Downscaling the Impacts of Large-Scale LUCC on Surface Temperature along with IPCC RCPs: A Global Perspective

Energies

卷:7

Zhan Wang¹  Yi Qu¹  Tao Zhang¹  Xiangzheng Deng¹  Chunhong Zhao¹  Yingzhi Lin²  Fan Zhang²  Feng Wu³ 

[1] Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;

[2] School of Mathematics and Physics, China University of Geosciences (Wuhan),Wuhan 430074, China;

[3] State Key Laboratory of Water Environment Simulation, School of Environment,Beijing Normal University, Beijing 100875, China;

关键词: LUCC;    surface temperature;    urbanization;    deforestation;    cultivated land reclamation;    grassland degradation;   

DOI  :  10.3390/en7042720

来源: DOAJ

【 摘 要 】

This study focuses on the potential impacts of large-scale land use and land cover changes (LUCC) on surface temperature from a global perspective. As important types of LUCC, urbanization, deforestation, cultivated land reclamation, and grassland degradation have effects on the climate, the potential changes of the surface temperature caused bythese four types of large-scale LUCC from 2010 to 2050 are downscaled, and this issue analyzed worldwide along with Representative Concentration Pathways (RCPs) of the Intergovernmental Panel on Climate Change (IPCC). The first case study presents some evidence of the effects of future urbanization on surface temperature in the Northeast megalopolis of the United States of America (USA). In order to understand the potential climatological variability caused by future forest deforestation and vulnerability, we chose Brazilian Amazon region as the second case study. The third selected region in India as a typical region of cultivated land reclamation where the possible climatic impacts are explored. In the fourth case study, we simulate the surface temperature changes caused by future grassland degradation in Mongolia. Results show that the temperature in built-up area would increase obviously throughout the four land types. In addition, the effects of all four large-scale LUCC on monthly average temperature change would vary from month to month with obviously spatial heterogeneity.

【 授权许可】

Unknown