Geographical Base

Geographical Base

 

or geographic base of a map, elements of a thematic map that are not part of its special content. The geographic base facilitates orientation and the elucidation of laws governing the distribution of the phenomena relating to the map’s theme. The theme and purpose of a map determine the content and character of the geographic base. On small-scale thematic maps of the world and of continents the geographic base is frequently restricted to the depiction of the coastline, major rivers and lakes, and large cities. On maps with larger scales the geographic base may also indicate such phenomena as vegetation, relief, lines of communication, political and administrative boundaries, glaciers, and swamps. The geographic base is particularly detailed and graphic on maps designed for practical use, where it ensures the spatial localization of depicted phenomena.

In the compilation of thematic maps the geographic base serves as a kind of framework for cartographic representation and the plotting of specific content. In the compilation of serial thematic maps and atlases a standard geographic base is often prepared, which is then used for a number of interrelated maps.

IU. G. KEL’NER

References in periodicals archive ?
IFA Real Estate Services operates and manages commercial, residential and hospitality assets over a diverse geographical base across four continents.
The Bank's already good profitability continued to improve at both operating and net levels, reflecting multiple sources of revenue derived from a reasonably diversified geographical base and product mix.
Presenting tracks from their album World Without Words, the band will attempt to incorporate "the wider tonal spectrum that influences the Trio's geographical base of Nicosia into the global character of that music which thrives on improvisation.
Narrow,' because our economic growth had a narrow sectoral and geographical base.
But our geographical base will largely be the same-eastern UP and Bihar.
Meanwhile, Cellnex CEO Tobas Martnez observed that the acquisition of Shere bolsters Cellnex both in terms of expansion and the diversification of our customer base, which already includes a majority of the key European operators, as well as the expansion and diversification of our geographical base.
Restoring global prosperity requires a much broader geographical base than it did back then.
A broad geographical base for terrorist activities would make the challenge of containing it nearly impossible.
We diversified our income by focusing on new products such as pensions and trade credit, by offering reinsurance capacity to a broader geographical base and by expanding our strategic international partnerships.
Without any such assurance, handing areas back to the Taliban is akin to granting them the geographical base that they have been endeavoring to create for their movement.
The acquisition of LT establishes a new geographical base of operations in the Southwestern United States, very similar to that of our Blue Dot subsidiary in the Marcellus/Utica basin of the Northeastern United States.
Thanks to a range of public-engagement projects, online resources and events and activities nationwide, the reach of the Society extends far beyond its geographical base of Lowther Lodge in Kensington.
Full browser ?