Coupled Dynamics in Soil: Experimental and Numerical Studies by Yijian Zeng PDF

By Yijian Zeng

ISBN-10: 3642340725

ISBN-13: 9783642340727

ISBN-10: 3642340733

ISBN-13: 9783642340734

In arid and semi-arid components, the most contributions to land floor procedures are precipitation, floor evaporation and floor strength balancing. within the close-to-surface layer and root-zone layer, vapor flux is the dominant flux controlling those strategies - approach which, in flip, impression the neighborhood weather trend and the neighborhood environment. The paintings stated during this thesis makes an attempt to appreciate how the soil airflow impacts the vapor shipping in the course of evaporation tactics, by utilizing a two-phase warmth and mass move version. the need of together with the airflow mechanism in land floor approach stories is mentioned and highlighted.

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Additional info for Coupled Dynamics in Soil: Experimental and Numerical Studies of Energy, Momentum and Mass Transfer

Example text

The temperature effects on readings of MCP were conducted in the lab with the standard procedures described in detail by Polyakov et al. [27] and Fares et al. [6]. 9 % from 11 to 50 °C at 20 cm, 14 % from 9 to 51 °C at 30 cm, 13 % from 9 to 55 °C at 40 cm, and 15 % of readings from 8 to 55 °C at 50 cm, respectively. 8, 88, and 82 %, respectively. , Delft, The Netherlands), which was designed to measure the soil temperature at specific depths by determining the thermal gradients between a certain specific depth and the reference point.

Water Resour Res 34(11):2919–2929 56. Starr JL, Paltineanu IC (1998) Soil water dynamics using multisensor capacitance probes in nontraffic interrows of corn. Soil Sci Soc Am J 62(1):114–122 57. Wang D (2002) Dynamics of soil water and temperature in aboveground sand cultures used for screening plant salt tolerance. Soil Sci Soc Am J 66(5):1484–1491 58. Starr JL, Timlin DJ (2004) Using high-resolution soil moisture data to assess soil water dynamics in the vadose zone. Vadose Zone J 3(3):926–935 59.

The residual 24 2 Diurnal Pattern of Coupled Moisture and Heat Transport Process water content and the saturated water content of the experimental sand are respectively lower and higher than that of the Wagram sand. It might be the uncertainties, which could be caused by the manually packing process of the experimental sand. This packing process cannot make the experimental sand has the same pore-size distribution as the Wagram sand in Clayton, NC, USA; and this also causes the uncertainty in a and n, which are the shape factors in the water retention curve model.

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Coupled Dynamics in Soil: Experimental and Numerical Studies of Energy, Momentum and Mass Transfer by Yijian Zeng

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