The October 2006 Photogrammetric Engineering and Remote Sensing (PE&RS) Journal of the American Society for Photogrammetry and Remote Sensing (ASPRS) is a Landsat Special Issue. The special issue features articles about LDCM requirements, the historical record of Landsat global coverage, the Landsat 7 Long-Term Acquisition Plan (LTAP), LTAP radiometry, the ETM+ Automated Cloud-Cover Assessment (ACCA), and more. Article abstracts are available on the ASPRS website (external site).
![Map shows South Korea with waterways highlighted. In the top right corner is a north arrow and in the bottom left corner is a legend of different rivers in South Korea.](https://landsat.gsfc.nasa.gov/wp-content/uploads/2025/01/figure_thumbnail_Hyunglok_Kim-1024x724.jpg)
Monitoring Water Quality in South Korea
South Korea is facing a water quality problem. Researchers Hyunglok Kim and Seongjun Lee from the Gwangju Institute of Science and Technology (GIST) embarked on developing a model to predict water quality indicators in near real-time.