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Geography 2022 Paper II 50 marks Critically examine

Paper II — Q2

(a) Critically examine the factors affecting the unpredictability of South-West Monsoon system in India. 20 (b) The peninsular…

(a)

Critically examine the factors affecting the unpredictability of South-West Monsoon system in India. 20 marks

(b)

The peninsular location of India provides scope for harnessing non-conventional energy resources. Discuss with examples. 15 marks

(c)

Groundwater contamination in the fast expanding urban landscape of India appears to have become a major public health issue. Discuss. 15 marks

हिंदी में प्रश्न पढ़ें
(a)

भारत में दक्षिण-पश्चिमी मानसून प्रणाली की अनिश्चितता को प्रभावित करने वाले कारकों का समालोचनात्मक परीक्षण कीजिए । 20

(b)

भारत की प्रायद्वीपीय स्थिति गैर-पारंपरिक ऊर्जा संसाधनों के दोहन के लिए अवसर प्रदान करती है । उदाहरण सहित विवेचना कीजिए । 15

(c)

भारत के तीव्र विस्तारित नगरीय परिदृश्य में भूजल-संदूषण एक प्रमुख जन-स्वास्थ्य समस्या बनता प्रतीत होता है । विवेचना कीजिए । 15

Q2 of the 2022 UPSC Mains Geography Paper II, as printed
The question as printed in the 2022 Geography paper
Evaluate your answer to this question → See all 2022 Geography questions

Model answer

Written by UPSC Answer Check against this question's marking rubric, to the expected length. UPSC does not publish answers for Mains — this is one way to score well, not an official key.

Unpredictability of the South-West Monsoon System

The South-West Monsoon operates as a complex thermodynamic engine driven by coupled planetary teleconnections and regional land-atmosphere dynamics. Ocean-atmosphere interactions like the El Niño-Southern Oscillation (ENSO) significantly dictate monsoonal behaviour; El Niño generally suppresses precipitation by weakening the Walker circulation, while La Niña enhances it. However, this relationship is non-linear, as a positive Indian Ocean Dipole (IOD) often offsets El Niño-induced deficits. The Madden-Julian Oscillation (MJO) further introduces intra-seasonal unpredictability, triggering active or prolonged break spells depending on its phase over the Indian Ocean. Regionally, the sensible heating of the Tibetan Plateau, the timely northward retreat of the Subtropical Westerly Jet, the development of the Tropical Easterly Jet, and the land-sea thermal contrast govern the onset, spatial progression, and withdrawal.

Critically, anthropogenic forcing has intensified these uncertainties. High atmospheric aerosol loading and black carbon alter cloud microphysics and radiative balances, while rapid land-use changes and Urban Heat Islands (UHIs) induce erratic, high-intensity localized convective storms. Consequently, traditional statistical frameworks and high-resolution dynamical models (like IMD's Coupled Forecast System) face persistent challenges in simulating meso-scale cloud processes and multi-scale ocean interactions. Monsoon unpredictability has thus shifted from being a purely natural oscillation to an anthropogenically amplified, non-linear risk, necessitating sub-seasonal-to-seasonal ensemble forecasting.

Peninsular Location and Non-Conventional Energy Resources

India’s peninsular orientation and tropical location provide an exceptional geographical foundation for renewable energy deployment.

A coastline exceeding 7,500 km facilitates substantial onshore and offshore wind energy generation, concentrated along high-velocity corridors in Tamil Nadu (e.g., Muppandal) and Gujarat. Marine energy resources remain viable in the macro-tidal regimes of the Gulf of Khambhat and Gulf of Kutch, alongside wave energy potential along the south-western littoral.

Solar insolation exceeds 5 to 7 kWh/m²/day across the peninsular plateau and adjacent semi-arid tracts of Gujarat, Rajasthan, and the high-altitude cold desert of Ladakh. Peninsular agriculture supports substantial biomass energy via agro-industrial residues like sugarcane bagasse in Maharashtra and Karnataka. Geothermal prospects exist along structural rifts such as the Damodar-Son valley, the Godavari graben, and the thermal springs of the Western Ghats. These resources collectively drive decentralized energy systems, powering rural micro-grids and advancing industrial decarbonization.

Urban Groundwater Contamination and Public Health

Unregulated urban sprawl has severely degraded groundwater quality through anthropogenic loading and over-abstraction-induced geogenic leaching. Inadequate sewerage networks cause extensive septic tank leakage, while unlined landfills generate toxic leachate that infiltrates unconfined aquifers. Industrial effluents and urban surface runoff significantly elevate nitrate, phosphate, and heavy metal concentrations. Simultaneously, over-extraction alters local hydrogeology, mobilizing geogenic contaminants such as arsenic in the urban belts of the Ganga-Brahmaputra plains and fluoride in peninsular cities like Bengaluru and Hyderabad.

