Description: Catchment boundaries within the Canterbury region. Created originally by Landcare NZ, and modified for consent purposes. Each catchment is assigned a hierarchical identification number which relates its position within parent catchments. This layer is best used at scales greater than 1:50,000.
Description: Flows: 50 Year ARI flow in the Mason River (460 m3/sec) combined with a 10 Year ARI flow in the Waiau River (1,300 m3/sec). 50 Year ARI flows in the Lyndon area streams and Parnassus Street Drain. Stopbank Breaches: Mason River - No stopbank breach. Waiau River - No stopbank breach. Topo: 2013 LiDAR (used for cross sections and grid).
Service Item Id: 2c5104350f314d9ea290d348b0695e4b
Copyright Text: Produced by ECan (Michelle Wild) - June 2015
Description: Flows: 200 Year ARI flow in the Mason River (580 m3/sec) combined with a 20 Year ARI flow in the Waiau River (1,460 m3/sec). 200 Year ARI flows in the Lyndon area streams and Parnassus Street Drain. Stopbank Breaches: Mason River - 40 m long TLB stopbank breach (flow not calculated). Waiau River - No stopbank breach. Topo: 2013 LiDAR (used for cross sections and grid).
Service Item Id: 2c5104350f314d9ea290d348b0695e4b
Copyright Text: Produced by ECan (Michelle Wild) - June 2015
Description: Flows: 50Year ARI flow in the Waiau River (1,700 m3/sec) combined with a mean annual flow in the Mason River (160 m3/sec). Mean annual flows in the Lyndon area streams and Parnassus Street Drain. Stopbank Breaches: Waiau River - 100 m long TLB stopbank breach (flow not calculated). Mason River - No stopbank breach. Topo: 2013 LiDAR (used for cross sections and grid).
Service Item Id: 2c5104350f314d9ea290d348b0695e4b
Copyright Text: Produced by ECan (Michelle Wild) - June 2015
Description: Flows: 200 Year ARI flow in the Waiau River (2,000 m3/sec) combined with a mean annual flow in the Mason River (160 m3/sec). Mean annual flows in the Lyndon area streams and Parnassus Street Drain. Stopbank Breaches: Waiau River - 100 m long TLB stopbank breach (flow not calculated). Mason River - No stopbank breach. Topo: 2013 LiDAR (used for cross sections and grid).
Service Item Id: 2c5104350f314d9ea290d348b0695e4b
Copyright Text: Produced by ECan (Michelle Wild) - June 2015
Description: Method: Raster derived by calculating seperate depth x velocity rasters from the 500 Year ARI Waiau River and Mason River results. This raster contains the maximum values from the two depth x velocity rasters and the two original depth rasters. Topo: 2013 LiDAR (used for cross sections and grid).
Service Item Id: 2c5104350f314d9ea290d348b0695e4b
Copyright Text: Produced June 2016 by ECan (Nick Griffiths) from the ECan - June 2015 results.
Description: Generated from 'waiau_5m_crop_20141223_v4.dfs2'. Grid used for the 50 Year ARI Mason River flood scenario. Alternative grids used for scenarios where stopbank breaches were required.
Service Item Id: 2c5104350f314d9ea290d348b0695e4b
Copyright Text: Produced by ECan (Michelle Wild) - June 2015