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Old 11-10-2018, 02:36 AM
 
11,610 posts, read 10,323,110 times
Reputation: 7213

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The numbers 3, 6, 10, and 16 will become increasingly ingrained in the region's consciousness in coming years. They represent, respectively, the average elevations of Siesta Key, Bradenton, Venice, and Sarasota. As Florida's sea level rise accelerates in coming years, these physical realities will begin to weigh on the region.

Harold Wanless, a sea level rise expert and chairman of the geological sciences department at the Univ. of Miami, expects 15 feet of sea level rise by 2100, and perhaps much more. Wanless says that the rate of sea level rise now is doubling every 7 years. If Wanless is correct, sea level rise also will be much greater than anticipated in the next couple decades.

https://www.theguardian.com/environm...elizabeth-rush

Wanless sees accelerating ice melt and thermal expansion as the oceans warm as among the factors contributing to sea level rise in Florida.

Obviously, the region's beaches, coastal parks and nature preserves will be at most immediate risk.

https://www.floridatrend.com/article...ida-2025--2050

New satellites launched in 2018 will provide datasets to improve sea level rise projections.

https://climate.nasa.gov/news/2680/n...-accelerating/

https://futurism.com/sea-level-rise-faster

Why hasn't Florida or local governments conducted studies to project how rapidly beaches will be eroded if sea level rise isn't impacted by a transition away from fossil fuel consumption?

https://www.ocala.com/news/20180513/...cts-on-florida

Watch atmospheric methane levels closely, as methane is 80 times more potent as a greenhouse gas than carbon dioxide, and the thawing of frozen methane deposits in the Arctic and deep oceans has the potential to release massive amounts of methane, resulting in a vicious methane feedback loop that could greatly accelerate global and ocean warming, ice melt and sea level rise.

https://www.scientificamerican.com/a...as-is-methane/

https://en.wikipedia.org/wiki/Arctic_methane_emissions

Rising methane levels should be of utmost concern as a vicious methane feedback loop already may be under way, and is known to very few Americans, and is not even a factor in the policy debate still dominated by man-made climate change science deniers, especially in Florida. I was shocked reading this article that methane already is contributing 15 billion metric tons of carbon dioxide equivalent to the earth's atmosphere annually; despite extensive reading on climate change, I had never before seen this statistic.

https://www.economist.com/science-an...pheric-methane

Man-made emissions of methane also are a significant issue as the U.S. and the world transitions to "cleaner" natural gas consumption and away from coal and oil.

https://www.forbes.com/sites/edfener.../#40adf55fbd22

Last edited by WRnative; 11-10-2018 at 02:55 AM..
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Old 11-10-2018, 11:45 AM
 
11,610 posts, read 10,323,110 times
Reputation: 7213
Default Dumping sand into the ocean?

Mounting Lido Beach erosion problem.


https://www.youtube.com/watch?v=kxyB1qsf6xM

No discussion of accelerating sea level rise???
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Old 11-10-2018, 05:10 PM
 
Location: sarasota
1,089 posts, read 1,681,158 times
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no one seems to be willing to say that there is no solution to the problem, at least not one that our government is willing to pay for. I guess our childrens' childrens' children will have to move to Kansas. Unless the tornadoes get them.
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Old 11-10-2018, 05:17 PM
 
11,610 posts, read 10,323,110 times
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Quote:
Originally Posted by photoman_6 View Post
no one seems to be willing to say that there is no solution to the problem, at least not one that our government is willing to pay for. I guess our childrens' childrens' children will have to move to Kansas. Unless the tornadoes get them.
Ironically, climate change is pushing tornado alley east of the Mississippi River, as moisture levels plummet west of the Mississippi.

https://www.nature.com/articles/s41612-018-0048-2

I wonder what has happened to the level of tornado activity in Florida over recent decades as the surrounding oceans and the atmosphere in the Southeast and Florida become warmer and more moist.

http://www.sun-sentinel.com/news/int...htmlstory.html

Is the severity of FL tornadoes increasing?

http://hypotheticaltornadoes.wikia.c...rnado_outbreak

Last edited by WRnative; 11-10-2018 at 05:40 PM..
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Old 11-10-2018, 05:55 PM
 
11,610 posts, read 10,323,110 times
Reputation: 7213
https://www.pbs.org/newshour/show/se...study-projects
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Old 11-11-2018, 07:30 PM
gg
 
