Description: Updated from LINZ data service NZ Lake Polygons (Topo, 1:50k) Any standing body of fresh inland water.This layer is a component of the Topo50 map series. The Topo50 map series provides topographic mapping for the New Zealand mainland, Chatham and New Zealand's offshore islands, at 1:50,000 scale.Further information on Topo50: www.linz.govt.nz/topography/topo-maps/topo50Date updated: 6/07/2023
Name: E.coli Yield: giga (10^9) E.coli per hectare per year
Display Field: nzsegment
Type: Feature Layer
Geometry Type: esriGeometryPolyline
Description: Attributes associated directly with network:FieldTypeDescriptionCatareaRealWatershed area in m2CUM_Area RealArea upstream of a reach (and including this reach area) in m2.NzsegmentIntegerReach identifier to be used with REC2 (supercedes nzreach in REC1).nz_fnodeIntegerUnique number of preceding river segment's outlet node.nz_tnodeIntegerUnique number of following river segment's inlet node.LengthdownRealThe distance to coast from any reach to its outlet reach, where the river drains (m).HeadwaterIntegerNumber (0) denoting whether a stream is a “source” (headwater) stream. Non-zero for non-headwater streams.HydseqIntegerA unique number denoting the hydrological processing order of a river segment relative to others in the newtork.StreamOrderIntegerA number describing the Strahler order a reach in a network of reaches.euclid_distRealThe straight line distance of a reach from the reach “inlet” to its “outlet”.upElevRealHeight (asl) of the upstream end of a reach section in a watershed (m).downElevRealHeight (asl) of the downstream end of a reach section in a watershed (m).upcoordXRealEasting of the upstream end of a river segment in m (NZTM2000).upcoordYRealNorthing of the upstream end of a river segment in m (NZTM2000).downcoordXRealEasting of the downstream end of a river segment in m (NZTM2000).downcoordYRealNorthing of the downstream end of a river segment in m (NZTM2000).sinuosityRealActual distance divided by the straight line distancegiving the degree of curvature of the streamnzreach_rec1IntegerThe REC1 identifiying number for the corresponding\closest reach from REC1 (can be used to retrieve the REC management classes)headw_distIntegerDistance of the furthermost “source” or headwater reach from any reach (m).Shape_lengthRealThe length of the reach (vector) as calculated by ArcGIS.SegslpmaxRealMaximum segment slope along length of reach.SegslpmeanRealMean segment slope along length of reach.LIDIntegerLake Identifier number(LID) of overlapping lake.ReachtypeIntegerA value of 2 is assigned if the segment is an outlet to the lake, otherwise 0 or null.
Name: Percentage of time E.coli exceeds 540 per 100mL
Display Field: nzsegment
Type: Feature Layer
Geometry Type: esriGeometryPolyline
Description: Attributes associated directly with network:FieldTypeDescriptionCatareaRealWatershed area in m2CUM_Area RealArea upstream of a reach (and including this reach area) in m2.NzsegmentIntegerReach identifier to be used with REC2 (supercedes nzreach in REC1).nz_fnodeIntegerUnique number of preceding river segment's outlet node.nz_tnodeIntegerUnique number of following river segment's inlet node.LengthdownRealThe distance to coast from any reach to its outlet reach, where the river drains (m).HeadwaterIntegerNumber (0) denoting whether a stream is a “source” (headwater) stream. Non-zero for non-headwater streams.HydseqIntegerA unique number denoting the hydrological processing order of a river segment relative to others in the newtork.StreamOrderIntegerA number describing the Strahler order a reach in a network of reaches.euclid_distRealThe straight line distance of a reach from the reach “inlet” to its “outlet”.upElevRealHeight (asl) of the upstream end of a reach section in a watershed (m).downElevRealHeight (asl) of the downstream end of a reach section in a watershed (m).upcoordXRealEasting of the upstream end of a river segment in m (NZTM2000).upcoordYRealNorthing of the upstream end of a river segment in m (NZTM2000).downcoordXRealEasting of the downstream end of a river segment in m (NZTM2000).downcoordYRealNorthing of the downstream end of a river segment in m (NZTM2000).sinuosityRealActual distance divided by the straight line distancegiving the degree of curvature of the streamnzreach_rec1IntegerThe REC1 identifiying number for the corresponding\closest reach from REC1 (can be used to retrieve the REC management classes)headw_distIntegerDistance of the furthermost “source” or headwater reach from any reach (m).Shape_lengthRealThe length of the reach (vector) as calculated by ArcGIS.SegslpmaxRealMaximum segment slope along length of reach.SegslpmeanRealMean segment slope along length of reach.LIDIntegerLake Identifier number(LID) of overlapping lake.ReachtypeIntegerA value of 2 is assigned if the segment is an outlet to the lake, otherwise 0 or null.
