Soil Heat Flux in Arid Crop Fields
Table 1. Representative soil heat flux ranges at 5 cm depth in arid environments.
Environment |
Season |
Daily Max G (W/m²) |
Daily Min G (W/m²) |
Daily Mean G (W/m²) |
Source (APA Citation) |
|---|---|---|---|---|---|
Natural desert (bare soil) |
Summer (peak) |
~200–250 |
~–40 to –60 |
+20 to +30 (net gain) |
Kustas et al. (2000) |
Natural desert (bare soil) |
Winter (cool) |
~30–50 |
~–5 to –15 |
~0 (approx. balanced) |
Soltani et al. (2020) |
Arid cropland (bare soil) |
Summer (early) |
~150–200 |
~–30 to –50 |
+5 to +15 |
Wang et al. (2015) |
Arid cropland (with crop) |
Summer (mid) |
~50–100 |
~–10 to –30 |
~0 (near neutral) |
Sauer & Horton (2005) |
Arid cropland (fallow) |
Winter |
~20–40 |
~–5 to –10 |
–0 to –5 (net loss) |
Soltani et al. (2020) |
References
Kustas, W. P., Prueger, J. H., Hatfield, J. L., Ramalingam, K., & Hipps, L. E., 2000, Variability in soil heat flux from a mesquite dune site: Agricultural and Forest Meteorology, d103(3), 249-264, https://doi.org/10.1016/S0168-1923(00)00130-3
Sauer, T. J., & Horton, R., 2005, Soil heat flux in J. L. Hatfield & J. M. Baker, eds., Micrometeorology in Agricultural Systems: American Society of Agronomy, pp. 131–154, https://doi.org/10.2134/agronmonogr47.c7
Soltani, M., Haghighi, E., & Zeyghami, M., 2020, Estimation of soil heat flux using remote sensing data in an arid region: Journal of Arid Environments, 174, 104047. https://doi.org/10.1016/j.jaridenv.2019.104047
Wang, Z., Li, S., Li, Z., & Wang, Q., 2015, Soil heat flux dynamics in potato fields mulched with plastic film in an arid area of Northwest China: Agricultural and Forest Meteorology, 202, 37-47, https://doi.org/10.1016/j.agrformet.2014.12.008