Earth modelling 0.0 / 5 ? GeographyEarth & Ocean systemsUniversityNone Created by: AnnaFHarrisonCreated on: 13-01-18 11:41 What controls the temperature of Earth? The radiative balance (governed by surface properties and atmospheric composition) 1 of 12 What is the difference between short wave and long wave radiation? short wave = sun, UV, visible; long wave = earth, infrared 2 of 12 What is the solar constant (S0)? the solar output at Earth's distance from sun. 3 of 12 What is the equation for average ISWR (Sbar)? Sbar = S(0) / 4 = 342 Wm(-2) 4 of 12 What value balances the amount of incoming short-wave radiation (ISWR)? outgoing long-wave radiation (OLWR) 5 of 12 How do you model ISWR? model the land/sea surface and its interactions with the rest of the universe under a constant temperature 6 of 12 Why can OLWR be observed by simple models? It forms a linear correlation with temperature and is not dependent on spacial distribution of heat 7 of 12 How does temperature affect OLWR? OLWR increases at higher surface temperatures (higher nearer equator) 8 of 12 How is OLWR calculated? The Stefan-Bolzmann law 9 of 12 What percentage of OLWR is transmitted to space? approx. 60% 10 of 12 Define "effective temperature" (Teff) the temperature of the Earth in the absense of an atmosphere 11 of 12 What is the natural greenhouse effect? The natural temperature of the earth with it atmospher (approx 33 C) 12 of 12
Comments
No comments have yet been made