Alberta Environment and Protected Areas – Base Hydrography Updates

Client:

Alberta Environment and Protected Areas

Location:

Alberta, Canada

Dates:

June 2020 – July 2023

Background:

Under the land use framework (LUF) the province of Alberta intends to collect, update, and upgrade land-based information to support effective land use decisions. The provincial Base Hydrography is a core geospatial dataset that provides the underlying reference framework and context for land use decision making. To modernize these critical datasets, Alberta Environment and Protected Areas (AEPA) wanted to update polygon, line and point spatial and attribute data, and ensure these datasets conform to provincial specifications and formats. Updates to the Base Hydrography geospatial data used available digital orthophotography complemented by satellite imagery (SPOT-6/7) and other pertinent data sources, including Grassland Vegetation Inventory (GVI), Primary Land and Vegetation Inventory (PLVI), and Alberta Vegetation Inventory (AVI) where applicable.

Services Provided:

Hatfield provided technical geomatics services to AEPA by updating the Base Hydrography datasets for 6.9 million hectares, using the provincial Base Hydrography Update Specification v2.5. Extensive QA/QC procedures were implemented including automated ArcPy scripts to validate topology, attribution, and network consistency. Other roles fulfilled by Hatfield included project management and coordination with AEPA to ensure timely delivery of products per contractual deadlines.