DWR_2982737

• Title: ET WORKSHOP 2016: DEFICIT IRRIGATION OPTIONS IN COLORADO AND NEED FOR ET MONITORING
• Author/Source: JON ALTENHOFEN, P.E.
• Author/Source: NORTHERN COLORADO WATER CONSERVANCY DISTRICT
• Keywords: EVAPOTRANSPIRATION, ADI, DEFICIT IRRIGATION, BUY AND DRY, GROUNDWATER, RETURN FLOWS, MONITORING
• Document Type - Reference Library: Presentations
• Document Date: 10/13/2016
• Year: 2016
• Team/Office: Modeling

Colorado Context for ADI:

Prior Appropriation Doctrine, a Tributary Aquifer and the Colorado
Water Court System

S. Platte River Basin defined by returnflow hydrology—gaining
river (5 to 10 cfs per mile) from draining tributary aquifer;
downstream water rights depend on returnflows and all changes
must be augmented