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Analysis of daily rainfall concentration in New Zealand

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  • Tommaso Caloiero

Abstract

A higher precipitation concentration, represented by greater percentages of the yearly total precipitation in a few very rainy days, has the potential to impact considerably on water resources. In this paper, an investigation of the spatial and temporal patterns of daily precipitation concentration in New Zealand has been carried out by means of a daily precipitation dataset. Results show a different behavior between North Island, with the most critical rainfall concentration, and South Island, where precipitation concentration values on the eastern side are comparable to those of North Island, while the western side presents the lowest values of precipitation concentration. On a seasonal scale, the spatial gradients for summer and autumn are similar to the annual one. The application of the Mann–Kendall test shows a general negative trend detected in the eastern part of North Island, in particular in winter and autumn, and a west/east difference trend in South Island, in particular in winter and summer. Copyright Springer Science+Business Media Dordrecht 2014

Suggested Citation

  • Tommaso Caloiero, 2014. "Analysis of daily rainfall concentration in New Zealand," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 72(2), pages 389-404, June.
  • Handle: RePEc:spr:nathaz:v:72:y:2014:i:2:p:389-404
    DOI: 10.1007/s11069-013-1015-1
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    Cited by:

    1. Ercan Yeşilırmak & Levent Atatanır, 2016. "Spatiotemporal variability of precipitation concentration in western Turkey," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 81(1), pages 687-704, March.
    2. Ercan Yeşilırmak & Levent Atatanır, 2016. "Spatiotemporal variability of precipitation concentration in western Turkey," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 81(1), pages 687-704, March.
    3. Gerardo Núñez-González, 2020. "Analysis of the trends in precipitation and precipitation concentration in some climatological stations of Mexico from 1960 to 2010," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 104(2), pages 1747-1761, November.

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