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Tree-Ring Response to Snow Cover and Reconstruction of Century annual Maximum Snow Depth for Northern Tianshan Mountains, China Cover

Tree-Ring Response to Snow Cover and Reconstruction of Century annual Maximum Snow Depth for Northern Tianshan Mountains, China

Open Access
|Feb 2016

Figures & Tables

Locations of tree-ring sampling sites and meteorological station.
Tree-ring width chronologies and sample depth from five sample sites in northern Tianshan Mountains.
Monthly snow cover variability of Wenquan meteorological station.
Reconstructed annual maximum snow depth in northern Tianshan Mountains (1809/10–2003/04 is shown in black. The 20-year low-pass filter of reconstructed is shown in blue. Observed maximum snow depth is shown in red line and the long-term reconstructed mean is shown by the dashed line.
Decade change of maximum snow depth in northern Tianshan Mountains.
Multi-Taper Power spectra for the reconstructed annual maximum snow depth (AD 1800–2010). Peaks above the blue line indicate significance at the 95% level of confidence and Peaks above the red line indicate significance at the 99% level of confidence.

Location information and basic chronology statisticsThe details of site locations are shown in Fig 1__

Sampling sitesSiteLocation (°N, °E)Elevation (m asl)Trees/Cores/Available coresChronology Interval SSS>0.85MSSDAR1
BayinamenBYA44°25′, 83°05′189830/60/581805–20100.3060.3350.401
Mirqik ValleyMEK45°14′, 81°26′242426/52/521772–20100.1050.1470.571
Tuerhong ValleyTEG44°46′, 81°00′207027/54/451657–20100.3790.3910.408
KekesayKKS44°44′, 81°05′238927/52/491647–20100.1510.2460.740
JipukeJPK44°06′, 82°55′242228/69/641492–20040.2410.2430.329

Pearson Correlation between tree-ring chronologies and snow cover parameters_

BYAMEKTEGKKSJPK
Maximum snow depth (1958/59–2009/10)0.339

— indicate significance at the 99% level of confidence.

0.404

— indicate significance at the 95% level of confidence.

0.387

— indicate significance at the 95% level of confidence.

0.2600.390

— indicate significance at the 95% level of confidence.

Maximum snow pressure (1986/87–2009/10)0.2980.443

— indicate significance at the 99% level of confidence.

0.602

— indicate significance at the 95% level of confidence.

0.2980.242
Duration of ≥1 cm depth (1958/59–2009/10)0.2050.2460.293

— indicate significance at the 99% level of confidence.

0.1350.349

— indicate significance at the 99% level of confidence.

Duration of ≥10 cm depth (1958/59–2009/10)0.295

— indicate significance at the 99% level of confidence.

0.433

— indicate significance at the 95% level of confidence.

0.308

— indicate significance at the 99% level of confidence.

0.2460.314

— indicate significance at the 99% level of confidence.

Precipitation in winter (1958/59–2009/10)0.392

— indicate significance at the 95% level of confidence.

0.345

— indicate significance at the 99% level of confidence.

0.0750.375

— indicate significance at the 99% level of confidence.

0.276

Statistical crossing-test characters of the equations reconstructed_

rrdzzdtRE
Maximum snow depth0.577

— indicate significance at the 99% level of confidence.

0.408

— indicate significance at the 99% level of confidence.

10/46

— indicate significance at the 99% level of confidence.

14/45

— indicate significance at the 95% level of confidence.

7.559

indicate significance at the 99% level of confidence.

0.316
Language: English
Page range: 9 - 17
Submitted on: Aug 25, 2015
|
Accepted on: Dec 1, 2015
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Published on: Feb 18, 2016
Published by: Sciendo
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year

© 2016 Li Qin, Yujiang Yuan, Ruibo Zhang, Wenshou Wei, Shulong Yu, Ziang Fan, Feng Chen, Tongwen Zhang, Huaming Shang, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.