Climate Dynamics

, Volume 45, Issue 7–8, pp 2069–2081

Spring temperatures in the far-western Nepal Himalaya since AD 1640 reconstructed from Picea smithiana tree-ring widths

  • Udya Kuwar Thapa
  • Santosh K. Shah
  • Narayan Prasad Gaire
  • Dinesh Raj Bhuju
Article

DOI: 10.1007/s00382-014-2457-1

Cite this article as:
Thapa, U.K., Shah, S.K., Gaire, N.P. et al. Clim Dyn (2015) 45: 2069. doi:10.1007/s00382-014-2457-1

Abstract

We developed a new, 422-year long tree-ring width chronology (spanning AD 1591–2012) from Picea smithiana (Wall.) Boiss in Khaptad National Park, which is located in the far-western Nepalese Himalaya. Seasonal correlation analysis revealed significant indirect relationship with spring temperature and lead to the reconstruction of March–May average temperature for the past 373 years (AD 1640–2012). The reconstruction was found significant based on validation statistics commonly used in tree-ring based climate reconstruction. Furthermore, it was validated through spatial correlation with gridded temperature data. This temperature reconstruction identified several periods of warming and cooling. The reconstruction did not show the significant pattern of cooling during the Little Ice Age but there were few cold episodes recorded. The spring temperature revealed relationship with different Sea Surface Temperature index over the equatorial Pacific Ocean, which showed linkages with climatic variability in a global scale.

Keywords

Khaptad National Park Nepal Picea smithiana Spring temperature Tree-rings 

Supplementary material

382_2014_2457_MOESM1_ESM.pdf (752 kb)
Supplementary material 1 (PDF 752 kb)

Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Udya Kuwar Thapa
    • 1
    • 2
  • Santosh K. Shah
    • 3
  • Narayan Prasad Gaire
    • 4
    • 5
  • Dinesh Raj Bhuju
    • 5
  1. 1.Department of Environmental ScienceGoldenGate International CollegeKathmanduNepal
  2. 2.Department of Geography, Environment and SocietyUniversity of MinnesotaMinneapolisUSA
  3. 3.Birbal Sahni Institute of PalaeobotanyLucknowIndia
  4. 4.Nepal Academy of Science and TechnologyLalitpurNepal
  5. 5.Central Department of Environmental ScienceTribhuvan UniversityKirtipur, KathmanduNepal

Personalised recommendations