🔆 Arabian Sea Mini Warm Pool (MWP)
📍 Current Finding
✅ Arabian Sea Mini Warm Pool acts as a self-correcting mechanism, helping the monsoon recover after an El Niño-induced disruption.
📍 About MWP
✅ Small patch of unusually warm SSTs in the SE Arabian Sea (near Kerala coast)
✅ A warm pool = water body with SST > 28.5°C, strongly influencing weather & climate
✅ Forms every year during April–May, just before the Indian Summer Monsoon
#Geography
📍 Current Finding
✅ Arabian Sea Mini Warm Pool acts as a self-correcting mechanism, helping the monsoon recover after an El Niño-induced disruption.
📍 About MWP
✅ Small patch of unusually warm SSTs in the SE Arabian Sea (near Kerala coast)
✅ A warm pool = water body with SST > 28.5°C, strongly influencing weather & climate
✅ Forms every year during April–May, just before the Indian Summer Monsoon
#Geography
❤3
🔆 NASA’s ESCAPADE Mission: Key Facts
📍 Recent Update
✅ ESCAPADE spacecraft launched aboard Blue Origin’s New Glenn rocket, marking a major milestone in NASA’s Mars exploration programme.
📍 About ESCAPADE Mission
✅ Full form: Escape and Plasma Acceleration and Dynamics Explorers.
✅ A twin-spacecraft mission to study Mars’ plasma environment.
📍 Objectives
✅ Investigate how solar wind interacts with Mars’ magnetic environment.
✅ Understand how these interactions drive atmospheric escape, a key reason Mars lost most of its air and water.
✅ Map the structure, dynamics, and energy transfer within Mars’ magnetosphere.
📍 Mars’ Magnetic Environment
✅ Mars does not have a global magnetic field like Earth.
✅ Its magnetosphere is formed from:
• Residual crustal magnetic fields from an ancient molten core
• A weak magnetic field in the upper atmosphere
➡️ This makes Mars highly vulnerable to solar wind stripping.
📍 Conclusion
✅ ESCAPADE will help explain how Mars became cold and barren, improving understanding of planetary evolution and habitability.
#Geography
https://t.me/Mapping_prelims_mains
📍 Recent Update
✅ ESCAPADE spacecraft launched aboard Blue Origin’s New Glenn rocket, marking a major milestone in NASA’s Mars exploration programme.
📍 About ESCAPADE Mission
✅ Full form: Escape and Plasma Acceleration and Dynamics Explorers.
✅ A twin-spacecraft mission to study Mars’ plasma environment.
📍 Objectives
✅ Investigate how solar wind interacts with Mars’ magnetic environment.
✅ Understand how these interactions drive atmospheric escape, a key reason Mars lost most of its air and water.
✅ Map the structure, dynamics, and energy transfer within Mars’ magnetosphere.
📍 Mars’ Magnetic Environment
✅ Mars does not have a global magnetic field like Earth.
✅ Its magnetosphere is formed from:
• Residual crustal magnetic fields from an ancient molten core
• A weak magnetic field in the upper atmosphere
➡️ This makes Mars highly vulnerable to solar wind stripping.
📍 Conclusion
✅ ESCAPADE will help explain how Mars became cold and barren, improving understanding of planetary evolution and habitability.
#Geography
https://t.me/Mapping_prelims_mains
❤2
🔆 Revised Seismic Zonation Map (BIS 2025)
📍 What’s New?
✅ India updates Earthquake Design Code (BIS 2025) with a revised Seismic Zonation Map
✅ Based on faults, max probable events, tectonics, lithology, attenuation etc.
📍 Key Changes in Zonation
✅ Earlier: 4 zones — II, III, IV, V
✅ Now: New highest-risk Zone VI created
• Entire Himalayan arc placed in Zone VI (earlier split between IV & V)
✅ Boundary towns between zones now automatically included in the higher-risk zone
✅ Mapping now focuses on geology, not administrative borders
🔆 India’s Earthquake Vulnerability
✅ 61% of land in moderate–high hazard zones (earlier 59%)
✅ 75% of population now lives in seismically active regions
✅ Implications:
• Push for retrofitting in high-risk areas
• Restrict expansion on soft sediments/near active faults
• Uniform building standards in Himalayan states
🔆 Government Strategies
📍 NDMA & SDMAs
✅ NDMA frames policies, SDMAs implement state-level disaster plans
📍 National Seismological Network
✅ Monitors quakes
✅ Supports development of early warning systems
#Geography #DisasterManagement
https://t.me/Mapping_prelims_mains
📍 What’s New?
✅ India updates Earthquake Design Code (BIS 2025) with a revised Seismic Zonation Map
✅ Based on faults, max probable events, tectonics, lithology, attenuation etc.
📍 Key Changes in Zonation
✅ Earlier: 4 zones — II, III, IV, V
✅ Now: New highest-risk Zone VI created
• Entire Himalayan arc placed in Zone VI (earlier split between IV & V)
✅ Boundary towns between zones now automatically included in the higher-risk zone
✅ Mapping now focuses on geology, not administrative borders
🔆 India’s Earthquake Vulnerability
✅ 61% of land in moderate–high hazard zones (earlier 59%)
✅ 75% of population now lives in seismically active regions
✅ Implications:
• Push for retrofitting in high-risk areas
• Restrict expansion on soft sediments/near active faults
• Uniform building standards in Himalayan states
🔆 Government Strategies
📍 NDMA & SDMAs
✅ NDMA frames policies, SDMAs implement state-level disaster plans
📍 National Seismological Network
✅ Monitors quakes
✅ Supports development of early warning systems
#Geography #DisasterManagement
https://t.me/Mapping_prelims_mains
❤3👍1
🔆INDIA PHYSICAL OVERVIEW
✅82.5 degree East longitude passes almost through middle of India and hence considered as the Standard Meridian of India or Indian Standard Time (IST) . It passes through Naini, near Allahabad. Standard time is 5 hours 30 minutes ahead of International standard Greenwich .
✅Indian states through which the Indian Standard Time longitude passes: 1.Uttar Pradesh 2. Madhya Pradesh 3.Chhattisgarh 4. Odisha 5. Andhra Pradesh
✅Tropic of Cancer passes through 8 states: Gujarat ,Rajasthan ,Madhya Pradesh, Chhattisgarh , Jharkhand , West Bengal, Tripura & Mizoram.
✅Geographical area of the World India ranks 7th in terms of geographical area after Russia, Canada ,China, USA, Brazil and Australia.
