ATMS 749 Radiation Transfer Notes [Main Page] [Homework] [previous notes 2006 ]

Radiation Transfer Hangouts.

11 Dec 08 Thursday

7:30 a.m. to 9:30 a.m. Final Exam.

9 Dec 08 Tuesday

We will discuss the homework solutions.

Read and work through each step of the excellent paper on multiple scattering by Craig Bohren.
We will use this for lecture and the next homework assignment.
CH13 Presentation for the 2 stream model and the homework assignment.
Read chapters 11, 12, 13, introduction to multiple scattering, the single scattering approximation;
then particle optics, followed by a more rigorous approach to multiple scattering.
CH11 Presentation for the general radiative transfer equation with scattering, and the single scattering approximation.
CH12 Presentation on scattering, absorption, and emission by particles.

4 Dec 08 Tuesday

Read and work through each step of the excellent paper on multiple scattering by Craig Bohren.
We will use this for lecture and the next homework assignment.
CH13 Presentation for the 2 stream model and the homework assignment.
Read chapters 11, 12, 13, introduction to multiple scattering, the single scattering approximation;
then particle optics, followed by a more rigorous approach to multiple scattering.
CH11 Presentation for the general radiative transfer equation with scattering, and the single scattering approximation.
CH12 Presentation on scattering, absorption, and emission by particles.

2 Dec 08 Tuesday

Read and work through each step of the excellent paper on multiple scattering by Craig Bohren.
We will use this for lecture and the next homework assignment.
CH13 Presentation for the 2 stream model and the homework assignment.
Read chapters 11, 12, 13, introduction to multiple scattering, the single scattering approximation;
then particle optics, followed by a more rigorous approach to multiple scattering.
CH11 Presentation for the general radiative transfer equation with scattering, and the single scattering approximation.
CH12 Presentation on scattering, absorption, and emission by particles.

25 Nov 08 Tuesday

Students present solutions for their homework assignments.
Read and work through each step of the excellent paper on multiple scattering by Craig Bohren.
We will use this for lecture and the next homework assignment.
CH13 Presentation for the 2 stream model and the homework assignment.
Read chapters 11, 12, 13, introduction to multiple scattering, the single scattering approximation;
then particle optics, followed by a more rigorous approach to multiple scattering.
CH11 Presentation for the general radiative transfer equation with scattering, and the single scattering approximation.
CH12 Presentation on scattering, absorption, and emission by particles.

20 Nov 08 Thursday

Read Chapter 9. CH9 Presentation. Discuss the homework assignment #10.

18 Nov 08 Tuesday

Students present data summary from measurements on 6 November.
Read Chapter 9. CH9 Presentation.

13 Nov 08 Thursday

Here is the data from 6 Nov 08. It is a large file. Grab the data and analyze it. We have both IR and solar wavelength data.
A homework assignment will be designed for it. (Solar and IR groups, describe what the data shows.)
Soundings for 6 Nov 08: 4 a.m., 4 p.m..
The vortex generator had a purpose after all! Check out this contrail.
Madhu will do the mathematica training, along with a presentation on the NASA-A train constellation of satellites for remote sensing.
Check out the column ozone amount for 08, globaly, so far, from this site. (see UV column ozone amount units.)

6 Nov 08 Thursday

FTIR measurements outside from before sunrise to after normal class time. Need volunteers for various times.
Also, will use the solar wavelength spectrometer for radiance, irradiance.
Orchestrate class visit by the WISE program, discuss Atmospheric Science in general, and demo IR to students .
Turned out to be a fantastic measurement day! Thanks to all, class of 2008.
RESULTS: IR, SOLAR, WEATHER SUMMARY.

4 Nov 08 Tuesday

Discussion of the homework from CH8, and CH8 presentation.
Read CH9, coming up, Ch9 presentation. Absorption by atmospheric gases .
Prepare for field day on 6 Nov 08. FTIR spectrometer presentation.

30 Oct 08 Thursday

Student skill exchange: Matlab and Mathematica training session. Then more CH8. Matlab Code Used by Stephen: Main Program, Mie Functions.
Albedo of smoke and clouds image from July 10th, 2008.
For the homework, review these images from the spectroscopy site: 5 cm-1 resolution, details, and 0.01 cm-1 resolution.
Ch8 presentation. Atmospheric emission. Read CH9, coming up, Ch9 presentation. Absorption by atmospheric gases .

