FINAL EXAM Intro to Oceanography 226 Spring 09 Take home exam on Tuesday May 12 and to return on Tuesday May 19

TAKE HOME PART OF THE EXAM Follow the instructions and answer all questions based on the information provided on the related web sites, articles and your own data search (always provide references): 1.The topic addressed in the final exam is – From sardines to anchovies and back in 50 years: (also on the class web site as pdf) 2. Go to the class web site and open a document “graph explanation for final exam” and follow the instructions how to make a graph from the excel sheet data. 3. After making a graph with data on sardines and anchovies, answer all the questions and provide explanations based on your graph and any additional literature research about El Nino effect.

FINAL EXAM Take home work – 40% of the grade Group work in the class – 30% of the grade Individual work – 30% of the grade

Group questions (35 min) 1. Is El Nino short or long (in years!) climate phenomenon? What do scientists think the cause is? 2. How might fisheries data be used to predict climate regimes? 3. Do you think that global warming is/or can be influenced by El Nino? Explain. 4. According to the graph which regime do we seem to be in now? How long do the regimes last? And how does this climate phenomenon affect people?

10 JANUARY 2003VOL 299 SCIENCE

Individual questions (30 min) 1.According to the graph which species is more abundant during cold and which during warm regime? Why do you think two species act different? How can temperature change affect species ecology? How can it affect the ecosystem? How can it affect the humans? 2.Why is the warm water accumulating on the surface of the ocean? Explain by describing the water molecule - its structure and its characteristics!

FINAL QUESTION: WHAT GRADE DO YOU THINK YOU DESERVE IN THIS CLASS?