Tree-rings, a key ecological indicator of environment and climate change

Zhong, Zhihua

doi:10.1016/j.ecolind.2014.07.042

Cited by 65 publications

(23 citation statements)

References 80 publications

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“…However, meteorological stations were not installed in this area until the 1950s, which limits the analysis of long-term climate trends. Thus, tree rings can help to explain past climate and its mechanisms, and thereby assist with the prediction of future trends (Zhang 2015). Fortunately, there is a substantial Schrenk spruce forest in the Wusun Mountains between 1600 and 2800 m a.s.l.…”

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confidence: 99%

“…Due to their wide spatial distribution, annual resolution, calendar-exact dating and climate sensitivity, tree rings play an important role in reconstructing past environmental and climatic changes over the past millennium on regional, hemispheric and even global scales. Thus, tree rings can help to explain past climate and its mechanisms, and thereby assist with the prediction of future trends (Zhang 2015). The Palmer Drought Severity Index (PDSI) is a useful metric for assessing the severity of drought conditions (Palmer 1965).…”

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confidence: 99%

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Past changes of spring drought in the inner Tianshan Mountains, China, as recorded by tree rings

Zhang

Yuan

et al. 2017

Boreas

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Drought is a common natural disaster in arid Central Asia, and the severity and frequency of drought and other hydroclimatic events are critical to the region's ecology and its residents' livelihoods. In particular, water resource management requires reliable knowledge of climatic variability and annual and centennial drought patterns. In this paper, we establish a 587-year tree ring chronology using 215 Schrenk spruce (Picea schrenkiana Fisch. et Mey) samples and reconstruct a spring Palmer Drought Severity Index (PDSI) for the inner Tianshan Mountains spanning the 1645-2008 period. The reconstruction explains 40.3% of the variance during the sub-period for which we also have reliable observational data . Cross-validation during this common period also supports our reconstruction model. Spatial correlation analyses with gridded PDSI data show that our PDSI reconstruction reveals a strong regional drought signal for the central and western Tianshan Mountains.

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confidence: 99%

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confidence: 99%

Past changes of spring drought in the inner Tianshan Mountains, China, as recorded by tree rings

Zhang

Yuan

et al. 2017

Boreas

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“…A "skeleton diagram method" [26] was used to perform primary cross-dating on the cores after they were dried, fixed, and polished. Cross-dating permits the reliable identification of missing or partially missing rings and "false rings" [27]. The tree rings of each core were dated, and each tree ring assigned to its exact year of formation.…”

Section: Treatment Of the Samplesmentioning

confidence: 99%

The Response of Chinese Fir Forest Tree Ring Growth to Climate Change in China’s Dagangshan Region

Liu¹,

Gao²,

Panwei³

et al. 2019

Pol. J. Environ. Stud.

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Chinese fir (Cunninghamia lanceolata (Lamb) Hook.) in the Dagangshan region of Jiangxi Province in southern China was selected to explore the impact of climatic factors on tree ring width growth. Results showed that the signal-to-noise ratio (SNR) and mean sensitivity (MS) were large while the first order autocorrelation coefficient (FOAC) was small, and the chronology contains abundant climatic information. The tree ring width index of Chinese fir was significantly positively correlated with the precipitation in December of the previous year and June of the current year, and significantly negatively correlated with that in the current May and August. The tree ring width index was significantly positively correlated with the temperature in April and May of the current year, but significantly negatively correlated with that in July of the current year. The tree ring width index had a good change consistency with the warmth index (W i ) and humidity index (H i ). The response function of Chinese fir ring width analysis shows that the warmth index is the main factor affecting tree ring growth, followed by the humidity index, mean annual precipitation, and mean annual temperature. The comprehensive effect of temperature and precipitation factors have significant influence on the tree ring width growth of Chinese fir. Results can provide a scientific basis for studying the effect of climatic factors on tree growth in sub-tropical regions in China and many other parts of the world.

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“…The analysis and simulation of the climate-indicator dynamics were carried out using modules controlled energy for pedogenesis was evaluated using a trend approach for smoothing time series. The smoothing was performed in the statistically normalised sequences using the formula: Tree-ring widths have considerable potential for reconstructing past climate and precipitation regimes at a specific site (Fritts 1976;Michaelsen et al, 1987;Zhang, 2015). The examination of tree-ring widths (R) of Juniperus excelsa from Yalta for the years 1844-1994 (Lovelius and Grican, 1998) To comprehend the conditions of pedogenesis on the SCC and to help interpret climatic and 279 hydrological events, the reconstructed 161-year long climatic series was compared with pollen 280 diagrams from Lake Saki (Gerasimenko and Subetto, 2007).…”

Section: Figurementioning

confidence: 99%

Late-Holocene palaeoenvironments of Southern Crimea: Soils, soil-climate relationship and human impact

2017

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Occupying 4% of Crimea’s territory, the sub-Mediterranean landscapes of Southern Crimea stand out for their distinct soil-climatic conditions and record of human activity. This paper presents the results of study of the newly formed and well-dated soils from 21 archaeological sites, making it possible to build a soil chronosequence covering the last 2.3 ka. To study the natural processes on an intra-secular scale, short series of instrumental meteorological observations were extended, based on dendrochronological records, to a total of 160 years, and the time series of solar activity and energy for pedogenesis were correlated. These data are collated with a 4.2-ka Lake Saki varve record, which was re-analysed applying the DFT spectrum analysis method, with three distinct phases in relative secular variations in precipitation being identified. The phase of a relative climatic stability with moderate variations in precipitation (3.2–1.25 ka BP) was followed by the period of increased moisture (from 1.25 ka BP), unparalleled since the Late Bronze Age. Given the decisive role of increased moisture in the climate-controlled energy expenditures for pedogenesis, in the dynamics of vegetation cover and human ways of life, the identification of these periods contributes to a better understanding of soil–climate relationship and cause-and-effect for nonlinear change in the settlement and landscape history of the region.

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Tree-rings, a key ecological indicator of environment and climate change

Cited by 65 publications

References 80 publications

Past changes of spring drought in the inner Tianshan Mountains, China, as recorded by tree rings

Past changes of spring drought in the inner Tianshan Mountains, China, as recorded by tree rings

The Response of Chinese Fir Forest Tree Ring Growth to Climate Change in China’s Dagangshan Region

Late-Holocene palaeoenvironments of Southern Crimea: Soils, soil-climate relationship and human impact

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