The Ganga River System
- ‘Bhagirathi’ is fed by the Gangotri Glacier near Gaumukh (3900 m) in Uttarkashi district of Uttarakhand,
- At Devprayag, the Bhagirathi meets the Alaknanda (Source in Satopanth glacier above Badrinath); hereafter, it is known as the Ganga.
- Alaknanda consists of the Dhauli and the Vishnu Ganga meet at Joshimath or Vishnu Prayag.
- Other tributaries of Alaknanda - Pindar joins it at Karna Prayag while Mandakini or Kali Ganga meets it at Rudra Prayag
- Haridwar – Emerged mountain to plain.
- Joined by Himalayas tributaries - the Yamuna (Yamunotri Glacier in the Himalayas), & the Ramganga, the Gomati, the Ghaghara, the Gandak and the Kosi & the Mahananda rise in the Nepal Himalaya. (These Rivers flood parts of the northern plains).
- Yamuna
- Western most and the longest tributary of the Ganga, source Yamunotri glacier. Ganga & Yamuna meet at Prayag (Allahabad).
- Main tributaries, which come from the peninsular uplands, are the Chambal, the Betwa, the Son & the Ken join in right bank.
- The Hindan, the Rind, the Sengar, the Varuna, etc. join it on its left bank.
- Chambal
- Rises near Mhow in the Malwa plateau of Madhya Pradesh. Flow northward.
- Gandhisagar dam has been constructed.
- From Kota, it traverses down to Bundi, Sawai Madhopur and Dholpur, and finally joins the Yamuna.
- Chambal ravines – Badland tropography.
- Gandak
- Rise in nepal Himalayas between the Dhaulagiri and Mount Everest and drains the central part of Nepal.
- Comprises two streams, namely Kaligandak and Trishulganga.
- Joins the Ganga at Sonpur near Patna.
- Ghaghara
- Originates in the glaciers of Mapchachungo.
- Collecting water from tributaries - Tila, Seti and Beri.
- Comes out of the mountain, cutting a deep gorge at Shishapani. The river Sarda (Kali or Kali Ganga) joins it in the plain before it finally meets the Ganga at Chhapra.
- Kosi
- Main stream Arun rises in North of Mount Everest in Tibet. joined by the Son Kosi from the West & Tamur Kosi from the east.
- Form Sapt Kosi.
- Ramganga
- Rising in the Garhwal hills near Gairsain.
- joins the Ganga near Kannauj.
- Damodar (‘sorrow of Bengal’)
- Eastern margins of the Chotanagpur Plateau.
- Flow through a rift valley and finally joins the Hugli.
- Barakar is its main tributary
- Sarda or Saryu river
- Rises in the Milam glacier in the Nepal Himalayas.
- Along the Indo-Nepal border, it is called Kali or Chauk.
- Joins the Ghaghara.
- Mahananda
- Rising in the Darjiling hills.
- Joins the Ganga as its last left bank tributary in West Bengal.
- Son
- Originating in the Amarkantak plateau.
- Series of waterfalls.
- Reaches Arrah, west of Patna, to join the Ganga
- Flows eastwards till Farakka in West Bengal (northernmost point of the Ganga delta).
- River bifurcates - Bhagirathi-Hooghly.
- One flows southwards to the Bay of Bengal.
- Mainstream, flows southwards into Bangladesh and is joined by the Brahmaputra – Meghna.
- Sundarban Delta – Place water from Ganga & Brahmaputra, flow into Bay of Bengal. (World’s largest and fastest growing delta, Home of Royal Bengal Tiger).
- Ganga is over 2500 km, Slope 300m, Large Meanders.
- Ambala is located on the water divide between the Indus and the Ganga river systems.
- Namami Gange Programme
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