Journal cover Journal topic
Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
doi:10.5194/acp-2016-1013
© Author(s) 2016. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
21 Nov 2016
Review status
A revision of this discussion paper was accepted for the journal Atmospheric Chemistry and Physics (ACP) and is expected to appear here in due course.
Quantifying the contribution of land use change to surface temperature in the lower reaches of Yangtze River
Xueqian Wang1,2, Weidong Guo1,2, Bo Qiu1,2, Ye Liu1,2, Jianning Sun1,2, and Aijun Ding1,2 1Institute for Climate and Global Change Research, School of Atmospheric Sciences, Nanjing University, Nanjing, China
2Joint International Research Laboratory of Atmospheric and Earth System Sciences, Nanjing, China
Abstract. Anthropogenic land use has significant impact on climate change. Located in the typical East Asian monsoon region, the land-atmosphere interaction in the lower reaches of Yangtze River is even more complicated due to intensive human activities and different types of land use in this region. To better understand these effects on microclimate change, we compare differences in land surface temperature (Ts) for three land types around Nanjing from March to August, 2013, and then quantify the contribution of land surface parameters to these differences (ΔTs) by considering the effects of surface albedo, roughness length, and evaporation respectively. The atmospheric background contribution to ΔTs is also considered based on differences in air temperature (∆Ta). It is found that the cropland cooling effect and urban heat island effect both are induced by significant human activities in this region but they have opposite impacts on Ts. Various changes in surface parameters affect radiation and energy distribution and eventually modify Ts. It is the evaporative cooling effect that plays the most important role in this region. Besides, the background atmospheric circulation is also an indispensable part in land-atmosphere feedback induced by land use change and reinforces both cropland cooling and urban heat island effects.

Citation: Wang, X., Guo, W., Qiu, B., Liu, Y., Sun, J., and Ding, A.: Quantifying the contribution of land use change to surface temperature in the lower reaches of Yangtze River, Atmos. Chem. Phys. Discuss., doi:10.5194/acp-2016-1013, in review, 2016.
Xueqian Wang et al.
Interactive discussionStatus: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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RC1: 'Comments', Anonymous Referee #1, 23 Dec 2016 Printer-friendly Version 
AC1: 'Response to Referee #1', Weidong Guo, 15 Mar 2017 Printer-friendly Version Supplement 
 
RC2: 'Comments', Anonymous Referee #2, 08 Feb 2017 Printer-friendly Version 
AC2: 'Response to Referee #2', Weidong Guo, 15 Mar 2017 Printer-friendly Version Supplement 
Xueqian Wang et al.
Xueqian Wang et al.

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