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Master thesis

Reconstitutions de séries de précipitations journalières dans le bassin versant de la Moselle

Abstract : This work aims to reconstruct daily rainfall series in the Moselle watershed from historical daily observations in climate archives. These observations are compiled in a historical daily database whose data will be used in the estimation of average daily rainfall in the watershed. This estimation is carried out using the methods of spatialization of daily data and disaggregation of monthly data. By comparing these methods with the SAFRAN series, the average rainfall calculated from the three methods presents similar results for basins located downstream of the Moselle and singular fluctuations for basins located in the High Vosges. However, the disaggregation method presents better results than the spatialization method based on daily data by comparing them with the SAFRAN series considered as reference rainfall over the recent period, even if they present biases in the study area. The validity of the disaggregation method still needs to be verified and tested at other scales and by comparison with different climate reconstruction series.
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https://hal.univ-lorraine.fr/hal-02990115
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Submitted on : Thursday, November 5, 2020 - 2:08:22 PM
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  • HAL Id : hal-02990115, version 1

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Hajar El Khalfi. Reconstitutions de séries de précipitations journalières dans le bassin versant de la Moselle. Géographie. 2020. ⟨hal-02990115⟩

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