Geography For Dummies. Jerry T. Mitchell. Читать онлайн. Newlib. NEWLIB.NET

Автор: Jerry T. Mitchell
Издательство: John Wiley & Sons Limited
Серия:
Жанр произведения: География
Год издания: 0
isbn: 9781119867142
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in mapping and monitoring forest fires and other fire-related phenomena, especially in situations in which smoke prohibits analysis by means of standard photography.

       LiDAR (Light Detection And Ranging): This has really come into its own over the past two decades, primarily for its ability to make very high-resolution maps. Using laser pulses, the system has helped us better map ocean bottoms (bathymetry) and helped archaeologists find sites under vegetative cover. LiDAR highlights that mapping is never really done. Sure, there are always new things to map but as LiDAR shows us there are always new, better, and increasingly more accurate ways to do so.

      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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