DÂY LƯNG & VÍ DA CHẤT LƯỢNG CAO THƯƠNG HIỆU H2


GIS AND GPS TOOLS

      When Hurricane Katrina flooded New Orleans, the Coast Guard went in to rescue people from the roofs of their flooded homes. Calls from stranded people came in nonstop. The members of the Coast Guard were not familiar with the area. The street signs were down. Street addresses were not useful. The Coast Guard, with support from United States Geological Survey (USGS), solved the problem by geocoding the addresses from 911 calls. Geocoding is the graphic representation usually in the form of a point on a map of
information in a database that includes street addresses or other location information. The street addresses were converted to longitude and latitude coordinates that allowed the Coast Guard to locate those who were stranded. This is just one of the ways an emergency manager can use technology to save
lives...

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