24 Jul

Table of contents

1   News in Brief

●  

Geothermal Energy prospects in India

●  

Forest Fires- A Regional Perspective

2   Key Terms

●  

Rural- Urban Fringe

●  

Sinking Creek

●  

Biomass Towns: Japan

●  

Tors

3   Places in the News

●  

Places in news

.... Show less Show more
News in Brief

Geothermal Energy prospects in India


  • In news: ONGC to undertake India’s first geothermal field development project in ladakh.
  • What is geothermal energy: Geothermal energy is a type of renewable energytaken from the Earth’s core. It comes from heat generated during the original formation of the planet and the radioactive decay of materials. This thermal energy is stored in rocks and fluids in the centre of the earth.
  • Potential of geothermal energy in India:

India has about 10,000 MW of geothermal power potential. Rocks of India range in age from more than 4500 million years to the present day and comprise of Archean, Proterozoic, Palaeozoic, Mesozoic, Tertiary, Quaternary etc. These rocks stores geothermal energy i.e. earth's natural internal heat.

More than 300 hot spring locations have been identified by Geological survey of India with temperature ranges from 35° C to as much as 98° C.

  • Benefits associated with geothermal energy:
    • As growth pole in regional planning strategies, in remote and harsh terrain areas, GPP can promote regional development based on local resources.
    • It can help handle environmental issues and contributes to reduced global warming effects and public health risks resulting from the use of conventional energy sources.
    • It is available year-long (whereas solar and wind energy present higher variability and intermittence) and can be found around the globe.
    • For India, the deployment of geothermal energy helps reduce a country’s dependence on fossil fuels.
    • Geothermal power plants use a renewable resource that is not susceptible to price fluctuations.

  • Case study: Ladakh will get India’s first geothermal power project to tap the potential of natural geysers in Puga area

Puga is the most promising geothermal field in India, discovered in 1970s by Geological Survey of India (GSI).

Conditions like:

  • high transportation cost of Conventional fuels
  • poor combustion of extracted energy due to in-sufficient oxygen at high altitude
  • difficult terrain

has renewed focus on geothermal perpetual form of energy for overall sustainable development of this strategically important border region.

   

  • Geothermal energy can compliment other renewable energy sources towards fulfilling India, INDC target of improving carbon emission intensity and to ensure self sufficiency of energy needs of India.
  • Where can we use it:

Geography:

P1: Climatology (climate change), Environment Geo (sustainable dev), Economic Geo (Resources, Energy crises), Regional planning and development.

P2: Resources (energy), Regional planning and development, contemporary issues.

Keywords: UPSC, Geography, Geothermal Energy prospects in India
News in Brief

Forest Fires- A Regional Perspective


  • Why in news: India has seen a drastic rise in forest fires since the start of 2021- states like Madhya Pradesh, Mizoram, Uttarakhand, and Odishawitnessed big forest fires this year, causing loss of biodiversity and livelihood.
  • Background: Wildfire, also called forest, bush or vegetation fire, can be described as any uncontrolled and non-prescribed combustion or burning of plants in a natural setting such as a forest, grassland, brush land or tundra, which consumes the natural fuels and spreads based on environmental conditions (e.g., wind, topography).
  • Incidences of forest fires across world:

  • Causes and consequences of forest fires: According to the Intergovernmental Panel on Climate Change (IPCC), climate change increases the likelihood of droughts, storms and other weather anomalies- the increase in forest fires can be attributed to the rise in temperatures due to anthropogenic climate change across world.

     

  • Forest fires in India: An analysis done by the Forest Survey of India in 2019:
    • Nearly 40% of forests in India are exposed to occasional fires, 7.49% to moderately frequent fires and 2.4% to high incidence levels while 35.71% of India’s forestshave not yet been exposed to fires of any real significance.
    • Forests of the Northeast and central India regions are the most vulnerable areas to forest fires.
  • Case study: Forest fire in Simlipal, Odisha’s Mayurbhanj district. 

Generally, with the onset of summers and towards the end of autumn, area remains vulnerable to forest fires and dry, fallen leaves from shedding of deciduous forests provide a ready source of fuel for the fire. In 2021, another massive fire in  Simplipal forest have affected the ecologically sensitive Simplipal Biosphere Reserve, and caused widespread damage to the local environment as well as property and livelihoods.

 

  • National Disaster Management Authority (NDMA) has not recognized forest fires as natural hazards- because in India most of such fires are deliberately caused by people mainly for agricultural purposes and, therefore, it is an anthropogenic man-made hazard.
  • National Action Plan on Forest Fires (NAPFF)was launched in 2018 aims to minimize forest by informing, enabling and empowering forest fringe communities and by incentivizing them to work in tandem with the forest departments.
  • Where can we use it

Geography:

 P1- Climatology (Climate Change), Biogeography (Soil degradation, factors influencing distribution of plants and animals, problems of deforestation, wild life), Environment Geo (influence of man on environment, regional ecological changes, ecosystem management, environ degradation, biodiversity, sustainable dev, environ hazards), Regional dev.

