NDLI: Characteristics of climate change in the “significant impact zone” affected by aerosols over eastern China in warm seasons

Content Provider	Springer Nature Link
Author	Shi, XiaoHui Xu, XiangDe Xie, LiAn
Copyright Year	2008
Abstract	Through analysis of the distribution pattern and changing characteristics of atmospheric aerosols over the East Asia region during warm seasons in recent 20 a and beyond as well as their possible interactive relationship with a variety of meteorological elements, it is found that the high-value zone of aerosol optical depth derived from the Total Ozone Mapping Spectrometer (TOMS), its significant negative correlation zones in terms of sunshine duration (SD) and surface air temperature (SAT) and its significant positive correlation zones with low-level cloud amount (LCC) are co-located in the South China region during warm periods. Based on this finding, the region is referred to as a “significant impact zone” (SI zone) affected by aerosols. Then, a comparative analysis is made on variation differences of observed SAT, SD and LCC, etc. in different regions. It is also found that the LCC is increased and the SD is decreased within the “SI zone” over eastern China during the warm season. These characteristics are more evident than those beyond the zone, while the warming trend within the zone is evidently weaker than that outside it. Studies show that since recent 20 a, under the influence of aerosols, the LCC tend to increase substantially with a clear decrease of SD and an unnoticeable warming trend within the “SI zone”. Comparing with the climate change beyond the zone, the difference is significant. Therefore, the effects of atmospheric aerosols on climate is possibly one of the contributions to the difference of climate change existed between the southern and northern parts of the Eastern China during a warm season.
Starting Page	730
Ending Page	739
Page Count	10
File Format	PDF
ISSN	10069313
Journal	Science in China Series D: Earth Sciences
Volume Number	51
Issue Number	5
e-ISSN	18622801
Language	English
Publisher	SP Science in China Press
Publisher Date	2008-09-30
Publisher Place	Heidelberg
Access Restriction	Subscribed
Subject Keyword	warm season significant impact zone of aerosols climate change Geosciences
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences

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