... The crit-18 GIS FOR WATER RESOURCES AND WATERSHED MANAGEMENT © 2003 Taylor & FrancisChapters 1, 3, 5 & 6 © American Water Resources Association; Chapter 13 ©Elsevier Science; Chapter ... channel, the East and West Fork, and several larger tributaries are well reproduced. The few20 GIS FOR WATER RESOURCES AND WATERSHED MANAGEMENT Figures 2.7a and 2.7 b. Generated and measured channel ... This chapter investigates the performance of automated watershed segmentation, channel net-work identification, and subwatershed definition in low relief terrain for an 84 km2 watershed. Thelandscape...