Location: Pittsburgh
26,137 posts, read 25,825,203 times
Reputation: 17378
Fear is what everything is all about. Never underestimate nature. I think things will change around and we will see a huge cold spell. Why? Nature against us. I think nature will win.
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Old 11-12-2018, 03:35 AM
 
11,610 posts, read 10,323,110 times
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Quote:
Originally Posted by gg View Post
Fear is what everything is all about. Never underestimate nature. I think things will change around and we will see a huge cold spell. Why? Nature against us. I think nature will win.
Even if some natural event, such as a very large volcanic eruption, leads to a cooling of the earth for a number of years, carbon dioxide emissions will continue to be absorbed by the oceans, converted to carbonic acid, and result in increasing ocean acidification, which is devastating to marine life. Ocean acidification is threatening the bottom of oceanic food chain, such as zooplankton, and warming oceans and ocean acidification may disrupt and threaten phytoplankton, which provides much of the world's oxygen supply.

https://ocean.si.edu/ocean-life/inve...-acidification

And read the second part of post one regarding the possibility (likelihood?) of a vicious methane feedback loop. If the massive amount of frozen methane deposits in the world thaw and are released into the atmosphere, a rapid warming of the earth well beyond what is anticipated by scientists could be triggered.

The reality is that humans always have been the one species on our planet with the potential to pose an existential threat to all of the world's species. However, we are homo sapiens, or "wise man." If we don't exercise our wisdom and listen to the warnings of the best and the brightest among us -- the world's scientists -- we simply are a species of great intellect and cleverness, but only an insufficient supply of wisdom.

My tolerance for man-made climate change science deniers and agnostics has plummeted since the release of the latest U.N. climate change panel report, and the admission that even those scientists had underestimated the dire consequences of massive carbon emissions resulting from fossil fuel consumption.

They emphasized how the world's coral species already were dying off at a rapid rate, and that their previous report had not foreseen this development. The latest U.N. climate change report noted the urgency of reducing fossil fuel consumption, but also noted that unquantified feedback loops could exacerbate global warming and make their estimates too conservative. Even as our empirical datasets increase in quality, most of us ignore the implications.

https://www.nationalgeographic.com/s...limate-change/

https://www.sciencedaily.com/release...1108164318.htm

https://www.theguardian.com/environm...mate-bleaching

https://en.wikipedia.org/wiki/Florid...s_to_the_reefs

For weeks, I've asked the man-made climate change science deniers on the Florida C-D forums what their reaction is to the loss of the great Florida coral reef. I've asked what happens to the 35 billion metric tons of carbon dioxide emissions that accumulate in the earth's atmosphere annually. Not ONCE have I received a response.

Will Floridians continue to support man-made climate change science deniers even as their famous beaches and renown coastal nature preserves are inundated and destroyed right before their eyes?

Florida already is facing dire consequences of man-made climate change. One of Florida's greatest natural assets -- the Florida coral reef, third largest in the world -- already is being destroyed. Its degradation, let alone its loss, will have a significantly negative impact on Florida's environmental reputation let alone its actual natural beauty and fisheries; the loss of Florida's coral reefs also will have a massive economic impact. Yet, neither the woes of Florida's coral species, the accelerating inundation of Florida, the intensification of hurricanes, the impact of warming water on toxic algal blooms, none of this was a major issue in the Florida elections.

So, read post one again carefully. Note that methane emissions already account for 15 billion metric tons of carbon dioxide equivalent annual increase in the planet's greenhouse gas load. This is shocking news, yet, believe me, persons who read this thread know more about it than apparently most Congresspersons, the nation's media, and the vast majority of Americans.

Even if the Denier-in-Chief has heard this, he likely already has forgotten it, or rationalized it away due to his great "natural instinct for science," which he says allows him to ignore the warnings of the world's actual scientists, who, unlike the omnipotent Donald Trump, are burdened by empirical data, peer review, and the scientific method.

https://www.usatoday.com/story/news/...ce/1674336002/

We are not respecting the power of nature if we believe, as does the Denier-in-Chief, that nature is some benevolent force that magically will save mankind from its own transgressions. Such a belief is NOT a characteristic of "wise man."

Last edited by WRnative; 11-12-2018 at 04:16 AM..
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Old 11-12-2018, 07:59 AM
 
361 posts, read 255,595 times
Reputation: 566
I share your concerns about climate change and seawater rise.

