Reformulation of the Used Model to Estimate Soil Temperature

Júlio M. T. Diniz, Carlos A. C. dos Santos, Jean P. S. da Silva and Álvaro B. da Rocha
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Júlio M. T. Diniz: School of Apprentices-Sailors of Pernambuco, Navy of Brazil, Olinda 53110-901, Pernambuco, Brazil
Carlos A. C. dos Santos: Academic Unity of Atmospheric Sciences, Technology and Natural Resources Center, Federal University of Campina Grande, Campina Grande 58109-970, Paraíba, Brazil
Jean P. S. da Silva: Department of Physics, Sciences and Technology Center, State University of Paraíba, Campina Grande 58429-500, Paraíba, Brazil
Álvaro B. da Rocha: Academic Unity of Mechanical Engineering, Sciences and Technology Center, Federal University of Campina Grande, Campina Grande 58429-140, Paraíba, Brazil

Energies, 2022, vol. 15, issue 8, 1-9

Abstract: The Earth is permanently surrounded by cloud cover that, particularly, is an essential component in the planet’s energy balance. In turn, cloud cover intervenes in the main conditioning factor for soil temperature: solar radiation. In particular, the soil thermal amplitude should be dampened with the attenuation of solar radiation. However, the scientific community rarely analyzes this relationship, neglecting the model that is used to estimate the soil temperature. In this context, the present study seeks to reformulate the model by inserting a variable referent to cloud cover. Thus, to achieve this objective, a physical-mathematical review of the heat flow in the vertical profile of soil is performed. The reformulated model indicates the influence of cloud cover, intervening for both the soil’s heating (nighttime period) and cooling (daytime period). Finally, the reformulated model should be employed to estimate the soil thermal behavior (in particular, on “overcast sky” days).

Keywords: energy balance; cloud cover; soil temperature (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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