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_ASTRO_1_HOMEWORK_5_QUESTIONS - Astronomy 1 Alexia Márquez...

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Astronomy 1Homework 5Alexia MárquezSection: Padilla,Th 4 PMASTRO 1 - HOMEWORK 51.(a) How many degrees warmer is the earth’s surface due to the (natural)greenhouse effect compared to what it would be if we had no atmosphere? You canfind this answer in the book or online; it was also cited in class.
(b) Explain this higher temperature (qualitatively) in terms of thetransparency of our atmosphere in a particular wavelength range.
(c) By what fraction have humans increased the carbon dioxide (CO2) in theatmosphere This increase started with the Industrial Revolution, so for your startingconcentration, find a value that goes back at least to 1800.
2.This is a multistep problem, and a bit complicated, but it will lead you to your ownroughly accurate estimate of the warming from the present level of CO2 in theatmosphere.(a) Estimate, from the above problem, how much hotter the Earth willeventually get if the level of carbon dioxide and other human-made greenhousegases remain at the present value. You will do this by estimating the increase intemperature due to the part of the natural greenhouse effect which is attributableto CO2, and then making an extrapolation to today’s CO2 concentration. (For the

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Term
Fall
Professor
Rose
Tags
Plate Tectonics, Greenhouse gas, Volcano

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