Jerry T. Mitchell - Geography For Dummies

Whether we are gathering photographic or imaged information, there’s one other game changer in this whole process: the UAV. The what? An unmanned aerial vehicle, that’s what. You probably call it a drone. While many people are playing with these and snapping pictures over their backyards, we know better. They are really a new army of remote sensors. Put one of those UAVs into the hands of a credentialed pilot with a powerful LiDAR sensor on board and look out. We can gather Earth data in really inaccessible places and make a lot of change for the better as was done in my state, South Carolina, by monitoring old agricultural dams that can cause big problems downstream if they fail.

So maybe the future is plastics. And metal. And glass. And circuitry. All the things that collectively make up the computing, sensing, and locational hardware behind GIS, GPS, and remote sensing.

Just about anyone can make a map these days. There are a number of online software options that allow you to drop points on a map or make full-blown presentations of stories atop a base map of remotely sensed imagery.

But there’s still one big problem: These new mapmakers have not read this book. As a result, they use the wrong symbols, don’t process their data for choropleth maps, and use crazy color schemes that do everything but illuminate. Perhaps worse than having no map at all is one that is flat out misleading. That is, of course, only a problem if you want your maps to be truthful. Not everyone does. History is replete with examples: from World War Two Nazi maps (propaganda to show how much lebensraum (living space) Germany needed, thus a reason to conquer Europe) to Cold War Russians “hiding” cities by moving them from one map to another over time (why? To avoid American missiles.).

Be excited about your ability to map, but take care, too.

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