Abstract
Abstract. The aim of our research was to reconstruct climatic parameters (for the first time for the Sikhote-Alin mountain range) and to compare them with global climate fluctuations. As a result, we have found that one of the most important limiting factors for the study area is the minimum temperatures of the previous autumn–winter season (August–December), and this finding perfectly conforms to that in other territories. We reconstructed the previous August–December minimum temperature for 485 years, from 1529 to 2014. We found 12 cold periods (1535–1540, 1550–1555, 1643–1649, 1659–1667, 1675–1689, 1722–1735, 1791–1803, 1807–1818, 1822–1827, 1836–1852, 1868–1887, 1911–1925) and seven warm periods (1560–1585, 1600–1610, 1614–1618, 1738–1743, 1756–1759, 1776–1781, 1944–2014). These periods correlate well with reconstructed data for the Northern Hemisphere and the neighboring territories of China and Japan. Our reconstruction has 3-, 9-, 20-, and 200-year periods, which may be in line with high-frequency fluctuations in El Niño–Southern Oscillation (ENSO), the short-term solar cycle, Pacific Decadal Oscillation (PDO) fluctuations, and the 200-year solar activity cycle, respectively. We suppose that the temperature of the North Pacific, expressed by the PDO may make a major contribution to regional climate variations. We also assume that the regional climatic response to solar activity becomes apparent in the temperature changes in the northern part of Pacific Ocean and corresponds to cold periods during the solar minimum. These comparisons show that our climatic reconstruction based on tree ring chronology for this area may potentially provide a proxy record for long-term, large-scale past temperature patterns for northeastern Asia. The reconstruction reflects the global traits and local variations in the climatic processes of the southern territory of the Russian Far East for more than the past 450 years.
Highlights
Global climate change is the main challenge for human life and natural systems, which is why we should clearly understand climatic changes and their mechanisms
To reveal the correlation between climatic parameters and radial growth change of P. koraiensis, we had three data sets: the first time series had a length of 68 years (1936–2004, Chuguevka), the second had a length of 34 years (1966–2000, MP7), and the third had a length of 33 years (1971–2003, Chuguevka, minimum temperature)
Using the tree ring width of Pinus koraiensis, the mean minimum temperature of the previous August–December has been reconstructed for the southern part of the SikhoteAlin Mountains, northeastern Asia, and Russia, for the past 486 years
Summary
Global climate change is the main challenge for human life and natural systems, which is why we should clearly understand climatic changes and their mechanisms. Instrumental climate observations rarely cover more than a 100-year period and are often restricted to 50–70 years. This restriction forces the researchers to continuously find new ways and methods to reconstruct climatic fluctuations. A great number of studies have focused on climatic change reconstruction for the northeastern parts of China based on P. koraiensis radial growth studies (e.g., Zhu et al, 2009; Wang et al, 2013, 2016; Zhu et al, 2015; Lyu et al, 2016). There are very few studies of Russian Far Eastern climate (e.g., Willes et al, 2014; Jacoby et al, 2004; Shan et al, 2015); Published by Copernicus Publications on behalf of the European Geosciences Union
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