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needle ice I pulled this needle ice from the base of the snow, and it had frozen in the mudflats at the edge of a reservoir. Geotagged,United States Click/tap to enlarge

needle ice

I pulled this needle ice from the base of the snow, and it had frozen in the mudflats at the edge of a reservoir.

    comments (5)

  1. View Christine Young's profile
    Christine Young
    Lion
    View Lion class
    This is really cool! Welcome to JungleDragon, Ben! Posted 2 years ago
    1. View BenHipple's profile
      BenHipple
      Green Fly
      View Green Fly class
      Thanks for the comment. I posted two other photos of the needle ice formations. Did you see the other photos? Posted 2 years ago
      1. View Christine Young's profile
        Christine Young
        Lion
        View Lion class
        I saw them! Great photos. We have some other photos on JungleDragon of needle ice and needle hair. It's such a fun thing to find, but I rarely see it.
        Needle Ice Needle ice occurs when the temperature of the soil is above 0 °C (32 °F), but the surface temperature of the air is below 0 °C (32 °F). The underground liquid water is brought to the surface via capillary action, where it freezes and contributes to a growing needle-like ice column.<br /> <br /> Habitat: Deciduous forest. These were everywhere and many were quite large. They make walking tricky as they are hiding under leaves and collapse when you step on them. Geotagged,United States,Winter,frost heave,hoar frost,ice,needle ice

        Hair Ice! This ice is formed with in dead deciduous wood and extruded into the open air. The process needs, humid air, below freezing temperatures and, just recently discovered, the fungus, Exidiopsis effusa! The fungus also produces a recrystallisation inhibitor that stabilizes the 0.01mm hairs. <br /> https://en.wikipedia.org/wiki/Hair_ice<br /> Canada,Fall,Geotagged,Natural events

        Hair Ice Fall,Geotagged,United States,ice
         Posted 2 years ago
        1. View BenHipple's profile
          BenHipple
          Green Fly
          View Green Fly class
          I see that you have taken some photos of Needle Ice too! Every few years I have seen needle ice on the surface where the ice crystals have pushed up some forest litter such as leaves or soil. And I have see neat samples of hoar frost ( we used to call that " frosted flakes" crystals. But I have never seen the ice towers where they pushed up under a layer of snow such as in the photos that I have submitted. Posted 2 years ago
          1. View Christine Young's profile
            Christine Young
            Lion
            View Lion class
            Ohh, hoar frost is so cool! I've never seen the ice towers like in your photos, either. It's very unique! Posted 2 years ago

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By BenHipple

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Uploaded Nov 28, 2022. Captured in WX55+QH McCall, ID, USA.
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