✅ Total coastline (including the coastline of island) is 7515.5 kilometres.
✅ Gujarat has largest coastline among states because of Creeks(narrow inlet in shoreline) - 1214km.
✅ Overall - Andaman Nicobar - 1962 kilometres
✅ India is the only country after which an ocean has been named.
✅ Immediate neighbour Pakistan ,Afghanistan, China ,Nepal, Bhutan, Myanmar, Bangladesh .
✅ Palk strait separates India mainland from Sri Lanka.
✅India shares longest International border with Bangladesh 4096.7 km. Indira Point in the southernmost point of India and located in Great Nicobar Island
▪️Important Latitudes:
✅ 6 degree latitude separates Indira Point and Indonesia
✅ 8 degree latitude separates Minicoy Island and Maldives
✅9 degree latitude separates Kavaratti and Minicoy Island
✅ 10 degree latitude separates Andaman and Nicobar Island
#geography
Join @MAPPING_PRELIMS_MAINS
✅82.5 degree East longitude passes almost through middle of India and hence considered as the Standard Meridian of India or Indian Standard Time (IST) . It passes through Naini, near Allahabad. Standard time is 5 hours 30 minutes ahead of International standard Greenwich .
✅Indian states through which the Indian Standard Time longitude passes: 1.Uttar Pradesh 2. Madhya Pradesh 3.Chhattisgarh 4. Odisha 5. Andhra Pradesh
✅Tropic of Cancer passes through 8 states: Gujarat ,Rajasthan ,Madhya Pradesh, Chhattisgarh , Jharkhand , West Bengal, Tripura & Mizoram.
✅Geographical area of the World India ranks 7th in terms of geographical area after Russia, Canada ,China, USA, Brazil and Australia.
✅ Total coastline (including the coastline of island) is 7515.5 kilometres.
✅ Gujarat has largest coastline among states because of Creeks(narrow inlet in shoreline) - 1214km.
✅ Overall - Andaman Nicobar - 1962 kilometres
✅ India is the only country after which an ocean has been named.
✅ Immediate neighbour Pakistan ,Afghanistan, China ,Nepal, Bhutan, Myanmar, Bangladesh .
✅ Palk strait separates India mainland from Sri Lanka.
✅India shares longest International border with Bangladesh 4096.7 km. Indira Point in the southernmost point of India and located in Great Nicobar Island
▪️Important Latitudes:
✅ 6 degree latitude separates Indira Point and Indonesia
✅ 8 degree latitude separates Minicoy Island and Maldives
✅9 degree latitude separates Kavaratti and Minicoy Island
✅ 10 degree latitude separates Andaman and Nicobar Island
#geography
Join @MAPPING_PRELIMS_MAINS
❤7👍1
🔆 Western Disturbances
📍 Definition
✅ Eastward-moving extra-tropical weather systems bringing sudden winter rainfall to northwestern India.
✅ Originate beyond Iran & Afghanistan, travel via Pakistan before reaching India.
📍 Origin & Characteristics
✅ Driven by low-pressure systems formed by interaction of polar & tropical air masses.
✅ Moisture source: Mediterranean Sea, Black Sea, Caspian Sea, sometimes Arabian Sea.
✅ Embedded in Subtropical Westerly Jet Stream (STWJ) flowing west → east over Himalayas & Tibetan Plateau.
📍 Seasonal Occurrence
✅ Most active in winter (Dec–Mar).
✅ Can also affect pre-monsoon & post-monsoon weather.
📍 Geographical Impact
✅ Influence weather in NW India, N. Pakistan, Afghanistan, Tajikistan.
✅ In India → rainfall in Punjab, Haryana, Rajasthan, HP, Uttarakhand, UP (parts).
✅ Cause snowfall in Himalayas & cold wave in plains.
📍 Importance for Agriculture
✅ Crucial for Rabi crops (esp. wheat).
✅ Excess/unseasonal rains → crop damage & disruption.
#Climatology #Geographyoptional
#geography #mains #GS1
Join @CSE_EXAM
@Mapping_prelims_mains
📍 Definition
✅ Eastward-moving extra-tropical weather systems bringing sudden winter rainfall to northwestern India.
✅ Originate beyond Iran & Afghanistan, travel via Pakistan before reaching India.
📍 Origin & Characteristics
✅ Driven by low-pressure systems formed by interaction of polar & tropical air masses.
✅ Moisture source: Mediterranean Sea, Black Sea, Caspian Sea, sometimes Arabian Sea.
✅ Embedded in Subtropical Westerly Jet Stream (STWJ) flowing west → east over Himalayas & Tibetan Plateau.
📍 Seasonal Occurrence
✅ Most active in winter (Dec–Mar).
✅ Can also affect pre-monsoon & post-monsoon weather.
📍 Geographical Impact
✅ Influence weather in NW India, N. Pakistan, Afghanistan, Tajikistan.
✅ In India → rainfall in Punjab, Haryana, Rajasthan, HP, Uttarakhand, UP (parts).
✅ Cause snowfall in Himalayas & cold wave in plains.
📍 Importance for Agriculture
✅ Crucial for Rabi crops (esp. wheat).
✅ Excess/unseasonal rains → crop damage & disruption.
🔆 Prelims Practice
Q. With reference to Western Disturbances, consider the following:
1. They originate in the Bay of Bengal and move westward.
2. They are embedded in the Subtropical Westerly Jet Stream.
3. They are crucial for Rabi crops in northwestern India.
Which of the above is/are correct?
(a) 1 & 2 only
(b) 2 & 3 only
(c) 1 & 3 only
(d) 1, 2 & 3
👉 Answer: (b)
🔆 Mains Practice
Q. Examine the role of Western Disturbances in shaping the winter climate of India. Discuss their significance for agriculture and the associated risks. (150 words)
#Climatology #Geographyoptional
#geography #mains #GS1
Join @CSE_EXAM
@Mapping_prelims_mains
❤7
🔆Tidal Flooding
✅Tidal flooding, also known as “nuisance flooding” or “sunny day flooding,” happens when high tides cause water levels to rise and flood low-lying coastal areas.
✅Causes: Changes in prevailing winds, shifts in ocean currents, and strong tidal forces (which occur during full or new moon) can all cause high tide flooding.
✅High tide flooding falls into three levels of severity: minor, moderate, and major.
📍Concerns:
✅Tidal flooding disrupts daily life by flooding roads and services, damages infrastructure, and causes economic losses for businesses.
