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  2. Time geography - Wikipedia

    en.wikipedia.org/wiki/Time_geography

    Time geography or time-space geography is an evolving transdisciplinary perspective on spatial and temporal processes and events such as social interaction, ecological interaction, social and environmental change, and biographies of individuals. [1]

  3. Torsten Hägerstrand - Wikipedia

    en.wikipedia.org/wiki/Torsten_Hägerstrand

    More recent geographers have tried to combine time geography with the qualitative research and affective phenomenology of feminist geography. [ 16 ] Development of Hägerstrand's work has continued to form part of the basis for non-representational theory , and a reappraisal of his work by new generations of social scientists [ 17 ] and ...

  4. Geologic time scale - Wikipedia

    en.wikipedia.org/wiki/Geologic_time_scale

    The geologic time scale or geological time scale (GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating that uses chronostratigraphy (the process of relating strata to time) and geochronology (a scientific branch of geology that aims to determine the age of rocks).

  5. Draw (terrain) - Wikipedia

    en.wikipedia.org/wiki/Draw_(terrain)

    A draw, sometimes known as a re-entrant in orienteering, is a terrain feature formed by two parallel ridges or spurs with low ground in between them. The area of low ground itself is the draw, and it is defined by the spurs surrounding it.

  6. Orthographic map projection - Wikipedia

    en.wikipedia.org/wiki/Orthographic_map_projection

    Vitruvius also seems to have devised the term orthographic (from the Greek orthos (= “straight”) and graphē (= “drawing”)) for the projection. However, the name analemma , which also meant a sundial showing latitude and longitude, was the common name until François d'Aguilon of Antwerp promoted its present name in 1613.

  7. History of cartography - Wikipedia

    en.wikipedia.org/wiki/History_of_cartography

    At the present time, computer-based software is dominated by big companies that offer their services to a worldwide public, such as Google Maps, Apple Maps, Bing Maps, National Geographic Maps, ESRI Geographic Information System (GIS), CartoDB, Mapbox, Waze, etc. Many other state-based, regional and smaller initiatives, and companies offer ...

  8. Map projection - Wikipedia

    en.wikipedia.org/wiki/Map_projection

    A medieval depiction of the Ecumene (1482, Johannes Schnitzer, engraver), constructed after the coordinates in Ptolemy's Geography and using his second map projection. In cartography, a map projection is any of a broad set of transformations employed to represent the curved two-dimensional surface of a globe on a plane.

  9. Terrain cartography - Wikipedia

    en.wikipedia.org/wiki/Terrain_cartography

    Terrain or relief is an essential aspect of physical geography, and as such its portrayal presents a central problem in cartographic design, and more recently geographic information systems and geovisualization.