10: An introduction to the soil-root-system, 14.08.2017 - a podcast by Karlsruher Institut für Technologie (KIT)

10 |
0:00:00 Start
0:00:27 An introduction to the soil-root-system
0:01:59 Bulk Soil Properties Defined
0:07:58 Representative Elementary Volume (REV) and the continuum hypothesis
0:11:20 State equation for soil water
0:13:12 Fluxes and flow of water
0:14:41 Text-book view-Analogy to other transport laws
0:21:50 Fluxes and flow of water
0:23:31 Fluxes and flow of water: The driving gradient
0:30:48 An 'ad-hoc' derivation of Darcy's law (for saturated conditions)
0:40:44 Darcy-Forchheimer law at Moderate Reynolds Number
0:43:29 Darcy's Law and the Hagen-Poiseuille equation
0:45:11 An 'ad-hoc' derivation of Darcy's law
0:50:21 Simplified mathematical representations
0:53:58 State Equation with roots
0:55:49 Dynamic Responses
0:56:35 Broader implications of case study for Soil moisture dynamics and climate
0:57:45 Background-Soil moisture dynamics and climate
0:58:54 Experimental results
1:00:43 Qualitative Analysis of Soil Moisture Response to Rainfall Fluctuations
1:01:17 Depth-Averaged continuity
1:04:08 Sample Time Series Measurements from Duke Forest, Durham, NC
1:05:22 Modeling Soil Moisture Dynamics: ET-s relation
1:07:02 Spectral Analysis of Soil Moisture
1:13:43 Implications to climate
1:14:17 Qualitative Analysis- Systems Approach
1:14:46 Root Water Uptake
1:16:49 Soil moisture simulations
1:19:49 Future Research Trends

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