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Analyzing Atmospheric Temperature Trends: Data Sources & Balloon Observations

Explore changes in the free atmosphere, weather balloons, tropospheric and stratospheric temperatures, and tropopause height. Learn about current weather data sources and how to analyze trends using radiosonde and satellite data. Get insights into global temperature variations and the impact of major volcanic eruptions.

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Analyzing Atmospheric Temperature Trends: Data Sources & Balloon Observations

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  1. Changes in the Free Atmosphere • Current Weather • Data Sources • Weather Balloons • Tropospheric and Stratospheric Temperatures • Tropopause Height • For Next Class: Read IPCC AR4 Ch. 3 (pp. 280-295)

  2. Data Sources for Analyzing Tropospheric Temperature Trends • Radiosondes • From 2x daily upper air soundings • Began in 1940s regionally, 1958 globally • Satellite Microwave Sounding Unit • Converts measures of microwave emissions to temperature • Data available since 1978 • Global Reanalyses Data • From numerical models

  3. Weather Balloon Video • http://nymag.com/daily/intel/2010/10/brooklyn_dad_and_kid_send_ipho.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:+nymag/intel+%28Daily+Intelligencer+-+New+York+Magazine%29

  4. Atmospheric Soundings

  5. Vertical Weighting Functions and Tropopause Variations TLow-Trop = Lower Tropospheric Temperature TTrop = Tropospheric Temperature

  6. Observed Surface and Upper Air Temperature Anomalies: 1950-2005 Stratosphere has cooled, but troposphere and surface have warmed. Major volcanic eruptions warm the stratosphere, but cool the troposphere and surface.

  7. Global and Tropical Trends in Atmospheric Temperatures

  8. Linear Tropospheric Temperature Trends

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