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Atmosphere 2019, 10(2), 83; https://doi.org/10.3390/atmos10020083

Time-Scaling Properties of Sunshine Duration Based on Detrended Fluctuation Analysis over China

1
,
2,3
and
4,5,*
1
School of Marine Sciences, Nanjing University of Information Science and Technology, Nanjing 210044, China
2
Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
3
Unit 31010, The People’s Liberation Army, Beijing 100081, China
4
State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
5
The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi 214122, China
*
Author to whom correspondence should be addressed.
Received: 11 January 2019 / Revised: 1 February 2019 / Accepted: 3 February 2019 / Published: 18 February 2019
(This article belongs to the Section Climatology and Meteorology)
Full-Text   |   PDF [2433 KB, uploaded 18 February 2019]   |  

Abstract

The spatial and temporal variabilities of the daily Sunshine Duration (SSD) time series from the Chinese Meteorological Administration during the 1954–2009 period are examined by the Detrended Fluctuation Analysis (DFA) method. As a whole, weak long-range correlations (LRCs) are found in the daily SSD anomaly records over China. LRCs are also verified by shuffling the SSD records. The proportion of the stations with LRCs accounts for about 97% of the total. Many factors affect the scaling properties of the daily SSD records such as sea-land difference and Tibetan Plateau landform and so on. We find land use and land cover as one of the important factors closely links to LRCs of the SSD. Strong LRCs of the SSD mainly happen in underlying surface of deserts and crops, while weak LRCs occur in forest and grassland. Further studies of scaling behaviors are still necessary to be performed due to the complex underlying surface and climate system. View Full-Text
Keywords: sunshine duration; long range correlations; detrended fluctuation analysis; scaling properties sunshine duration; long range correlations; detrended fluctuation analysis; scaling properties
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Jiang, L.; Zhang, J.; Fang, Y. Time-Scaling Properties of Sunshine Duration Based on Detrended Fluctuation Analysis over China. Atmosphere 2019, 10, 83.

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