Isopach

Isopach display the thickness of rock beds or sediment deposits. They allow engineers, contractors, researchers, and geologists to more accurately know the how far they will have to drill to complete their jobs. For examples it displays the depth of a possible water table for research or use as well as oil deposits, and other fossil fuels.

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjECFODR9_wyN4J5rKUPuwSsxcbx6NovuWO0IDq5Ww860Wiqegdb_T8PWCIjbWzeIoBRY1GXLDdaShDJWZt7_wlMGzc4k4s7RySyn57-4WwrhLwkTLRMTN1S7RUzjvEpNF0lZxNczQaEBIf/s400/Isopach.jpg

Isohyets

Isohytes display rainfall using contour lines. These lines show geographical areas that have the same amount of rainfall. Here is the annual rainfall measured in mm for a region.
http://soer.justice.tas.gov.au/2003/image/265/water%20quantity/m-ilw_quantity_rainfall-l.gif

Isotachs

Isotachs are used to display winds speeds, of different geographical areas, that are the same. Using contour line intervals the information is displayed very organized and easy to read. Isotachs are used in weather prediction. This map shows the wind speed taken at 500Mb above ground, and is valid for 6 pm CST on February 23

http://www.underthemeso.com/blog/wp-content/uploads/entry_20070223_1.gif

Range graded proportional circle map

With in each proportional circle there is additional information displayed about that point. The advantage to this is being able to display several different types of information at one time. This particular map is also a classed choropleth map. By overlaying several types of maps you can display large amounts of information in an organized easy to read format.

http://geographyfieldwork.com/Choropleth2.gif

Classed choropleth maps

This is a great example of a classed Choropleth map. It is classed because of the key located on the map to explain the divisions. This map shows the infant mortality rate representing deaths per thousand live births. This type of map very clearly displays the data and is very easy read.


http://www.es.mq.edu.au/courses/GEOS219/images/deaths.jpg

Bivariate choropleth maps

Just focus of the map of Africa and you will see a Bivariate choropleth map. The Key box displays the Two variables that are represented on the map. This Maps shows the life expectancy and the GNP per CAPITA.

http://www.geocities.com/stevejford/Africa_Choropleth.jpg

Star plots

Star Plots are a useful way to display multivariate observations with an arbitrary number of variables. Each observation is represented as a star-shaped figure with one ray for each variable. For a given observation, the length of each ray is made proportional to the size of that variable. For example each star plot above represents a vehicle make and model. each ray represents a variate such as weight, price, size, horsepower, and many more. The length of each ray represents the value for that variate.

http://www.math.yorku.ca/SCS/icons/sugi16/staraut2.gif

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