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Prelim Bits 18-02-2018

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February 18, 2018

Surajkund- Lake of the sun

  • The place where Surajkund Mela takes place has an ancient connection to Tomar Dynasty.
  • Surajkund (the lake of the sun) is the oldest-surviving monument of Delhi.
  • Suraj Pal Tomar, in the 10th century, built Surajkund, the huge water reservoir along with a sun temple on the western bank.
  • The reservoir was constructed around 686 AD,as said by Syed Ahmed Khan in his book Asar-us-Sanadid.
  • The reservoir is built against the backdrop of Aravalli Hills forming a semi-circular shaped embankment.

  • It is designed in the shape of a rising sun with an eastward arc.

Forest owlet

  • The century old debate on forest owlet’s genetic relationship with spotted owlet is resolved.
  • The bird belongs to the same genus as spotted owlet (Athene).

     

 

  • The Heteroglaux blewetti is endangered under IUCN classification.
  • Also the bird is endemic to the central Indian forests.
  • It is sedentary resident with recent sightings from fairly open dry deciduous forest dominated by teak.
  • The species faces a number of threats such as forest loss and degradation as a result of illegal logging and human encroachment, forest fires and minor irrigation dams.
  • The birds is included under CITES Appendix 1.

Sunderbans Mangrove forest

  • Unique mangrove ecosystem that hosts a sizeable tiger population is unable to expand due to developmental pressures and sea level rise.
  • The Indian Sunderbans that comprise almost 43% of total mangrove cover.
  • ‘State of Art Report on Biodiversity in Indian Sundarbans’ published by World Wide Fund for Nature, India, outlines the threats facing the ecosystem.
  • The threats are climate change, habitat degradation due to industrial pollution and human disturbance, fuel-wood collection.
  • If the present rate of change prevails, the Sunderbans may disappear due to sea level rise.
  • Its natural response to retreat further inland is blocked by geographical features and man-made obstructions.
  • The population density of the Indian Sunderbans outside the Tiger Reserve area is 1,000 people per sq km.
  • Rehabilitation of former mangrove areas and creation of new mangrove habitations through intensified afforestation program are the only way out.

Jatan and Darshak

  • Centre for Development for Advanced Computing (C-DAC), has developed software named “Jatan” that is set to revolutionize museum experience.
  • The latest technology will help online visitors get a 3-Dimensional (3D) view of hundreds of artifacts displayed at the museums.
  • The software will enable virtual tours to museums.
  • The group has developed “Darshak”, a mobile-based application, aimed at improving the museum visit experience among the differently-abled.
  • It allows real-time museum visitors gather all details about objects or artifacts simply by scanning a QR code placed near the object.
  • C-DAC  is the premier R&D organization of the Ministry of Electronics and Information Technology (MeitY) for carrying out R&D in IT, Electronics and associated areas.

Atal Bhoojal Yojana

  • Atal Bhoojal Yojana is an ambitious plan aimed at efficient management of available water resources.
  • Atal Bhujal Yojana will focus on demand side management (how to meet requirements by minimum use of water).
  • The emphasis of the scheme will be on recharge of ground water sources and efficient use of water by involving people at the local level.
  • The half of the fund of 6000 crore will be supported by a world bank loan of 3000 crore and the rest will be funded by central government.
  • It would initially be implemented with community participation in Gujarat, Maharashtra, Haryana, Karnataka, Rajasthan, Uttar Pradesh and Madhya Pradesh.

Enhanced Oil Recovery Program –ONGC

  • The program plans to introduce carbon dioxide injection in oil field to recover an extra 20 million barrels of crude oil.
  • It is carried out by Oil and Natural Gas Corporation in its Gandhar field.
  • The plan is carried out under enhanced oil recovery (EOR) program, whose objective is to improve India’s energy security.
  • It will be the first large scale CO2 injected project in South Asia.
  • Injected gas is miscible with residual oil and reduces its viscosity, making it easier to displace the oil from the rock pores.

 

Source: PIB, The Hindu, Business Standard

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