Multiscale characteristics of the early spring temperature and response to climate indices over the past 179 years in the Qinling Mountains
Chenhua Zhang (1-2), Jiachuan Wang (1-2), Shuheng Li (1-2), Li Hou (1-2)
iForest - Biogeosciences and Forestry, Volume 15, Issue 6, Pages 491-499 (2022)
doi: https://doi.org/10.3832/ifor4069-015
Published: Dec 01, 2022 - Copyright © 2022 SISEF
Research Articles
Abstract
Examination of the periodic differences in temperature in the Qinling Mountains at different time scales is highly important in research on the long-term evolution of the regional climate system and ecological environment. Based on February-April temperature data from 1835 to 2013 obtained at 27 weather stations in the Qinling Mountains reconstructed through tree rings, the multiscale characteristics of the early spring temperature time series on the southern and northern slopes of the Qinling Mountains and the response to climate signals were analyzed. The results indicate that the early spring temperature in the Qinling Mountains exhibits significant periodic characteristics on multiple time scales. Reconstruction at the different time scales reveals that the interannual scale change in the temperature variation on the northern slope of the Qinling Mountains plays a decisive role. The temperature on the northern slope exhibits a higher amplitude at the interannual and interdecadal scales than does that on the southern slope, and temporal differences occur at the quasi-century scale. The temperature achieves the strongest correlation with the original Atlantic Multidecadal Oscillation (AMO) sequence during the entire study period. In addition, the different time scales reveal that a significant response relationship exists between the temperature at the interannual scale and the May sea temperature in the NINO3.4 area, which lags by one year. At the different time scales and various time ranges, the Qinling early spring temperature responds differently to the climate signals, which is an important factor leading to a lower correlation during the entire study period.
Keywords
Temperature, Ensemble Empirical Mode Decomposition, Time Scale, Qinling Mountains
Authors’ Info
Authors’ address
Jiachuan Wang 0000-0002-5260-3132
Shuheng Li
Li Hou
College of Urban and Environmental Sciences, Northwest University, Xi’an 710127 (China)
Jiachuan Wang 0000-0002-5260-3132
Shuheng Li
Li Hou
Shaanxi Key Laboratory of Earth Surface System and Environmental Carrying Capacity, Northwest University, Xi’an 710127 (China)
Corresponding author
Paper Info
Citation
Zhang C, Wang J, Li S, Hou L (2022). Multiscale characteristics of the early spring temperature and response to climate indices over the past 179 years in the Qinling Mountains. iForest 15: 491-499. - doi: 10.3832/ifor4069-015
Academic Editor
Roberto Tognetti
Paper history
Received: Jan 20, 2022
Accepted: Sep 22, 2022
First online: Dec 01, 2022
Publication Date: Dec 31, 2022
Publication Time: 2.33 months
Copyright Information
© SISEF - The Italian Society of Silviculture and Forest Ecology 2022
Open Access
This article is distributed under the terms of the Creative Commons Attribution-Non Commercial 4.0 International (https://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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