Résolution spatiale des MNT et qualité de l'estimation des températures et des précipitations en France

6533b871fe1ef96bd12d0bf0

RESEARCH PRODUCT

Résolution spatiale des MNT et qualité de l'estimation des températures et des précipitations en France

Daniel Joly Thierry Castel Benjamin Pohl Yves Richard

subject

DTM Spatial resolution [SDU.STU.CL] Sciences of the Universe [physics]/Earth Sciences/Climatology [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology correlation temperature amount of rainfall France Résolution spatiale [ SDU.STU.CL ] Sciences of the Universe [physics]/Earth Sciences/Climatology cumuls de précipitation MNT corrélations

description

DTM spatial resolution and temperature and amount of rainfall estimation in France. The spatial variationanalysis of normal temperature and amount of rainfall in France is performed by simple linear correlations where elevationis the explanatory variable. The latter is provided in seven resolutions: 250,500 m, 1, 2, 4, 8 and 16 km. The correlationcoefficient is used to assess what is the resolution that works best. Temperatures are optimally explained by the 250 mresolution, the coarser resolutions producing lower quality results. The 2km resolution best explains the spatial variation ofrainfall.

year	journal	country	edition	language
2015-07-01

https://hal.archives-ouvertes.fr/hal-01300511

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