Drainage System: complete notes

Free preview: Drainage System notes

A quick look at the chapter from our Class 11 Geography notes. The full chapter notes have the detailed explanations, diagrams and practice questions with answers.

Topics in this chapter ★★★ very important · ★★ important · ★ asked sometimes

1. 17.1 Drainage patterns ★★★
2. 17.2 Himalayan drainage ★★★
3. 17.3 Indus system ★★★
4. 17.4 Ganga system ★★★
5. 17.5 Brahmaputra system ★★★
6. 17.6 Peninsular drainage ★★★
7. Multiple choice: 20 MCQs

Last-night summary

• Indus (Bokhar Chu, 2,880 km; Gilgit, Chilas, Attock, Panjnad at Mithankot, Karachi): Jhelum (Verinag, Wular), Chenab (Tandi, largest), Ravi (Chamba), Beas (Beas Kund, Harike), Satluj (Raksas tal, Shipki La, Rupar, Bhakra). Ganga (Gaumukh; Devprayag; Haridwar; 2,525 km; 8.6 lakh sq km; Sagar Island): Yamuna, Chambal, Gandak, Ghaghara, Kosi, Ramganga, Damodar, Sarda, Mahananda, Son. Brahmaputra: Chemayungdung, Tsangpo, Namcha Barwa, Siang/Dihang, Sadiya, Dibang, Lohit, Subansiri, Dhubri, Jamuna, Padma.
• Peninsular: older, fixed, non-perennial; evolution — western subsidence, trough faulting (Narmada, Tapi), NW–SE tilt. Mahanadi 851, Godavari 1,465 (Dakshin Ganga), Krishna 1,401, Kaveri 800 (all-year), Narmada 1,312 (rift, Dhuandhar, estuary), Tapi 724, Luni (ephemeral). Usability: links, pollution, disputes.