Great Lakes water levels - Page 2 - SailNet Community
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post #11 of 18 Old 02-08-2020
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Re: Great Lakes water levels

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Why haven't more marinas gone to floating docks?
I think most marinas have floating docks to deal with normal seasonal fluctuations.

In this first pic, the street light that is a couple hundred feet out on the lake is normally high and dry in a parking lot.
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post #12 of 18 Old 02-08-2020 Thread Starter
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Re: Great Lakes water levels

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Why haven't more marinas gone to floating docks?
A lot do, but not nearly as many as those in tidal zones. And even those that do have floating docks probably still need to extend their angling ramps that ultimately connect to land. A lot of infrastructure, from power poles to fuel stations, is also likely at risk again this year.

And then there's the houses and businesses that have been built right to the water's edge, or have deep basements. There's going to be a lot of soggy lower floors for many of these buildings.

Why go fast, when you can go slow.
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post #13 of 18 Old 02-08-2020
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Re: Great Lakes water levels

April 2019 had 100-year floods going on in Canada.

https://www.newsflare.com/video/2904...r-flood-levels

Warmer temperatures worldwide mean more moisture is in the atmosphere. That means more rain when it rains and more snow when it snows. Look out below and downstream in 2020 if lake levels are high now.
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post #14 of 18 Old 02-08-2020
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Re: Great Lakes water levels

It's probably that normally this time of year, all of that moisture is tied up in snow throughout the area. That's why winter generally sees low water levels. This year has been very warm so it is coming down as rain and making its way directly to the lakes. Seems like it would average out in the spring though, unless there has been a lot more precipitation than normal.

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post #15 of 18 Old 02-08-2020
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Re: Great Lakes water levels

Lake Ontario and lake Erie may have had some rain but there has been precious little where I am since October. This morning I woke up to 20 below and another foot of snow.

I can't imagine Lake Superior has seen much rain since November or so either?
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Re: Great Lakes water levels

I'm really not sure where the precipitation levels have been, but the predictions for the coming season are pretty clear. It's going to be another very high year; perhaps record breaking (again).

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post #17 of 18 Old 02-09-2020
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Re: Great Lakes water levels

The levels have been rising, pretty dramatically over the last 18 months. Last winter it was so cold most of the great lakes surface area froze over, resulting in very little evaporation. The spring had an unbelievable amount of rain, which continued into the summer, and into the fall. I closed our pool in mid-September, and since then it has filled back in around 15", much more than normal. We had several multi-day rains, but very little snowfall this winter. January closed out 3" above the previous record, hopefully we get some major evaporation, as this is THE major way that water levels will drop, which hasn't been the case lately. If things go up much in the spring things will get much worse than they have been..and they have been bad.

The governor is petitioning the fed. gov't to give the coastline, and the harbor cities a designation of a Federal Emergency, which will allow funds to be used to affect repairs, and mitigation. The East side of Lake Michigan has lost significant amounts of beach frontage, and now even dunes are being totally eroded and wiped out. In many places there used to be 40' or more of actual beach, where now that beach is gone, and the dunes that were behind them, are now disappearing as well, along with the homes/parks/roadways that front Lake Michigan. Homes that have been there for 80+ years are now having to be torn down, before they fall into the lake.

It's bad, and expected to get much worse...before it gets better, whenever that may be in the foreseeable future.


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post #18 of 18 Old 02-09-2020
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Re: Great Lakes water levels

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.....Homes that have been there for 80+ years are now having to be torn down, before they fall into the lake.....
The earth is 4.5 billion years old

Humans have existed for somewhere between 50,000 and 200,000 years.

The Great Lakes were formed 14,000 years ago.

There is nothing about them that is permanent. The most significant problem of our modern society is that we built so much as the water's edge. Globally.

I am heavily suspicious of man made manipulation of the lake levels, including the hydro damming, lock systems and manipulation of the St Lawrence seaway. None of these are bad, but I don't think anyone had the foresight to know their ancillary impact. Nevertheless, neither lake levels nor the continental plates are going to stay the way we found it.


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