P2: Physical setting (natural vegetation, droughts, rainfall patterns), Resources (forest, soil), Cultural setting (tribal issues, migration), Regional planning and development.

Keywords: UPSC, Geography, Forest Fires- A Regional Perspective
Key Terms

Rural- Urban Fringe


  • It is a zone of transition between the continuously built-up urban and suburban areas of the central city and the rural hinterland.
  • It can be formally defined as “the area of transition between-recognized urban land use and the area devoted to agriculture.”
  • It's a manmade version of the "edge effect", which in the natural world is the juxtaposition of two contrasting environments or ecosystems.

Characteristics:

  • Common land-uses: Airports, golf course, horse-race, sewage treatment plants, large sized godowns and farm houses.
  • Intensive land use , arable land is devoted to perishable commodities.
  • Encroachment of residential and industrial estates.
  • Small farm holdings.
  • Inadequate social amenities and public utility facilities.

Keywords: UPSC, Geography, Rural- Urban Fringe
Key Terms

Sinking Creek


  • Sinking creek is a type of karst landform. There is presence of numerous closely-spaced small sink-holes on the karst plain.These sink holes act as funnels because surface water disappears to go underground through these holes. When surface water disappears through numerous sinkholes located in a line, the resultant feature is called sinking creek.
  • The point through which water goes downward, is called ‘sink’.
  • The water of short rivers disappears through a single ‘sink’ while that of large streams disappears through many sinks.
  • Characteristics: The elevation near the mouth of Sinking Creek is 350 m above sea level. The elevation of the creek's source is approximately 500 m above sea level. The conditions that promote creek development are dense limestone near the surface; a moderate to heavy rainfall; and good groundwater circulation.

Sinking Creeks-Karst Landforms

Sinking Creek across globe: The Virginia South-eastern state of USA has presence of many sinking creeks. Even some creeks are million years old. Another example of sinking creeks is in Slovenia (East Europe).

Keywords: UPSC, Geography, Sinking Creek
Key Terms

Biomass Towns: Japan


Background: The Fukushima accident has pushed Japan to further develop its renewables initiative, particularly the biomass energy commodity. Their projection for the 2030 energy mix includes a biomass share of 4%. Further, a policy was introduced in 2002 called the Biomass Nippon Strategy. This was revised in 2006, fortifying the creation of Biomass Towns.

How biomass is utilized in the biomass towns of Japan under its Biomass Nippon Strategy?

 

   

The Japanese Biomass Town Plan model has been applied in other four countries (Indonesia, Malaysia, Thailand and Vietnam) in the ASEAN through a supporting ministry in these countries. This can be replicated in India also which is having high potential of biomass about 500 metric tons per year availability.

Where this Case Study can be used?

This case study can be used in topics related to GS3 (Renewable Energy, Sustainable Development, Inclusive Growth), Optional Paper 1 (Sustainable Development, Energy Crisis, Regional development strategies), Optional Paper 2 (Biotic resources, Energy Crisis, Integrated rural development, Tribal area development, Sustainable growth).

Keywords: UPSC, Geography, Biomass Towns: Japan
Key Terms

Tors


  • Tors, one of the most controversial landforms, are piles of broken and exposed masses of hard rocks having a crown of rock blocks of different sizes on the top and clitters (trains of blocks) on the sides.
  • Characteristics: The rock blocks, main components of tors, may be cuboidal, rounded, angular, enlarged etc. in shape. They may be seated at the top of the hills, on the flanks of the hills or on flat basal platforms ranging from 6m to 30m in height.
  • Where are they found? They are found in different climates varying from cold to hot and dry to humid. Though tors have developed over almost all types of rocks but they are frequently found in the regions of granites.
  • How are they formed? Various theories have been put forth to explain the formation of tors, but there is no unanimity among them because tors are not confined to a particular rock type and climate. For example 1) in periglacial areas tors are formed due to weathering of rocks along the joints through the process of Congelifraction and removal of weathered materials through Congelifluction (i.e. Periglacial theory by J. Palmer). 2) Tors in the Bohemian uplands are formed due to two processes i.e. frost weathering and removal of weathered material operating together (i.e. Two stage theory by Demak).
  • Tors in India: In India tors have been found over granites (Chotanagpur highlands i.e. Palamau upland, Ranchi plateau, Singhbhum area etc.), basalts (Deccan plateau), sandstones (Rhotas plateau, Rewa plateau, JNU campus) etc.

