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Soil Temperature Profiles

Soil Temperature Profiles. animation. Diurnal vertical heat transmission from solar inputs  Follow downward heat pulses. Soil T Exercise – Data 2 obs for each of 3 quadrants around shade tree.

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Soil Temperature Profiles

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  1. Soil Temperature Profiles animation Diurnal vertical heat transmission from solar inputs  Follow downward heat pulses

  2. Soil T Exercise – Data2 obs for each of 3 quadrants around shade tree Plot values – Can you explain the change with depth (delta = T vertical gradient) for each site, why these depth profiles differ among sites, and differences in surface temperatures at the surface across sites?

  3. Thermal conductivity is dependent on….? Thermal conductivity as a function of soil density for loam at three moisture contents (MC) Why increasing, e.g., with compaction?

  4. Soil thermal conductivity of clay loam as a function of organic matter content Why decreasing with OM?

  5. Soil thermal conductivity of clay loam as a function of concentrations of NaCl and CaCl2 solutions As salt concentration increases  free water energy decreases  thermal conductivity decreases

  6. Fire and thermal effects • Heat transmission from fire event • VOC translocation

  7. oxidizing effect of water logging reducing Redox oxidized form reduced form DRY effect of pH reducing oxidizing WET

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