OT: global warming and storm surges

There are more of them around

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"Consequently, flood height return periods (for New York) that were ? ?500 y during the preindustrial era have fallen to ?25 y at prese nt and are projected to fall to ?5 y within the next three decades. "

Happily for John Larkin, he lives in California, and won't find his feet ge tting wet due to the - in his view - benign - effects of global warming, ev en if it were happening.

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Bill Sloman, Sydney (where I live quite a bit above current sea level)
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bill.sloman
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??500 y during the preindustrial era have fallen to ?25 y at present and are projected to fall to ?5 y within the next three d ecades."

t getting wet due to the - in his view - benign - effects of global warmi ng, even if it were happening.

"CMIP5 models indicate that there will be minimal change in storm-surge heights from 2010 to 2100 or 2300,"

So, what is the panic? Sea level rise has been a steady 3mm/year for the

past 100 years or so. They go back to pre-industrial days for the base start, which even idiots know that was the end of the LIA and things were warming up.

Clutching at straws.

John

Reply to
John Robertson

??500 y during the preindustrial era have fallen to ?25 y at pr esent and are projected to fall to ?5 y within the next three decad es."

t getting wet due to the - in his view - benign - effects of global warming , even if it were happening.

Concentrating on what has been happening for the past 100 years rather igno res the Greenland and West Antarctic ice sheets, which are likely to slide of into the ocean sooner rather than later. Predicting when is a question o f working out the mechanical stability deep in the ice sheet, but it's goin g to happen.

Sea level rise so far mainly been due to the thermal expansion of a slightl y warmer ocean. The land-based ice sheets are less predictable, but the con sequent sea level rise is quite a bit larger - about 10 metres when they've both slid off.

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Bill Sloman, Sydney
Reply to
bill.sloman

I think the climate alarmism thing is finally falling apart. Certainly most of the population has lost interest; only a few professional crazies (or amateurs with nothing useful to do) are still worked up over this.

Sensitivity to CO2 doubling has been wildly over-estimated. Newer studies are coming in below 0.5C.

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Crop yields and population continue to increase, and NYC is still above water.

Sorry to disappoint the crabby old farts, but the planet is doing nicely.

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John Larkin         Highland Technology, Inc 

lunatic fringe electronics
Reply to
John Larkin

00 y during the preindustrial era have fallen to ?25 y at present and are p rojected to fall to ?5 y within the next three decades."

et getting wet due to the - in his view - benign - effects of global warmin g, even if it were happening.

It's not falling apart. It's just that it is slow, and sensation junkies ar en't getting enough stimulation to keep them interested.

John Larkin is acting precisely like the frog in the saucepan - because the water isn't heating up fast enough for him to notice a difference, he won' t jump out of the saucepan while he still can.

pheric parameters are not varied " isn't an estimate of the CO2 sensitivity of the actual atmosphere. John Larki has done his done his usual trick of reading without comprehension.

More people can grow more crops, and need to grow more crops, and will do s o for quite a while even while it becomes increasingly difficult. NYC is ba ck above water now that Sandy has gone away, but the next hurricane that ge t further away from the equator than they used to will submerge even more o f it, and there are the Greenland and East Antarctic ice sheets waiitng to decide when they will slide off into the ocean

And no doubt there was a dinosaur who looked at the incoming asteroid and s aid that it was an interesting new feature in the night sky, but nothing to worry about. Of course nobody expects dinosaurs to master astronomy, any m ore than we can expect John Larkin to be able to understand the physics of anthropogenic global warming.

The dinosaur ended up dead, and his entire species with him. John Larkin is probably going to expire of natural causes before anthropogenic global war ming kills all that many people in California, so his genetic defects aren' t going to selected out quite as fast.

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Bill Sloman, Sydney
Reply to
bill.sloman

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