Keywords: UPSC, Geography, Tors
Places in the News

Places in news


Leh:

  • Why in news: NTPC to setup India’s first green hydrogen mobility project in Leh.
  • It’s the largest town of the union territory of Ladakh in India.
  • It is located in the valley of upper Indus River, surrounded by the peaks of Ladakh Range (a south eastern extension of the Karakoram Range).
  • Climate: Cold desert type (Koppen, Bwk), Soils: Sandy loam
  • It faces several environmental hazards such as snow avalanche, flash floods, landslides and also highly earthquake prone (placed in zone IV of Earth quake Damage Risk zone).

Kalaburagi:

  • Why in news: The Krishi Vigyan Kendra (KVK) of Kalaburagi bagged the national award Pandit Deendayal Upadhyay Krishi Vigyan Protsahan Puraskar-2020.
  • Also known as Gulbarga, is a city situated in Northern Karnataka.
  • Entirely lies on the Deccan plateau, inundated by Krishna and Bhima Rivers.
  • Climate: Hot semi-arid type (Koppen, BSh), Tribes: Koli Dhor.
  • Black soils are predominant here. Main crops are groundnut, rice, and pulses.

Chakrata:

  • Why in news: India’s first cryptogamic garden was inaugurated in Chakrata town.
  • It’s a cantonment town in the Dehradun district of Uttarakhand. Situated in the Doon valley on the foot hills of lesser Himalayas.
  • Climate: humid subtropical type & summers can be intense because of Loo winds, Soils: Fertile Alluvial.
  • Vegetation here includes sub alpine and alpine forests. Conifers, rhododendrons and oaks are the main species.
  • Tiger falls and Karst landscapes of Budher are among the major tourist attractions here.

Jharia Coal fields:

  • Why in news: A master plan was drawn to rehabilitate affected families from Jharia coal fields to a safer location.
  • It represents the largest coal reserves in India, located in the state of Jharkhand.
  • It lies in the Damodar River Valley and produces bituminous coal suitable for coke.
  • The area surrounded by Jharia coal fields is affected by various environmental hazards such as, coal fire, subsidence, land degradation and toxic gas emissions.
  • Tribes: Munda, Mahli and Kora

Ken-Betwa Link Project:

  • Why in news: Ignoring Damning SC Panel Report, Modi Govt Kickstarts Work on Ken-Betwa Link Project.
  • It is the first project under the National Perspective Plan for interlinking of rivers.
  • Under this project, water from the Ken River will be transferred to the Betwa River. Both these rivers are tributaries of river Yamuna.
  • Ken and Betwa rivers originate in MP. Ken meets with Yamuna in Banda district of UP and with Betwa in Hamirpur district of UP.
  • This project will be of immense benefit to the water-starved region of Bundelkhand.

Devanampattinam:

  • Why in news: Fisherwomen hailing from Devanampattinam sit on hunger strike over ban on use of purse seine nets.
  • It’s a coastal hamlet in the Cuddalore district of Tamilnadu.
  • Tropical wet and dry climate (Koppen, As) and receives majority of its rainfall from the North East retreating monsoon, Soils: Black and Alluvial type.
  • Famous for its tertiary sandstone deposits.

Keywords: UPSC, Geography, Places in news
Rating 0.0
Please rate the article below, your opinion matter to us
A notification message..

Share the article

Subscribe now

Get Latest Updates on Offers, Event dates, and free Mentorship sessions.

*you’ll be agreeing to our Terms & Conditions
Get in touch with our Expert Academic Counsellors

Get in touch with our Expert Academic Counsellors 👋

Preferred time to call

Frequently Asked Questions

Geography Current Affairs focuses on the contemporary issues, events, and developments in the field of geography. It covers recent geographical phenomena, environmental changes, geopolitical shifts, and related news. This differs from regular geography studies which may focus more on foundational concepts, historical contexts, and theoretical frameworks.

Updates are provided regularly to ensure that subscribers stay informed about the latest developments in geography. Typically, updates are provided on a fortnightly basis, depending on the frequency of significant events and changes in the field.

Absolutely. Geography Current Affairs serves as a valuable resource not only for Geography optional but also for GS papers, especially GS Paper 1 (covering Indian Heritage and Culture, History, and Geography of the World and Society) and GS Paper 3 (covering Technology, Economic Development, Biodiversity, Environment, Security, and Disaster Management). It aids in building a holistic understanding of various topics and strengthens answer-writing skills by incorporating contemporary examples and perspectives.

Geography Current Affairs holds immense importance for UPSC preparation, particularly for aspirants opting for Geography optional. It helps candidates stay updated with the latest developments, geographical phenomena, environmental issues, and geopolitical shifts worldwide, aligning them with the dynamic nature of the subject as tested in the UPSC examinations.

Have questions about a course or test series?

unread messages    ?   
Ask an Expert

Enquiry

Help us make sure you are you through an OTP:

Please enter correct Name

Please authenticate via OTP

Resend OTP
Please enter correct mobile number
Please enter OTP

Please enter correct Name
Resend OTP
Please enter correct mobile number

OTP has been sent.

Please enter OTP