Tagged: River flow

Map: Projected effects of climate change on New Zealand freshwaters - Waiology

Waiology Nov 27, 2012

By Daniel Collins Maps are helpful tools in communicating and understanding the potential implications of climate change. We have national maps of projected changes in temperature that show faster warming in the north, and in precipitation that show more rain in the south and west and less in the north and east. We also have national maps of … Read More

The rise and fall of the Heathcote River - Waiology

Waiology Aug 17, 2012

By Daniel Collins It would have been hard to miss the deluge that washed over the country this past week. Otago and Canterbury were particularly affected, with flood damage in Waitaki District estimated at about $1 million. Minor flooding also occurred around Christchurch, with the lower reaches of the Avon, Heathcote and Styx Rivers overflowing their … Read More

Predicting river flows in ungauged catchments, from New Zealand to the world - Waiology

Waiology Jul 13, 2012

By Ross Woods Our knowledge of the water cycle is imperfect – for example we don’t have data for all rivers across the landscape, and yet so often we want river flow information for resource and hazard management purposes. In the absence of direct data, then, we turn to models and seek to make hydrological predictions in these ungauged … Read More

Long-term fluctuations in river flow conditions linked to the Interdecadal Pacific Oscillation - Waiology

Waiology Nov 17, 2011

By Ross Woods Within the Waterscape research programme, we’re doing some case studies on the potential effects of climate change on water resources, in water-limited parts of New Zealand, such as Canterbury and Hawkes Bay. In effect, we’re asking how these water resources might look in the future. In another post, I’ll look into the results of a … Read More