EXAM STUDY NOTES 2.docx

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Department
Biological Sciences
Course
BIOC40H3
Professor
Mary Olaveson
Semester
Summer

Description
 Sonic Boom: Sound barrier is broken to create sonic compression , examples are bullwhip and aviation and this is when air travels faster than speed of sound Grasshoppering:  Process of transporting POPs from parts of the world to the arctic regions  Through summer, POPs travel with the wind and sinks during winter  Repeats itself until it reaches the pole Compare and contrast land/sea breeze with monsoonal circulations  Land/sea is regional and monsoon is continental  Land/sea is affected by coriolis and monsoon is not  Land/sea is diurnal and monsoon is seasonal  Both are thermally driven leading to onshore and offshore breezes What are different ways to measure upper level winds?  Radiosonde, measuring the wind speed directly, but more importantly they record changes in pressure at specific altitudes.  Dropsonde In what ways the wind is used as a power source for mankind? Give details in past, present and future?  Early uses in Persia and China included grain grinding and water pumping  Dutch used in agriculture industry and land drainage  Windturbine which was the extension of the windmill produced electricity used during OPEC crisis and 1990s with Kyoto Protocol  Sailing is possible with the wind as difference in air pressure and bernoulli’s principle  Current aviation and commercial flights at any given moment  Future of wind power iswind farm and pickering nuclear plant A friend says that satellite measurements have demonstrated that Earth’s climate is actually cooling, how do you respond?  Launched in 1970s so to have solid data on climate, must have more than 30 years of data  Doesn’t take into account solar radiation absorbed in earth  Doesn’t take global circulation into account  Inter annual variations make temperatures colder or warmer than the
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