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Phys 650: Experimental Atmospheric Physics - Spring
2009 Material covered in
class |
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Class 1 |
28/Jan/09 |
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Introduction;
review of procedures & rules; Discussion on atmospheric aerosols and
aerosol sampling instrumentation. Files to
download: |
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3- Aerosol Samplers and Measuring
Devices |
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Class 2 |
02/Feb/09 |
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Preparation of Sampling Station; Filter Pre-weighting; Calibration of
Station Components; Preparation of Sampling Documentation. Files to
download: 2- Example of Sampling Instruction Manual
– Students must update it for this particular station and present it as part
of their assignment for the experiment. |
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3- Example of Filter Log Sheet – Students
must keep an updated folder with the daily log sheets. |
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Class 3 |
11/Feb/09 |
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- post weighing procedures - 2nd mass flow
meter calibration
- Spectral characterization
of the LED detector |
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Presentations
Discussed in Class: Important
references: 1- Nice Discussion on LED
sunphotometer from its inventor Forrest Mims III. 2- LED Sunphotometer reference 1 3- LED Sunphotometer reference 2 4- LED Sunphotometer reference 3 5- Data Sheet for LM741 Operational Amplifier 6- Printed Circuit Board Tutorial |
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Class 4 |
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Class 5 |
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- Introduction to atmospheric radiative transfer and radiative transfer
codes - Introduction
to Radiometry and Instrument FOV. - Open
Lab: Calibration of the Sunphotometer
and other Radiometers
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Extra Questions for course project -
Procedures for
Sunphotometer calibration -
Spreadsheet for solar angle calculation |
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Class 6 |
04/Mar/09 |
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Application of
scanning electron microscopy (SEM) on aerosol studies – Part I: Imaging -
Analysis
of filters collected at the UMBC station -
Analysis
of aerosols generated in the Laboratory |
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Presentation 1 - Introduction to electron
microscopy Presentation 2
– Aerosol particle sizing Movie on SEM - http://www.youtube.com/watch?v=lrXMIghANbg |
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Class 7 |
11/Mar/09 |
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Application of electron
microscopy on aerosol studies – Part 2: Elemental analysis using X-ray
emission -
Analysis
of filters collected at the UMBC station -
Analysis
of aerosols generated in the Laboratory Presentation 1
– Individual particle analysis using the X-ray
system of the Scanning electron microscope Presentation 2
– Discussion of short report
from last class (we decided to put this one online because the discussion
can be interesting for the students. |
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Class 8 |
25/Mar/09 |
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Relative
Humidity, Dew, and Frost Points -
Power point file with
objectives, experiments, references, and instructions for short report. -
Reference
1- Frost Point
Hygrometer – JGR paper -
Reference
2- RH discussion: Standard X WMO -
Reference
3- Uncertainty on RH measurements -
Example of Psychrometric
Chart |
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Class 9 |
01/April/09 |
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Continuation of
previous experiment: Relative Humidity, Dew, and Frost Points |
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Class 10 |
08/April/09 |
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- Discussion on short reports from
classes 8 and 9, plus Beltsville radiosondes. - Tiger team
work on course project |
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Class 11 |
15/April/09 |
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Introduction to Surface BRDF and Atmospheric Scattering. Continued work
on course project. |
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Class 12 |
22/April/09 |
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Students will
measure the angular properties of several surfaces in the laboratory, and
will apply Fresnel equations on its interpretation. |
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Class 13 |
29/April/09 |
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Continued
Measurements of Surface BRDF and Atmospheric Scattering |
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Class 14 |
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Class 15 |
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