Ocean Energy Systems Upsc

Biorock technology coral restoration upsc ias.

Ocean energy systems upsc.

Ocean makes up nearly 70 of the earth s surface. The need for technology cooperation was identified in response to increased activity in the development of ocean wave and tidal current energy in the latter part of the 1990 s and the beginning of this decade primarily in denmark portugal and the. The seismic waves travelling through the ocean and sea water results into high sea waves whichare known as tsunami. Land is a scarce resource for many regions so on shore solutions have to compete and can extend to a limit but ocean energies are provided by the.

By lotus arise february 16 2020 february 16. Ocean energy to be considered as renewable energy current affairs 2019 upsc ias upsc2020. In upsc prelims general studies paper geography is included as well as in the main exam s gs paper 1. Coral reefs are one of the most biologically diverse marine ecosystems on the earth ecologically coral reefs are important because they are the counterpart to the tropical rain forest in terms of species diversity and biological productivity in the ocean.

The change in the total energy of the tsunami remains constant. Upsc optionals we have covered almost all major upsc optionals. On the bright side the government has recently approved the proposal to declare ocean energy tidal energy wave energy ocean thermal energy etc as renewable energy thus making it eligible to meet the non solar renewable purchase obligation rpo. Tsunami is a japanese term.

Upsc geography optional syllabus is also given in detail below. Introduction to ocean energy oceans cover 70 percent of the earth s surface and represent an enormous amount of energy in the form of wave tidal marine current and thermal gradient. Tsunami and its causes tsunami warning systems upsc. Closed cycle ocean thermal energy conversion systems use a working fluid with a low boiling point ammonia for example and use it to power a turbine to generate electricity warm seawater is taken in from the surface of the oceans and cold water from the deep at 5 o the warm seawater vaporizes the fluid in the heat exchanger which then turns the turbines of the generator.

Iea technology collaboration programme on ocean energy systems has published in depth inte. A variety of different technologies are currently under development throughout the world to harness this energy in all its forms. Geography syllabus for upsc prelims. Moving water is more than 800 times denser than moving air which multiplies the kinetic energy by the same factor and opens up the scope of huge amounts of energy.