GEOMATICS NZ has been involved in surveys on the Hurunui; Waiau; Waitaki; Rakaia; Avon; Taieri; and the Kawarau Rivers. Using RTK GNSS and robotic total station positioning techniques, combined with single beam echo sounding we have produced accurate river profiles and bathymetric plots.

Below:  Plan view of cross sections along approximately 4Km of the Hurunui River.