Can you tell me where you got these numbers? My mom owns a canal home walking distance to Siesta Key Beach. She says her home is documented as 8.4 feet above sea level, and I see that there is quite a drop down to her dock on the canal. The home doesn't appear to be higher than the rest of the neighborhood, so either things have changed, or to make that average work, there are Siesta Key homes level with seawater.

Please share a link - thanks!


Quote:
Originally Posted by WRnative View Post
The numbers 3, 6, 10, and 16 will become increasingly ingrained in the region's consciousness in coming years. They represent, respectively, the average elevations of Siesta Key, Bradenton, Venice, and Sarasota. As Florida's sea level rise accelerates in coming years, these physical realities will begin to weigh on the region.

Harold Wanless, a sea level rise expert and chairman of the geological sciences department at the Univ. of Miami, expects 15 feet of sea level rise by 2100, and perhaps much more. Wanless says that the rate of sea level rise now is doubling every 7 years. If Wanless is correct, sea level rise also will be much greater than anticipated in the next couple decades.

https://www.theguardian.com/environm...elizabeth-rush

Wanless sees accelerating ice melt and thermal expansion as the oceans warm as among the factors contributing to sea level rise in Florida.

Obviously, the region's beaches, coastal parks and nature preserves will be at most immediate risk.

https://www.floridatrend.com/article...ida-2025--2050

New satellites launched in 2018 will provide datasets to improve sea level rise projections.

https://climate.nasa.gov/news/2680/n...-accelerating/

https://futurism.com/sea-level-rise-faster

Why hasn't Florida or local governments conducted studies to project how rapidly beaches will be eroded if sea level rise isn't impacted by a transition away from fossil fuel consumption?

https://www.ocala.com/news/20180513/...cts-on-florida

Watch atmospheric methane levels closely, as methane is 80 times more potent as a greenhouse gas than carbon dioxide, and the thawing of frozen methane deposits in the Arctic and deep oceans has the potential to release massive amounts of methane, resulting in a vicious methane feedback loop that could greatly accelerate global and ocean warming, ice melt and sea level rise.

https://www.scientificamerican.com/a...as-is-methane/

https://en.wikipedia.org/wiki/Arctic_methane_emissions

Rising methane levels should be of utmost concern as a vicious methane feedback loop already may be under way, and is known to very few Americans, and is not even a factor in the policy debate still dominated by man-made climate change science deniers, especially in Florida. I was shocked reading this article that methane already is contributing 15 billion metric tons of carbon dioxide equivalent to the earth's atmosphere annually; despite extensive reading on climate change, I had never before seen this statistic.

https://www.economist.com/science-an...pheric-methane

Man-made emissions of methane also are a significant issue as the U.S. and the world transitions to "cleaner" natural gas consumption and away from coal and oil.

https://www.forbes.com/sites/edfener.../#40adf55fbd22
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Old 11-12-2018, 08:56 AM
 
11,610 posts, read 10,323,110 times
Reputation: 7213
Quote:
Originally Posted by Gulf coast jon View Post
I share your concerns about climate change and seawater rise.

Can you tell me where you got these numbers? My mom owns a canal home walking distance to Siesta Key Beach. She says her home is documented as 8.4 feet above sea level, and I see that there is quite a drop down to her dock on the canal. The home doesn't appear to be higher than the rest of the neighborhood, so either things have changed, or to make that average work, there are Siesta Key homes level with seawater.

Please share a link - thanks!
Just searched on Google for name, elevation. I didn't look for detail, so it's possible that they are average elevations. What happens to taxes, political jurisdiction, roads, etc., as much of a community is swamped?
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Old 11-12-2018, 09:25 AM
 
361 posts, read 255,595 times
Reputation: 566
Quote:
Originally Posted by WRnative View Post
Just searched on Google for name, elevation. I didn't look for detail, so it's possible that they are average elevations. What happens to taxes, political jurisdiction, roads, etc., as much of a community is swamped?
Good points, but again, the 3 foot elevation thing struck me as a questionable average. Thanks for answering, I see your search result at:

https://www.google.com/search?q=sies...+key+elevation

I think they are talking about Siesta Key Beach, not the homes walking distance away.

My dad chose their home on Siesta Key in 1978, researched the elevation, xeriscaped the property (Siesta key is a mix of turf and less offensive landscaping).

Again, I think your posts are on point. Florida can't by itself solve global climate change, but it can lessen the pollution of its greatest asset.
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