Logo Laboratoire écologie fonctionnelle et environnement
Logo Laboratoire écologie fonctionnelle et environnement
Logo Laboratoire écologie fonctionnelle et environnement
48. Mont Lozère

Initiated in 1981, the monitoring of the experimental catchments of Mont Lozère is still ongoing today on five catchments ranging from 0.3 to 15 km². Located in a mid-mountain area (between 900 and 1,500 m above sea level) on a granitic substrate, these catchments feature diverse land cover, including meadows, heathlands, grasslands, and deciduous forests (beech) as well as coniferous forests (spruce and fir). The site is part of the SNO OHM-CV network integrated within the OZCAR Research Infrastructure (https://deims.org/8c29db1b-7d44-481f-81be-de3b2769e06a).

 Located 80 km from the Mediterranean Sea and facing south, the study area experiences a climate combining Mediterranean characteristics (intense rainfall events, especially in autumn—known as Cévenol episodes—; summer drought; 2,300 hours of sunshine per year) and mountain features (average annual precipitation of around 2,000 mm, with annual totals ranging from 880 mm (2022) to 3,500 mm (1966), 10 to 25% of which falls as snow; mean annual temperature of 7°C).

RENOIR BAGET
RENOIR BAGET
RENOIR BAGET Station météo

Data of strategic importance

Research conducted at this site has covered a wide range of topics, including soil acidification (in the 1980s), hydro-sedimentary fluxes and erosion, the hydrological role of peatlands, the influence of forests on river discharge, flood generation processes, and the processes controlling water quality. Current research focuses on subsurface water pathways (with dedicated groundwater experiments, particularly in the unsaturated zone), the temporal variability of plant water uptake, and the monitoring of chemical elements across the different compartments of forest ecosystems.

Présentation de la station du Baget

The Vialasse weather station, located at the Mont Lozère site, hosts the rain collector of the RENOIR network operated by the CHROME research team from the University of Nîmes.

Situated at an altitude of 1,300 m, the Vialasse weather station has continuously recorded rainfall, air temperature and humidity, sunshine duration, and wind speed and direction since 1981. The RENOIR network rain collector was installed in July 2022. Measurements are taken at the beginning of each month.

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