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Overland_Flow_Paths (FeatureServer)

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Service Description: Used across Council in areas such as stormwater design and management, hydraulic modelling, flood risk assessments, and for regulatory purposes. The layer is also included in property LIM (Land Information Memorandum) reports.

Service ItemId: 8217a19b1079402bbd026f5a869e8eed

Has Versioned Data: false

Max Record Count: 2000

Supported query Formats: JSON

Supports applyEdits with GlobalIds: True

Supports Shared Templates: False

All Layers and Tables

Layers:

Description:

<DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Predicted natural flow path of water over the ground when the stormwater network is overloaded. This layer is a dissolved version of the OverlandFlowPaths layer where each segment is classified by its upstream catchment area, which will fall into one of the following ranges:</SPAN></SPAN></P><UL STYLE="margin:0 0 0 0;padding:0 0 0 0;"><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>2000-4000 m2</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>4000 m2 to 1 Ha</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>1–3 Ha</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>3–100 Ha</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>&gt;100 Ha</SPAN></SPAN></P></LI></UL><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>The layer is an update of an existing layer and was created by WSP Opus in 2019.</SPAN></SPAN></P><P STYLE="font-style:italic;margin:0 0 11 0;"><SPAN><SPAN>Lineage</SPAN></SPAN></P><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>The OverlandFlowPaths layer is based on Auckland Council’s latest LiDAR data, which was flown in 2016 and became available after processing in 2018. The 2016 LiDAR data had a much higher point density (4 points per m2) than previous versions, which should result in more accurate flow paths. The layer was generated using the D8 flow model algorithm in ArcGIS. </SPAN></SPAN></P><P STYLE="font-style:italic;margin:0 0 11 0;"><SPAN><SPAN>Creation date</SPAN></SPAN></P><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Finalised in July 2019</SPAN></SPAN></P><P STYLE="font-style:italic;margin:0 0 11 0;"><SPAN><SPAN>Update cycle</SPAN></SPAN></P><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Whenever Auckland Council’s LiDAR has been updated, if possible.</SPAN></SPAN></P><P STYLE="font-style:italic;margin:0 0 11 0;"><SPAN><SPAN>Contact Person</SPAN></SPAN></P><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Mahesh Patel</SPAN></SPAN></P><P STYLE="font-style:italic;margin:0 0 11 0;"><SPAN><SPAN>Contact Position</SPAN></SPAN></P><P STYLE="margin:0 0 11 0;"><SPAN>Senior Healthy Waters Specialist</SPAN></P><P><SPAN /></P></DIV></DIV></DIV>



Copyright Text: Auckland Council

Spatial Reference: 2193 (2193)

Initial Extent:
Full Extent:
Units: esriMeters

Child Resources:   Info

Supported Operations:   Query   ConvertFormat   Get Estimates   Create Replica