River Gauge Station Basin Catchment area (km2) Altitude (m) Latitude Longitude Dominant source in Summer Dominant source in Winter No. of meteorological stations
Astor Doyan Indus 4040 1550 35° 31’ 74° 44’ Snow/Glacier melt and no influence of Monsoon Winter rainfall+Base flow 1
Gilgit Alam Bridge Indus 25900 1295 35° 45’ 74° 37’ Snow/Glacier melt and no influence of Monsoon Winter rainfall+Base flow 2
Indus/Skardu Kachura Indus 112665 2341 35° 27’ 75° 25’ Snow/Glacier melt and no influence of Monsoon Winter rainfall+Base flow 1
Indus/Chilas Partap Bridge Indus 142709 1100 35° 44’ 74° 37’ Snow/Glacier melt and no influence of Monsoon Winter rainfall+Base flow 1
Source: Pakistan Water and Power Development Authority, 1990
Table 1: Characteristics of the study area.