Estimation of intensity-duration-frequency relationships according to the property of scale invariance and regionalization analysis in a Mediterranean coastal area
•Sub daily rainfall in northern Tunisia have a scale break around 30min time scale.•Regional model of IDF based on simple scale assumption was drowning for study area.•This model was implemented at Tunis area which allowed us to create maps quantiles.•The model based on daily rainfall asses the hydr...
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| Veröffentlicht in: | Journal of hydrology (Amsterdam) 2016-10, Vol.541 (part A), p.38-49 |
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| container_title | Journal of hydrology (Amsterdam) |
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| creator | Ghanmi, Hanen Bargaoui, Zoubeida Mallet, Cécile |
| description | •Sub daily rainfall in northern Tunisia have a scale break around 30min time scale.•Regional model of IDF based on simple scale assumption was drowning for study area.•This model was implemented at Tunis area which allowed us to create maps quantiles.•The model based on daily rainfall asses the hydrological risk on Tunis area.
Usually, networks of daily rainfall raingauges have a higher spatial cover than tippet bucket raingauges networks. Consequently, it would be of high interest to make use of daily rainfall information to asses IDF curves for unobserved locations. The present work proposes achieving this goal by using the assumption of simple scaling invariance. Indeed, series observed over sufficiently long periods for 10 tippet bucket raingauge, allowed us to test the hypothesis of simple scaling of annual maximum rainfall intensities in northern Tunisia. This assumption, combined with Gumbel model of maximum rainfall intensities allowed us to develop a methodology to estimate IDF curves from the daily rainfall totals. In fact, a regionalization formula which involves the percentile 90% of the annual maximum daily rainfall was developed and validated. This regionalization formula applied to daily data of 25 rainfall stations in the sub area of Tunis region, combined with the assumption of simple scaling has enabled us to develop Intensity Duration Area Frequency (IDAF) curves for Tunis area. |
| doi_str_mv | 10.1016/j.jhydrol.2016.07.002 |
| format | Article |
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Usually, networks of daily rainfall raingauges have a higher spatial cover than tippet bucket raingauges networks. Consequently, it would be of high interest to make use of daily rainfall information to asses IDF curves for unobserved locations. The present work proposes achieving this goal by using the assumption of simple scaling invariance. Indeed, series observed over sufficiently long periods for 10 tippet bucket raingauge, allowed us to test the hypothesis of simple scaling of annual maximum rainfall intensities in northern Tunisia. This assumption, combined with Gumbel model of maximum rainfall intensities allowed us to develop a methodology to estimate IDF curves from the daily rainfall totals. In fact, a regionalization formula which involves the percentile 90% of the annual maximum daily rainfall was developed and validated. This regionalization formula applied to daily data of 25 rainfall stations in the sub area of Tunis region, combined with the assumption of simple scaling has enabled us to develop Intensity Duration Area Frequency (IDAF) curves for Tunis area.</description><identifier>ISSN: 0022-1694</identifier><identifier>EISSN: 1879-2707</identifier><identifier>DOI: 10.1016/j.jhydrol.2016.07.002</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Annual rainfall ; Buckets ; Coastal areas ; Earth Sciences ; Gumbel distribution ; IDAF ; IDF curves ; Mathematical models ; Meteorology ; Networks ; PWM ; Rainfall ; Regionalization ; Scale invariance ; Sciences of the Universe ; Simple scale invariance ; Stations</subject><ispartof>Journal of hydrology (Amsterdam), 2016-10, Vol.541 (part A), p.38-49</ispartof><rights>2016 Elsevier B.V.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a433t-7a04ddfe6c48640a64a93f35dac449099b269d1ff874b5669c7d041a9f6e77463</citedby><cites>FETCH-LOGICAL-a433t-7a04ddfe6c48640a64a93f35dac449099b269d1ff874b5669c7d041a9f6e77463</cites><orcidid>0000-0002-0943-3510</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jhydrol.2016.07.002$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://insu.hal.science/insu-01345572$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Ghanmi, Hanen</creatorcontrib><creatorcontrib>Bargaoui, Zoubeida</creatorcontrib><creatorcontrib>Mallet, Cécile</creatorcontrib><title>Estimation of intensity-duration-frequency relationships according to the property of scale invariance and regionalization analysis in a Mediterranean coastal area</title><title>Journal of hydrology (Amsterdam)</title><description>•Sub daily rainfall in northern Tunisia have a scale break around 30min time scale.•Regional model of IDF based on simple scale assumption was drowning for study area.•This model was implemented at Tunis area which allowed us to create maps quantiles.•The model based on daily rainfall asses the hydrological risk on Tunis area.
