Articles | Volume 14, issue 6
Geosci. Model Dev., 14, 3295–3315, 2021
https://doi.org/10.5194/gmd-14-3295-2021
Geosci. Model Dev., 14, 3295–3315, 2021
https://doi.org/10.5194/gmd-14-3295-2021
Development and technical paper
04 Jun 2021
Development and technical paper | 04 Jun 2021

InundatEd-v1.0: a height above nearest drainage (HAND)-based flood risk modeling system using a discrete global grid system

Chiranjib Chaudhuri et al.

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Latest update: 01 Feb 2023
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Short summary
A flood risk estimation model for two study watersheds in Canada and an interactive visualization platform using publicly available hydrometric data are presented. The risk model uses a height above nearest drainage (HAND)-based solution for Manning’s formula and is implemented on a big-data discrete global grid system framework. Overall, the novel data model decreases processing time and provides easy parallelization, resulting in performance gains in online flood analytics.