✅It accelerates coastal erosion, harms habitats, and contaminates freshwater supplies with saltwater.
✅Repeated flooding forces communities to relocate.
✅Over time, rising sea levels due to climate change will make tidal flooding more frequent and severe.
#geography
Join @Mapping_prelims_mains
✅Tidal flooding, also known as “nuisance flooding” or “sunny day flooding,” happens when high tides cause water levels to rise and flood low-lying coastal areas.
✅Causes: Changes in prevailing winds, shifts in ocean currents, and strong tidal forces (which occur during full or new moon) can all cause high tide flooding.
✅High tide flooding falls into three levels of severity: minor, moderate, and major.
📍Concerns:
✅Tidal flooding disrupts daily life by flooding roads and services, damages infrastructure, and causes economic losses for businesses.
✅It accelerates coastal erosion, harms habitats, and contaminates freshwater supplies with saltwater.
✅Repeated flooding forces communities to relocate.
✅Over time, rising sea levels due to climate change will make tidal flooding more frequent and severe.
#geography
Join @Mapping_prelims_mains
❤5
🔆 Polar Vortex – Winter Storms in USA (Prelims Ready)
📍 What is Polar Vortex?
✅ Large, persistent low-pressure cold air mass over Polar Regions
✅ Contained by Polar-front Jet Stream (separates cold polar & warm tropical air)
📍 Rotation
✅ Counter-clockwise → North Pole
✅ Clockwise → South Pole
📍 Formation Factors
✅ Strong temperature gradient (pole vs tropics)
✅ Coriolis force (Earth’s rotation)
✅ Pressure gradient force
✅ Jet stream interaction
📍 Stability Mechanism
✅ Strong vortex → Jet stream tight & circular → Cold air locked near poles
✅ Weak vortex → Jet stream wavy → Cold air spills south (USA winter storms)
📍 Types
✅ Tropospheric PV: 10–15 km (direct weather effects)
✅ Stratospheric PV: 15–50 km (strongest in winter)
📍 Impacts
✅ Extreme cold waves in mid-latitudes
✅ Ozone depletion (esp. Antarctic ozone hole)
✅ Climate link: Arctic amplification → more instability & frequent cold outbreaks
📍 India Angle
⚠️ No direct impact
✅ Indirect influence via Western Disturbances pushed by Arctic winds
#Geography #Climatology
Join https://t.me/Mapping_prelims_mains
📍 What is Polar Vortex?
✅ Large, persistent low-pressure cold air mass over Polar Regions
✅ Contained by Polar-front Jet Stream (separates cold polar & warm tropical air)
📍 Rotation
✅ Counter-clockwise → North Pole
✅ Clockwise → South Pole
📍 Formation Factors
✅ Strong temperature gradient (pole vs tropics)
✅ Coriolis force (Earth’s rotation)
✅ Pressure gradient force
✅ Jet stream interaction
📍 Stability Mechanism
✅ Strong vortex → Jet stream tight & circular → Cold air locked near poles
✅ Weak vortex → Jet stream wavy → Cold air spills south (USA winter storms)
📍 Types
✅ Tropospheric PV: 10–15 km (direct weather effects)
✅ Stratospheric PV: 15–50 km (strongest in winter)
📍 Impacts
✅ Extreme cold waves in mid-latitudes
✅ Ozone depletion (esp. Antarctic ozone hole)
✅ Climate link: Arctic amplification → more instability & frequent cold outbreaks
📍 India Angle
⚠️ No direct impact
✅ Indirect influence via Western Disturbances pushed by Arctic winds
#Geography #Climatology
Join https://t.me/Mapping_prelims_mains
❤6👌2🔥1
🔆 In a First: Tribal Girl from Kalvarayan Hills makes it to IIT
📍 Why in News?
✅ A girl from the Malayali tribe, living in the remote Kalvarayan Hills of Tamil Nadu, has secured admission to IIT — a milestone for tribal education & empowerment.
📍 About Kalvarayan Hills
✅ Location: Part of Eastern Ghats, Tamil Nadu.
✅ Watershed: Separates Kaveri basin (South) & Palar basin (North).
✅ Height & Spread: 2000–3000 ft, spread over 1095 sq. km.
✅ Divisions:
• Chinna Kalrayan (Little) – avg. 2700 ft
• Periya Kalrayan (Big) – avg. 4000 ft
✅ Vegetation:
• Scrubs (up to 400 m)
• Deciduous forests (800 m+)
• Sholas (isolated plateaus)
✅ Waterfalls: Megam Falls, Periyar Falls
✅ Dam: Gomukhi Dam
✅ Tribe: Malayali (Malaiyali) – the main tribal community
#Geography
📍 Why in News?
✅ A girl from the Malayali tribe, living in the remote Kalvarayan Hills of Tamil Nadu, has secured admission to IIT — a milestone for tribal education & empowerment.
📍 About Kalvarayan Hills
✅ Location: Part of Eastern Ghats, Tamil Nadu.
✅ Watershed: Separates Kaveri basin (South) & Palar basin (North).
✅ Height & Spread: 2000–3000 ft, spread over 1095 sq. km.
✅ Divisions:
• Chinna Kalrayan (Little) – avg. 2700 ft
• Periya Kalrayan (Big) – avg. 4000 ft
✅ Vegetation:
• Scrubs (up to 400 m)
• Deciduous forests (800 m+)
• Sholas (isolated plateaus)
✅ Waterfalls: Megam Falls, Periyar Falls
✅ Dam: Gomukhi Dam
✅ Tribe: Malayali (Malaiyali) – the main tribal community
#Geography
❤7
🔆 Japan
📍 Why in News?
✅ A powerful 7.5-magnitude earthquake struck off the north coast of Japan.
✅ Japan frequently experiences earthquakes because it lies on the Pacific Ring of Fire.
📍 Political Features
▪️ Japan is an island nation in East Asia, located in the northwest Pacific Ocean.
▪️ Capital: Tokyo
▪️ It has no land borders.
▪️ Japan is an archipelago of more than 14,000 islands.
✅ Four major islands (North to South):
▪️ Hokkaido
▪️ Honshu
▪️ Shikoku
▪️ Kyushu
📍 Maritime Boundaries
▪️ East – Pacific Ocean
▪️ North – Sea of Okhotsk
▪️ West – Sea of Japan (also called East Sea)
▪️ Southwest – East China Sea
📍 Why is Japan Prone to Earthquakes?
