Dirty Ice or Icy Dirt?. Soil Moisture Saturation UNDER-SATURATED Not enough water to fill all of the pore space of a given soil SATURATED Just the right.

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Presentation transcript:

Dirty Ice or Icy Dirt?

Soil Moisture Saturation UNDER-SATURATED Not enough water to fill all of the pore space of a given soil SATURATED Just the right amount of water to fill all of the pore space of a given soil OVER-SATURATED More water than can fit in the pore space of a given soil

Saturated?

What is the maximum water weight % that typical dirt on Earth can hold? Design your own experiment!

Water Estimates on Earth

Guess water weight % for each of these environments Dry Valley, Antarctica Canadian Permafrost Antarctic Glacier

Approximate water weight % for each of these environments Dry Valley, Antarctica Canadian Permafrost Antarctic Glacier ~100 % ~25 % ~1 %

Water Estimates on Mars

Frostfree Map of Water at Top Meter of Mars A B

Visible Map of Mars Surface A B