Name: Percentage of time E.coli exceeds 260 per 100mL
Display Field: nzsegment
Type: Feature Layer
Geometry Type: esriGeometryPolyline
Description: Attributes associated directly with network:FieldTypeDescriptionCatareaRealWatershed area in m2CUM_Area RealArea upstream of a reach (and including this reach area) in m2.NzsegmentIntegerReach identifier to be used with REC2 (supercedes nzreach in REC1).nz_fnodeIntegerUnique number of preceding river segment's outlet node.nz_tnodeIntegerUnique number of following river segment's inlet node.LengthdownRealThe distance to coast from any reach to its outlet reach, where the river drains (m).HeadwaterIntegerNumber (0) denoting whether a stream is a “source” (headwater) stream. Non-zero for non-headwater streams.HydseqIntegerA unique number denoting the hydrological processing order of a river segment relative to others in the newtork.StreamOrderIntegerA number describing the Strahler order a reach in a network of reaches.euclid_distRealThe straight line distance of a reach from the reach “inlet” to its “outlet”.upElevRealHeight (asl) of the upstream end of a reach section in a watershed (m).downElevRealHeight (asl) of the downstream end of a reach section in a watershed (m).upcoordXRealEasting of the upstream end of a river segment in m (NZTM2000).upcoordYRealNorthing of the upstream end of a river segment in m (NZTM2000).downcoordXRealEasting of the downstream end of a river segment in m (NZTM2000).downcoordYRealNorthing of the downstream end of a river segment in m (NZTM2000).sinuosityRealActual distance divided by the straight line distancegiving the degree of curvature of the streamnzreach_rec1IntegerThe REC1 identifiying number for the corresponding\closest reach from REC1 (can be used to retrieve the REC management classes)headw_distIntegerDistance of the furthermost “source” or headwater reach from any reach (m).Shape_lengthRealThe length of the reach (vector) as calculated by ArcGIS.SegslpmaxRealMaximum segment slope along length of reach.SegslpmeanRealMean segment slope along length of reach.LIDIntegerLake Identifier number(LID) of overlapping lake.ReachtypeIntegerA value of 2 is assigned if the segment is an outlet to the lake, otherwise 0 or null.
Description: Attributes associated directly with network:FieldTypeDescriptionCatareaRealWatershed area in m2CUM_Area RealArea upstream of a reach (and including this reach area) in m2.NzsegmentIntegerReach identifier to be used with REC2 (supercedes nzreach in REC1).nz_fnodeIntegerUnique number of preceding river segment's outlet node.nz_tnodeIntegerUnique number of following river segment's inlet node.LengthdownRealThe distance to coast from any reach to its outlet reach, where the river drains (m).HeadwaterIntegerNumber (0) denoting whether a stream is a “source” (headwater) stream. Non-zero for non-headwater streams.HydseqIntegerA unique number denoting the hydrological processing order of a river segment relative to others in the newtork.StreamOrderIntegerA number describing the Strahler order a reach in a network of reaches.euclid_distRealThe straight line distance of a reach from the reach “inlet” to its “outlet”.upElevRealHeight (asl) of the upstream end of a reach section in a watershed (m).downElevRealHeight (asl) of the downstream end of a reach section in a watershed (m).upcoordXRealEasting of the upstream end of a river segment in m (NZTM2000).upcoordYRealNorthing of the upstream end of a river segment in m (NZTM2000).downcoordXRealEasting of the downstream end of a river segment in m (NZTM2000).downcoordYRealNorthing of the downstream end of a river segment in m (NZTM2000).sinuosityRealActual distance divided by the straight line distancegiving the degree of curvature of the streamnzreach_rec1IntegerThe REC1 identifiying number for the corresponding\closest reach from REC1 (can be used to retrieve the REC management classes)headw_distIntegerDistance of the furthermost “source” or headwater reach from any reach (m).Shape_lengthRealThe length of the reach (vector) as calculated by ArcGIS.SegslpmaxRealMaximum segment slope along length of reach.SegslpmeanRealMean segment slope along length of reach.LIDIntegerLake Identifier number(LID) of overlapping lake.ReachtypeIntegerA value of 2 is assigned if the segment is an outlet to the lake, otherwise 0 or null.
