a symbol or marked and bounded area on a map denoting the distribution of some property
b.
(as modifier)
a choropleth map
Word origin
C20: from Gk khōra place + plēthos multitude
Examples of 'choropleth' in a sentence
choropleth
Choropleth maps of health outcome rates show the geographical distribution of health outcomes.
Cromley Ellen K, Cromley Robert G 2009, 'Choropleth map legend design for visualizing community health disparities', International Journal of Health Geographicshttp://www.ij-healthgeographics.com/content/8/1/52. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The seroprevalence among different species was estimated and visualized using choropleth maps.
Yamen M Hegazy, Amgad Moawad, Salama Osman, Anne Ridler, Javier Guitian 2011, 'Ruminant brucellosis in the Kafr El Sheikh Governorate of the Nile Delta, Egypt: prevalenceof a neglected zoonosis.', PLoS Neglected Tropical Diseaseshttp://europepmc.org/articles/PMC3019114?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Socioeconomic indicators are shown using the choropleth mapping technique.
Lucia Helena Soares Camargo Marciano, Andréa de Faria Fernandes Belone, Patrícia SammarcoRosa, Neusa Maria Broch Coelho, Cássio César Ghidella, Susilene Maria Tonelli Nardi,William Cabral Miranda, Ligia Vizeu Barrozo, Joel Carlos Lastória 2018, 'Epidemiological and geographical characterization of leprosy in a Brazilian hyperendemicmunicipality', Cadernos de Saúde Públicahttp://www.scielosp.org/scielo.php?script=sci_arttext&pid=S0102-311X2018000805004&lng=en&tlng=en. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The geographic extent of the apparent heartworm prevalence was examined through smoothed choropleth maps for all 49 census division regions.
Erin McGill, Olaf Berke, Andrew S. Peregrine, J. Scott Weese 2019, 'Epidemiology of canine heartworm (Dirofilaria immitis) infection in domestic dogsin Ontario, Canada: Geographic distribution, risk factors and effects of climate',Geospatial Healthhttps://geospatialhealth.net/index.php/gh/article/view/741. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Choropleth maps are used to illustrate the levels and the evolution of the two indicators at regional level.
CONSTANTIN POSTOIU, IONUȚ BUȘEGA 2015, 'Inter-Regional Disparities in the European Union', Romanian Review of Regional Studieshttp://rrrs.reviste.ubbcluj.ro/arhive/Artpdf/v11n12015/RRRS11120151.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We discuss this approach in detail and present its application to the aggregation of areas in choropleth maps.
Johannes Oehrlein, Jan-Henrik Haunert 2017, 'A cutting-plane method for contiguity-constrained spatial aggregation', Journal of Spatial Information Sciencehttp://josis.org/index.php/josis/article/view/379. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)