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Net rainfall estimation by the inversion of a geomorphology-based transfer function and discharge deconvolution

Domain:

climate

Record type:

papersoftware
Creator:
BouCudAndSli
Editor:
EcoSolInsEau
Publisher:
CCSDTaylor & Francis
Host:avatar
International audience The assessment of net rainfall, defined as the intermediate hydrological variable linked in between the hillslope and the river network, is a challenge. This paper presents a method for net rainfall estimation, using inverse modelling associated to a geomorphology-based transfer function. The analysis is carried out in semi-arid Tunisia, with a dataset from event discharges in a mesoscale dryland basin. A complete sensitivity analysis is developed, along with a discussion of validity limits for simplifying assumptions and the identification of paths for improvement. This work could be relevant for data-scarce areas, thanks to the use of simple dynamic conceptualization and being based on observable geomorphological features, adjusted to the available data and knowledge.

Visit

institut-agro-rennes-angers.hal.science

Tags

inverse modellingsensitivity analysisnet rainfallgeomorphology-based transfer functionrainfall–runoff modelling[SDV.SA.SDS]Life Sciences [q-bio]/Agricultural sciences/Soil study[SDU.STU.HY]Sciences of the Universe [physics]/Earth Sciences/Hydrology

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