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Types of Maps. Choropleth Statistics Thematic Dot Distribution Proportional Arrows or Circles Political Relief Cartograms Density.

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Presentation on theme: "Types of Maps. Choropleth Statistics Thematic Dot Distribution Proportional Arrows or Circles Political Relief Cartograms Density."— Presentation transcript:

1 Types of Maps

2 Choropleth Statistics Thematic Dot Distribution Proportional Arrows or Circles Political Relief Cartograms Density

3 Political Map

4 Physical Map (Relief)

5 Dot Distribution Map

6 Advantage : Dot maps give a better representation of the distribution of the population Disadvantage : Almost impossible to get actual values of population or population density from it.

7 Choropleth Map

8

9

10 Choropleth Map Population Density

11 Disadvantages Although choropleths give a good visual impression of change over space there are certain disadvantages to using them: Although choropleths give a good visual impression of change over space there are certain disadvantages to using them: They give a false impression of abrupt change at the boundaries of shaded units. They give a false impression of abrupt change at the boundaries of shaded units. Choropleths are often not suitable for showing total values. Proportional symbols overlays are one solution to this problem. Choropleths are often not suitable for showing total values. Proportional symbols overlays are one solution to this problem. It can be difficult to distinguish between different shades. It can be difficult to distinguish between different shades. Variations within map units are hidden, and for this reason smaller units are better than large ones. Variations within map units are hidden, and for this reason smaller units are better than large ones.

12 Isoline Map contours

13

14 Isoline Map Temperature

15 Isoline Map - Sea level Air Pressure

16 Statistics Map Proportional Circles & Pie Graphs

17 Statistics Map

18 Proportional Arrows

19 Cartogram of ?

20

21 Types of Map Scales (Linear or Bar Scale) (RF)

22 Map Scales large - small

23 Large Scale Small Scale

24 1 : 10,000 Town Plan (large scale)

25 Political map of world http://www.worldpress.org/images/maps/world_600w.jpg Relief Map of Canada http://open-site.org/img/andrewdunning/relief.jpg Population distribution http://media.maps.com/magellan/images/worldpop.gif Population change map http://geodepot.statcan.ca/Diss/Maps/ThematicMaps/population/National/pop_chg_3d_colour_e.jpg Palestinian map: http://www.ipc.gov.ps/alnakba/English/images/Palestine_population_distri.jpg http://www.ipc.gov.ps/alnakba/English/images/Palestine_population_distri.jpg Kurds map http://www.globalsecurity.org/military/world/war/images/dist-kurdish.gif http://www.globalsecurity.org/military/world/war/images/dist-kurdish.gif Air pressure map http://ww2010.atmos.uiuc.edu/(Gh)/wx/cwp/prods/current/sfctmpslp/sfctmpslp_N.gif http://ww2010.atmos.uiuc.edu/(Gh)/wx/cwp/prods/current/sfctmpslp/sfctmpslp_N.gif Temperature map of Australia http://mapmaker.rutgers.edu/355/interpolating-70-deg-contou.gif Contour lines and relief shading http://www.launc.tased.edu.au/online/sciences/physics/cradlesmall.gifhttp://www.launc.tased.edu.au/online/sciences/physics/cradlesmall.gif Contour lines http://www.compassdude.com/i/topographic-map.jpg http://www.compassdude.com/i/topographic-map.jpg Adoptees map http://wwwn.cdc.gov/travel/image.aspx?i=270 http://wwwn.cdc.gov/travel/image.aspx?i=270 Choropleth map Whites in US http://www.neiu.edu/~jrmiller/377-Cartography/JMiller-ChoroplethMap.JPGhttp://www.neiu.edu/~jrmiller/377-Cartography/JMiller-ChoroplethMap.JPG

26 Choropleth map adoptees http://wwwn.cdc.gov/travel/image.aspx?i=270http://wwwn.cdc.gov/travel/image.aspx?i=270 Cartogram of flights http://www.worldmapper.org/images/largepng/28.pnghttp://www.worldmapper.org/images/largepng/28.png Cartogram ofchild mortality http://www.worldmapper.org/images/largepng/263.pnghttp://www.worldmapper.org/images/largepng/263.png Population density map India http://www.mapsofindia.com/census2001/populationdensity.jpg http://www.mapsofindia.com/census2001/populationdensity.jpg Proportional Arrow Map http://www.mundi.net/maps/maps_014/august2000_large.gif http://www.mundi.net/maps/maps_014/august2000_large.gif Map scales Goreham http://rockyweb.cr.usgs.gov/outreach/images/isnt_that_spatial_scale.jpg http://rockyweb.cr.usgs.gov/outreach/images/isnt_that_spatial_scale.jpg Map scales Atlanta http://go.owu.edu/~jbkrygie/krygier_html/geog_222/geog_222_lo/geog_222_lo04_ gr/scale.jpg http://go.owu.edu/~jbkrygie/krygier_html/geog_222/geog_222_lo/geog_222_lo04_ gr/scale.jpg Types of scales http://www.fes.uwaterloo.ca/crs/geog165/images/mapscale.gifhttp://www.fes.uwaterloo.ca/crs/geog165/images/mapscale.gif Bennekom map http://geodesie.fol.nl/fig2401.jpg


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