Equilibrium in Natural Systems

When pressures and temperatures become unbalanced in the atmosphere of the Earth, it can produce some dramatic effects as the system tries to rebalance itself, or re-equilibrate (reach equilibrium). Many of these changes are things that, on a small scale, are witnessed every day in the form of weather, such as wind, rain, snow, fog, etc.

Sometimes, however, very large imbalances can cause massive and very disruptive change. The extreme weather events of 2011 are good examples of extreme changes in pressure and temperature that required re-balancing (equilibration). Not only did they have environmental impacts, but also disastrous consequences for the hundreds and thousands of people in their wake.

Review the extreme weather events of 2011 here:

http://www.srh.noaa.gov/tsa/?n=weather-event_2011e…

A large scale form of imbalance is a hurricane. Hurricanes require a specific set of environmental conditions in order to form. Learn about the conditions here. Be sure to view both the “lesson” and “global impact” tabs:

http://www.montereyinstitute.org/noaa/lesson14.htm…

You can also view a transcript of the interactive here:

http://www.montereyinstitute.org/noaa/lesson14/l14…

Many sorts of natural disasters are caused by massive imbalances in nature; from thunderstorms to tornadoes – they all pose risks to people.

Learn about natural disasters that could impact your area at the following sites:

Federal Emergency Management Agency:

http://www.ready.gov/natural-disasters

Centers for Disease Control and Prevention:

http://emergency.cdc.gov/disasters

Imbalances of Nature

Then, during the week, discuss with your classmates:

1. What kinds of natural imbalances might affect your region? What makes your region particularly vulnerable to these imbalances?
2. Provide a specific example of a weather incident/natural disaster that occurred in your area in the past and discuss how the incident was handled by local residents and town/state officials.
3. What can people in your area do to prepare for a similar incident? (Consider what can be done prior to, during, and after the disaster. Be sure to include specific details using information from the CDC and/or FEMA.)
4. Compare your area to that of a classmate. What environmental features do you have in common to produce similar natural disasters OR what features vary, leading to completely different disasters? Would rescue efforts differ as well?
5. What predictions are being made for how climate change will impact either the frequency or intensity of future natural disasters in your area? (Hint: Refer to the extreme weather and hurricane resources provided above to find information to support your ideas.)

This discussion must be 300-350 words please make sure to look at all the websites above before answering the questions thank you

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