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

Li Qin
Li Qin
, 
Yujiang Yuan
Yujiang Yuan
, 
Ruibo Zhang
Ruibo Zhang
, 
Wenshou Wei
Wenshou Wei
, 
Shulong Yu
Shulong Yu
, 
Ziang Fan
Ziang Fan
, 
Feng Chen
Feng Chen
, 
Tongwen Zhang
Tongwen Zhang
 and 
Huaming Shang
Huaming Shang
   | Feb 18, 2016
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Article Category: Research Article
Published Online: Feb 18, 2016
Page range: 9 - 17
Received: Aug 25, 2015
Accepted: Dec 01, 2015
DOI: https://doi.org/10.1515/geochr-2015-0026
Keywords
© 2016 L. Qin
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Locations of tree-ring sampling sites and meteorological station.
Locations of tree-ring sampling sites and meteorological station.

Tree-ring width chronologies and sample depth from five sample sites in northern Tianshan Mountains.
Tree-ring width chronologies and sample depth from five sample sites in northern Tianshan Mountains.

Monthly snow cover variability of Wenquan meteorological station.
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.
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.
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.
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
eISSN:
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Language:
English
Publication timeframe:
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Journal Subjects:
Geosciences, other
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