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SRD Mapping Activities. Stakeholder Mapping Forum June 5 th and 7 th , 2007 Greenwood Inn & Suites Edmonton & Calgary. SRD Activity Overview. Access Update ATS Geo-Administrative Areas Land Use Framework Base Data Initiative Digital Imagery Hydrography Vegetation Inventory.

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Srd mapping activities

SRD Mapping Activities

Stakeholder Mapping Forum

June 5th and 7th, 2007

Greenwood Inn & Suites

Edmonton & Calgary

Srd activity overview
SRD Activity Overview

  • Access Update

  • ATS

  • Geo-Administrative Areas

  • Land Use Framework Base Data Initiative

    • Digital Imagery

    • Hydrography

    • Vegetation Inventory

Ats structure
ATS Structure


g or c



g - Governing ATS point (MATS)




c - Constructed, calculated ATS point


g or c

g or c


Section boundary

Quarter section boundary

Construction line




g or c

g or c

g or c

g or c


g or c


g or c

g or c


g or c


Alberta Township System Feature Classes

Geo administrative areas
Geo-Administrative Areas

  • Over 100 GeoAdministrative Areas captured to Base Features standard

  • ATS v4.1 reconciliation

    • Linked with update activities

  • Increasing demand for access to SRD/GOA Geo-Administrative Areas

  • Increased availability through AltaLIS

    • Currently 29 areas available

Luf base data initiative
LUF Base Data Initiative

Objective: To provide updated, upgraded or new information related to major base mapping data components:

  • Aerial Photography / Imagery

  • Access

  • Hydrography / Wetlands

  • Watersheds / Hydrocoding

  • Vegetation Inventory

2007 imagery partnership
2007 Imagery Partnership

  • Central Alberta MD/County Partnership

  • Composed of 14 MD/Counties and SRD in Central Alberta

  • Lead Municipality is the County of Wetaskiwin

  • Comprises about 625 twps

  • Digital Image Sensor

    • CIR, Colour, Pan Chromatic, DSM

    • Orthos & Aerial Triangulated Stereo Imagery

Srd mapping activities

Single Line

River or Stream

River Representation

Primary Flow Lines

Arbitrary Flow Connector

Isolated Lake

Medium Rapids

Island in River

River Representation

Primary Flow Line

Single Line

River or Stream

Major River LB

River Representation

Secondary Flow Line

Island in Lake


Closure Line

Large Rapids

Minor Dam (hydrography point event)

Major River RB

Single Line

River or Stream

Lake Representation

Flow Line

Arbitrary Flow Connector

Hydrographic Flow

Flow direction established with Single Line Network and DEM.

It is reviewed to ensure proper flow.

Hydrography networks
Hydrography Networks

  • Two Hydro Networks created

    • Simplified Linear Network + Strahler Order

    • Simplified Linear Network Routes + Hydrocoding

  • Two Hydrocoding Schemas used

    • Alphanumeric code (names, distances and orientation)

    • Numeric code with % distances and implied orientation)

Strahler order coded simplified linear network beaver river sub basin

Sand River

Beaver River

Strahler Order Coded Simplified Linear Network (Beaver River Sub Basin)


  • Access Update of approx. 1300 twps/year

  • Transition to ATS v4.1. Availability of LSD level of detail

  • Additional Geo-Administrative Areas

  • Hydrography Update commenced. Current focus is to complete update by watershed

  • Hydrocoding data created

  • Opportunity to upgrade/replace existing provincial DEM