The hysteresis effect on surface-air temperature relationship and its implications to urban planning: An examination in Phoenix, Arizona, USA. Song, J., Wang, Z. H., Myint, S. W., & Wang, C. Y. Landscape and Urban Planning, 167:198–211, November, 2017. Paper doi abstract bibtex Urban areas, with massive built-up landscapes and manmade structures, have different patterns of local microclimate as compared to natural terrains. A better understanding of the surface-air temperature relationship in urban environments is of significant importance in interpreting urban climatic characteristics and solving related environmental problems via sustainable landscape planning strategies. In this study, we analyse the ground based in-situ measurements as well as remotely sensed thermal dataset in Phoenix, AZ. Prominent hysteresis effect manifests in correlating diurnal cycles of surface and near-surface air temperatures. In particular, a peculiar pattern of "8-shaped" surface-air temperature hysteresis is observed over concrete pavement especially in winters. Pearson's r values, measuring the strength of surface-air temperature coupling, show strong correlation with incoming solar radiation and wind speed, but are relatively insensitive to humidity. The hysteresis effect diminishes at climatic scale, such that the remotely sensed surface temperature can be approximated as linearly correlated to the near-surface air temperature.
@article{song_hysteresis_2017,
title = {The hysteresis effect on surface-air temperature relationship and its implications to urban planning: {An} examination in {Phoenix}, {Arizona}, {USA}},
volume = {167},
issn = {0169-2046},
shorttitle = {The hysteresis effect on surface-air temperature relationship and its implications to urban planning: {An} examination in {Phoenix}, {Arizona}, {USA}},
url = {://WOS:000412959400019},
doi = {10.1016/j.landurbplan.2017.06.024},
abstract = {Urban areas, with massive built-up landscapes and manmade structures, have different patterns of local microclimate as compared to natural terrains. A better understanding of the surface-air temperature relationship in urban environments is of significant importance in interpreting urban climatic characteristics and solving related environmental problems via sustainable landscape planning strategies. In this study, we analyse the ground based in-situ measurements as well as remotely sensed thermal dataset in Phoenix, AZ. Prominent hysteresis effect manifests in correlating diurnal cycles of surface and near-surface air temperatures. In particular, a peculiar pattern of "8-shaped" surface-air temperature hysteresis is observed over concrete pavement especially in winters. Pearson's r values, measuring the strength of surface-air temperature coupling, show strong correlation with incoming solar radiation and wind speed, but are relatively insensitive to humidity. The hysteresis effect diminishes at climatic scale, such that the remotely sensed surface temperature can be approximated as linearly correlated to the near-surface air temperature.},
language = {English},
journal = {Landscape and Urban Planning},
author = {Song, J. and Wang, Z. H. and Myint, S. W. and Wang, C. Y.},
month = nov,
year = {2017},
keywords = {Environmental Sciences \& Ecology, Geography, Hysteresis effect, Physical Geography, Remote sensing, Sensor network, Studies, Surface-air, Urban, Urban climate, climate, energy, environment, fluxes, heat-island, impacts, metabolism, model, sensitivity, temperature relationship, vegetation},
pages = {198--211}
}
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