Spatio-temporal analysis of the relationship between South American precipitation extremes and the El Niño Southern Oscillation

Elizabeth Wu; Sanjay Chawla

doi:10.1109/ICDMW.2007.102

Spatio-temporal analysis of the relationship between South American precipitation extremes and the El Niño Southern Oscillation

Elizabeth Wu, Sanjay Chawla

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

3 Scopus citations

Abstract

Understanding the spatial variability of precipitation extremes and their relationship to the El Niño Southern Oscillation (ENSO) phenomenon is a valuable task since precipitation extremes are often related to natural disasters such as flooding. This study aims to evaluate and provide insight into the relationship between ENSO and the parameters of the extreme value distributions over South America for precipitation data between 1978-2004. The relationship between these values, as described by the global and local Moran I statistics, has been analysed against the Southern Oscillation Index (SOI), which is generally used as a measure of the intensity of ENSO at a given time. Through analysis, we are the first to show increased spatial dependence of the parameters of the extreme value distributions between regions during strong El Niño periods.

Original language	English
Title of host publication	ICDM Workshops 2007 - Proceedings of the 17th IEEE International Conference on Data Mining Workshops
Pages	685-690
Number of pages	6
DOIs	https://doi.org/10.1109/ICDMW.2007.102
State	Published - 2007
Externally published	Yes
Event	17th IEEE International Conference on Data Mining Workshops, ICDM Workshops 2007 - Omaha, NE, United States Duration: Oct 28 2007 → Oct 31 2007

Publication series

Name	Proceedings - IEEE International Conference on Data Mining, ICDM
ISSN (Print)	1550-4786

Conference

Conference	17th IEEE International Conference on Data Mining Workshops, ICDM Workshops 2007
Country/Territory	United States
City	Omaha, NE
Period	10/28/07 → 10/31/07

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10.1109/ICDMW.2007.102

Cite this

Wu, E., & Chawla, S. (2007). Spatio-temporal analysis of the relationship between South American precipitation extremes and the El Niño Southern Oscillation. In ICDM Workshops 2007 - Proceedings of the 17th IEEE International Conference on Data Mining Workshops (pp. 685-690). [4476742] (Proceedings - IEEE International Conference on Data Mining, ICDM). https://doi.org/10.1109/ICDMW.2007.102

@inproceedings{f3cdb0f8a53f49479f3a86f35062fa10,

title = "Spatio-temporal analysis of the relationship between South American precipitation extremes and the El Ni{\~n}o Southern Oscillation",

abstract = "Understanding the spatial variability of precipitation extremes and their relationship to the El Ni{\~n}o Southern Oscillation (ENSO) phenomenon is a valuable task since precipitation extremes are often related to natural disasters such as flooding. This study aims to evaluate and provide insight into the relationship between ENSO and the parameters of the extreme value distributions over South America for precipitation data between 1978-2004. The relationship between these values, as described by the global and local Moran I statistics, has been analysed against the Southern Oscillation Index (SOI), which is generally used as a measure of the intensity of ENSO at a given time. Through analysis, we are the first to show increased spatial dependence of the parameters of the extreme value distributions between regions during strong El Ni{\~n}o periods.",

author = "Elizabeth Wu and Sanjay Chawla",

year = "2007",

doi = "10.1109/ICDMW.2007.102",

language = "English",

isbn = "0769530192",

series = "Proceedings - IEEE International Conference on Data Mining, ICDM",

pages = "685--690",

booktitle = "ICDM Workshops 2007 - Proceedings of the 17th IEEE International Conference on Data Mining Workshops",

note = "null ; Conference date: 28-10-2007 Through 31-10-2007",

}

Wu, E & Chawla, S 2007, Spatio-temporal analysis of the relationship between South American precipitation extremes and the El Niño Southern Oscillation. in ICDM Workshops 2007 - Proceedings of the 17th IEEE International Conference on Data Mining Workshops., 4476742, Proceedings - IEEE International Conference on Data Mining, ICDM, pp. 685-690, 17th IEEE International Conference on Data Mining Workshops, ICDM Workshops 2007, Omaha, NE, United States, 10/28/07. https://doi.org/10.1109/ICDMW.2007.102

Spatio-temporal analysis of the relationship between South American precipitation extremes and the El Niño Southern Oscillation. / Wu, Elizabeth; Chawla, Sanjay.

ICDM Workshops 2007 - Proceedings of the 17th IEEE International Conference on Data Mining Workshops. 2007. p. 685-690 4476742 (Proceedings - IEEE International Conference on Data Mining, ICDM).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - Understanding the spatial variability of precipitation extremes and their relationship to the El Niño Southern Oscillation (ENSO) phenomenon is a valuable task since precipitation extremes are often related to natural disasters such as flooding. This study aims to evaluate and provide insight into the relationship between ENSO and the parameters of the extreme value distributions over South America for precipitation data between 1978-2004. The relationship between these values, as described by the global and local Moran I statistics, has been analysed against the Southern Oscillation Index (SOI), which is generally used as a measure of the intensity of ENSO at a given time. Through analysis, we are the first to show increased spatial dependence of the parameters of the extreme value distributions between regions during strong El Niño periods.

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Wu E, Chawla S. Spatio-temporal analysis of the relationship between South American precipitation extremes and the El Niño Southern Oscillation. In ICDM Workshops 2007 - Proceedings of the 17th IEEE International Conference on Data Mining Workshops. 2007. p. 685-690. 4476742. (Proceedings - IEEE International Conference on Data Mining, ICDM). https://doi.org/10.1109/ICDMW.2007.102

Spatio-temporal analysis of the relationship between South American precipitation extremes and the El Niño Southern Oscillation

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