Water quality / ecosystem health / water colour River stage / water surface elevation

Water quality / algal blooms River / channel transmission losses

Water quality / small water bodies River channel / floodplain connectivity

Lake / reservoir / estuary temperature River discharge

Lake volumetric fluctuations Groundwater discharge into river / stream

Floods extent Groundwater recharge

River delta / saline intrusion Groundwater storage

River sediments Groundwater use for irrigation