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| Can someone help me understand this question about Global Warming? | | Published by: admin 2010-03-20 |
Discuss three different consequences with an explanation of reasons for the effect. Be sure to give specific examples of each type of evidence that you discuss and how that effect might be a graded response.
I need help understanding what my teacher means by a graded response.
THANKS!!!!
Everything will be alright! and stop plagerising of YA! We should honestly get rights for the stuff we post up!
1 consequence would be larger food crop production because the ground is warmer longer and you will have a longer growing period.
I assume you mean different consequences of "Global Warming"
1. Ocean acidification: possibly the worst problem like (2) it has been on the rise for a long period of time as atmospheric c02 has risen so has the uptake by oceans. The higher the level the harder it is for hard shelled creatures like krill and corals to form their shell. Krill inhabit all the worlds seas and are the basic food source of Whales, Seals and Penguins.
http://www.aad.gov.au/MediaLibrary/asset...
2. Sea level rise: over the last century there has already been a documented rise of around 6in (based on tide gauge data) due to thermal expansion of sea water. Further increases in temp will cause more expansion. The low side estimate of ~2c temp rise by the end of the century would not only effect further thermal expansion it would cause further melt of Greenland and Antarctica even a few % increase in melt from these could add 1-2 meters to sea level
Why is global warming caused? - Yahoo! Answers India::
16 Yahoo! Answers - Why is global warming caused? â “ Discover the answer for this question and Earn more points for the best answer on Yahoo! Answers India
http://in.answers.yahoo.com/question/index?qid=20090827052750AAfR6WTHOME |
HowStuffWorks How Global Warming Works::
someone complaining about a hot day or a freak storm and remark, Its global warming. To understand what this means, lets start by reviewing the
http://www.howstuffworks.com/global-warming.htmHOME |
http://www.csiro.au/news/ps13f.html
3. Reduction in sea ice of the Arctic:
(comments from the NRDC website 2005)
Average temperatures in the Arctic are rising twice as fast as they are elsewhere in the world. Arctic ice is getting thinner, melting and breaking. For example, the largest single block of ice in the Arctic, the Ward Hunt Ice Shelf, had been around for 3,000 years before it started cracking in 2000. Within two years it had split right through and is now breaking into pieces. The polar ice cap as a whole is shrinking. Images from NASA satellites show that the area of permanent ice cover is contracting at a rate of 9 percent each decade. If this trend continues, summers in the Arctic could become ice-free by the end of the century.
(since the large melts of 2007 2008) it is likely the "end of the century" time line is wrong and if melts like the last two summers continue the Arctic could be ice free (in Summer) by 2020-30.
http://nsidc.org/news/press/20081002_sea...
Edit
"grade the consequences"
It sound like he/she wants you to put the various consequences in list in order of magnitude i.e flooding would be a high end effect although such a list might be subjective as someone who lives in Denver probably isn't to worried about sea rise but is worried about the loss of the ski industry.
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