✅ Japan lies at the junction of several tectonic plates:
▪️ Pacific Plate
▪️ Philippine Sea Plate
▪️ Eurasian Plate
▪️ North American Plate
✅ Their interaction makes Japan one of the world’s most earthquake-prone countries.
📍 Geographical Features
▪️ Climate ranges from subarctic in the north to humid subtropical in the south.
✅ Highest Peak:
▪️ Mount Fuji
✅ Major Rivers:
▪️ Shinano River
▪️ Tone River
▪️ Kiso River
#GS1 #Geography #places_in_news
Join https://t.me/Mapping_prelims_mains
📍 Why in News?
✅ A powerful 7.5-magnitude earthquake struck off the north coast of Japan.
✅ Japan frequently experiences earthquakes because it lies on the Pacific Ring of Fire.
📍 Political Features
▪️ Japan is an island nation in East Asia, located in the northwest Pacific Ocean.
▪️ Capital: Tokyo
▪️ It has no land borders.
▪️ Japan is an archipelago of more than 14,000 islands.
✅ Four major islands (North to South):
▪️ Hokkaido
▪️ Honshu
▪️ Shikoku
▪️ Kyushu
📍 Maritime Boundaries
▪️ East – Pacific Ocean
▪️ North – Sea of Okhotsk
▪️ West – Sea of Japan (also called East Sea)
▪️ Southwest – East China Sea
📍 Why is Japan Prone to Earthquakes?
✅ Japan lies at the junction of several tectonic plates:
▪️ Pacific Plate
▪️ Philippine Sea Plate
▪️ Eurasian Plate
▪️ North American Plate
✅ Their interaction makes Japan one of the world’s most earthquake-prone countries.
📍 Geographical Features
▪️ Climate ranges from subarctic in the north to humid subtropical in the south.
✅ Highest Peak:
▪️ Mount Fuji
✅ Major Rivers:
▪️ Shinano River
▪️ Tone River
▪️ Kiso River
#GS1 #Geography #places_in_news
Join https://t.me/Mapping_prelims_mains
❤10👍1
🔆 Salween River
📍 Why in News?
✅ Alarming arsenic contamination has recently been detected in the Salween River.
📍 About the Salween River
▪️ Also known as:
✅ Nu River in China
✅ Thanlwin River in Myanmar
▪️ It is the second-longest river in Southeast Asia after the Mekong River.
▪️ It is also the longest undammed river in Southeast Asia.
📍 Origin and Course
▪️ Originates from the Tanggula Mountains on the Tibetan Plateau.
▪️ Flows through China, Myanmar and along parts of Thailand.
▪️ Finally empties into the Gulf of Martaban in the Andaman Sea.
📍 River Basin Distribution
✅ China – 53%
✅ Myanmar – 42%
✅ Thailand – 5%
📍 Major Tributaries
▪️ Moei River
▪️ Pang River
▪️ Teng River
▪️ Pawn River
▪️ Hka River
▪️ Hsim River
#GS1 #Geography #places_in_news
📍 Why in News?
✅ Alarming arsenic contamination has recently been detected in the Salween River.
📍 About the Salween River
▪️ Also known as:
✅ Nu River in China
✅ Thanlwin River in Myanmar
▪️ It is the second-longest river in Southeast Asia after the Mekong River.
▪️ It is also the longest undammed river in Southeast Asia.
📍 Origin and Course
▪️ Originates from the Tanggula Mountains on the Tibetan Plateau.
▪️ Flows through China, Myanmar and along parts of Thailand.
▪️ Finally empties into the Gulf of Martaban in the Andaman Sea.
📍 River Basin Distribution
✅ China – 53%
✅ Myanmar – 42%
✅ Thailand – 5%
📍 Major Tributaries
▪️ Moei River
▪️ Pang River
▪️ Teng River
▪️ Pawn River
▪️ Hka River
▪️ Hsim River
#GS1 #Geography #places_in_news
❤9
🔆 Yamuna River
📍 Why in News?
✅ The National Green Tribunal (NGT) issued notices over pollution in the Yamuna River at Mathura–Vrindavan, with water quality falling to “very poor” Category D.
📍 About Yamuna River
▪️ Naming
✅ Derived from Sanskrit word “Yama” meaning ‘twin’
▪️ Origin
✅ Yamunotri Glacier near Bandarpunch peaks
▪️ Length
✅ ~1,376 km
▪️ River System
✅ Second-largest tributary of the Ganga River
✅ Part of Ganga drainage system
📍 Course & States Covered
▪️ Flows through:
▪️ Uttarakhand, Himachal Pradesh, Haryana, Delhi, Uttar Pradesh
▪️ Forms boundary between Haryana and Uttar Pradesh
📍 Confluence
▪️ Meets Ganga at Triveni Sangam
✅ Major site of Kumbh Mela
📍 Tributaries
▪️ Right bank:
✅ Tons River, Chambal, Betwa, Ken
▪️ Left bank:
✅ Hindan, Rind, Sengar, Varuna
📍 Major Cities on Banks
▪️ Yamunotri, Paonta Sahib, Delhi, Noida, Mathura, Agra, Etawah, Prayagraj
📍 Major Projects
▪️ Canals: Western Yamuna Canal (Haryana), Eastern Yamuna Canal (UP), Agra Canal
▪️ Key Infrastructure: Hathnikund Barrage
▪️ Upcoming Projects: Renukaji Dam, Lakhwar Project, Kishau Dam
📍 Concerns
▪️ Severe pollution in urban stretches (Delhi–Mathura)
▪️ Industrial discharge, sewage and low flow
▪️ Ecological degradation
📍 Conclusion
The Yamuna is vital for northern India’s ecology and economy, but requires urgent conservation measures to restore its health.
#GS1 #Geography #places_in_news
Join https://t.me/Mapping_prelims_mains
📍 Why in News?
✅ The National Green Tribunal (NGT) issued notices over pollution in the Yamuna River at Mathura–Vrindavan, with water quality falling to “very poor” Category D.
