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ENSO influence on rainy season precipitation over the Yangtze River Basin

Cao, Qing; Hao, Zhenchun; Yuan, Feifei LU ; Su, Zhenkuan and Berndtsson, Ronny LU (2017) In Water (Switzerland) 9(7).
Abstract

The paper explores the impact of El Niño-Southern Oscillation (ENSO) on rainy season precipitation properties over the Yangtze River Basin. The multi-scale moving t-test was used to determine the onset and withdrawal of the rainy season. Results showed the following: (1) Onset and withdrawal of the averaged rainy season over the Yangtze River Basin showed a similar distribution and both progressed northwards and westwards. There is a trend for delayed onset of rainy season precipitation over the Yangtze River Basin. A similar trend in the withdrawal of rainy season precipitation was not found. (2) The decaying Central and Eastern PacificWarming are indicative of wet signals in the Yangtze River Basin, with precipitation anomalies up to... (More)

The paper explores the impact of El Niño-Southern Oscillation (ENSO) on rainy season precipitation properties over the Yangtze River Basin. The multi-scale moving t-test was used to determine the onset and withdrawal of the rainy season. Results showed the following: (1) Onset and withdrawal of the averaged rainy season over the Yangtze River Basin showed a similar distribution and both progressed northwards and westwards. There is a trend for delayed onset of rainy season precipitation over the Yangtze River Basin. A similar trend in the withdrawal of rainy season precipitation was not found. (2) The decaying Central and Eastern PacificWarming are indicative of wet signals in the Yangtze River Basin, with precipitation anomalies up to 25% above normal. The decaying Eastern Pacific Cooling and developing Eastern PacificWarming are indicative of dry signals over the Yangtze River Basin, with 5-20% lower than average precipitation (3) ENSO Modoki in the developing phase is more important than the developing ENSO when it comes to present wetter or drier signals. Conversely, the decaying ENSO shows more prominent wet or dry signals than the decaying ENSO Modoki.

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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Climate, ENSO, Modoki, Precipitation, Rainy season, Yangtze River Basin
in
Water (Switzerland)
volume
9
issue
7
publisher
MDPI AG
external identifiers
  • scopus:85021681562
  • wos:000406681700020
ISSN
2073-4441
DOI
10.3390/w9070469
language
English
LU publication?
yes
id
88e02709-5327-48cb-9066-b51b2ffe9888
date added to LUP
2017-07-19 08:22:50
date last changed
2017-09-18 11:38:39
@article{88e02709-5327-48cb-9066-b51b2ffe9888,
  abstract     = {<p>The paper explores the impact of El Niño-Southern Oscillation (ENSO) on rainy season precipitation properties over the Yangtze River Basin. The multi-scale moving t-test was used to determine the onset and withdrawal of the rainy season. Results showed the following: (1) Onset and withdrawal of the averaged rainy season over the Yangtze River Basin showed a similar distribution and both progressed northwards and westwards. There is a trend for delayed onset of rainy season precipitation over the Yangtze River Basin. A similar trend in the withdrawal of rainy season precipitation was not found. (2) The decaying Central and Eastern PacificWarming are indicative of wet signals in the Yangtze River Basin, with precipitation anomalies up to 25% above normal. The decaying Eastern Pacific Cooling and developing Eastern PacificWarming are indicative of dry signals over the Yangtze River Basin, with 5-20% lower than average precipitation (3) ENSO Modoki in the developing phase is more important than the developing ENSO when it comes to present wetter or drier signals. Conversely, the decaying ENSO shows more prominent wet or dry signals than the decaying ENSO Modoki.</p>},
  articleno    = {469},
  author       = {Cao, Qing and Hao, Zhenchun and Yuan, Feifei and Su, Zhenkuan and Berndtsson, Ronny},
  issn         = {2073-4441},
  keyword      = {Climate,ENSO,Modoki,Precipitation,Rainy season,Yangtze River Basin},
  language     = {eng},
  month        = {06},
  number       = {7},
  publisher    = {MDPI AG},
  series       = {Water (Switzerland)},
  title        = {ENSO influence on rainy season precipitation over the Yangtze River Basin},
  url          = {http://dx.doi.org/10.3390/w9070469},
  volume       = {9},
  year         = {2017},
}