Description: Attributes associated directly with network:FieldTypeDescriptionCatareaRealWatershed area in m2CUM_Area RealArea upstream of a reach (and including this reach area) in m2.NzsegmentIntegerReach identifier to be used with REC2 (supercedes nzreach in REC1).nz_fnodeIntegerUnique number of preceding river segment's outlet node.nz_tnodeIntegerUnique number of following river segment's inlet node.LengthdownRealThe distance to coast from any reach to its outlet reach, where the river drains (m).HeadwaterIntegerNumber (0) denoting whether a stream is a “source” (headwater) stream. Non-zero for non-headwater streams.HydseqIntegerA unique number denoting the hydrological processing order of a river segment relative to others in the newtork.StreamOrderIntegerA number describing the Strahler order a reach in a network of reaches.euclid_distRealThe straight line distance of a reach from the reach “inlet” to its “outlet”.upElevRealHeight (asl) of the upstream end of a reach section in a watershed (m).downElevRealHeight (asl) of the downstream end of a reach section in a watershed (m).upcoordXRealEasting of the upstream end of a river segment in m (NZTM2000).upcoordYRealNorthing of the upstream end of a river segment in m (NZTM2000).downcoordXRealEasting of the downstream end of a river segment in m (NZTM2000).downcoordYRealNorthing of the downstream end of a river segment in m (NZTM2000).sinuosityRealActual distance divided by the straight line distancegiving the degree of curvature of the streamnzreach_rec1IntegerThe REC1 identifiying number for the corresponding\closest reach from REC1 (can be used to retrieve the REC management classes)headw_distIntegerDistance of the furthermost “source” or headwater reach from any reach (m).Shape_lengthRealThe length of the reach (vector) as calculated by ArcGIS.SegslpmaxRealMaximum segment slope along length of reach.SegslpmeanRealMean segment slope along length of reach.LIDIntegerLake Identifier number(LID) of overlapping lake.ReachtypeIntegerA value of 2 is assigned if the segment is an outlet to the lake, otherwise 0 or null.
Description: Attributes associated directly with network:FieldTypeDescriptionCatareaRealWatershed area in m2CUM_Area RealArea upstream of a reach (and including this reach area) in m2.NzsegmentIntegerReach identifier to be used with REC2 (supercedes nzreach in REC1).nz_fnodeIntegerUnique number of preceding river segment's outlet node.nz_tnodeIntegerUnique number of following river segment's inlet node.LengthdownRealThe distance to coast from any reach to its outlet reach, where the river drains (m).HeadwaterIntegerNumber (0) denoting whether a stream is a “source” (headwater) stream. Non-zero for non-headwater streams.HydseqIntegerA unique number denoting the hydrological processing order of a river segment relative to others in the newtork.StreamOrderIntegerA number describing the Strahler order a reach in a network of reaches.euclid_distRealThe straight line distance of a reach from the reach “inlet” to its “outlet”.upElevRealHeight (asl) of the upstream end of a reach section in a watershed (m).downElevRealHeight (asl) of the downstream end of a reach section in a watershed (m).upcoordXRealEasting of the upstream end of a river segment in m (NZTM2000).upcoordYRealNorthing of the upstream end of a river segment in m (NZTM2000).downcoordXRealEasting of the downstream end of a river segment in m (NZTM2000).downcoordYRealNorthing of the downstream end of a river segment in m (NZTM2000).sinuosityRealActual distance divided by the straight line distancegiving the degree of curvature of the streamnzreach_rec1IntegerThe REC1 identifiying number for the corresponding\closest reach from REC1 (can be used to retrieve the REC management classes)headw_distIntegerDistance of the furthermost “source” or headwater reach from any reach (m).Shape_lengthRealThe length of the reach (vector) as calculated by ArcGIS.SegslpmaxRealMaximum segment slope along length of reach.SegslpmeanRealMean segment slope along length of reach.LIDIntegerLake Identifier number(LID) of overlapping lake.ReachtypeIntegerA value of 2 is assigned if the segment is an outlet to the lake, otherwise 0 or null.
