slip caused major disruption to the local community and to goods and tourist…