Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 29, issue 16
Articles | Volume 29, issue 16
https://doi.org/10.5194/hess-29-3917-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-29-3917-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 29, issue 16
Research article
 | 
25 Aug 2025
Research article |  | 25 Aug 2025

Estimation of radar-based area–depth–duration–frequency curves with special focus on spatial sampling problems

Golbarg Goshtasbpour and Uwe Haberlandt

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Short summary
A method for estimating extreme rainfall from radar observations is provided. Extreme value statistics are applied on merged radar rainfall product covering different area sizes from a single point up to about 1000 km2. The rainfall extremes are supposed to decrease as the area increases. This behavior could not be confirmed by the radar observations. The reason is the limited single-point sampling approach for extreme value analysis. New multiple-point sampling strategies are proposed to mitigate this problem.
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