Controlled drainage under two climate change scenarios in a flat high-latitude field

Abstract This simulation study focused on the hydrological effects of climate change and controlled drainage operated with subsurface drains an open collector ditch in agricultural field. The objective was to understand potential schemes for managing groundwater levels field water balance conditions projected take place Finland during 21st century representative concentration pathways 8.5 2.6. A methodological aim find ways condense hourly results future changes hydrology. During historical reference interval (1970–2005), caused 17–36 cm higher mean decreased annual drain discharge by 11–23% compared conventional drainage. Controlled increase additional 1–4 its effect interval. did not significantly. lowered tables diminished vicinity ditch. shown remain effective method countering early summer drought reducing discharge.