Surface Ozone Protocol

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Surface Ozone Protocol
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Goals for the Training Session

• Provide an inquiry context for the data
  collection and science content
• Provide accurate science content
• Review procedures for data collection
• Review data entry and analysis
• Discuss classroom implementation ideas
• Collect feedback from participants

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Inquiry Context

• Is the amount of surface ozone related to other
  atmospheric phenomena?
• What is the variability of ozone in the
  atmosphere daily? Seasonally? Annually?
• How can you use your data collected over a period
  of time to predict future changes in the
  atmosphere?

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Local Inquiry Example
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Why do GLOBE scientists research surface ozone?

• Considered a pollutant
• Globally its abundance is
• unknown
• Amount present in the air affects many other
  trace gases
• Helps assess the degree to which it is an
  environmental problem

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Science Content What is Surface Ozone?
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Science Content Where does surface ozone come
from?
It is the primary component of photochemical smog
Hydrocarbons Nitrogen Oxides hn --gt Ozone
Combustion Products (from biomass or fossil-fuel
burning), Trees
Sunlight
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Instruments ZikuaTM Optical Scanner
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Exposed test strip placed in slot of scanner
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The Measurements
Time0
Time1 hour later
Ozone Test Strip Reading
Ozone Test Strip Exposure

• Current temperature
• Cloud Protocols
• Wind direction
• Relative humidity
• Surface Ozone

• Current temperature
• Cloud Protocols
• Wind direction
• Relative humidity

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Collecting Data Field/Lab Guides Data Sheets

• Field/Lab Guides
• Exposing the Ozone Test Strip Field Guide
• Reading the Ozone Test Strip Field Guide
• Measuring Wind Direction Field Guide
• Cloud Cover and Contrail Cover Protocol Field
  Guide
• Cloud Type and Contrail Type Protocol Field Guide
• And one of the following
• Digital Multi-Day Max/Min/Current Temperature
  Protocol Field Guide
• Maximum, Minimum, and Current Temperature
  Protocol Field Guide
• And one of the following
• Digital Hygrometer Field Guide
• Sling Psychrometer Field Guide
• Data sheets
• Ozone Data Sheet

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Collecting Data Protocol Exposing the ozone test
strip

• Place scanner on shaded and level surface, wait 5
  minutes
• Record cloud protocols, current temperature, wind
  direction and relative humidity
• Turn on scanner, wait 1 minute (the scanner will
  automatically turn off)
• Turn scanner back on
• Calibrate scanner with unexposed ozone test strip
• Place this ozone test strip on monitoring station

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Collecting Data ProtocolReading the ozone test
strip

• Place scanner on shaded, level surface Wait 5
  minutes
• While waiting, record cloud protocols, current
  temperature, wind direction and relative humidity
• Turn on scanner Wait 1 minute (the scanner will
  automatically turn off)
• Turn scanner back on
• Measure exposed ozone test strip in scanner
• Record the surface ozone reading

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Collecting Data ProtocolMeasuring Wind Direction

• Place wind direction instrument 1 meter above
  ground
• Align base with magnetic north
• Place right hand on hip, left arm out straight
• Turn your body in line with wind sail so that
  your left arm is pointing in the same direction
  as the sail
• Record the direction your right elbow is pointing

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Enter Data on the GLOBE Web Site
Step 1 Confirm that the atmospheric
study site definition is completed Step 2
Select Surface Ozone from the
atmosphere data entry menu Step 3 Select
date/enter 2 UT times/select site Step 4
Enter collected data Step 5 Confirm data entries
on verification page
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Looking at the Data
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Classroom Implementation

• Inquiry
• Curriculum/Standards Alignment
• Assessment
• Classroom Management

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Getting Started

• The GLOBE Web site has information
• http//www.globe.gov
• GLOBE Help Desk or your Country Coordinator can
  support you as you get started.
• Get your students involved doing real science!