I’m not a hydrologist, but I suspect it’s due to areas of upwelling warmer water. Alternatively, the ice could have formed, but these spots are where the surface was too unstable to permit that (wind?)
That, or some very adventurous ice fishermen were out already. people who ice fish are a strange lot.
In the nearest hole, you can see in the center where it was drilled down. They could be trying a new pond looking for where the fish are laying.
(I wouldn’t trust the ice this early in the year with my worst enemy- mostly because they could probably break out on the way back up. shhhh)
I’m not a hydrologist, but I suspect it’s due to areas of upwelling warmer water. Alternatively, the ice could have formed, but these spots are where the surface was too unstable to permit that (wind?)
Yep, this is it. The ice is thinner in those areas, allowing more heat from the water to reach the surface
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That, or some very adventurous ice fishermen were out already. people who ice fish are a strange lot. In the nearest hole, you can see in the center where it was drilled down. They could be trying a new pond looking for where the fish are laying.
(I wouldn’t trust the ice this early in the year with my worst enemy- mostly because they could probably break out on the way back up. shhhh)