Category Archives: Soil

Puddles and Soil Temperature, Part 2: Why is the water feeding the puddle not frozen?

This is the second in a series about an unusual winter puddle in Columbia, Missouri. Recall from last time that I mentioned that the water feeding the puddle would be coming to the surface from under the ground – either … Continue reading

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Puddles and Soil Temperature, Part I: Liquid puddles on a cold winter day

Mostly written 21 February 2008, from Columbia, Missouri, USA The temperature for the last few days has been below -5°C (about 20°F). The wind on my daily walks is cold but invigorating. So, I was surprised yesterday when we drove … Continue reading

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