A Climate Realist’s (not so) short Answers to Hard Questions About Climate Change. Question 15 (of 16) Will the seas rise evenly across the planet?

NOV. 28, 2015 gave his answers to 16 questions in the N.Y. Times regarding Climate Change. This Climate realist added his answer.

 Answers to Question 1: How much is the planet heating up?

Answers to Question 2. How much trouble are we in?

Answers to Question 3. Is there anything I can do?

Answers to Question 4. What’s the optimistic scenario?

Answers to Question 5. Will reducing meat in my diet help the climate?

Answers to Question 6. What’s the worst-case scenario?

Answers to Question 7. Will a tech breakthrough help us?

Answers to Question 8. How much will the seas rise?

Answers to Question 9. Are the predictions reliable?

Answers to Question 10. Why do people question climate change?

Answers to Question 11. Is crazy weather tied to climate change?

Answers to Question 12. Will anyone benefit from global warming?

Answers to Question 13. Is there any reason for hope?

Answers to Question 14. How does agriculture affect climate change?

Justin Gillis answer to Question 15. Will the seas rise evenly across the planet?

Think lumpy.

Many people imagine the ocean to be like a bathtub, where the water level is consistent all the way around. In fact, the sea is rather lumpy – strong winds and other factors can cause water to pile up in some spots, and to be lower in others.

Also, the huge ice sheets in Greenland and Antarctica exert a gravitational pull on the sea, drawing water toward them. As they melt, sea levels in their vicinity will fall as the water gets redistributed to distant areas.

How the rising ocean affects particular parts of the world will therefore depend on which ice sheet melts fastest, how winds and currents shift, and other related factors. On top of all that, some coastal areas are sinking as the sea rises, so they get a double whammy.

My answer to Question 15. Will the seas rise evenly across the planet?

We are still recovering from the last ice age. The planet is becoming less ovoid, more like a sphere. In the Bothnian Bay land is rising out of the ocean at a rate of about 3 feet per century. It is by no means over yet. The displaced water gets redistributed over the rest of the earth. In addition the Mid-Atlantic ridge is expanding and rising with numerous undersea volcanoes, maybe up to one third of all undersea volcanoes are located between Jan Mayen and Svalbard. Teutonic plate movements explain the rest. The Eastern Seaboard is slowly sinking into the sea, more than the rest of the world. Te expansion of the ocean is not accelerating.The take home from this picture is that there are cyclical factors quite apart from rising CO2, but sea level rise is not accelerating.

Answers to Question 16. Is it really all about carbon?

Published by

lenbilen

Engineer, graduated from Chalmers Technical University a long time ago with a degree in Technical Physics. Career in Aerospace, Analytical Chemistry, and chip manufacturing. Presently adjunct faculty at PSU, teaching one course in Computer Engineering, the Capstone Course.

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