SO503 Spring 2006

Test 2



Exam makeup


Short answers

6 of 8, 10 points each












Short Answers:  Answer 6 of the following 8 of the questions with a few sentences.  Each is worth 10 points.



What important oceanographic parameters (and how) can we measure with a radar altimeter?  What did these tell us about hurricane Kartina, and how can this be important for future hurricanes?


How does Nyquist sampling affect how you would design a sampling program, or what you can determine with a record you obtained from the internet?


How can you process a tide record to emphasize other signals, such as weather systems or tsunamis?  Why would you do this, and which is the real tidal record?


What would you regard as the major differences between scientific writing and scientific oral presentations?  What are the most important aspects of each?


What is the product of an FFT?  What does it tell you, and how do you interpret it?


What is the difference between cross correlation and autocorrelation?  If you have just a correlogram, how can you tell which it is?


Why is there any question about what we mean by sea level?


What is a DEM, and what kinds of things can we do with one?



Essay (40 points). We have discussed papers that discussed tree ring dating and environmental reconstruction from deep ocean sediment cores.  Why has EOS publicized these studies, how do the studies work, and what features are common to both types of study?