Earth Radiation Balance Project

Battle against Global Warming: The Earth Radiation Balance Factor Submitted by – Suryaveer Singh (PGT Geography) S.D.PUBLIC SCHOOL, BU BLOCK, PITAMPURA, DELHI -110088

The Battle Against Global Warming The Earth Radiation Balance Factor

Why we are here? ,[object Object],[object Object],[object Object],[object Object]

The bleak and Iceless future ,[object Object],[object Object],Source: NASA

The symptoms of Global Warming ,[object Object],[object Object],(Source: Times of India)

Extreme weather events ,[object Object],[object Object],(Source: Earth Observatory)

Anthropogenic effect on climate ,[object Object],[object Object]

Earth’s Radiation Balance ,[object Object],[object Object],[object Object]

The Earth’s Radiation Balance Assume 100 units of incoming solar energy (insolation): (ncert, p. 65) 100 units 6 reflected by clouds 27 2 reflected by ground Backscattered 10 Absorbed by atmosphere 4 absorbed by clouds 51 absorbed by ground ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],albedo

The Radiation Balance: Longwave Absorbed by CFCs, CH 4 , N 2 O, CO 2 , O 3 17 23 Turbulance and convection Condensation Emission by GHGs 48 9 19 6 = 51 = 65 Direct radiation by earth

The Earth’s Heat Budget 17 23 wind Cond. 48 9 19 6 27 2 100 51 4 10 shortwave long wave total +100 -100 +51 -51 6

Greenhouse Effect ,[object Object],[object Object]

Rest is simple mathematics ,[object Object],Annual quantity of longwave Radiation absorbed in the a Atmosphere. ( Image created by the CoVis Greenhouse Effect Visualizer ).

Warming Up ,[object Object],[object Object],[object Object]

Other factors: Sunspots ,[object Object],[object Object],Source: www.physicalgeography.net/)

Volcanism ,[object Object],[object Object],( Source: U.S. Geological Survey, photograph by Austin Post ).

Efforts which can be done! ,[object Object],[object Object],[object Object]

Lets do it! ,[object Object],[object Object],[object Object],[object Object]

Acknowledgements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Earth Radiation Balance Project

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