Star Plot

A star plot shows multivariate data with each star representing a single observation. This particular star plot has each circle representing a different item. The different colors represent a different class that each belong to. 

http://visalix.xrce.xerox.com/index.php?page=help

Similarity Matrix

A similarity matrix is a matrix of scores that show the similarity between two data sets or points. This particular similarity matrix shows the similarity between signatures associated with two different contrasts. 

http://www.biomedcentral.com/1471-2164/8/353/figure/F5?highres=y

Stem and Leaf Plot

A stem and leaf plot shows each value of data split into a different "leaf" (usually the last digit) and a "stem" (all of the other digits). This particular stem and leaf plot shows the ages of people present at a family reunion. 

http://www.eduplace.com/math/mhm/5/06a/

Box Plot

Box plots are an easy way to summarize statistical data on an interval scale. They show means, minimums, maximums, and any other statistics needed. This particular box plot shows the web hits www.sas.com received in early 1999. It is shown in hits per each day of the week. 

http://support.sas.com/rnd/app/da/new/daunivariate.html

Histogram

A histogram is a graphical representation of data in a proportionally distributed manor. This particular histogram shows the number of students in relation to the score they received on the final exam.

http://www.webquest.hawaii.edu/kahihi/mathdictionary/H/histogram.php

Triangular Plot Map

A triangular plot uses three variables in the shape of a triangle to represent statistics. This particular triangular plot shows the three variables: Liberal Democrat, Labour, and Conservative. It shows their voting percentage in each distinguished corner of the triangle. 

http://www.ex-parrot.com/~chris/wwwitter/20050407-it_doesnt_matter_how_you_vote_either_way_your_planet_is_doomed.html

Windrose Map

A windrose is used by meteorologists to show how wind speed and wind direction are distributed in a certain area. This particular windrose is showing the wind speed.

http://vistadatavision.com/reports/wind-rose/

Climograph Map

A climograph displays basic climatic parameters, usually average temperatures or precipitation. This particular climograph shows the amount of precipitation throughout the year in inches, as well as the temperature averages. 

http://www.colorado.edu/geography/extra/geogweb/bouldercreek-2/preview/page2.html

Population Profile Map

A population profile map shows the number of people in an area as a function of their age. This particular population profile is of the Bahamas, showing the population in thousands as a function of time for both male and female. 

http://www.physio-pedia.com/Bahamas

Scatterplot Map

A scatterplot map uses coordinates to show values for two variables for a dataset. This particular scatterplot shows the size, in carats, of diamonds and the retail price of them in Singapore for 48 observations. 

http://www.stat.yale.edu/Courses/1997-98/101/scatter.htm

Index Value Plot Map

An index value plot map in which an index value is plotted and displayed instead of an absolute value. The above map shows the average streamflow index in North Carolina over the last 45 days. 

http://waterwatch.usgs.gov/index.php?id=real&sid=w__plot&r=nc

Bilateral Graph

A bilateral graph is a graph that represents multiple variables, in any form of graph (bar, line, etc.) This particular graph represents the approval or disproval of the job performance in China. It shows Asia, Middle East/North Africa, and Sub-Saharan Africa with their responses of approval, disapproval, and don't know/refused.

http://www.gallup.com/poll/106858/chinas-leadership-better-regarded-outside-west.aspx

Nominal Area Choropleth Map

A nominal area choropleth map is a thematic map that shows categorical information instead of numerical data. The above map shows the minority group with the highest percentage of state population. The categories are divided into different minority groups using colors, no numerical values. 

https://courseware.e-education.psu.edu/courses/geog482/policies.shtml

Unstandardized Choropleth Map

An unstandardized choropleth map shows data in raw numbers, instead of being standardized into some unit.  The above map shows the total water withdrawals in 2000 in the United States. The numbers on the scale are raw numbers. 

http://pubs.usgs.gov/fs/2005/3051/

Standardized Choropleth Map

Standardized choropleth maps shows data standardized to a certain unit, usually area. The above map shows the Hispanic population density of people per square kilometer. The darkest shade is the highest density with the lightest shade being the lowest density, in respect to each square kilometer.

https://www.e-education.psu.edu/natureofgeoinfo/book/export/html/1553

Univariate Choropleth Map

A univariate map is a choropleth map that only shows one variable. The above map shows the poverty percentage of individuals in the United States. The purple shades show the lowest percentage and the orange shades show the highest percentage. 

http://www.cdc.gov/pcd/issues/2007/oct/07_0091.htm

Bivariate Choropleth Map

A bivariate choropleth map shows two separate variables, using different graphics or symbols, on one map. The above map shows the percentage of population under the age of 18 in shades of red; the blue shades represent the percentage of the rural population. The two variables are combined into one, single map. 