Description: Attributes associated directly with network:FieldTypeDescriptionCatareaRealWatershed area in m2CUM_Area RealArea upstream of a reach (and including this reach area) in m2.NzsegmentIntegerReach identifier to be used with REC2 (supercedes nzreach in REC1).nz_fnodeIntegerUnique number of preceding river segment's outlet node.nz_tnodeIntegerUnique number of following river segment's inlet node.LengthdownRealThe distance to coast from any reach to its outlet reach, where the river drains (m).HeadwaterIntegerNumber (0) denoting whether a stream is a “source” (headwater) stream. Non-zero for non-headwater streams.HydseqIntegerA unique number denoting the hydrological processing order of a river segment relative to others in the newtork.StreamOrderIntegerA number describing the Strahler order a reach in a network of reaches.euclid_distRealThe straight line distance of a reach from the reach “inlet” to its “outlet”.upElevRealHeight (asl) of the upstream end of a reach section in a watershed (m).downElevRealHeight (asl) of the downstream end of a reach section in a watershed (m).upcoordXRealEasting of the upstream end of a river segment in m (NZTM2000).upcoordYRealNorthing of the upstream end of a river segment in m (NZTM2000).downcoordXRealEasting of the downstream end of a river segment in m (NZTM2000).downcoordYRealNorthing of the downstream end of a river segment in m (NZTM2000).sinuosityRealActual distance divided by the straight line distancegiving the degree of curvature of the streamnzreach_rec1IntegerThe REC1 identifiying number for the corresponding\closest reach from REC1 (can be used to retrieve the REC management classes)headw_distIntegerDistance of the furthermost “source” or headwater reach from any reach (m).Shape_lengthRealThe length of the reach (vector) as calculated by ArcGIS.SegslpmaxRealMaximum segment slope along length of reach.SegslpmeanRealMean segment slope along length of reach.LIDIntegerLake Identifier number(LID) of overlapping lake.ReachtypeIntegerA value of 2 is assigned if the segment is an outlet to the lake, otherwise 0 or null.
Description: Attributes associated directly with network:FieldTypeDescriptionCatareaRealWatershed area in m2CUM_Area RealArea upstream of a reach (and including this reach area) in m2.NzsegmentIntegerReach identifier to be used with REC2 (supercedes nzreach in REC1).nz_fnodeIntegerUnique number of preceding river segment's outlet node.nz_tnodeIntegerUnique number of following river segment's inlet node.LengthdownRealThe distance to coast from any reach to its outlet reach, where the river drains (m).HeadwaterIntegerNumber (0) denoting whether a stream is a “source” (headwater) stream. Non-zero for non-headwater streams.HydseqIntegerA unique number denoting the hydrological processing order of a river segment relative to others in the newtork.StreamOrderIntegerA number describing the Strahler order a reach in a network of reaches.euclid_distRealThe straight line distance of a reach from the reach “inlet” to its “outlet”.upElevRealHeight (asl) of the upstream end of a reach section in a watershed (m).downElevRealHeight (asl) of the downstream end of a reach section in a watershed (m).upcoordXRealEasting of the upstream end of a river segment in m (NZTM2000).upcoordYRealNorthing of the upstream end of a river segment in m (NZTM2000).downcoordXRealEasting of the downstream end of a river segment in m (NZTM2000).downcoordYRealNorthing of the downstream end of a river segment in m (NZTM2000).sinuosityRealActual distance divided by the straight line distancegiving the degree of curvature of the streamnzreach_rec1IntegerThe REC1 identifiying number for the corresponding\closest reach from REC1 (can be used to retrieve the REC management classes)headw_distIntegerDistance of the furthermost “source” or headwater reach from any reach (m).Shape_lengthRealThe length of the reach (vector) as calculated by ArcGIS.SegslpmaxRealMaximum segment slope along length of reach.SegslpmeanRealMean segment slope along length of reach.LIDIntegerLake Identifier number(LID) of overlapping lake.ReachtypeIntegerA value of 2 is assigned if the segment is an outlet to the lake, otherwise 0 or null.
Description: Attributes associated directly with network:FieldTypeDescriptionCatareaRealWatershed area in m2CUM_Area RealArea upstream of a reach (and including this reach area) in m2.NzsegmentIntegerReach identifier to be used with REC2 (supercedes nzreach in REC1).nz_fnodeIntegerUnique number of preceding river segment's outlet node.nz_tnodeIntegerUnique number of following river segment's inlet node.LengthdownRealThe distance to coast from any reach to its outlet reach, where the river drains (m).HeadwaterIntegerNumber (0) denoting whether a stream is a “source” (headwater) stream. Non-zero for non-headwater streams.HydseqIntegerA unique number denoting the hydrological processing order of a river segment relative to others in the newtork.StreamOrderIntegerA number describing the Strahler order a reach in a network of reaches.euclid_distRealThe straight line distance of a reach from the reach “inlet” to its “outlet”.upElevRealHeight (asl) of the upstream end of a reach section in a watershed (m).downElevRealHeight (asl) of the downstream end of a reach section in a watershed (m).upcoordXRealEasting of the upstream end of a river segment in m (NZTM2000).upcoordYRealNorthing of the upstream end of a river segment in m (NZTM2000).downcoordXRealEasting of the downstream end of a river segment in m (NZTM2000).downcoordYRealNorthing of the downstream end of a river segment in m (NZTM2000).sinuosityRealActual distance divided by the straight line distancegiving the degree of curvature of the streamnzreach_rec1IntegerThe REC1 identifiying number for the corresponding\closest reach from REC1 (can be used to retrieve the REC management classes)headw_distIntegerDistance of the furthermost “source” or headwater reach from any reach (m).Shape_lengthRealThe length of the reach (vector) as calculated by ArcGIS.SegslpmaxRealMaximum segment slope along length of reach.SegslpmeanRealMean segment slope along length of reach.LIDIntegerLake Identifier number(LID) of overlapping lake.ReachtypeIntegerA value of 2 is assigned if the segment is an outlet to the lake, otherwise 0 or null.
