NIWA Archive

  • Russel Norman

    NIWA on water – the science is compelling - by Russel Norman



    Interesting lead article on freshwater in the relaunched NIWA magazine, Water and Atmosphere. Trend is worsening: NIWA states that water quality is degrading in our major rivers and that the ‘upward trend in temperature, nitrogen and phosphorus has strengthened in recent years’. Source of the pollution: ‘pastoral farming… is undoubtedly the main source of diffuse [...] read more
    August 5, 2010 9:11 pm - 13 Comments
  • Russel Norman

    Twenty years of pollution - by Russel Norman



    NIWA have put out a release summarising the trends from 20 years of monitoring river water quality. The National Rivers Water Quality Network collects data from 77 sites across the country. The dataset they have is the longest and most wide reaching water quality data set in the country. What is shows is not a [...] read more
    February 2, 2009 5:06 pm - 4 Comments
  • frog

    Glaciers retreat - by frog



    Hot Topic has the best detailed coverage of the news that Southern Alps glaciers have lost 2.2 billion tonnes of permanent ice between April 2007 and March 2008. That is the fourth highest annual loss since monitoring started and is about 5% of the glaciers’ total mass. Gareth Renowden has graphs, quotes from NIWA and [...] read more
    September 15, 2008 10:24 am - 27 Comments
  • frog

    So you think climate change won’t affect you? - by frog



    Then it’s probably time you read the Herald’s story Climate change could see pubs run dry – Niwa.  First up a pessimistic quote from one of those pesky, killjoy scientists, who probably drinks wine anyway: National Institute of Water and Atmospheric Research (Niwa) climate scientist Dr Jim Salinger said climate change could see a decline [...] read more
    April 9, 2008 4:26 pm - 10 Comments