Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 648, Issue -, Pages 1394-1402Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scitotenv.2018.08.233
Keywords
Climate change; Global warming hiatus; MODIS; Natural variability; Anthropogenic forcing; Remote sensing
Categories
Funding
- National Natural Science Foundation of China [41671428]
- National Key R&D Program of China [2017YFB0503902]
- Major Science and Technology Program for Water Pollution Control and Treatment [2017ZX07302003]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX18_1203]
- Priority Academic Program Development of Jiangsu Higher Education Institutions, China
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The slowdown in global warming since 1998, often termed the global warming hiatus. Reconciling the hiatus is a main focus in the 2013 climate change conference. Accurately characterizing the spatiotemporal trends in surface air temperature (SAT) is helps to better understand the hiatus during the period. This article presents a satellite-based regional warming simulation to diagnose the hiatus for 2001-2015 in China. Results show that the rapid warming is mainly in western and southern China, such as Yunnan (mean +/- standard deviation: 0.39 +/- 0.26 degrees C (10 yr)(-1)), Tibet (0.22 +/- 0.25 degrees C (10 yr)(-1)), Taiwan (0.21 +/- 0.25 degrees C (10 yr)(-1)), and Sichuan (0.19 +/- 0.25 degrees C (10 yr)(-1)). On the contrary, there is a cooling trend by 0.29 +/- 0.26 degrees C (10 yr)(-1) in northern China during the recent 15 yr, where awarming rate about 0.38 +/- 0.11 degrees C (10 yr)(-1) happened for 1960-2000. Overall, satellite simulation shows that the warming rate is reduced to -0.02 degrees C (10 yr)(-1). The changes in underlying surface, Earth's orbit, solar radiation and atmospheric counter radiation (USEOSRACR) cause China's temperature rise about 0.02 degrees C (10 yr)(-1). A combination of greenhouse gases (GHGs) and other natural forcing (ONAT, predominately volcanic activity, and atmosphere and ocean circulation) explain another part of temperature trend by approximately -0.04 degrees C (10 yr)(-1). We conclude that there is a regional warming hiatus, a pause or a slowdown in China, and imply that GHGs-induced warming is suppressed by ONAT in the early 21st century. (C) 2018 Elsevier B.V. All rights reserved.
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