📍 About Yamuna River
▪️ Naming
✅ Derived from Sanskrit word “Yama” meaning ‘twin’
▪️ Origin
✅ Yamunotri Glacier near Bandarpunch peaks
▪️ Length
✅ ~1,376 km
▪️ River System
✅ Second-largest tributary of the Ganga River
✅ Part of Ganga drainage system
📍 Course & States Covered
▪️ Flows through:
▪️ Uttarakhand, Himachal Pradesh, Haryana, Delhi, Uttar Pradesh
▪️ Forms boundary between Haryana and Uttar Pradesh
📍 Confluence
▪️ Meets Ganga at Triveni Sangam
✅ Major site of Kumbh Mela
📍 Tributaries
▪️ Right bank:
✅ Tons River, Chambal, Betwa, Ken
▪️ Left bank:
✅ Hindan, Rind, Sengar, Varuna
📍 Major Cities on Banks
▪️ Yamunotri, Paonta Sahib, Delhi, Noida, Mathura, Agra, Etawah, Prayagraj
📍 Major Projects
▪️ Canals: Western Yamuna Canal (Haryana), Eastern Yamuna Canal (UP), Agra Canal
▪️ Key Infrastructure: Hathnikund Barrage
▪️ Upcoming Projects: Renukaji Dam, Lakhwar Project, Kishau Dam
📍 Concerns
▪️ Severe pollution in urban stretches (Delhi–Mathura)
▪️ Industrial discharge, sewage and low flow
▪️ Ecological degradation
📍 Conclusion
The Yamuna is vital for northern India’s ecology and economy, but requires urgent conservation measures to restore its health.
#GS1 #Geography #places_in_news
Join https://t.me/Mapping_prelims_mains
❤15
🔆 Falkland Islands (Islas Malvinas)
📍 Why in News?
✅ The United Kingdom reaffirmed its position on sovereignty over the Falkland Islands amid evolving policy stance by the United States.
📍 About Falkland Islands
▪️ Political Status
✅ Internally self-governing overseas territory of the UK
▪️ Location
✅ South Atlantic Ocean
✅ ~480 km northeast of South America’s southern tip
✅ Near Strait of Magellan
▪️ Geography
✅ Archipelago of East Falkland & West Falkland + smaller islands
📍 Sovereignty Dispute
▪️ Claimed by Argentina (calls them Malvinas)
▪️ Led to Falklands War 1982
✅ UK retained control after victory
📍 Significance
▪️ Strategic location in South Atlantic
▪️ Rich fishing grounds & potential hydrocarbons
▪️ Military and geopolitical importance
📍 Conclusion
The Falkland Islands remain a key geopolitical flashpoint, reflecting unresolved sovereignty disputes and strategic interests in the South Atlantic.
#GS1 #Geography #PlacesInNews
Join https://t.me/Mapping_prelims_mains
📍 Why in News?
✅ The United Kingdom reaffirmed its position on sovereignty over the Falkland Islands amid evolving policy stance by the United States.
📍 About Falkland Islands
▪️ Political Status
✅ Internally self-governing overseas territory of the UK
▪️ Location
✅ South Atlantic Ocean
✅ ~480 km northeast of South America’s southern tip
✅ Near Strait of Magellan
▪️ Geography
✅ Archipelago of East Falkland & West Falkland + smaller islands
📍 Sovereignty Dispute
▪️ Claimed by Argentina (calls them Malvinas)
▪️ Led to Falklands War 1982
✅ UK retained control after victory
📍 Significance
▪️ Strategic location in South Atlantic
▪️ Rich fishing grounds & potential hydrocarbons
▪️ Military and geopolitical importance
📍 Conclusion
The Falkland Islands remain a key geopolitical flashpoint, reflecting unresolved sovereignty disputes and strategic interests in the South Atlantic.
#GS1 #Geography #PlacesInNews
Join https://t.me/Mapping_prelims_mains
❤8
🔆 Falkland Islands (Islas Malvinas)
📍 Why in News?
✅ The United Kingdom reaffirmed its position on sovereignty over the Falkland Islands amid evolving policy stance by the United States.
📍 About Falkland Islands
▪️ Political Status
✅ Internally self-governing overseas territory of the UK
▪️ Location
✅ South Atlantic Ocean
✅ ~480 km northeast of South America’s southern tip
✅ Near Strait of Magellan
▪️ Geography
✅ Archipelago of East Falkland & West Falkland + smaller islands
📍 Sovereignty Dispute
▪️ Claimed by Argentina (calls them Malvinas)
▪️ Led to Falklands War 1982
✅ UK retained control after victory
📍 Significance
▪️ Strategic location in South Atlantic
▪️ Rich fishing grounds & potential hydrocarbons
▪️ Military and geopolitical importance
📍 Conclusion
The Falkland Islands remain a key geopolitical flashpoint, reflecting unresolved sovereignty disputes and strategic interests in the South Atlantic.
#GS1 #Geography #PlacesInNews
Join https://t.me/Mapping_prelims_mains
📍 Why in News?
✅ The United Kingdom reaffirmed its position on sovereignty over the Falkland Islands amid evolving policy stance by the United States.
📍 About Falkland Islands
▪️ Political Status
✅ Internally self-governing overseas territory of the UK
▪️ Location
✅ South Atlantic Ocean
✅ ~480 km northeast of South America’s southern tip
✅ Near Strait of Magellan
▪️ Geography
✅ Archipelago of East Falkland & West Falkland + smaller islands
📍 Sovereignty Dispute
▪️ Claimed by Argentina (calls them Malvinas)
▪️ Led to Falklands War 1982
✅ UK retained control after victory
📍 Significance
▪️ Strategic location in South Atlantic
▪️ Rich fishing grounds & potential hydrocarbons
▪️ Military and geopolitical importance
📍 Conclusion
The Falkland Islands remain a key geopolitical flashpoint, reflecting unresolved sovereignty disputes and strategic interests in the South Atlantic.
#GS1 #Geography #PlacesInNews
Join https://t.me/Mapping_prelims_mains
❤5
🔆 Place in News: Tanzania 🇹🇿 (Capital: Dodoma)
📍 Why in News?
✅ 5th India–Tanzania Joint Trade Committee Meeting held
➡️ Focus on strengthening bilateral economic cooperation
📍 Political Features
▪️ Location: Largest country in East Africa, just south of Equator
▪️ Borders:
✅ North → Kenya, Uganda
✅ West → Burundi, DR Congo, Rwanda
✅ South → Zambia, Malawi, Mozambique
▪️ Water Boundaries:
🌊 Lake Victoria (North)
🌊 Indian Ocean (East)
🌊 Lake Tanganyika (West)
🌊 Lake Nyasa (South-West)
📍 Geographical Features
▪️ Major Lakes
✅ Lake Tanganyika (2nd deepest in world)
▪️ Highest Peak
✅ Mount Kilimanjaro (Dormant volcano)
▪️ Rivers
✅ Ruvuma
✅ Rufiji
▪️ Islands
✅ Zanzibar
✅ Pemba
✅ Mafia
📍 Strategic Importance
▪️ Gateway to East African trade & Indian Ocean routes
▪️ Strengthening India–Africa relations
📍 Conclusion
Tanzania’s strategic location, rich geography, and growing ties with India make it a key partner in Africa-focused diplomacy and trade expansion.
