Digital Data 2008-0857

Twin Lakes, Alberta - Boundary (GIS data, polygon features)

Authors: Alberta Environment

Executive Summary

All available bathymetry and related information for Twin Lakes were collected and hard copy maps digitized where necessary. The data were validated against more recent data (Shuttle Radar Topography Mission 'SRTM' imagery and Indian Remote Sensing 'IRS' imagery) and corrected where necessary. The published data set contains the lake bathymetry formatted as an Arc ascii grid. Bathymetric contours and the boundary polygon are available as shapefiles.

Place Keywords: 83b; alberta; canada; twin lakes

Theme Keywords: bathymetry; dem; gis data; lakes