The resulting public health burden is acute. Elevated nitrate levels cause methaemoglobinemia (blue baby syndrome) in infants, while prolonged exposure to geogenic toxins leads to debilitating skeletal fluorosis, arsenicosis, and long-term carcinogenic risks.

Addressing this crisis requires stringent aquifer protection via the Atal Mission for Rejuvenation and Urban Transformation (AMRUT), expanding safe piped drinking water under the Jal Jeevan Mission (Urban), and deploying micro-level hydrogeological interventions using the Central Ground Water Board's National Aquifer Mapping Programme (NAQUIM).

What "Critically examine" is asking you to do

Test the proposition the question puts to you and return a finding on how far it holds. Examine stems carry a claim, or ask whether something has happened, and expect evidence weighed both ways before the extent is stated — often with remedial measures attached. “Critically” is not a section added at the end: name the yardstick you are judging by — the evidence, the stated objective, a constitutional principle, a rival explanation — and let a verdict close each part of the body. Where the question quotes a claim, that verdict must land on the claim itself, accepted, qualified or rejected, and not on the theme in general.

Structure that answers it

Restate the claim as the question frames it → evidence that supports it → evidence that undercuts it → the conditions under which it holds → verdict on how far it stands

Where marks are lost

Merits in one paragraph, demerits in the next, and a conclusion calling for a balanced and holistic approach. That is a survey with the judgement left out and it holds the answer in the middle band. The opposite error is reading “critically” as permission to attack — and with the odd pairings, critically describe or critically explain, the exposition still carries most of the marks, the judgement being a layer on it rather than a substitute for it.

All UPSC directive words, compared →

How this answer will be evaluated

Approach

Framework: Concept or mechanism > Diagram > Regional example > Application. (a) examine: intro > how/why with reasoning > evidence > conclusion | (b) discuss: intro > 3-4 dimensions > example > balanced close | (c) discuss: intro > 3-4 dimensions > example > balanced close Full marks: Precise mechanisms, specific Indian examples, clear diagrams, strong causal links.

Key points expected

  • Mechanism of ITCZ and pressure gradient
  • Role of El Niño/La Niña (ENSO)
  • Impact of Indian Ocean Dipole (IOD)
  • Influence of Western Disturbances
  • Solar energy potential (high insolation)
  • Wind energy (coastal/peninsular winds)
  • Tidal energy (coastal geography)
  • Geothermal potential (plate tectonics)

Evaluation rubric

Each sub-part is marked on its own, against the marks and word limit printed on the paper.

  1. (a) Critical analysis of factors causing unpredictability of South-West Monsoon. 20 marks

    examine— intro → how/why with reasoning → evidence → conclusion

    Must cover

    • Mechanism of ITCZ and pressure gradient
    • Role of El Niño/La Niña (ENSO)
    • Impact of Indian Ocean Dipole (IOD)
    • Influence of Western Disturbances

    Loses marks

    • Describing monsoon without explaining unpredictability
    • Ignoring oceanic factors (ENSO/IOD)
    • No causal link between factors and rainfall

    Earns more

    • Mention of MJO (Madden-Julian Oscillation)
    • Reference to global warming effects
    • Explanation of 'breaks' in monsoon
    • Sketch of monsoon flow patterns

    Extra mark

    • Citing IMD data on rainfall variability
    • Reference to specific failed monsoon years
  2. (b) Discussion on how peninsular location aids non-conventional energy. 15 marks

    discuss— intro → 3-4 dimensions → example → balanced close

    Must cover

    • Solar energy potential (high insolation)
    • Wind energy (coastal/peninsular winds)
    • Tidal energy (coastal geography)
    • Geothermal potential (plate tectonics)

    Loses marks

    • Listing energy types without location link
    • Ignoring the 'peninsular' aspect
    • No specific Indian examples

    Earns more

    • Specific examples: Ghatkopar, Muppandal
    • Mention of biomass in peninsular states
    • Reference to specific wind corridors
    • Map showing energy zones

    Extra mark

    • Citing specific capacity figures (MW)
    • Reference to specific government schemes
  3. (c) Discussion on groundwater contamination as a public health issue. 15 marks

    discuss— intro → 3-4 dimensions → example → balanced close

    Must cover

    • Sources: industrial effluents, sewage
    • Sources: agricultural chemicals (nitrates)
    • Health impacts: cancer, kidney failure
    • Urban expansion role: over-extraction

    Loses marks

    • General talk on water pollution
    • Ignoring the 'urban' context
    • No link to public health consequences

    Earns more

    • Mention of specific pollutants (arsenic, fluoride)
    • Reference to specific cities (Delhi, Chennai)
    • Discussion of 'mining' of groundwater
    • Link to water table decline

    Extra mark

    • Citing specific health statistics
    • Reference to specific court orders

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