Bivariate Maps

Bivariate maps are the geographical equivalent of Boolean math. Through the comparison of two related variables we can visualized the regions where both conditions are true (AND) as well as where one is true and the other is false (OR). To make a bivariate choropleth map, you should overlay the two variables. This can be done by selecting the number of classes for each choropleth (usually 2 or 3) and applying a quantile classification. Then you assign each variable with a scaled value (1,2,3... A,B,C...) and combine to produce a new field withe 4 or 9 types. When you symbolize based on these types with a predetermined color scheme, the end result should give the appearance of overlaying the two maps.

Infographic

To finalize the layout I added text and color in order to promoted an understanding of the data charts in relation to the maps and support visual contrast. I also tried to frame the neatline with the extra information to improve visual balance. I organized the most important charts in the middle that applied to the data analysis then spread to the edges so it would be clear which charts were associated with which map.

Terrain Visualization

In order to highlight the Land Cover of Yellowstone National Park, terrain must be factored into the equation. In order to do this I applied a hillshade effect to a Digital Elevation Model (DEM) in order to give the illusion of three dimensions. I then symbolized the land cover in order to reflect tree species. I used a single hue to symbolize each species, and if multiple variations of their forestry growth cycle were present, I applied different saturation and value in order to create a ladder effect of color. I chose to leave the water blue for familiarity and the unforested areas light grey to symbolize the bedrock and prevent confusion with the forests. I the applied a transparency of 35% to allow the hill shade to shine through the Land Cover. The use of bold draws the attention to the title even though it is not placed in a traditional spot in order to promote a larger map and overall balance.