Wisconsin Ice-Margin Positions (Laurentide Ice Sheet) UPDATED

  Рет қаралды 37,056

WGNHS Video

WGNHS Video

6 жыл бұрын

Set of 43 maps showing the position of ice in Wisconsin, beginning at 31,500 years ago and ending at 11,000 years ago.
Developed by David Mickelson and John Attig (Wisconsin Geological and Natural History Survey, University of Wisconsin-Extension).
Visit wgnhs.org/wisconsin-geology/ic... to learn more and download the maps.

Пікірлер: 12
@xthekingsguard1229
@xthekingsguard1229 Жыл бұрын
I’m from Michigan and I always find it fascinating my home used to be covered in snow ⛄️ ❤
@jeffreystreeter5381
@jeffreystreeter5381 2 жыл бұрын
I like the trilobite
@EmilyTienne
@EmilyTienne 6 ай бұрын
As the graphic approaches modern times, Lake Michigan shrinks to half its current size, then the video ends. Hmm.
@quarefremeruntgentes
@quarefremeruntgentes 2 ай бұрын
During the Younger Dryas Period, a lot of fresh water would have reverted to glacial ice.
@swampfizz
@swampfizz 5 жыл бұрын
remember its plus or minus a couple weeks on these dates...ha
@pamelahitz2244
@pamelahitz2244 5 жыл бұрын
I am making a mini-documentary on the Ice Age Trail in WI for one of my graduate classes. How could I receive permission to use a part of this video in my documentary? Thanks!
@WGNHS
@WGNHS 5 жыл бұрын
Hello, Pamela. That sounds like a wonderful project. Please send an email with more details to copyright@wgnhs.uwex.edu. Thanks!
@jeffreystreeter5381
@jeffreystreeter5381 2 жыл бұрын
Love the trilobite.....oh....and the documentary 😂
@theguywhopostsrandomvids
@theguywhopostsrandomvids 2 жыл бұрын
To -31,500 to -11,000
@DavidElzeitsinfill
@DavidElzeitsinfill 2 жыл бұрын
One thing we need to do is move water from the ocean back inland to places we need it and if we can do that while generating clean energy we have a chance to mitigate climate change and still have a prosperous future. It is really, really hard but it is not impossible. The biggest idea I am trying to express is tunneling aqueducts from the coast, in this case the west coast of the USA inland to feed combination geothermal power and sea water desalination plants. The idea seems to be so big that no one has considered it possible but I believe it is not only possible but it is necessary. For over a century the fossil water contained in aquifers has been pumped out to feed agriculture, industry and municipal water needs. The natural water cycle cant refill fossil water deposits that were filled 10,000 years ago when the glaciers melted after the last ice age. Without refilling these aquifers there is not much of a future for the region of the United states. As a result ground levels in some areas of the San Joaquin Valley have subsided by more than 30 feet. Similar fossil water depletion is happening in other regions all around the world. TBM and tunneling technology has matured and further developments in the industry are poised to speed up the tunneling process and it's these tunnels that are the only way to move large volumes of water from the ocean inland. The water is moved inland to areas where it can be desalinated in geothermal plants producing clean water and power. In many cases the water will recharge surface reservoirs where it will be used first to make more hydro power before being released into rivers and canal systems. It's very important however to not stop tunneling at these first stops but to continue several legs until the water has traveled from the ocean under mountain ranges to interior states. Along the way water will flow down grade through tunnels and rise in geothermal loops to fill mountain top pumped hydro batteries several times before eventually recharging several major aquifers. What I am proposing is essentially reversing the flow of the Colorado River Compact. Bringing water from the coast of California first to mountaintop reservoirs then to the deserts of Nevada and Arizona and on to Utah, New Mexico, Colorado and Wyoming. This big idea looks past any individual city or states problems and looks at the whole and by using first principles identifies the actual problem and only solution. Thank you for your time, I would like the opportunity to explain in further detail and answer any questions.
@1madmaxx80
@1madmaxx80 Жыл бұрын
Or we could just stop paving over everything and diverting water runoff straight to the oceans. It's not like aquifers need to be replenished or anything. Right? Let's increase taxes and force everyone to drive electric cars that they can't afford 👍👍
@tertur2957
@tertur2957 21 күн бұрын
Now that’s climate change.
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