AOSC Discussion

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AOSC Discussion

• 9th September 2009

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Lecture 1 Review

• Weather
• Instantaneous description of what the atmosphere
  is doing at a particular time and place.
• Climate
• Description of what weather is usually like in a
  region (large or small). Not just the average
  weather, but a description of what the extremes
  are like too.

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Atmospheric Composition
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Mauna Loa, Hawaii (Keeling Curve)
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(No Transcript)
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Carbon Dioxide Cycle

• SOURCES
• VOLCANOES
• PLANT/ANIMAL RESPIRATION
• PLANT DECAY
• BURNING OF FOSSIL FUELS
• DEFORESTATION
• SINKS
• PLANT PHOTOSYNTHESIS
• OCEANS
• CARBONATES

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Hydrologic Cycle

• Reservoirs Oceans, Glaciers, Rivers, Lakes,
  Atmosphere, Soil and Living Tissue
• Powered by the sun

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Aerosols

• Particles suspended in the atmosphere
• Can change the amount of solar radiation that
  reaches the surface
• Water drops can form around them
• Condensation nuclei for cloud droplets
• Primary Sources
• Sea Salt Spray
• Wind Erosion
• Volcanoes
• Fires
• Human activity

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Atmospheric Pressure

• Weight of atmosphere above a point
• Surface Pressure normally between 950 and 1050 mb
• Pressure decreases as altitude increases
• Pressure is a function of temperature and density

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Structure of Atmosphere
See Lecture 2 for details
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Fronts

• 4 main classes of fronts
• Warm, cold, stationary and occluded
• Each front has an unique symbol on weather maps
• This is the region where most of the weather is
  generated

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• REMEMBER QUIZ IS TOMORROW
• Covers Chapter 1 of text book
• Review Lecture 1 and 2
• Hints
• Use labelled diagrams where possible (with
  explanation)

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Project

• NOAA
• http//www.noaa.gov/
• NOAA Economics
• http//www.economics.noaa.gov/?goalclimatefileu
  sers/business/
• PR exercise
• Promote the benefits of NOAAs services and
  products to a particular business sector

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(No Transcript)
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Groups - 0102

• Group 1
• Paulina Nguyen, Francesca Motayne, Zarina
  Reznikov, Levon Coachman, Eric Friant, Jeff
  Chabot
• Group 2
• Kellie McGeoy, Bishop Sakyi, Jeff Gratton, Tim
  Robertson, Huan Ya
• Group 3
• Eric McWilliams, Ryan Young, Christine Salamone,
  Doug Kletter, Christopher Baxter, Eric Roytvart
• Group 4
• Vivian Kil, Melissa Pullman, Seth Finkelstein,
  Caroline Odorski, Phi Nguyen, Ali Zaidi
• Group 5
• Andrew Triola, Nyesha Trusty, Briena Grazioni,
  Sophia Siddiqui, Eliane Osen
• Group 6
• Lacey Barnickel, Adam Saunders, Becki Berger,
  Victoria Davis, Chris OMahoney

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Groups - 0103

• Group 1
• Lyndsay Muller, Charlotte Kiernan, Nicolette Yeh,
  Noah Walker, Yicheng (Matt) Song, Wynne Anderson
• Group 2
• Benjamin Goldstein, Jake Zaika, Melissa
  Pianowski, Alexeus Nicol, Brooke Clemency, Paul
  Rowe
• Group 3
• Nick Occhino, Abby Grow, Robert Miller, Josh
  Williams, Aaron Hannigan
• Group 4
• Peter Morrison, Josh Wohl, Kandese Allen, Nicole
  Andes, Jason Fernande, Jelani Fenton
• Group 5
• Jared Moscow, Christine Peng, Justine Durham,
  Jeremy Schneider, Keith Presley
• Group 6
• Garrett Levy, Ho Heo (Matt), William Bonnington,
  Dana Dews, Jackie Landgraf, Lyndon Thomas

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Due Dates

• End of Discussion class
• Group leader, layout, topics, general thoughts
• Outline
• Emailed to jhall1_at_umd.edu by noon on 15th
  September (Tuesday)
• Counts for 20 of project grade
• Only 1 per group

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Questions?