The Earth’s Changing Climate GK-12 Global Watersheds Program, Brenda Gail Bergman, 2013 South Cascade glacier, photos: USGS.

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Presentation transcript:

The Earth’s Changing Climate GK-12 Global Watersheds Program, Brenda Gail Bergman, 2013 South Cascade glacier, photos: USGS

Carbon: in every living organism, a main component of cells THE CARBON CYCLE Image of a complex organic molecule provided by atomic force microscopy. Source: IBM

Source: / THE CARBON CYCLE

The Greenhouse Effect Source: carbon dioxide, water vapor, methane, chlorofluorocarbons (CFCs), ozone, nitrous oxide.

Greenland ice sheet melting, July 8-July 12. Source: NASA

Source:

Hurricane Isaac Source: NOAA Potential relationships with weather events: Hurricanes form when sea surface temperature is above 26C. Larger areas exceed this threshold. -(MIT) Water cycle : warming causes the cycle of evaporation and rainfall over the oceans to intensify -(Nat’l Academies of Science)

DATA SETS TO CHOOSE FROM Temperature: 1.Global temperature database: 500 stations. Measurements since 1720 [1] [1] 2.Monthly temperature deviation from the 25 year average , for the Northern Hemisphere [2] [2] 3.Monthly temperature deviation from the 25 year average , for the world [3] [3] Atmospheric CO 2 : 4. Manua Loa CO 2 monthly mean data [4] [4] 5.Carbon flux to the atmosphere from land use changes, South America [5] [5] 6.Monthly Carbon Dioxide Emissions from Fossil-Fuel Burning in the U.S.A.: [6] [6] 7.Global CO 2 Emissions from Fossil-Fuel Burning,Cement Manufacture, and Gas Flaring: [7] [1] [1] +INDEX&OrigMetadataNode=GCMD&EntryId=Rimfrost &MetadataView=Full&MetadataType=0&lbnode=mdlb4 [2] [2] [3] [3] [4] [4] ftp://ftp.cmdl.noaa.gov/ccg/co2/trends/co2_mm_mlo.txt [5] [5] [6] [6] [7]