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Title: Heat storage at sub-surface soil and microclimate at Thiruvananthapuram, India
Authors: Raja, S Abraham Thambi
Renuka, G
Keywords: Ground heat flux;Heat storage term;Microclimate;Soil -air interface
Issue Date: Aug-2005
Publisher: NISCAIR-CSIR, India
PACS No.: 92.40. Lg; 92.60.Ry
Abstract: During heat flux study at Thiruvananthapuram, in order to attain an accurate value for ground heat flux G, heat storage term ΔS of the energy balance equation was estimated and found to vary between 40 and 70% of ground heat flux, and 4 and 6% of the net radiation. Also, value of  ΔS was found to have a maximum of 117 W/m2 and a minimum of 0.4 W/m2. An empirical relation between G* (G + ΔS) and R, net radiation, is deduced and compared with avail able results. From a detailed picture of microclimate near soil -air interface. it was found that the surface energy budget was governed by the surface condition and evaporation was the most important factor in the energy balance during humid conditions. Also intense solar heating and wetness of surfaces were factors influencing ground heat flux.
Page(s): 274-280
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.34(4) [August 2005]

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