#GS1 #PlacesInNews #Geography
📍 Why in News?
✅ 5th India–Tanzania Joint Trade Committee Meeting held
➡️ Focus on strengthening bilateral economic cooperation
📍 Political Features
▪️ Location: Largest country in East Africa, just south of Equator
▪️ Borders:
✅ North → Kenya, Uganda
✅ West → Burundi, DR Congo, Rwanda
✅ South → Zambia, Malawi, Mozambique
▪️ Water Boundaries:
🌊 Lake Victoria (North)
🌊 Indian Ocean (East)
🌊 Lake Tanganyika (West)
🌊 Lake Nyasa (South-West)
📍 Geographical Features
▪️ Major Lakes
✅ Lake Tanganyika (2nd deepest in world)
▪️ Highest Peak
✅ Mount Kilimanjaro (Dormant volcano)
▪️ Rivers
✅ Ruvuma
✅ Rufiji
▪️ Islands
✅ Zanzibar
✅ Pemba
✅ Mafia
📍 Strategic Importance
▪️ Gateway to East African trade & Indian Ocean routes
▪️ Strengthening India–Africa relations
📍 Conclusion
Tanzania’s strategic location, rich geography, and growing ties with India make it a key partner in Africa-focused diplomacy and trade expansion.
#GS1 #PlacesInNews #Geography
❤7
🔆 Lipulekh Pass in News 🇮🇳
📍 Why in News
✅ Nepal objected to India resuming Kailash Mansarovar Yatra via Lipulekh Pass
✅ Cites Sugauli Treaty
✅ India rejected claims as historically unfounded
📍 Location & Geography
✅ Lipulekh Pass in Kumaon region, Uttarakhand
✅ Situated near tri-junction: India–Nepal–China
✅ Connects India with Tibet (China)
📍 Key Features
✅ Altitude: ~5,334 m (17,500 ft)
✅ High-altitude Himalayan mountain pass
✅ Traditional route for Kailash Mansarovar Yatra
📍 Strategic & Political Significance
✅ Important for India–Nepal boundary dispute
✅ Linked with Kalapani region issue
✅ Strategic access towards Tibet (China)
✅ Sensitive zone in India–China–Nepal geopolitics
📍 Exam Relevance
✅ Prelims: Map location, tri-junction, altitude
✅ Mains (GS2/GS3): Border disputes, neighbourhood relations, strategic geography
#GS1 #GS2 #Geography #IR #PlacesInNews
📍 Why in News
✅ Nepal objected to India resuming Kailash Mansarovar Yatra via Lipulekh Pass
✅ Cites Sugauli Treaty
✅ India rejected claims as historically unfounded
📍 Location & Geography
✅ Lipulekh Pass in Kumaon region, Uttarakhand
✅ Situated near tri-junction: India–Nepal–China
✅ Connects India with Tibet (China)
📍 Key Features
✅ Altitude: ~5,334 m (17,500 ft)
✅ High-altitude Himalayan mountain pass
✅ Traditional route for Kailash Mansarovar Yatra
📍 Strategic & Political Significance
✅ Important for India–Nepal boundary dispute
✅ Linked with Kalapani region issue
✅ Strategic access towards Tibet (China)
✅ Sensitive zone in India–China–Nepal geopolitics
📍 Exam Relevance
✅ Prelims: Map location, tri-junction, altitude
✅ Mains (GS2/GS3): Border disputes, neighbourhood relations, strategic geography
#GS1 #GS2 #Geography #IR #PlacesInNews
❤9
🔆 Indian Ocean Dipole (IOD)
Subject: Geography (GS-I)
📍 Why in Focus?
✅ With forecasts of a Super El Niño, meteorologists are assessing whether a 1997-like positive Indian Ocean Dipole (IOD) could again offset its adverse impact on the Indian monsoon.
📍 What is the Indian Ocean Dipole (IOD)?
✅ An ocean-atmosphere phenomenon characterized by the difference in Sea Surface Temperatures (SSTs) between the western and eastern tropical Indian Ocean.
✅ Also known as the “Indian Niño”.
✅ Plays a crucial role in influencing the Southwest Monsoon.
📍 1997 Example
✅ Despite one of the strongest El Niño events on record, India received 2% above-normal monsoon rainfall.
✅ The surplus rainfall was largely attributed to a strong Positive IOD, which offset El Niño’s drying effect.
📍 Phases of IOD
✅ Positive IOD: Western Indian Ocean warmer; eastern Indian Ocean cooler → Generally strengthens the Indian monsoon.
✅ Negative IOD: Eastern Indian Ocean warmer; western cooler → Weakens the monsoon and increases dry spells.
✅ Neutral IOD: Minimal SST difference between east and west; limited influence on monsoon.
📍 How is IOD Measured?
✅ Measured using the Dipole Mode Index (DMI).
✅ Positive DMI: Western Indian Ocean warmer than eastern.
✅ Negative DMI: Eastern Indian Ocean warmer than western.
✅ Current Status: Neutral IOD.
📍 Impact of IOD
✅ Positive IOD
✅ Enhances Southwest Monsoon over India.
✅ Above-normal rainfall in East Africa.
✅ Drought and bushfires in Indonesia and Australia.
✅ Can partially offset El Niño-induced monsoon deficiency.
✅ Negative IOD
✅ Suppresses monsoon rainfall over India.
✅ Heavy rainfall in Indonesia and Australia.
✅ Drier conditions over East Africa.
✅ Neutral IOD
✅ Near-normal ocean and atmospheric conditions with limited impact on seasonal rainfall.
📍 Current Outlook
✅ IMD forecasts a Neutral IOD during the 2026 monsoon season.
✅ Australian Bureau of Meteorology indicates only a small possibility of a weak Positive IOD during August–September.
✅ If a Positive IOD develops late, it is unlikely to significantly counter a strong El Niño.
📍 UPSC Value Addition
✅ IOD vs El Niño
✅ IOD originates in the Indian Ocean; El Niño originates in the Pacific Ocean.
✅ A Positive IOD can weaken the adverse impact of El Niño on the Indian monsoon, whereas a Negative IOD can amplify drought conditions.
