Great Smoky Mountains National Park geographic information system specialists and scientists in collaboration with scientists from Tennessee, North Carolina, and the United States Geological Survey (USGS), completed a three-year stream mapping project. Park scientists used a combination of aircraft-mounted scanners and a Global Positioning System verification system to re-inventory streams throughout the park.
Working with the USGS, the park incorporated the new stream data into the National Hydrography Dataset (NHD) which allows the researchers and the public real-time access to detailed information about streams across the nation. Park staff and research partners rely heavily upon the accurate information in the NHD to manage park water quality and aquatic ecosystem health. The NHD data is accessible via The National Map, and re-mapped streams within the park can be seen here.