Tropospheric Ozone Pollution Project
Valparaiso University & The University of Houston

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A summary of the project can be found in the first page of my Fulbright grant application. An overview can also be found in a presentation I gave at Hokkaido University upon my arrival.

Click here for Part 2 of the project (July - August 2009)

Attention Scientists: All data posted on this website are preliminary. We are happy to share our data. If you use our data, please email us to let us know what you're doing. We would enjoy collaborating with you.

Use the table below to find data files with pressure, temperature, humidity, and ozone from our ozonesonde launches. You can also find graphs of the ozone profiles and the predicted balloon trajectories. If you find an instrument package, email us the experiment number (found on the outside of the instrument package) and location where you found it. We offer a $30 reward for mailing the instruments back to us at Hokkaido University. Detailed information can be found on the instruments themselves. See the picture below to get an idea of what the instrument package looks like.

Click on Data "X" to get the SHADOZ formatted data files.
Click on Plots "P" to get the ozone profile in partial pressure.
Click on Plots "MR" to get the ozone profile in mixing ratio.
Click on Plots "W" to get wind direction and speed.
Click on Plots "TrMR" to get tropospheric ozone profiles.
Click on Plots "TrW" to get tropospheric winds.
Click on "Traj" to get the balloon path in air on google maps.

The Microtops Section Contains weekly Microtops data files from our two Microtops instruments.

The Trajectory files show predicted air mass paths as calculated using the NASA GSFC trajectory model (Schoeberl and Sparling, 1995) at three levels: 500, 1500, and 2500 m initial trajectory altitude. Two products are presented on this site: the 5-day back trajectories are run from a uniform grid centered on Sapporo using 6-hourly 1X1 NMC reanalysis data. The 4-day forward trajectories are run from a uniform grid around Beijing using 12-hourly 1X1 NMC 5-day forecast data.

Balloon Data
Launch Period 6 - 24 August 2008

X - INTEX-B formatted ascii data file
P - partial presure ozone, temperature, and theta profiles
MR - mixing ratio ozone and relative humidity profiles
W - wind direction and speed profiles
TrMR - tropospheric ozone mixing ratio, relative humidity, and theta profiles
TrW - tropospheric wind direction and speed profiles
SO2 - experimental SO2 and ozone profiles
Traj - Google Map GPS trajectory and predicted landing site

Data below were reprocessed 10 - 15 October 2008 to correct pressure registration errors and improve calibration of the ozone and SO2 retrievals. Details for each file can be found on my blog site. Data files now include estimates of SO2 concentrations derived from differencing the filtered and unfiltered ozone concentrations measured on dual-sonde payloads. This SO2 data product remains experimental, and caution is advised in its use. If you are interested in the SO2 data, please contact the PI before publication.

Launch Date
Launch Time (GMT)
Data File
Plots
20080806
05:54
P, MR, W, TrMR, TrW, Traj
 
20080808
05:08
P, MR, W, TrMR, TrW, Traj
 
20080810
04:39
P, MR, W, TrMR, TrW, Traj
 
20080816
04:42
P, MR, W, TrMR, TrW, SO2, Traj
 
20080817
04:37
P, MR, W, TrMR, TrW, SO2, Traj
 
20080819
03:57
P, MR, W, TrMR, TrW, SO2, Traj
 
20080821
04:28
P, MR, W, TrMR, TrW, SO2, Traj
 
20080822
04:24
P, MR, W, TrMR, TrW, SO2, Traj
 
20080823
04:25
P, MR, W, TrMR, TrW, SO2, Traj
 
20080824
04:03
P, MR, W, TrMR, TrW, SO2, Traj

Microtops Data
Period 14 July - 19 September 2008

OMI aerosol index and SO2 index are shown in the plots along with the microtops aerosol optical thickness at 340 and 380 nm. OMI total column ozone observations near Sapporo are shown with the Microtops total column ozone measurements.

Week
Microtops #08431 Data File
Microtops #08444 Data File
Plots
14 - 20 July 2008
21 - 27 July 2008
28 July - 3 Aug 2008
4 - 10 Aug 2008
11 - 17 Aug 2008
18 - 24 Aug 2008
25 - 31 Aug 2008
1 - 7 Sept 2008
8 - 15 Sept 2008

 

Surface Ozone Data - Sapporo

Data courtesy of J. Hirokawa, Hokkaido Univ. using Dylec Model 1150 ozone monitor on the 5th floor of the Environmental Science Building. Data files are csv format, while plots ("p" links) are PDFs.

