Floods in the Southern Alps of New Zealand: the importance of atmospheric rivers

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Floods in the Southern Alps of New Zealand : the importance of atmospheric rivers. / Kingston, Daniel G.; Lavers, David A.; Hannah, David M.

In: Hydrological Processes, Vol. 30, No. 26, 30.12.2016, p. 5063-5070.

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Kingston, Daniel G. ; Lavers, David A. ; Hannah, David M. / Floods in the Southern Alps of New Zealand : the importance of atmospheric rivers. In: Hydrological Processes. 2016 ; Vol. 30, No. 26. pp. 5063-5070.

Bibtex

@article{aacf2488241549b4a70d0ad96ebb08ae,
title = "Floods in the Southern Alps of New Zealand: the importance of atmospheric rivers",
abstract = "Extremely high precipitation occurs in the Southern Alps of New Zealand, associated with both orographic enhancement and synoptic-scale weather processes. In this study, we test the hypothesis that atmospheric rivers (ARs) are a key driver of floods in the Southern Alps of New Zealand. Vertically integrated water vapour and horizontal water vapour transport, and atmospheric circulation, are investigated concurrently with major floods on the Waitaki River (a major South Island river). Analysis of the largest eight winter maximum floods between 1979 and 2012 indicates that all are associated with ARs. Geopotential height fields reveal that these ARs are located in slow eastward moving extratropical cyclones, with high pressure to the northeast of New Zealand. The confirmation of ARs as a contributor to Waitaki flooding indicates the need for their further exploration to better understand South Island hydrometeorological extremes.",
keywords = "atmospheric rivers, flooding, New Zealand, precipitation",
author = "Kingston, {Daniel G.} and Lavers, {David A.} and Hannah, {David M.}",
year = "2016",
month = dec,
day = "30",
doi = "10.1002/hyp.10982",
language = "English",
volume = "30",
pages = "5063--5070",
journal = "Hydrological Processes",
issn = "0885-6087",
publisher = "Wiley",
number = "26",

}

RIS

TY - JOUR

T1 - Floods in the Southern Alps of New Zealand

T2 - the importance of atmospheric rivers

AU - Kingston, Daniel G.

AU - Lavers, David A.

AU - Hannah, David M.

PY - 2016/12/30

Y1 - 2016/12/30

N2 - Extremely high precipitation occurs in the Southern Alps of New Zealand, associated with both orographic enhancement and synoptic-scale weather processes. In this study, we test the hypothesis that atmospheric rivers (ARs) are a key driver of floods in the Southern Alps of New Zealand. Vertically integrated water vapour and horizontal water vapour transport, and atmospheric circulation, are investigated concurrently with major floods on the Waitaki River (a major South Island river). Analysis of the largest eight winter maximum floods between 1979 and 2012 indicates that all are associated with ARs. Geopotential height fields reveal that these ARs are located in slow eastward moving extratropical cyclones, with high pressure to the northeast of New Zealand. The confirmation of ARs as a contributor to Waitaki flooding indicates the need for their further exploration to better understand South Island hydrometeorological extremes.

AB - Extremely high precipitation occurs in the Southern Alps of New Zealand, associated with both orographic enhancement and synoptic-scale weather processes. In this study, we test the hypothesis that atmospheric rivers (ARs) are a key driver of floods in the Southern Alps of New Zealand. Vertically integrated water vapour and horizontal water vapour transport, and atmospheric circulation, are investigated concurrently with major floods on the Waitaki River (a major South Island river). Analysis of the largest eight winter maximum floods between 1979 and 2012 indicates that all are associated with ARs. Geopotential height fields reveal that these ARs are located in slow eastward moving extratropical cyclones, with high pressure to the northeast of New Zealand. The confirmation of ARs as a contributor to Waitaki flooding indicates the need for their further exploration to better understand South Island hydrometeorological extremes.

KW - atmospheric rivers

KW - flooding

KW - New Zealand

KW - precipitation

U2 - 10.1002/hyp.10982

DO - 10.1002/hyp.10982

M3 - Article

AN - SCOPUS:84988614788

VL - 30

SP - 5063

EP - 5070

JO - Hydrological Processes

JF - Hydrological Processes

SN - 0885-6087

IS - 26

ER -