klapauzius
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Re: Is the science settled over global warming? If so when?

Mon May 20, 2013 5:35 pm

LTLFTcomposite wrote:http://news.yahoo.com/extreme-global-wa ... 21067.html

So the sky is still falling, but not as fast as previously thought? (or hoped?)

Its still bad news.
What is more remarkable is, that so far, all the predictions and models have been holding up quite well, given the complexity of the matter.

I would rather have the sky not fall at all.

AndyH
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Re: Is the science settled over global warming? If so when?

Tue May 21, 2013 1:18 pm

"The stupid become extinct."-Bill Mollison
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Stoaty
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Re: Is the science settled over global warming? If so when?

Wed May 22, 2013 8:50 pm

Dust bowl future:

http://thinkprogress.org/climate/2013/0 ... te-change/" onclick="window.open(this.href);return false;

https://www2.ucar.edu/atmosnews/opinion ... -and-drier" onclick="window.open(this.href);return false;

Doesn't look good, and these problems are already beginning. Biggest near term problem from climate change because it affects the production of food.
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AndyH
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Re: Is the science settled over global warming? If so when?

Thu May 23, 2013 10:50 am

Texas has a number of man-made reservoirs that were built to provide water for irrigation, hydroelectric power, and municipal water.

Medina lake used to provide water for part of San Antonio and for farmers between San Antonio and the Gulf of Mexico. Extraction for municipal water stopped earlier this year when water quality dropped below legal limits.

Image
Image

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http://www.mysanantonio.com/news/enviro ... to-4426559

Most water releases from the Colorado river (not that Colorado river, the 18th longest river in the US that nearly bisects Texas ;)) have stopped - except for those required to maintain threatened species and to generate electricity. The most upstream lake hasn't been full since 2005.

http://www.lcra.org/water/conditions/river_report.html
http://www.lcra.org/portal/page/portal/ ... levels.pdf
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Stoaty
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Re: Is the science settled over global warming? If so when?

Thu May 23, 2013 2:04 pm

Non-partisan Congressional Budget Office says we need to put a price on carbon:

http://thinkprogress.org/climate/2013/0 ... on-carbon/" onclick="window.open(this.href);return false;
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smkettner
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Re: Is the science settled over global warming? If so when?

Thu May 23, 2013 2:11 pm

Settled? I think the debate will continue for over a thousand years :|
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AndyH
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Re: Is the science settled over global warming? If so when?

Tue Jun 11, 2013 12:55 pm

The artificial debate is a distraction designed to stop movement. Maybe risk management should be the real focus?

Compare this message from 2007 with the state of the planet over the past few years...

"The stupid become extinct."-Bill Mollison
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WetEV
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Re: Is the science settled over global warming? If so when?

Wed Mar 15, 2017 9:10 am

RegGuheert wrote:
o00scorpion00o wrote:The polar ice is still there despite it supposed to be gone 10 years ago,...
And it looks like the ice in Anarctica intends to stay there. Sea and land ice in antarctic are both increasing and the average amount in 2012 is higher than the average for the past 33 years when records have been kept. At least one day in 2012 set an all-time record for Antarctic ice for that day of the year.

So how can Antarctica be setting ice records while the rest of the surface temperatures are experiencing all-time highs? You certainly cannot explain that by using the greenhouse-gas-dominant model used by the IPCC. Instead, it seems that temperature variations that are caused by changes in the amount of cloud cover will cause Antarctica temperatures to move in the OPPOSITE direction from the rest of the land masses. Why, because Antarctica is so reflective that cloud cover results in heating while clear days result in cooling. This is the opposite of the effect clouds have most other places on Earth.

So only expect Antarctica temperatures to rise during periods when solar sunspot activity is low or greenhouse gas concentrations are quite a bit higher, or both.
So what happened with Antarctic sea ice this year? Why a record low minimum extent? Global temperature record high, and Antarctic sea ice record low extent? Oh, do explain.
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RegGuheert
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Re: Is the science settled over global warming? If so when?

Wed Mar 15, 2017 9:33 am

WetEV wrote:So what happened with Antarctic sea ice this year? Why a record low minimum extent? Global temperature record high, and Antarctic sea ice record low extent? Oh, do explain.
Sure, I'll explain it to you since you seem to think it melted. It didn't melt.

Here is what happened, according to the National Sea Ice Data Center:
NSIDC wrote:The early maximum appears to be the result of an intense wind pattern in September, spanning nearly half of the continent from the Wilkes Land area to the Weddell Sea, and centered on the Amundsen Sea. Stronger than average low pressure in this area, coupled with high pressure near the Falkland Islands, and near the southern tip of New Zealand in the Pacific Ocean, created two regions of persistent northwesterly winds. Sea ice extent decreased in the areas where the northwesterly winds reached the ice front.
What happens with sea ice is that it gets blown by the wind. When the wind blows strongly against the ice front, it compresses the ice into a smaller extent.

They continued their narrative in their December, 2016, report:
NSIDC wrote:When the westerly wind pattern broke down in November, winds in several areas of Antarctica started to blow from the north. Over a broad area near Wilkes Land, the ice edge was pushed toward the continent.
Bolding mine.

Put another way, that extra Antarctic sea ice extent has been compressed into extra sea ice thickness. That will expose more of the sea water around Antarctica to freezing in the future once the downward trend in the sea surface temperatures of the southern ocean resumes following the current El Nino-induced spike:

Image
RegGuheert
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finman100
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Re: Is the science settled over global warming? If so when?

Wed Mar 15, 2017 4:40 pm

Sarcasm on

I sure am glad the deniers gots all those fancy charts disproving climate change. For awhile there I was afraid of fake news. but now I'm embracing it.

Sarcasm off

Please do us all a favor and get the f out of the way of real scientists trying to mitigate a disaster that will affect everyone. Why are we such a stupid species...
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