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  2. Topography - Wikipedia

    en.wikipedia.org/wiki/Topography

    Topographic survey information is historically based upon the notes of surveyors. They may derive naming and cultural information from other local sources (for example, boundary delineation may be derived from local cadastral mapping). While of historical interest, these field notes inherently include errors and contradictions that later stages ...

  3. International Terrestrial Reference System and Frame

    en.wikipedia.org/wiki/International_Terrestrial...

    GNSS systems: [2] Galileo Terrestrial Reference Frame (GTRF), ITRF2005; own implementation using IGS sites.; GPS just uses WGS 84, ITRF2020 since January 2024 (but used many versions of WGS 84 before), a little modified with International GNSS Service (IGS) implementation, IGS20.

  4. Surveying - Wikipedia

    en.wikipedia.org/wiki/Surveying

    Surveying or land surveying is the technique, profession, art, and science of determining the terrestrial two-dimensional or three-dimensional positions of points and ...

  5. Cadastral surveying - Wikipedia

    en.wikipedia.org/wiki/Cadastral_surveying

    Cadastral surveying is the sub-field of cadastre and surveying that specialises in the establishment and re-establishment of real property boundaries. It involves the physical delineation of property boundaries and determination of dimensions, areas and certain rights associated with properties.

  6. Geomatics - Wikipedia

    en.wikipedia.org/wiki/Geomatics

    A surveyor's shed showing equipment used for geomatics. Geomatics is defined in the ISO/TC 211 series of standards as the "discipline concerned with the collection, distribution, storage, analysis, processing, presentation of geographic data or geographic information". [1]

  7. Total station - Wikipedia

    en.wikipedia.org/wiki/Total_station

    A total station or total station theodolite is an electronic/optical instrument used for surveying and building construction. It is an electronic transit theodolite integrated with electronic distance measurement (EDM) to measure both vertical and horizontal angles and the slope distance from the instrument to a particular point, and an on ...

  8. Construction surveying - Wikipedia

    en.wikipedia.org/wiki/Construction_surveying

    Building Surveying emerged in the 1970s as a profession in the United Kingdom by a group of technically minded General Practice Surveyors. [8] Building Surveying is a recognized profession within Britain and Australia. In Australia in particular, due to risk mitigation/limitation factors the employment of surveyors at all levels of the ...

  9. Geological survey - Wikipedia

    en.wikipedia.org/wiki/Geological_survey

    A geological survey is the systematic investigation of the geology beneath a given piece of ground for the purpose of creating a geological map or model.Geological surveying employs techniques from the traditional walk-over survey, studying outcrops and landforms, to intrusive methods, such as hand augering and machine-driven boreholes, to the use of geophysical techniques and remote sensing ...