Solar/Terrestrial radiation curves Gases Thermal and Solar radiation P335 : Lect RadT and Spectra Sergio DeSouza-Machado, Ruben Delgado Department of Physics, JCET University of Maryland Baltimore County (UMBC) Fall 2016 1 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation Hadley, Ferrel, Polar Cells https://upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Earth_Gl _en.svg/2000px-Earth_Global_Circulation_-_en.svg.png 2 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation Interactions in Earth System http://www.lakhankar.com/ess/images/Five-Spheres.png 3 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation http://missionscience.nasa.gov/images/ems/emsIntro_mainContent_Elec 4 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation Solar vs Terrestrial https://scienceofdoom.files.wordpress.com/2009/11/blackbody_curvesun-earth.jpg 5 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation Atmospheric Gases http://www.climate-change-knowledge.org/uploads/molecules.gif 6 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation Transitions http://www.wag.caltech.edu/home/jang/genchem/ir_img3.gif 7 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation WV molecule nice gif of the stretching/bending of WV http://images.slideplayer.com/14/4178834/slides/slide_1.jpg 8 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation WV molecule Warning : This is for very HOT exoplanets, but illustrates a) the strong temperature dependance b) the abs coeff strength at "regular spacing", reducing with increasing freq http://d29qn7q9z0j1p6.cloudfront.net/content/roypta/370/1968/2749/ http://rsta.royalsocietypublishing.org/content/370/1968/2749 9 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation CO2 CO2 modes http://chemistry.elmhurst.edu/vchembook/images/irCO2.JPEG 10 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation CO2 at 15 um http://home.pcisys.net/ bestwork.1/CalcAbs/SrhoCO2NB.png 11 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation N2O http://chemistry.elmhurst.edu/vchembook/images/irN2O.JPEG 12 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation ERA T and WV profiles, zonal avg 13 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation Energy balance Cloud Radiative Effects 14 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation Solar Radiation http://topex.ucsd.edu/rs/radiation.pdf Figure shows blackbody radiation curves for the Sun at 6000˚K and the Earth at 288˚K. The solar radiation peaks in the visible part of the spectrum while the Earth has a peak in the thermal infrared part of the spectrum (~ 10 µm). 15 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation Solar Radiation http://topex.ucsd.edu/rs/radiation.pdf Radiation from the Sun and Earth Figure shows the theoretical blackbody radiation curve for 5250˚C (black curve). Solar radiation at the top of the atmosphere is well approximated by a blackbody spectrum (yellow). The atmosphere absorbs and reflects radiation so the spectral radiance at sea level is lower and has bands of low incident radiation. Note that the peak in the spectral radiance from the sun occurs in the visible part of the spectrum. 16 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation Terrestrial IR http://acmg.seas.harvard.edu/people/faculty/djj/book/bookchap7-15.gif 17 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation Terrestrial IR http://acmg.seas.harvard.edu/people/faculty/djj/book/bookhwk71.gif 18 Solar/Terrestrial radiation curves Gases Thermal and Solar radiation Terrestrial IR + MW https://climatephys.files.wordpress.com/2012/06/upwelling_toa12.jpg 19
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