Cartogram maps main purpose is to show a statistic of some type and is often called a statistical map. This data is generally shown through shades or curves, and in this case is shown by inflating or deflating the size of the country based on the population in that region. When you look at this map, it is apparent that the proportions are off especially because of the sizes of Canada and Russia. Making these countries small was meant to represent the fact that there is a lot of land, but it is not composed of a dense population. Another factor leading to the sparse population of these two countries are also due to how north they are with contributing arctic factors making it a very harsh population. When you look at China and India, you notice their large size indication a very densely populated area.
Sunday, March 23, 2014
Flow Map
A flow map has a direct purpose and that is to show the movement of objects from one location to another, for example, the amount of goods being traded in a particular operation. This map qualifies as a flow map because it show the annual freight tonnage by mode, the National Highway System, the U.S. Class I Railroad, or inland waterways. The lines also get thicker to represent a higher volume of tons traded on that particular path per year. Looking at the map you can see that inland waterways to transport good is very popular in the southeast.The National Highway also seems very popular because it is something that is used all over the nation, but more heavily on the eastern side. The railroad system seems to be the least popular but in one section over Wyoming, South Dakota, Nebraska, and Iowa there is a heavy use of the railroad system.
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