July

Sun
Mon
Tues
Wed
Thurs
Fri
Sat
16 p
17 p
18 p
19 p
20 p
21 p
22 p
30 p
31 p

August

Sun
Mon
Tues
Wed
Thurs
Fri
Sat
1 p
2 p
3 p
4 p
5 p
6 p
7 p
8 p
9 p
10 p
11 p
12 p
13 p
14 p
15 p
16 p
17 p
18 p
19 p
20 p
21 p
22 p
23 p
24 p
25 p
26 p
27 p
28 p
29 p
30 p
31 - No data

September

Sun
Mon
Tues
Wed
Thurs
Fri
Sat
1 p
3 p
4 p
6 p
7 p
8 p
9 p
10 p
11 p

OMI Data

Select PDF for PDF files and QT for Quicktime movies. Most data series will be one week long, beginning on Monday and ending the following Sunday. NO2 data courtesy of Ed Celarier (NASA Goddard Space Flight Center) and SO2 data courtesy of Nick Krotokov(NASA Goddard Space Flight Center) and Gilberto Vicente (NOAA NESDIS). For original NOAA SO2 images, click here.

Week
NO2
Total Column
NO2
Trop Column
SO2
Column
1 - 13 July 2008
14 - 20 July 2008
21 - 27 July 2008
28 July - 3 Aug 2008
4 - 10 Aug 2008
11 - 17 Aug 2008
18 - 24 Aug 2008
25 - 31 Aug 2008
2 - 7 Sept 2008
8 - 15 Sept 2008

 

Special SO2 animation of emissions from Mt. Kasatochi eruption as they traveled from Alaska to Japan, 8 - 22 August 2008. (PDF)

Trajectory Data
Study Period 21 July - 27 August 2008

New: Summary trajectory information 1998 - 2008

Using 5-day forward trajectories with NCEP reanalysis winds run in kinematic mode in the NASA GSFC Trajectory Model (Schoeberl & Sparling, 1995), we examine the outflow from the region around Beijing and Shanghai during August of each year from 1998 - 2008. Trajectories are initialized from 500 m to 3.0 km above each of the two locations in Japan.

Summary statistics of flow from Beijing area: < 2.5 km; 2.5 - 5 km

Summary statistics of flow from Shanghai area: < 2.5 km; 2.5 - 5 km

Relative influence of Beijing to Shanghai flows: < 2.5 km; 2.5 - 5 km

 

August 2008 only:

Animation of flow from Beijing area: PDF QT

Animation of flow from Shanghai area: PDF QT

Summary statistics of flow from Beijing area: < 2.5 km; 2.5 - 5 km

Summary statistics of flow from Shanghai area: < 2.5 km; 2.5 - 5 km

Relative influence of Beijing to Shanghai flows: < 2.5 km; 2.5 - 5 km

Note that trajectories in the boundary layer need to be interpreted with some caution and represent only possible air parcel paths.

Start Date
5-days back from Sapporo, Japan
4-days forward from Beijing, China
20080721
PDF: 500, 1500, 2500
Quicktime: 500, 1500, 2500
20080722
PDF: 500, 1500, 2500
Quicktime: 500, 1500, 2500
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20080723
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20080724
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20080725
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20080726
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20080727
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20080728
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20080729
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20080730
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20080731
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20080801
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20080802
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20080803
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20080804
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20080805
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20080806
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20080807
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20080808
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20080809
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20080810
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20080811
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20080812
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20080813
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20080814
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20080815
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20080816
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20080817
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20080818
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20080819
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20080820
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20080821
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20080822
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20080823
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20080824
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20080825
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20080826
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20080827
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20080828
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20080829
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20080830
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20080831
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20080901
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20080902
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20080903
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20080908
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20080909
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20080910
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20080911
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20080912
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20080913
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20080914
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20080915
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Special trajectory simulation of the transport of emissions from Mt. Kasatochi eruption as they traveled from Alaska to Japan, 8 - 22 August 2008. (PDF)

Funding for this project comes from a Fulbright Scholar grant and from NASA's Earth Science Division supporting Aura validation.

 

 

 

 

 
 

U.S. Data
- SE Texas
- Beaumont

- Dallas/Ft. Worth
- Grand Bay (NOAA)
- Idabel, OK
- Maryland
- Michigan (PCCI)
- Valparaiso, IN

SHARP Data

International Data
- Las Tablas, Panama (NASA TC-4)
- Sapporo, Japan (Fulbright)
- San Jose, Costa Rica (TICOSONDE)

Met Data
- balloon trajectory forecast
- lower level winds
- upper level winds
- upper level alt.
- NWS Houston surface obs.
- Houston surface O3 obs.

- EPA AirNow

Missions
- NASA INTEX-B
- NASA IONS-06
- TexAQS 2
- SHARP
- NASA TC-4
- NASA Aura

Other Links
- Aura overpass
- NASA AVDC
- Pierce Cedar Creek Institute
- UH EAS
- UH ICAS
- RU TOPP
- VU Physics
- VU Meteorology

 

© Copyright Dr. Gary Morris, Ph.D., 2012. All rights reserved.

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