http://www.geo.unizh.ch/~annal/Choropleth%20maps.html

Unclassed Choropleth Map

An unclassed choropleth map shows changes in some kind of data using different coloring or shading. There is no specific shade or color to a specific piece of data, they have proportional degrees of darkness. This particular map shows the fertility rate in Europe, with the lightest shade being the lowest fertility rate and the darkest shade being the highest fertility rate. 

http://www.esds.ac.uk/international/support/user_guides/gisoverview.asp

Classed Choropleth Map

Classed choropleth maps provide visualization of changes in measurements over a region. Different shading and coloring  is used to show the changes. This particular map shows the total fertility rate of the world between 2000-20005. It uses different shades of gray to shows the changes in data.

http://eps.mq.edu.au/courses/GEOS219/choropleth.htm

Range Graded Proportional Circle map

A range graded proportional circle map uses a specific number of specific-sized circles to show the data being measured. Unlike the continuously variable circle map, these maps have definite sized circles instead of using circles proportionally different circles. This particular map shows the amount of motor vehicle deaths in California using 5 different sized circles to represent the amount of deaths. 

https://www.e-education.psu.edu/geog486/book/export/html/1796

Continuously Variable Proportion Map

A continuously variable proportional circle map uses circles to create point data in proportion to the variables being measured. The above map is a continuously variable proportional circle map because it is using proportional circles to show population sizes of German ancestry living in Chicago, Illinois. 

http://www.neiu.edu/~nerobert/391/cartographic.htm

Digital Orthophoto Quarter Quadrangle (DOQQ) Map

A DOQQ maps are pixel-based images of an aerial photograph with photographic characteristics as well as geometric qualities. This particular map is a digital flood insurance rate map in Lago Vista, Texas. 

http://www.crwr.utexas.edu/gis/gishydro00/Class/trmproj/Donnelly/termproject.htm

Digital Elevation Model Map

Digital Elevation Model (DEM) maps show the topography of land in 2-Dimensional or 3-Dimensional mode. The above map is a DEM map showing the topography of the Antarctic Peninsula. The red color represents the highest elevation at 3172 meters and blue is the lowest elevation at 0 meters.

http://nsidc.org/data/docs/agdc/nsidc0516-cook/

Digital Ling Graph Map

Digital line graph (DLG) maps are cartographic vector-form that come in either small, intermediate, and small scale that show different categories of geologic features. This particular DLG map is of Beaufort, South Carolina.

http://www.dnr.sc.gov/GIS/descdlg.html

Digital Raster Graphic Map

A digital raster graphic (DRG) is basically a scanned topographic map from the U.S. Geologic Survey. It is then georeferenced to Earth's surface. This particular map is a scanned topographic map (DRG) of Coxville, Texas just outside of Austin.

http://www.tceq.texas.gov/gis/metadata/drg_met.html

Isopleth Map

An isopleth map connects points that have the same value or ratio of geological or morphological features. This particular map shoes the number of deaths in California due to H1N1 virus. According to the legend, each contour line filled with a different color represents a differing number of deaths. 

http://www.flutrackers.com/forum/showthread.php?t=132504

Isopach Map

An isopach map connects points into a continuous line in which strata or any geological formation have the same thickness. This particular map shows the contour lines of deposit of Rio Blanco Tephra. It shows the thickness from less than 20 centimeters up to more than 20 meters. 

http://www.geo.utexas.edu/faculty/barker/kempter/rbtephra.html

Isohyet Map

Isohyet maps shows continuous lines connecting points where equal measures of rainfall in that area have been recorded. The above photograph's lines represent equal measures of average rainfall in October on the Hawaiian island Kauai. 

http://rainfall.geography.hawaii.edu/downloads.html

Isotach Map

An isotach map shows continuous lines of equally measured wind speed. The above photograph shows a winter storm in March of 2009 over the United States. The lines represent equally recorded wind speeds. 

http://www.erh.noaa.gov/gsp/localdat/cases/2009/1-2March2009Snow/1-2MarchSnow.html

Isobar Map

Isobars are continuous lines on a map signifying constant or equal atmospheric pressure. The above photograph is of the surface of the United States with continuous lines acting as isobars, constant pressure. 

https://www.nc-climate.ncsu.edu/edu/k12/.IsobarIsotherm

LIDAR Map

LiDAR stands for light detection and ranging. It is a detection system that works just like radar, but uses light from a laser. The above photo is taken in New Orleans to map flooding from Hurricane Isaac.

 http://gallery.usgs.gov/photos/09_01_2012_rVMy5DCp53_09_01_2012_0

Doppler Radar Map

Doppler radar uses a tracking system with the Doppler effect to get the location and intensity of storms, clouds, and rain. The photo above shows a Doppler radar image from the National Weather Service of Hurricane Frances over South Florida. 

http://www.noaanews.noaa.gov/stories2004/s2311.htm

Black and White Aerial Photograph

A black and white aerial photograph is a photograph of Earth's surface taken from above in colors black and white. This particular photograph is of Key West, Florida taken in the 1980s by Dale M. McDonald. 

