A bench-scale assessment of the effect of soil temperature on bare soil evaporation in winter

Abstract

To quantitatively evaluate in the laboratory the effect of soil temperature on bare soil evaporation, this study uses two indoor soil columns and homogenized sand as an example to carry out the experimental study of soil temperature on bare soil evaporation in winter. The results show that the soil temperature directly affects the change in bare soil evaporation and that the effect decreases as the soil temperature decreases. Because of the influence of soil temperature, the soil water movement accelerates, and the soil water content increases. At a depth of 50 cm, the average difference in soil water content between groups A and B was 7.61%. The soil evaporation when considering the soil temperature was obviously greater than that without considering the soil temperature. This shows that in a laboratory environment where the soil temperature is higher than the room temperature in winter, the effect of the soil temperature on bare soil evaporation is significant. Soil temperature directly affects soil water movement and distribution, which is one of the important influencing factors affecting bare soil evaporation.

Land use affects the response of soil moisture and soil temperature to environmental factors in the loess hilly region of China

“…Furthermore, air humidity, wind speed, and other factors influence changes in soil moisture by affecting the intensity of soil moisture evaporation ( Akinyemi et al, 2007 ; MacDonald, Pomeroy & Essery, 2018 ). Soil temperature is another environmental factor that influences soil moisture movement; according to Liu, Xia & Shang (2020) , it directly impacts soil water movement and distribution, and is one of the major influencing factors affecting bare soil evaporation. Soil temperature profile, particularly that of surface soil, varies with seasons and day–night changes in nature and has a direct impact on soil moisture infiltration, redistribution, and evaporation, which is especially significant in arid and semi-arid regions ( Sarkar, Paramanick & Goswami, 2007 ; Sypka, Kucza & Starzak, 2016 ).…”

Spatial variation of soil temperature fields in a urban park

“…Soil temperature is influenced by factors from two groups: these are factors that determine the amount of heat reaching the soil surface and factors that influence the amount of heat transferred along the soil profile [22,23]. The factors that influence the amount of heat that reaches the soil surface are the colour of the soil surface [24], mulching [25], the amount of solar radiation [1,26,27] the slope of the soil surface [28,29], the vegetation cover [30,31], the organic matter content of the soil [32] and the intensity of evaporation from the soil surface [33,34]. The amount of radiation received by the soil affects soil temperature, biological processes such as: seed germination, seedling emergence, plant root growth and nutrient availability.…”

Peer Review #2 of "Land use affects the response of soil moisture and soil temperature to environmental factors in the loess hilly region of China (v0.1)"

“…Furthermore, air humidity, wind speed, and other factors influence changes in soil moisture by affecting the intensity of soil moisture evaporation (Akinyemi et al, 2007;MacDonald et al, 2018). Soil temperature is another environmental factor that influences soil moisture movement; according to Liu et al (2020), it directly impacts soil water movement and distribution, and is one of the major influencing factors affecting bare soil evaporation. Soil temperature profile, particularly that of surface soil, varies with seasons and day-night changes in nature and has a direct impact on soil moisture infiltration, redistribution, and evaporation, which is especially significant in arid and semi-arid regions (Sarkar et al, 2007;Sypka et al, 2016).…”