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UPSC Geography 12 - Mega Relief of Third Order (Lakes, Desert, Glacier, Individual Mountains, Rivers)

This Post and the attached video will explain the following points of Micro-Notes on UPSC Geography 12 - Mega Relief of Third Order (Lakes, Desert, Glacier, Individual Mountains, Rivers). Copy & Note it down carefully, as it will be very useful in Fast Revision of the entire topic of "UPSC Geography 12 - Mega Relief of Third Order (Lakes, Desert, Glacier, Individual Mountains, Rivers)".

UPSC Geography 12 - Mega Relief of Third Order (Lakes, Desert, Glacier, Individual Mountains, Rivers)


Methods of Study / Approach
  • Regional Approach- Attention is paid to unique characteristics of a particular region
  • Universality - Similarities between different areas
  • GIS (Geographic Info system) - system designed to capture, store, manipulate, analyze, manage, and present spatial or geographic data using Satellite & Advance computing System
Lakes
  • Playa Lakes - depression found in interior whose water that slowly filtrates into the groundwater system causing the deposition of salt, sand, and mud along the bottom and around the edges of the depression. or evaporates
  • Oxbow lakes
  • Titicaca- Highest
  • Caspian - Largest
  • Baikal - Deepest
  • Superior - US Canada
  • Victoria - Africa Largest
Deserts
  • Sahara
  • Australian
  • Arabian
  • Gobi (Mongolia)
Desert Landforms
  • Erosional Landform
  1. Zeugen or Rock Mushrooms
  2. Yardangs
  3. Dreikanter
  4. Inselbergs
  5. Desert pavement
  • Depositional landforms
  1. Erg or Sand Sea
  2. Ripples
  3. Longitudinal dunes
  4. Transverse Dunes

Rivers
  • Yazoo River- parallel river
  • Leeves- Barrier
Delta
  • Lobate- Semicircular
  • Bird Foot
  • Cupsate- pointed
  • Eustraine
Falls
  • Angel Fall - venezuela
  • Iguazu- Argentina
  • Steps
Glaciers
  • Ablation- Ice melting
  • Fringe - Recently melted
  • Neve - Grains
  • Crevasses or bergschrunds - Cracks
  • Moulin - channels
  • Morains - glacial drifts - “Kachra”
  • Drumlins- Stoss & Lee side
  • Esker
  • Chatter marks
  • Glacial erratics- boulders left
  • Oogives -Black n white patterns
  • Paternoster lakes-glacial depression-hanging valley
  • Cirques- Chair Like
  • Artes
  • Tarns- Small Mountain lakes
  • Karns - column
  • Loess - Wind carried
  • Keetles- basin
Karst Topography
  • Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves.
  • Limestone + rain water (contains Carbonic acid) - Dissolves
  • Manhole
  • Stallesite 
  • Stalagmite 
  • Ukraine





** Above Video is created by KapsOne Studies and Placement Center, Nagpur for Guidance of UPSC Civil Service (IAS /IPS / IFS / IRS / SSC / Railways / NDA), MPSC Rajyaseva, UPPSC, MPPSC, BPSC, RPSC, NCERT Aspirants on UPSC Geography 12 - Mega Relief of Third Order (Lakes, Desert, Glacier, Individual Mountains, Rivers).





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