28 Oct 08 Tuesday

Ch8 presentation. Atmospheric emission.

23 Oct 08 Thursday

Students present their solutions to the aerosol indirect effect problems.
Ch8 presentation. Atmospheric emission.

21 Oct 08 Tuesday

Ch7 presentation.
Midterm 1 discussion. Bring any questions.
Cloud droplet asymmetry parameter file, and the fortran Mie code used to obtain it.
Covers Ch1 - Ch7 and everything below to this point.
Color in the sky, student photographs.

16 Oct 08 Thursday

Midterm 1. Covers Ch1 - Ch7 and everything below to this point.

14 Oct 08 Tuesday

Ch7 presentation . Read Chapter 7.

9 Oct 08 Thursday

Ch7 presentation Read Chapter 7. Discuss homework for upcoming class. Bring questions to class.

7 Oct 08 Tuesday

Ch7 presentation . Read Chapter 7. Review homework.

2 Oct 08 Thursday

Ch6 presentation (2nd part).
Discuss homework. Bring questions to class.
Students must go through these online tutorials on microwave active and passive remote sensing:
1. Microwave remote sensing introduction, 2. Applications, 3. Advanced Applications.
Spreadsheet to calculate polarized reflectances: May be useful to check your results.

30 Sep 08 Tuesday

Ch6 presentation (lst part). Read chapter 6 in preparation.
Simple model for surface temperature given in presentation.
Discuss homework. Bring questions to class.

25 Sep 08 Thursday

Finish Ch5 presentation.
Primer for the aerosol optics presentation in the afternoon: application of Ch4 and Ch5.
Ch6 presentation (lst part). Read chapter 6 in preparation.
Discuss homework. Bring questions to class.

23 Sep 08 Tuesday

Ch5 presentation. Read chapter 5 and chapter 6 in preparation.
Discuss selected solutions to homework 4 (students will present their results).

18 Sep 08 Thursday

Ch4 presentation. Read chapter 4 and chapter 5 in preparation.
Discuss computational methods needed to solve homework 4.
Practice presentation on aerosol optics.

16 Sep 08 Tuesday

Students present their sun photometer measurements (we will use the opaque projector, so your results can be presented from paper graphs.)
Ch4 presentation. Read chapter 4 in preparation.
Go to one radiation transfer hangout.
Get started on the homework early.
Atmospheric Optics

11 Sep 08 Thursday

Ch3 presentation. Read chapter 3 in preparation.
Sun photometer theory, practical aspects of the instruments.
Sunphotometer presentation.
Sun photometer measurements and discussion of the homework. Notes for homework.

9 Sep 08 Tuesday

Example problems. Bring your questions to class. Some notes on the first homework assignment.
Ch3 presentation. Read chapter 3 in preparation.

4 Sep 08

Continue presentation on chapter 2, Properties of Radiation , Maxwell's equation, Snell's law, refractive index of water and ice in the IR, Fresnel coefficients, skin depth and collapsing soot optics, radiance, radiant intensity, flux, irradiance.
Reminder: Enhanced learning opportunities are provided by reading from other text books as well.

2 Sep 08

Presentation on chapter 2, Properties of Radiation , Maxwell's equation, Snell's law, refractive index of water and ice in the IR, Fresnel coefficients, skin depth and collapsing soot optics.
Why is lightning sometimes seen and not heard?
Rotation of the sun.

28 Aug 08

Prepare by reading chapters 1 and 2. Begin working on the homework. Bring questions to class.
Finish presentation on chapter 1.
Demos: Coherent and incoherent light (laser and broadband sources); diffraction grating for 2 wavelengths,
nonlinear optics in green laser pointer counter example, coated soot slide semiconductor of DC current in relation to refractive index.
Presentation on chapter 2, Maxwell's equation, Snell's law, refractive index of water and ice in the IR, Fresnel coefficients, skin depth and collapsing soot optics.

26 Aug 08

Syllabus
Presentation on chapter 1, Introduction, E&M waves, overview of radiation in the atmosphere and the global radiation balance.
Geostationary Satellite Images examples of visible, IR, and water vapor.

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