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Global Warming Predicted Effects - PowerPoint PPT Presentation

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Global Warming Predicted Effects. Cory Christie Christine Miller Patty Jehling Tom Jakacki. Global Warming. This presentation illustrates how global warming and its effects of: Climate pattern changes Health Warming water

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Global WarmingPredicted Effects

Cory Christie

Christine Miller

Patty Jehling

Tom Jakacki

Global warming l.jpg
Global Warming

  • This presentation illustrates how global warming and its effects of:

    • Climate pattern changes

    • Health

    • Warming water

    • Ecosystem disruption, and how these areas effect the following categories:

      • Wildlife, vegetation, forests, human life, agriculture, and oceans

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Climate Pattern Changes

  • Consequence: Warmer temperatures

    • Average temperatures will rise as well as the frequency of heat waves.

      • Since 1980, the earth has experienced 19 of its 20 hottest years on record.

      • Many places in North America had their hottest seasons or days on record in the late 1990s.

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Climate Pattern Changes contin.

  • Consequence: Drought and wildfire

    • Warmer water temperatures increase the probability of drought. Greater evaporation causes the increase of risk of wildfires.

      • The 1999-2002 national drought was one of the 3 most extensive droughts in the last 40 years.

      • Dry conditions produces the worst wildfires in 50 years in Florida in 1998.

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Climate Pattern Changes contin.

  • Consequence: More intense rainstorms, floods.

    • Warmer temperatures lead to more intense rainfall.

      • The series of floods that has hit the U.S. since 1993 racked up over $25 billion dollars in loses.

      • National annual participation has increased between 5 and 10 percent since the early 20th century.

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Health Effects

  • Consequence: Deadly heat waves and the spread of disease.

    • More frequent and more intense heat waves could result in more hear-related deaths.

      • In 2003 extreme heat waves caused more then 20,000 deaths in Europe and more then 1,500 deaths in India.

      • Disease spreading mosquitoes are spreading as climate shifts.

      • Thirty of the diseases that emerged in the last 20 years may thrive in warmer and wetter weather.

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Warming Water

  • Consequence: Melting glaciers, early ice thaw.

    • Rising global temperature speeds up the melting of glaciers and ice caps.

      • At the current rate all of the glaciers in Glacier National Park will be gone by 2070.

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Warming Water contin.

  • Consequence: Sea level rise.

    • Current rates of sea level rise are expected to increase, resulting in the loss of the coastal wetlands, and more.

      • The current pace of sea level rise is 3 time the historical rate and is rising.

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Ecosystem Disruption

  • Consequence: ecosystems shifts and species die-off.

    • The increase in global temperatures is expected to disrupt ecosystems and result in the loss of species diversity.

      • Over the past 25 years the penguin populations have shrunk by 33%.

      • In areas of California shoreline sea life is shifting northward probably in response to warming water.

      • Global warming is likely to spur the disappearance of trout and salmon from as much as 18-38% by 2090.