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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

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Cloud Protocols

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  1. Cloud Protocols

  2. 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

  3. 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?

  4. Local Inquiry Example

  5. 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

  6. Science Content: The Cloud Triangle • Clouds can be defined by: • Their shape & form • The cloud base altitude • If they are precipitating

  7. Science Content: Cloud Shape The 3 main cloud shapes are: Cumulus (Puffy) Stratus (Layered) Cirrus (Wispy) Altitude and shape are keys to identifying clouds.

  8. Science Content: High Clouds Cirrus Cirrocumulus Cirrostratus High-level clouds

  9. Science Content: Middle Clouds Altostratus Altocumulus Mid-level clouds

  10. Science Content: Low Clouds Low-level clouds Stratus Cumulus Stratocumulus

  11. Science Content: Low Clouds with precipitation Low-level clouds Nimbostratus Cumulonimbus

  12. Science Content: Contrail Types Short-lived Persistent Non-spreading Persistent Spreading

  13. Cloud Cover Science Content: Estimating Percentages No Clouds 0% Clear 0 - 10% Isolated10 - 25% Scattered25 - 50% Broken50 - 90% Overcast>90% Contrail Cover No Contrails 0% 0-10% 10-25% 25-50% >50%

  14. The Measurements Cloud Type • Contrail Type • Percentage of Cloud Cover • Percentage of Contrail Cover

  15. 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

  16. 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 Collecting Data: Protocol

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

  18. 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

  19. Looking at the Data: Contrail Type

  20. Classroom Implementation • Inquiry • Curriculum/Standards Alignment • Assessment • Classroom Management

  21. 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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