Atmospheric analysis

A new hotspot emerged in the Rangitikei District in Manawatu-Wanganui during the past week. This is the only current hotspot in the North Island. There are currently no hotspots in the South Island.

All previous hotspots in the North Island dissipated this past week due to the heavy rainfall. Substantial rainfall in the past week caused the small hotspot in northwestern Marlborough to dissipate, and no other hotspots are currently in place in the South Island.

The diary and hand-drawn maps of a nineteenth century geologist has enabled NIWA scientists to confirm the former site of the iconic Pink and White Terraces at Lake Rotomahana.

Previous research has identified significant unintended water loss (surface runoff and groundwater recharge) on pallic soils, predominately on hillslopes, under spray irrigation.

Currently there are gaps in understanding of user decision making processes and public needs and requirements for river forecasting in New Zealand. This project aims to bridge NIWA river forecasting aspirations and capabilities with both the public and decision makers’ requirements.

A trio of lead authors from NIWA has been named alongside the Ministry for the Environment and others as joint winner of the 2018 Terry Healy Coastal Project Award.

The driest soils across the North Island compared to normal for this time of the year are found in parts of Northland, Taupo, and Tararua District. A small hotspot is currently in place in northwestern Marlborough.

An abnormal El Niño weather event is looking likely for New Zealand over summer, according to NIWA meteorologist Ben Noll.

18 Nov 2018. NIWA Blake Ambassador—Lana Young—explains how bongo nets are deployed to collect plankton around the clock on board the RV Tangaroa.

16 November 2018. By Voyage Leader Dr Moira Decima.