Identification of runoff processes in a small undisturbed catchment in the Chilean Andes - Experimental study and modelling

Field methods

• rainfall
• discharge
• soil moisture
• ground water dynamics
• throughfall
• soil physics
• tracer experiments
• stream water chemistry
• Piedra Santa catchment

Hydrology of the Tres Arroyos in Malalcahuello, Chile

Rainfall measurements

• Rainfall was measured with 4 tipping bucket raingauges (3 near the upper catchment boundary at approx. 1700-1800 m, one in the valley at 1080 m.a.s.l.) with a resolution of 0.27 mm. Areal precipitation was calculated with Thiessen polygons.
• A climate station run by the Universidad Austral de Chile is located in a nearby forest plantation. This climate station measures rainfall, temperature, relative humidity, wind direction and velocity as well as snow height and global radiation at hourly intervals.