Description: Attributes associated directly with network:FieldTypeDescriptionCatareaRealWatershed area in m2CUM_Area RealArea upstream of a reach (and including this reach area) in m2.NzsegmentIntegerReach identifier to be used with REC2 (supercedes nzreach in REC1).nz_fnodeIntegerUnique number of preceding river segment's outlet node.nz_tnodeIntegerUnique number of following river segment's inlet node.LengthdownRealThe distance to coast from any reach to its outlet reach, where the river drains (m).HeadwaterIntegerNumber (0) denoting whether a stream is a “source” (headwater) stream. Non-zero for non-headwater streams.HydseqIntegerA unique number denoting the hydrological processing order of a river segment relative to others in the newtork.StreamOrderIntegerA number describing the Strahler order a reach in a network of reaches.euclid_distRealThe straight line distance of a reach from the reach “inlet” to its “outlet”.upElevRealHeight (asl) of the upstream end of a reach section in a watershed (m).downElevRealHeight (asl) of the downstream end of a reach section in a watershed (m).upcoordXRealEasting of the upstream end of a river segment in m (NZTM2000).upcoordYRealNorthing of the upstream end of a river segment in m (NZTM2000).downcoordXRealEasting of the downstream end of a river segment in m (NZTM2000).downcoordYRealNorthing of the downstream end of a river segment in m (NZTM2000).sinuosityRealActual distance divided by the straight line distancegiving the degree of curvature of the streamnzreach_rec1IntegerThe REC1 identifiying number for the corresponding\closest reach from REC1 (can be used to retrieve the REC management classes)headw_distIntegerDistance of the furthermost “source” or headwater reach from any reach (m).Shape_lengthRealThe length of the reach (vector) as calculated by ArcGIS.SegslpmaxRealMaximum segment slope along length of reach.SegslpmeanRealMean segment slope along length of reach.LIDIntegerLake Identifier number(LID) of overlapping lake.ReachtypeIntegerA value of 2 is assigned if the segment is an outlet to the lake, otherwise 0 or null.
Description: Attributes associated directly with network:FieldTypeDescriptionCatareaRealWatershed area in m2CUM_Area RealArea upstream of a reach (and including this reach area) in m2.NzsegmentIntegerReach identifier to be used with REC2 (supercedes nzreach in REC1).nz_fnodeIntegerUnique number of preceding river segment's outlet node.nz_tnodeIntegerUnique number of following river segment's inlet node.LengthdownRealThe distance to coast from any reach to its outlet reach, where the river drains (m).HeadwaterIntegerNumber (0) denoting whether a stream is a “source” (headwater) stream. Non-zero for non-headwater streams.HydseqIntegerA unique number denoting the hydrological processing order of a river segment relative to others in the newtork.StreamOrderIntegerA number describing the Strahler order a reach in a network of reaches.euclid_distRealThe straight line distance of a reach from the reach “inlet” to its “outlet”.upElevRealHeight (asl) of the upstream end of a reach section in a watershed (m).downElevRealHeight (asl) of the downstream end of a reach section in a watershed (m).upcoordXRealEasting of the upstream end of a river segment in m (NZTM2000).upcoordYRealNorthing of the upstream end of a river segment in m (NZTM2000).downcoordXRealEasting of the downstream end of a river segment in m (NZTM2000).downcoordYRealNorthing of the downstream end of a river segment in m (NZTM2000).sinuosityRealActual distance divided by the straight line distancegiving the degree of curvature of the streamnzreach_rec1IntegerThe REC1 identifiying number for the corresponding\closest reach from REC1 (can be used to retrieve the REC management classes)headw_distIntegerDistance of the furthermost “source” or headwater reach from any reach (m).Shape_lengthRealThe length of the reach (vector) as calculated by ArcGIS.SegslpmaxRealMaximum segment slope along length of reach.SegslpmeanRealMean segment slope along length of reach.LIDIntegerLake Identifier number(LID) of overlapping lake.ReachtypeIntegerA value of 2 is assigned if the segment is an outlet to the lake, otherwise 0 or null.