Usually, networks of daily rainfall raingauges have a higher spatial cover than tippet bucket raingauges networks. Consequently, it would be of high interest to make use of daily rainfall information to asses IDF curves for unobserved locations. The present work proposes achieving this goal by using the assumption of simple scaling invariance. Indeed, series observed over sufficiently long periods for 10 tippet bucket raingauge, allowed us to test the hypothesis of simple scaling of annual maximum rainfall intensities in northern Tunisia. This assumption, combined with Gumbel model of maximum rainfall intensities allowed us to develop a methodology to estimate IDF curves from the daily rainfall totals. In fact, a regionalization formula which involves the percentile 90% of the annual maximum daily rainfall was developed and validated. This regionalization formula applied to daily data of 25 rainfall stations in the sub area of Tunis region, combined with the assumption of simple scaling has enabled us to develop Intensity Duration Area Frequency (IDAF) curves for Tunis area.</description><subject>Annual rainfall</subject><subject>Buckets</subject><subject>Coastal areas</subject><subject>Earth Sciences</subject><subject>Gumbel distribution</subject><subject>IDAF</subject><subject>IDF curves</subject><subject>Mathematical models</subject><subject>Meteorology</subject><subject>Networks</subject><subject>PWM</subject><subject>Rainfall</subject><subject>Regionalization</subject><subject>Scale invariance</subject><subject>Sciences of the Universe</subject><subject>Simple scale invariance</subject><subject>Stations</subject><issn>0022-1694</issn><issn>1879-2707</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqNUcGOFCEU7BhNHFc_wYSjMekWGhqak9lsVtdkjBc9k7fweodJL4zATNL-zv6ozPbG68oFqFQVj6qmec9oxyiTn_bdfre4FOeur9eOqo7S_kWzYaPSba-oetlsKtK3TGrxunmT857WxbnYNA_Xufh7KD4GEifiQ8GQfVlad0yPaDsl_H3EYBeScH6E8s4fMgFrY3I-3JESSdkhOaR4wFSWs0-2MGN1O0HyECwSCK7q76oaZv9nfQ_qeck-Vx4B8h2dL5gSBIRAbIRcYCaQEN42ryaYM7572i-aX1-uf17dtNsfX79dXW5bEJyXVgEVzk0orRiloCAFaD7xwYEVQlOtb3upHZumUYnbQUptlaOCgZ4kKiUkv2g-rr47mM0h1VjSYiJ4c3O5NT7ko6GMi2FQ_YlV8oeVXL9d88nF3PtscZ7r_PGYDRvFMNKBKvUfVK44HQTXlTqsVJtizgmnf3Mwas5lm715KtucyzZUmVpt1X1edVjzOXlMJltfS6uZJrTFuOifcfgLv5y5cw</recordid><startdate>20161001</startdate><enddate>20161001</enddate><creator>Ghanmi, Hanen</creator><creator>Bargaoui, Zoubeida</creator><creator>Mallet, Cécile</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7ST</scope><scope>7TG</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><scope>SOI</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-0943-3510</orcidid></search><sort><creationdate>20161001</creationdate><title>Estimation of intensity-duration-frequency relationships according to the property of scale invariance and regionalization analysis in a Mediterranean coastal area</title><author>Ghanmi, Hanen ; 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Usually, networks of daily rainfall raingauges have a higher spatial cover than tippet bucket raingauges networks. Consequently, it would be of high interest to make use of daily rainfall information to asses IDF curves for unobserved locations. The present work proposes achieving this goal by using the assumption of simple scaling invariance. Indeed, series observed over sufficiently long periods for 10 tippet bucket raingauge, allowed us to test the hypothesis of simple scaling of annual maximum rainfall intensities in northern Tunisia. This assumption, combined with Gumbel model of maximum rainfall intensities allowed us to develop a methodology to estimate IDF curves from the daily rainfall totals. In fact, a regionalization formula which involves the percentile 90% of the annual maximum daily rainfall was developed and validated. This regionalization formula applied to daily data of 25 rainfall stations in the sub area of Tunis region, combined with the assumption of simple scaling has enabled us to develop Intensity Duration Area Frequency (IDAF) curves for Tunis area.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.jhydrol.2016.07.002</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-0943-3510</orcidid></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Annual rainfall Buckets Coastal areas Earth Sciences Gumbel distribution IDAF IDF curves Mathematical models Meteorology Networks PWM Rainfall Regionalization Scale invariance Sciences of the Universe Simple scale invariance Stations |
| title | Estimation of intensity-duration-frequency relationships according to the property of scale invariance and regionalization analysis in a Mediterranean coastal area |
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