HOAL Petzenkirchen
Hydrology Open Air Laboratory (HOAL) (in preparation)
Location
The catchment is situated in Petzenkirchen, in the western part of Lower Austria (15° 9’ E, 48° 8’ N).
Catchment size
The catchment area is 64 ha.
Climate
The climate can be characterised as humid with a mean annual temperature of 9.3 °C and a mean annual precipitation of around 750 mm. Mean annual flow from the catchment is about 4 l.s-1 and increased up to 2000 l.s-1 during a flood event in the 1980s. Catchment evapotranspiration varied from about 400 to 700 mm/yr in the period 2000-2009.
Geology
Topography
The elevation of the catchment ranges from 268 to 323 m a.s.l. with a mean slope of 8%.
Vegetation/Land use
At present, 87% of the catchment area is arable land, 5% is used as pasture, 6% is forested and 2% is paved. The crops are mainly winter wheat and maize.