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10: An introduction to the soil-root-system, 14.08.2017

Autor

Gabriel Katul

Herausgeber

KIT | Webcast

Beteiligtes Institut

KIT-Bibliothek (BIB)

Genre

Vorlesung

Beschreibung

  • 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

Laufzeit (hh:mm:ss)

01:20:44

Serie

MICMoR Summer School 2017: Transport Phenomena and the Limits of Life in the Biosphere

Publiziert am

29.01.2018

Fachgebiet

Geowissenschaften

Lizenz

KITopen-Lizenz

Auflösung 1280 x 720 Pixel
Seitenverhältnis 16:9
Audiobitrate 128000 bps
Audio Kanäle 2
Audio Codec aac
Audio Abtastrate 48000 Hz
Gesamtbitrate 933994 bps
Farbraum yuv420p
Container mov,mp4,m4a,3gp,3g2,mj2
Medientyp video/mp4
Dauer 4844 s
Dateiname DIVA-2018-117_hd.mp4
Dateigröße 565.517.894 byte
Bildwiederholfrequenz 25
Videobitrate 799895 bps
Video Codec h264

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