http://www.floridamemory.com/items/show/100598

Infrared Aerial Photo Map

An infrared aerial photograph is taken from above and is used a lot in land assessment and land planning among many other uses. Infrared film is sensitive to visible light and therefore can show healthy vegetation very easily, thus green shows as bright red. The above photograph is an infrared aerial photograph due to the angle in which it was taken, from above, and the infrared color scale, the red in place of vegetation. 

http://www.satimagingcorp.com/gallery/quickbird-oil-and-gas-near-infrared.html

Cartographic Animation Map

Cartographic animation maps use animation to display change of something, usually change over time. For instance, the movement of hurricanes over time. The above photograph shows Hurricane Andrew to the west of Florida. 

http://rsd.gsfc.nasa.gov/rsd/images/andrew.html

Statistical Map

Statistical maps show variables such as rainfall, population, etc. They show statistics in a way that can be read from a map. This particular map shows the percent change in resident populations in the United States, District of Columbia, and Puerto Rico. 

http://www.wikivolunteer.com/analytic-maps.html

Cartogram

A cartogram map shows a thematic mapping variable substituted for distance. The above map is an area cartogram showing the 2004 U.S. presidential election of popular votes, blue being Democratic and red being Republican. 

http://en.wikipedia.org/wiki/Cartogram

Flow Map

A flow map can be a mix of flow charts and maps and it basically shows the movement of something from one location to another, like the migration of people or animals. This particular map shows immigration to the United States in 2007 by regions of birth. 

http://ideas.arcgis.com/ideaView?id=087E00000004VaD&returnUrl=%2Fapex%2FideaList%3Fc%3D09a300000004xET%26category%3D%26sort%3Drecent

Isoline Map

An isoline map uses continuous lines to represent the same amount or value. This particular map is of the amount of rainfall, in inches, New York State has received in the past 25 years.

http://regentsprep.org/regents/core/questions/questions.cfm?Course=ESCI&TopicCode=07 

Proportional Circle Map

A proportional circle map uses the size of the circle to portray the number in the dataset. In this map, the circles represents the American Indian population by State in 1990. The smallest circle is the smallest population and the largest circle is the highest population.

http://www.neiu.edu/~nerobert/Cartography.htm

Choropleth Map

A choropleth map is a thematic map that focuses on different colored areas representing a statistical variable, such as income or population. The above map shows the percent of persons who are Hispanic or Latino in Florida by counties. Each shade of yellow/green represents a different percentage. 

http://my.ilstu.edu/~jrcarter/Geo204/Choro/Tom/

Dot Distribution Map

A dot distribution map shows the value or presence of a phenomenon or thing in an area. This particular map shows the Hispanic population in the United States, where 1 dot equals 100,000 people.
https://www.e-education.psu.edu/natureofgeoinfo/book/export/html/1553

Propaganda Map

This is a propaganda map and its purpose is to persuade people into believing something. This particular map is a map of the United States, according to a Texan. As you can see, it is exaggerated and quite humorous.
http://historum.com/general-history/9905-propaganda-maps-2.html

Hypsometric Map

Above is a hypsometric map, revealing the elevation of the terrain using different colors. It is also known as a shaded relief map. This specific map shows the elevation of Dummerston, Vermont. 


http://mappery.com/Elevation-Map-of-Dummerston-Vermont

PLSS Map

Above is a PLSS map. PLSS stands for Public Land Survey System and is used to divide public land divisions, which is owned by the Federal government. This particular photograph shows the states included in the PLSS, designated by the color blue. 

http://www.nationalatlas.gov/articles/boundaries/a_plss.html

Cadastral Map

http://elcoco.co/new-cadastral-maps-provide-better-security-for-property-in-costa-rica/

This is a cadastral map of property in Costa Rica. This will allow the exact property lines and boundaries to be easily distinguished. This gives property owners in Costa Rica a piece of mind and sense of security. It can also provide visual insight to properties that are too close to the coast.

Thematic Map

http://soils.usda.gov/use/thematic/moist_regimes.html

This map is a thematic map of the amount of soil moisture in the United States. A thematic map focuses on one aspect or topic, such as soil moisture in this case. As you can see, there is much higher soil moisture values in the eastern part of the country compared to the western part of the country.

Topographic Map

http://en.wikipedia.org/wiki/Topographic_map

This is a topographic map of the Stowe, Virginia area. It includes contour lines that signify elevation on the map. It also includes man-made and natural features of the land. 

Planimetric Map

http://www.maps.com/ref_map.aspx?pid=11715

This is a planimetric map of the state of Florida. It is a planimetric map because it represents the horizontal positions of features, with no regard to elevation. 

Mental Map

http://aparnadesign.wordpress.com/

This is a mental map conveying global warming and its theories, affects, and solutions. It qualifies as a mental map because it is referring to a specific person's point-of-view and thoughts on the subject of global warming. It goes into great detail on all of the aspects contributing to global warming. It specifically shows this person's outlook on the subject matter.