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| Friday, September 5, 2008 |
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| | #41 (permalink) | ||
| The Glen Join Date: Jan 2005 Location: Mattituck, NY
Posts: 4,319
| Quote:
__________________ Dave 35 days 07/08 Season | ||
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| | #42 (permalink) |
| Sugarloaf Join Date: Apr 2004 Location: Coventry, C.T
Posts: 3,551
| There is NO doubt that the Earth is experiencing a climate change in the form of global warming. Between 1896 -2000 the earth as an average warmed about 1.0F - 1.3F. Mechanical readings of tempearature change only go back about 150 years, but ice core samples, sea floor sediment samples and tree rings, all can tell us about our climates past for 100,000 years or more. I am not a big believer that we are causing global warming, as there have been MANY cycles of warm and cold periods in earths past. The amazing part is how quickly these changes have occured, some ice ages/warm periods came about in just a few years and ended just as quickly. The little ice age, actually a cool period, from 1450-1850, ended in just 6 years, the vikings had to abandon Greenland about 1450 as the climate cooled and ice advanced. Now in the same areas in Greenland, farmers are out with tractors and the land is (relatively) free of ice. The estimates that I have seen for 2000-2100 call for a global temperature increase of perhaps 5F and a North Pole free of summer ice by 2050. I have also seen models that call for a breakdown of the Gulf Stream and a cooling period starting in Europe by 2100-2150. Regarding Hurricanes, they seem to come in intense cycles, the reasons for which are not entirely understood, but we are entering an active cycle again.
__________________ Ski School - A place where novices are turned into menaces. |
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| | #43 (permalink) |
| In the Whites Aug 2008 Join Date: Nov 2003 Location: East/Central MA
Posts: 2,283
| I'm not a scientist, and neither am I a tree-hugger, but as someone said earlier it's hard to imagine that having tons and tons and tons of CO2 and other nasty stuff going up into the atmosphere doesn't have some impact. I'm all for empirical evidence (don't believe in the Santa or the Easter Bunny), but it sure seems like we have more BIG MONSTROUS hurricanes than before..... And yup - we're getting mighty close to a political discussion here, folks.......so let's keep it civil and scientific - OK??? |
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| | #44 (permalink) |
| Sugarloaf Join Date: Apr 2004 Location: Coventry, C.T
Posts: 3,551
| A good book to reading about the subject of climate change is: "A Change In The Weather" by William K. Stevens. Rita is now down to 150mph sustained winds, and may strike as a category 3. According to the above mentioned book, the level of carbon dioxide in the atmosphere at the current time is the highest of the last 420,000 years according to analysis of atmospheric gases trapped in Antarctic ice. It is also 20% higher than at any previous interglacial period, and double the typical concentration during an ice age. The carbon dioxide level in the upper atmosphere has also increased 15% between 1959-1999. Another interesting fact is that the June 16, 1991 eruption of Mount Pinatubo released enough sulfur dioxide to reduce the solar radiation hitting Earth by 3%, causing a 1F global cooling.
__________________ Ski School - A place where novices are turned into menaces. |
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| | #46 (permalink) | ||
| I'm with psycho --> | Quote:
Don't listen to him... that's just crazy talk!
__________________ Making sanity obsolete since 1982... | ||
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| | #48 (permalink) |
| Join Date: Nov 2004 Location: Boston
Posts: 4,688
| No no, it's not a "breach" according to the Corps of Engineers. At least, not yet. At the moment, water is just pouring over the top. If it keeps going, it will probably breach it. One report said water was rising about 3 inches an hour already.
__________________ "Man is an imperfect animal and never quite trustworthy in the dark."- HG Wells |
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| | #49 (permalink) | |
| Nassahegan, CT: 8/14 | Quote:
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| | #50 (permalink) |
| Sugarloaf Join Date: Apr 2004 Location: Coventry, C.T
Posts: 3,551
| The levee did not suffer from a washover, the levee failed. I just saw pictures of it on tv, it is in bad shape and water is pouring into New Orleans. The Army Corp did an admiral job, but they did not have enough time to prepare for another hurricane. Thank goodness Rita will not hit the city directly.
__________________ Ski School - A place where novices are turned into menaces. |
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