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A Web-GIS Tool for Rainstorm Hazard Management Over Large Areas

8 pagesPublished: September 20, 2018


Spatial analysis of rainfall extremes benefits of scientific advances and continuous data increments, that have led to the development of various methodologies in the last decades. In the field of the hydrologic design, due to technical, socio-economic and legislative factors, the availability of new methodologies does not imply the total substitution of the old, consolidated, procedures. This suggests that the hydrologic design is often supported by the opportunity to considering and comparing the results of estimates coming from different estimation methods. In this work, a tool named MultiRain is proposed, aimed at providing harmonized regional rainfall estimates for a given point and on areal basis. The software tool is based both on a QGis plugin and on a web-based WPS (Web Processing Service) procedure. Both the interfaces allow to build in a seamless way, from multiple models, the Intensity-Duration-Frequency (IDF) curves, either relative to a point or integrated over an area. The computation has been made automatic by manipulating old procedures lacking a map-based access. The procedures adopted for ensuring homogeneous comparison between the older ones and the more recent ones are described, with reference to three different methods and to their implementation over a 25,000km2 area in the North-West of Italy.

Keyphrases: hazard maps, Model averages, Rainfall Extremes, Web GIS

In: Goffredo La Loggia, Gabriele Freni, Valeria Puleo and Mauro De Marchis (editors). HIC 2018. 13th International Conference on Hydroinformatics, vol 3, pages 844--851

BibTeX entry
  author    = {Susanna Grasso and Andrea Libertino and Pierluigi Claps},
  title     = {A Web-GIS Tool for Rainstorm Hazard Management Over Large Areas},
  booktitle = {HIC 2018. 13th International Conference on Hydroinformatics},
  editor    = {Goffredo La Loggia and Gabriele Freni and Valeria Puleo and Mauro De Marchis},
  series    = {EPiC Series in Engineering},
  volume    = {3},
  pages     = {844--851},
  year      = {2018},
  publisher = {EasyChair},
  bibsource = {EasyChair,},
  issn      = {2516-2330},
  url       = {},
  doi       = {10.29007/gthr}}
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