rider 8: ozone monitoring activities

Saritha KarnaeDept. of Environmental Engineering

Texas A&M University-Kingsville

Kuruvilla JohnDept. of Mechanical and Energy Engineering

University of North Texas, Denton

Corpus Christi Air Quality Committee Meeting

January 19, 2012

Rider 8: Ozone monitoring activities

Ozone Monitoring Sites

Ozone Monitoring Sites

CAMS SITE

Start Date Equipment (Instruments)

Holly road CAMS 660

September, 1997 Teledyne-API, Climatronics wind sensor, Coastal environmental, Zeno datalogger, and Enfora modem.

Violet CAMS 664

August, 2003 Teledyne-API, RM Young wind sensor, Coastal environmental, Zeno datalogger, and Enfora modem.

Aransas Pass CAMS 659

August, 2003 Teledyne-API, RM Young wind sensor, Coastal environmental, Zeno datalogger, and Enfora modem.

Odem CAMS 686

March, 2007 Teledyne-API, Climatronics wind sensor, Coastal environmental, Zeno datalogger, and Enfora modem.

Ingleside CAMS 685

March, 2007 Teledyne-API, Climatronics wind sensor, Coastal environmental, Zeno datalogger, and Enfora modem.

Taft CAMS 687

March, 2007 Teledyne-API, Climatronics wind sensor, Coastal environmental, Zeno datalogger, and Enfora modem.

Ozone Trends

Ozone Trends

CAMS 04

CC West

CAMS 21CC

Tuloso

CAMS 660

Holly Road

CAMS 659

Aransas Pass

CAMS 664

Violet

CAMS 686

Odem

CAMS 685

Ingleside

CAMS 687Taft

2002-2004 80 75      

2003-2005 75 72      

2004-2006 72 68 69 74 71

2005-2007 70 67 74 74 71

2006-2008 71 69 72 74 71

2007-2009 68 69 67 75 69 68 67 67

2008-2010 69 71 66 75 69 69 70 69

2009-2011 71 72 67 75 72 71 70 70

Ozone trends observed at the research grade non-compliance grade monitoring stations operated by UNT-TAMUK.

Annual exceedance count – 2009

Annual exceedance count – 2010

Annual exceedance count - 2011

Monthly exceedance count - 2011

Monthly exceedance count - 2011

Weekday-Weekend analysis - 2011

Time series of high ozone days

Meteorological characteristics

High ozone days - 2011

High ozone days - 2011

Backward trajectories

(a) >=75 ppb, (b) >=70 ppb, (c) >=65 ppb, and (d) >=60 ppb

Twenty four hour backward trajectories at CAMS 659 during high ozone days in 2010.

Backward trajectoriesTwenty four hour backward trajectories at CAMS 659 during high ozone days (>=75 ppb) in 2011.

Thank you.

Questions?Contact:

Saritha KarnaeResearch Engineering Associate

Department of Environmental EngineeringTexas A&M University-Kingsville

Email: kask000@tamuk.edu

Dr. Kuruvilla JohnProfessor and Associate Dean

College of EngineeringUniversity of North Texas

Email: kuruvilla.john@unt.edu