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TitleThe Canadian Geodetic Vertical Datum of 2013 (CGVD2013)
AuthorVeronneau, M; Huang, J
SourceGeomatica 70, 1, 2016., https://doi.org/10.5623/cig2016-101
Year2016
Alt SeriesEarth Sciences Sector, Contribution Series 20150429
PublisherCanadian Institute of Geomatics
Documentserial
Lang.English
Mediapaper; on-line; digital
ProvinceCanada; British Columbia; Alberta; Saskatchewan; Manitoba; Ontario; Quebec; New Brunswick; Nova Scotia; Prince Edward Island; Newfoundland and Labrador; Northwest Territories; Yukon; Nunavut
NTS1; 2; 3; 10; 11; 12; 13; 14; 15; 16; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 52; 53; 54; 55; 56; 57; 58; 59; 62; 63; 64; 65; 66; 67; 68; 69; 72; 73; 74; 75; 76; 77; 78; 79; 82; 83; 84; 85; 86; 87; 88; 89; 92; 93; 94; 95; 96; 97; 98; 99; 102; 103; 104; 105; 106; 107; 114O; 114P; 115; 116; 117; 120; 340; 560
Lat/Long WENS-141.0000 -50.0000 90.0000 41.7500
Subjectsgeophysics; mathematical and computational geology; structural geology; tectonics; geodetic networks; geodesy; satellite geodesy; sea level changes; sea level fluctuations; seabottom topography; seafloor topography; isostatic rebound; gravity surveys; gravity surveys, airborne
Illustrationsgraphs; tables; location maps; geophysical images
ProgramGeodetic Survey, Canadian Spatial Reference System
Released2016 04 27
AbstractThe Canadian Geodetic Vertical Datum of 2013 (CGVD2013) is the first major update to the vertical datum in Canada in almost 100 years. Canada is not only moving to a new vertical datum, but it is also using a modernized approach to realize it. The modernization of the height reference system is necessary to make it compatible with Global Navigation Satellite System (GNSS), which is commonly used for positioning by a growing number of users across Canada and the world. The geodetic levelling technique, which established a nation-wide network of benchmarks with known elevations, is replaced by a geoid model that describes the vertical datum with respect to an ellipsoid, which is the reference surface for GNSS positioning. Technically, height modernisation replaces the need for the maintenance of benchmarks as users can now install their own markers at more convenient locations using GNSS. The current geoid model for CGVD2013 is the Canadian Gravimetric Geoid 2013 (CGG2013).
Summary(Plain Language Summary, not published)
This paper provides a summary of the definition and realisation of a new height system for Canada: the Canadian Geodetic Vertical Datum of 2013. It is the first major national update to the height system since the formal adoption of the Canadian Geodetic Vertical Datum of 1928 by a 1935 Order in Council. The new height system is compatible with satellite positioning systems such as GPS and provides a uniform vertical datum (zero elevation reference surface) across Canada. CGVD2013 replaces the former CGVD28 datum based on some 80,000 benchmarks with published elevations distributed along major roads and railways found mainly in southern Canada.
GEOSCAN ID297600