thematic map

(redirected from Demographic map)

thematic map

(Data West Research Agency definition: see GIS glossary.) A map that displays the spatial distribution of an attribute that relates to a single topic, theme, or subject of discourse. Usually, a thematic map displays a single attribute (a "univariate map") such as soil type, vegetation, geology, land use, or landownership. For attributes such as soil type or land use ("nominal" variables), shaded maps that highlight regions ("polygons") by employing different colors or patterns is generally wanted. For other attributes (like population density - a "metric" variable), a shaded map in which each shade corresponds to a range of population densities is generally wanted.

Thematic maps are used to display geographical concepts such as density, distribution, relative magnitudes, gradients, spatial relationships and movements. Also called geographic, special purpose, distribution, parametric, or planimetric maps.
References in periodicals archive ?
A quick look at the demographic map of Kyrgyzstan shows that the north and the south of the country are quite different from each other in ethnic composition, outlook toward life, and hopes and aspiration.
Secondly, there are conservative forces of resistance which, above all, are working to maintain the political, economic and demographic map with the least possible changes that are in line with the micro-projects and do not correspond to the interests of the traditional forces in the region.
Imperceptibly, Kurdistan's demographic map is changing," said Ahmed Anwar Tahir, a member of the city council in Sulaimaniya.
One project I am working on is a demographic map of racial distribution in Yoknapatawpha.
As soon as the rehabilitation here is complete, Barangay 90 in this city's San Jose district will no longer appear in Tacloban's demographic map, said Hermilio Naputo, head of the Barangay Affairs Office here.
The images of the Arabic letter aACAynoon' (N) for nasrani (Christian) spray-painted on the homes of Iraqi Christians in Mosul by Islamist extremists was a disturbing reminder of how quickly the situation in the region has spiralled to the ethno-religious hatred that may permanently change the demographic map.
If we believe the news about the regime's plan to naturalize some 750,000 people - Iranians, Iraqis and Houthis from Yemen, and those from some Asian countries - as a prelude to bringing about demographic change in Homs and its surrounding areas, and in the province of Swaida, then all of this merely serves as preparation for a phase of coming wars, to change Syria's demographic map.
Summary: Rumors have circulated recently that Iran is sponsoring a plan to redraw Syria's demographic map, including the granting of Syrian nationality to 750,000 Shiites from throughout the Middle East.
That this election was decided without Florida is both a testament to the country's shifting demographic map and a relief to anyone nervous about a disaster reminiscent of 2000.
Extensive subject and name indexes also provide access to the vast range of topics in the readings, and the cover illustration--a demographic map by Alejandro Largo--cleverly depicts the extent of Hispanic New York.
Many lives were lost and much suffering was endured during this period which resulted in a significant altering of the demographic map of the Aegean Region.
The power of the March 8 coalition cuts right across the Lebanese demographic map as well as the political.

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