Effect of dew and fog on Swiss grasslands using stable isotopes of water

Site: Alp Weissenstein (CH-AWS, Crap Alv, canton Grisons, Switzerland) is located on the western side of the Albula pass in the Swiss Alps. It is is part of the ETH research stations.;
Longitude (WGS 84): 9°47'25.5" E;
Latitude (WGS 84): 46°34'59.5" N;
Altitude (m.a.s.l): 1978;
Land cover (IGBP land classification): Grassland;
Soil type: Slightly humous to humous sandy loam (Schärer 2003);
Geology: Morainic material from the Val Bever glacier (Caflisch 1954) and limestone debris (Bearth et al. 1987) from the steep valley slopes that superpose the glacial formation.