#mains #geography
Subject: Geography (GS-I)
📍 Why in Focus?
✅ With forecasts of a Super El Niño, meteorologists are assessing whether a 1997-like positive Indian Ocean Dipole (IOD) could again offset its adverse impact on the Indian monsoon.
📍 What is the Indian Ocean Dipole (IOD)?
✅ An ocean-atmosphere phenomenon characterized by the difference in Sea Surface Temperatures (SSTs) between the western and eastern tropical Indian Ocean.
✅ Also known as the “Indian Niño”.
✅ Plays a crucial role in influencing the Southwest Monsoon.
📍 1997 Example
✅ Despite one of the strongest El Niño events on record, India received 2% above-normal monsoon rainfall.
✅ The surplus rainfall was largely attributed to a strong Positive IOD, which offset El Niño’s drying effect.
📍 Phases of IOD
✅ Positive IOD: Western Indian Ocean warmer; eastern Indian Ocean cooler → Generally strengthens the Indian monsoon.
✅ Negative IOD: Eastern Indian Ocean warmer; western cooler → Weakens the monsoon and increases dry spells.
✅ Neutral IOD: Minimal SST difference between east and west; limited influence on monsoon.
📍 How is IOD Measured?
✅ Measured using the Dipole Mode Index (DMI).
✅ Positive DMI: Western Indian Ocean warmer than eastern.
✅ Negative DMI: Eastern Indian Ocean warmer than western.
✅ Current Status: Neutral IOD.
📍 Impact of IOD
✅ Positive IOD
✅ Enhances Southwest Monsoon over India.
✅ Above-normal rainfall in East Africa.
✅ Drought and bushfires in Indonesia and Australia.
✅ Can partially offset El Niño-induced monsoon deficiency.
✅ Negative IOD
✅ Suppresses monsoon rainfall over India.
✅ Heavy rainfall in Indonesia and Australia.
✅ Drier conditions over East Africa.
✅ Neutral IOD
✅ Near-normal ocean and atmospheric conditions with limited impact on seasonal rainfall.
📍 Current Outlook
✅ IMD forecasts a Neutral IOD during the 2026 monsoon season.
✅ Australian Bureau of Meteorology indicates only a small possibility of a weak Positive IOD during August–September.
✅ If a Positive IOD develops late, it is unlikely to significantly counter a strong El Niño.
📍 UPSC Value Addition
✅ IOD vs El Niño
✅ IOD originates in the Indian Ocean; El Niño originates in the Pacific Ocean.
✅ A Positive IOD can weaken the adverse impact of El Niño on the Indian monsoon, whereas a Negative IOD can amplify drought conditions.
#mains #geography
❤3
🔆 Deep Sea Mining & India’s Critical Mineral Security
📍 Introduction
Deep sea mining refers to extraction of mineral resources from the seabed. For India, it is emerging as a potential source of critical minerals needed for clean-energy manufacturing, batteries and electronics.
📍 Economic Rationale
🟢 Critical mineral security: Nickel, cobalt, copper and manganese are essential for modern industries, while India remains significantly import-dependent.
🟢 Large resource base: India has an ISA exploration contract over 75,000 sq. km in the Central Indian Ocean Basin (CIOB), with an estimated 366–380 million tonnes of polymetallic nodules.
🟢 Technological capability: India has demonstrated an indigenous deep-sea mining crawler at depths beyond 5,000 m.
🟢 Mine-to-metal value chain: Could stimulate offshore engineering, marine robotics, shipbuilding, metallurgy and battery manufacturing.
🟢 Private-sector participation: The 2026 Industry Outreach Workshop seeks to move from government-led exploration towards private capital and engineering partnerships.
📍 Environmental Challenges
🟢 Poorly studied ecosystems: Polymetallic-nodule fields and hydrothermal-vent ecosystems remain inadequately understood.
🟢 Sediment plumes: Mining can disturb seabed sediments and affect surrounding marine ecosystems.
🟢 Biodiversity loss: Damage to deep-sea habitats may be irreversible.
🟢 Precautionary concerns: Several ISA member states have advocated a precautionary moratorium on deep-sea mining.
📍 International-Governance Challenges
🟢 ISA Exploitation Code: Commercial mining in international waters requires finalisation of the ISA Exploitation Code, which remains under negotiation.
🟢 Common Heritage of Mankind: The seabed beyond national jurisdiction is governed under UNCLOS as the common heritage of mankind.
🟢 Benefit sharing: Mining international seabed resources raises questions regarding equitable distribution of benefits among countries.
🟢 Technology & cost: Current crawler trials are proof-of-concept demonstrations rather than commercial-scale systems, making investment returns uncertain.
📍 Way Forward
🟢 Follow a precautionary, science-based approach with robust environmental baselines.
🟢 Finalise the ISA regulatory framework before commercial exploitation.
🟢 Strengthen indigenous technology while ensuring environmental safeguards.
🟢 Develop bankable projects only after assessing ecological, technological and economic viability.
📍 Conclusion
Deep-sea mining can diversify India’s critical-mineral supply chain, but resource security must not come at the cost of deep-ocean ecosystems and equitable global-commons governance. India should therefore pursue technology development alongside strong environmental and international safeguards.
#Geography
📍 Introduction
Deep sea mining refers to extraction of mineral resources from the seabed. For India, it is emerging as a potential source of critical minerals needed for clean-energy manufacturing, batteries and electronics.
📍 Economic Rationale
🟢 Critical mineral security: Nickel, cobalt, copper and manganese are essential for modern industries, while India remains significantly import-dependent.
🟢 Large resource base: India has an ISA exploration contract over 75,000 sq. km in the Central Indian Ocean Basin (CIOB), with an estimated 366–380 million tonnes of polymetallic nodules.
🟢 Technological capability: India has demonstrated an indigenous deep-sea mining crawler at depths beyond 5,000 m.
🟢 Mine-to-metal value chain: Could stimulate offshore engineering, marine robotics, shipbuilding, metallurgy and battery manufacturing.
🟢 Private-sector participation: The 2026 Industry Outreach Workshop seeks to move from government-led exploration towards private capital and engineering partnerships.
📍 Environmental Challenges
🟢 Poorly studied ecosystems: Polymetallic-nodule fields and hydrothermal-vent ecosystems remain inadequately understood.
🟢 Sediment plumes: Mining can disturb seabed sediments and affect surrounding marine ecosystems.
🟢 Biodiversity loss: Damage to deep-sea habitats may be irreversible.
