NCERT Class 9 Geography Chapter 3: Drainage YouTube Lecture Handouts

Get top class preparation for UGC right from your home: Get complete video lectures from top expert with unlimited validity: cover entire syllabus, expected topics, in full detail- anytime and anywhere & ask your doubts to top experts.

Download PDF of This Page (Size: 198K)

Get video tutorial on: https://www.YouTube.com/c/Examrace

Watch Video Lecture on YouTube: NCERT Class 9 Geography Chapter 3: Drainage in India

NCERT Class 9 Geography Chapter 3: Drainage in India

Loading Video
Watch this video on YouTube

NCERT Class 9 Geography

Chapter 3: Drainage

Terms

  • Drainage

  • Drainage Basin

  • Water Divide

  • Perennial – Water Year Round

  • River System – River + Tributaries

Image of Stream A And Stream B For Water Divide

Image of Stream a and Stream B for Water Divide

Stages of River

  • Himalayan River – Intensive Erosion

  • Peninsular River – Short & Shallow

Image of Stages of River

Image of Stages of River

Drainage Patterns

Image of Drainage Patterns

Image of Drainage Patterns

Indus River

  • Rises in Tibet, near Lake Mansarovar

  • Enters India in Ladakh, J & K

  • Zaskar, Nubra, Shyok and Hunza R. - Join in Kashmir region

  • Moves to Baluchistan & Gilgit & then Attock

  • Satluj, Beas, Ravi, Chenab & Jhelum join Indus near Mithankot in Pakistan

  • Length – 2900 km

  • India – 1/3rd in J&K, HP & Punjab; rest in Pakistan

  • Indus Water Treaty -1960 – 20% water for India

Ganga River

  • From Gangotri Glacier in Bhagirathi R.

  • Joins Alaknanda R. at Devprayag

  • Reaches plains at Haridwar

  • Yamuna from Yamontri Glacier join at Allahabad (Left Bank)

  • Ghaghara, Gandak & Kosi R. from Nepal Himalaya

  • Chambal, Betwa & Son from Peninsular Region – Semiarid & Short Course of Flow

  • Ganga flows eastwards till Farakka in West Bengal (north most part of Ganga delta) – Separate in 2 parts:

    • Bhagirathi-Hooghly R. - flows southwards - deltaic plains to the Bay of Bengal.

    • Mainstream - flows southwards into Bangladesh & joins Brahmaputra – (Later called Meghna)

  • Forms Sunderban Delta – Worldest largest and fastest growing delta – Sundari Tree

  • Ambala- Water divide b/w Indus & Ganga

  • Length: 2500 km

Brahmaputra River

  • Origin: Mansarovar Lake in Tibet

  • Reaches Namcha Barwa & takes U shaped turn in Arun. P. – Dihang

  • Joins Dibang, Lohit, Kenula R. – form Brahmaputra

  • Called Tsang Po in Tibet & Jamuna in Bangladesh

  • Forms braided channel in Assam & riverine islands

Narmada River

  • Rises in Amarkantak, MP

  • Westward in rift valley formed by faulting

  • Deep gorge – Marble Rocks in Jabalpur

  • Dhuadhar Falls – River plunges on steep rocks

  • Tributaries short & join at right angles

  • Flows through MP & Gujarat

Tapti River

  • Rises in Betul District in Satpura

  • In rift valley parallel to Narmada

  • Shorter than Narmada R.

  • Covers MP, Gujarat & Maharashtra

  • Other west flowing rivers - Sabarmati, Mahi, Bharathpuzha & Periyar

Godavari River

  • Largest Peninsular River.

  • Rises from the slopes of the Western Ghats in Nasik, Maharashtra

  • Length: 1500 km

  • 50% in Maharashtra, then MP, Odisha & Andhra Pradesh

  • Tributaries: Purna, Wardha, Pranhita, Manjra, Wainganga & Penganga

  • Known as Dakshin Ganga

Mahanadi River

  • Rises in Chhattisgarh

  • Length: 860 km

  • Drains Maharashtra, Chhattisgarh, Jharkhand and Orissa

Krishna River

  • Rises near Mahabaleshwar

  • Length: 1400 km

  • Tributaries: Tungabhadra, Koyana, Ghatprabha, Musi & Bhima

  • Maharasthra, Karnataka and Andhra Pradesh

Kaveri River

  • Rises in Brahmagri range of the Western Ghats

  • Reaches the Bay of Bengal in south of Cuddalore, in Tamil Nadu

  • Length: 760 km

  • Tributaries: Amravati, Bhavani, Hemavati and Kabini R.

  • Drains Karnataka, Kerala and Tamil Nadu

  • Other Eats Flowing Rivers: Damoder, Brahmani, Baitarni & Subarnekha

Lakes

  • Large Lakes = Sea – Dead Sea, Caspian Sea

  • Dal Lake – Shikaras – Kashmir

  • Spits and bars form lagoons - Chilika lake, Pulicat lake, Kolleru lake

  • Seasonal – Sambhar – Rajasthan – Salt Water Lake

  • Wular Lake – J & K – Fresh Water – Tectonic – Largest freshwater lake

  • Dal lake, Bhimtal, Nainital, Loktak and Barapani

  • Artifical: Guru Gobind Sagar (Bhakra Nangal Project)

River Pollution

  • Untreated Sewage & Industrial Effluents

  • Increasing Urbanization & Industrialization

  • Ganga Action Plan (GAP) phase-I: Started in 1985 & closed in 2000

  • Ganga Action Plan (GAP) Phase-II: Merged with NRCP (National River Conservation Plan) – 152 towns on 27 interstate rivers in 16 states

Developed by: