Stream modification patterns in a river basin: Field survey and self-organizing map (SOM) application. - Kwang-Seuk Jeong; Dong-Gyun Hong; Myeoung-Seop Byeon; Jong-Chul Jeong; Han-Gook Kim; Dong-Kyun Kim; Gea-Jae Joo (Ecol. Informatics, 2010)