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Cloud Protocols GLOBE

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					                  Cloud Protocols




Cloud Protocols
                                    Cloud Protocols



  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
                            Cloud Protocols



Inquiry Context
  • Does cloud cover affect
    surface temperature and
    surface air temperature?
  • What is the relationship
    between clouds and
    precipitation?
  • Is there a relationship
    between contrails and cloud
    cover?
                        Cloud Protocols



Local Inquiry Example
                                     Cloud Protocols


Why do GLOBE scientists research clouds?
• To better calculate the rate of
  heat exchange in the
  atmosphere
• For verification and
  improvement of automated
  remote sensing
• To understand how cloud
  climatology may be changing
• To help improve interpretation
  of satellite observations of
  Earth’s radiative balance
• To provide ground-based data
  on contrails
                                   Cloud Protocols


 Science Content: The Cloud Triangle

Clouds can be defined by:
• Their shape & form
• The cloud base altitude
• If they are precipitating
                                             Cloud Protocols


Science Content: Cloud Shape
The 3 main cloud shapes are:




  Cumulus           Stratus            Cirrus
   (Puffy)         (Layered)          (Wispy)

Altitude and shape are keys to identifying clouds.
                                               Cloud Protocols


Science Content: High Clouds



                     Cirrus




  Cirrostratus   High-level clouds   Cirrocumulus
                                           Cloud Protocols


Science Content: Middle Clouds




  Altostratus   Mid-level clouds   Altocumulus
                                      Cloud Protocols


Science Content: Low Clouds




             Low-level clouds
  Stratus                       Cumulus




            Stratocumulus
                                             Cloud Protocols


Science Content:
    Low Clouds with precipitation




  Nimbostratus   Low-level clouds   Cumulonimbus
                                     Cloud Protocols


Science Content: Contrail Types




 Short-lived     Persistent    Persistent
               Non-spreading   Spreading
                                                Cloud Protocols


 Science Content: Estimating Percentages
                     Cloud Cover




No Clouds   Clear   Isolated Scattered Broken  Overcast
   0%       0 - 10% 10 - 25% 25 - 50% 50 - 90% >90%
                    Contrail Cover



 No Contrails    0-10%    10-25%     25-50%    >50%
     0%
                             Cloud Protocols



          The Measurements
Cloud Type
• Contrail Type
• Percentage of
  Cloud Cover
• Percentage of
  Contrail Cover
                                                    Cloud Protocols


Collecting Data: Field/Lab Guides & Data Sheets
   Field/Lab Guides:
   • Cloud Cover and Contrail Cover Protocol Field Guide
   • Cloud Type and Contrail Type Protocol Field Guide


   Data Sheets:
   Use one of the following:
   • Clouds 1-Measurement Data Sheet
   • Clouds 7-Measurement Data Sheet
   • Integrated 1-Day Data Sheet
   • Integrated 7-Day Data Sheet
                                          Cloud Protocols



     Collecting Data: Protocol
• Look at the sky in every direction
• Estimate and record the % of coverage by
  clouds & contrails
• Identify and record the number of each type of
  contrail
                                        Cloud Protocols



 Collecting Data: Procedures
                         Blowing Snow
Listed are examples of   Heavy Snow
  obscuring conditions   Heavy Rain
• If more than one-      Fog
  fourth of the sky is   Spray
  obscured, record       Volcanic Ash
  and report the         Smoke
  reason on the data     Dust
  sheet.                 Sand
                         Haze
                                       Cloud Protocols

Enter Data on the GLOBE Web Site
Step 1: Confirm that the atmospheric
        study site definition is completed
Step 2: Select “Cloud Observations” from
         the atmosphere data entry menu
Step 3: Enter date/UT time/select site
Step 4: Enter cloud observation data
Step 5: Confirm data entries on
        verification page
                                Cloud Protocols

Looking at the Data: Contrail Type
                                     Cloud Protocols


      Classroom Implementation
•   Inquiry
•   Curriculum/Standards Alignment
•   Assessment
•   Classroom Management
                                     Cloud Protocols



          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!

				
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