🟢 Precautionary concerns: Several ISA member states have advocated a precautionary moratorium on deep-sea mining.
📍 International-Governance Challenges
🟢 ISA Exploitation Code: Commercial mining in international waters requires finalisation of the ISA Exploitation Code, which remains under negotiation.
🟢 Common Heritage of Mankind: The seabed beyond national jurisdiction is governed under UNCLOS as the common heritage of mankind.
🟢 Benefit sharing: Mining international seabed resources raises questions regarding equitable distribution of benefits among countries.
🟢 Technology & cost: Current crawler trials are proof-of-concept demonstrations rather than commercial-scale systems, making investment returns uncertain.
📍 Way Forward
🟢 Follow a precautionary, science-based approach with robust environmental baselines.
🟢 Finalise the ISA regulatory framework before commercial exploitation.
🟢 Strengthen indigenous technology while ensuring environmental safeguards.
🟢 Develop bankable projects only after assessing ecological, technological and economic viability.
📍 Conclusion
Deep-sea mining can diversify India’s critical-mineral supply chain, but resource security must not come at the cost of deep-ocean ecosystems and equitable global-commons governance. India should therefore pursue technology development alongside strong environmental and international safeguards.
#Geography
❤4👏1
🔆 Indian Ocean Dipole (IOD)
Subject: Geography (GS-I)
📍 Why in Focus?
✅ With forecasts of a Super El Niño, meteorologists are assessing whether a 1997-like positive Indian Ocean Dipole (IOD) could again offset its adverse impact on the Indian monsoon.
📍 What is the Indian Ocean Dipole (IOD)?
✅ An ocean-atmosphere phenomenon characterized by the difference in Sea Surface Temperatures (SSTs) between the western and eastern tropical Indian Ocean.
✅ Also known as the “Indian Niño”.
✅ Plays a crucial role in influencing the Southwest Monsoon.
📍 1997 Example
✅ Despite one of the strongest El Niño events on record, India received 2% above-normal monsoon rainfall.
✅ The surplus rainfall was largely attributed to a strong Positive IOD, which offset El Niño’s drying effect.
📍 Phases of IOD
✅ Positive IOD: Western Indian Ocean warmer; eastern Indian Ocean cooler → Generally strengthens the Indian monsoon.
✅ Negative IOD: Eastern Indian Ocean warmer; western cooler → Weakens the monsoon and increases dry spells.
✅ Neutral IOD: Minimal SST difference between east and west; limited influence on monsoon.
📍 How is IOD Measured?
✅ Measured using the Dipole Mode Index (DMI).
✅ Positive DMI: Western Indian Ocean warmer than eastern.
✅ Negative DMI: Eastern Indian Ocean warmer than western.
✅ Current Status: Neutral IOD.
📍 Impact of IOD
✅ Positive IOD
✅ Enhances Southwest Monsoon over India.
✅ Above-normal rainfall in East Africa.
✅ Drought and bushfires in Indonesia and Australia.
✅ Can partially offset El Niño-induced monsoon deficiency.
✅ Negative IOD
✅ Suppresses monsoon rainfall over India.
✅ Heavy rainfall in Indonesia and Australia.
✅ Drier conditions over East Africa.
✅ Neutral IOD
✅ Near-normal ocean and atmospheric conditions with limited impact on seasonal rainfall.
📍 Current Outlook
✅ IMD forecasts a Neutral IOD during the 2026 monsoon season.
✅ Australian Bureau of Meteorology indicates only a small possibility of a weak Positive IOD during August–September.
✅ If a Positive IOD develops late, it is unlikely to significantly counter a strong El Niño.
📍 UPSC Value Addition
✅ IOD vs El Niño
✅ IOD originates in the Indian Ocean; El Niño originates in the Pacific Ocean.
✅ A Positive IOD can weaken the adverse impact of El Niño on the Indian monsoon, whereas a Negative IOD can amplify drought conditions.
#mains #geography
Subject: Geography (GS-I)
📍 Why in Focus?
✅ With forecasts of a Super El Niño, meteorologists are assessing whether a 1997-like positive Indian Ocean Dipole (IOD) could again offset its adverse impact on the Indian monsoon.
📍 What is the Indian Ocean Dipole (IOD)?
✅ An ocean-atmosphere phenomenon characterized by the difference in Sea Surface Temperatures (SSTs) between the western and eastern tropical Indian Ocean.
✅ Also known as the “Indian Niño”.
✅ Plays a crucial role in influencing the Southwest Monsoon.
📍 1997 Example
✅ Despite one of the strongest El Niño events on record, India received 2% above-normal monsoon rainfall.
✅ The surplus rainfall was largely attributed to a strong Positive IOD, which offset El Niño’s drying effect.
📍 Phases of IOD
✅ Positive IOD: Western Indian Ocean warmer; eastern Indian Ocean cooler → Generally strengthens the Indian monsoon.
✅ Negative IOD: Eastern Indian Ocean warmer; western cooler → Weakens the monsoon and increases dry spells.
✅ Neutral IOD: Minimal SST difference between east and west; limited influence on monsoon.
📍 How is IOD Measured?
✅ Measured using the Dipole Mode Index (DMI).
✅ Positive DMI: Western Indian Ocean warmer than eastern.
✅ Negative DMI: Eastern Indian Ocean warmer than western.
✅ Current Status: Neutral IOD.
📍 Impact of IOD
✅ Positive IOD
✅ Enhances Southwest Monsoon over India.
✅ Above-normal rainfall in East Africa.
✅ Drought and bushfires in Indonesia and Australia.
✅ Can partially offset El Niño-induced monsoon deficiency.
✅ Negative IOD
✅ Suppresses monsoon rainfall over India.
✅ Heavy rainfall in Indonesia and Australia.
✅ Drier conditions over East Africa.
✅ Neutral IOD
✅ Near-normal ocean and atmospheric conditions with limited impact on seasonal rainfall.
📍 Current Outlook
✅ IMD forecasts a Neutral IOD during the 2026 monsoon season.
✅ Australian Bureau of Meteorology indicates only a small possibility of a weak Positive IOD during August–September.
✅ If a Positive IOD develops late, it is unlikely to significantly counter a strong El Niño.
📍 UPSC Value Addition
✅ IOD vs El Niño
✅ IOD originates in the Indian Ocean; El Niño originates in the Pacific Ocean.
✅ A Positive IOD can weaken the adverse impact of El Niño on the Indian monsoon, whereas a Negative IOD can amplify drought conditions.
#mains #geography
❤8