Shiyang River streamflow since AD 1765, reconstructed by tree rings, contains far‐reaching hydro‐climatic signals over and beyond the mid‐latitude Asian continent

Chen, Feng; Yuan, Yanbin; Zhang, Rui‐bo; Wang, Huiqin; Shang, Huaming; Zhang, Tong‐wen; Qin, Li; Zhai, Fan

doi:10.1002/hyp.10788

Cited by 5 publications

(1 citation statement)

References 40 publications

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“…The impact of rising temperature on regional tree growth and runoff changes is worthy of our attention. Pinus tabulaeformis in the north–south transitional zone of China has decreased significantly since the 1990s, and some runoff reconstructions indicate recent low runoff conditions (Fang et al, 2010; Chen et al, 2016; Liu et al, 2019). Although the precipitation in this area is relatively abundant, whether this aridity trend has an effect on larger‐scale runoff is worth further discussion.…”

Section: Discussionmentioning

confidence: 99%

Runoff reconstruction for the Bailong River from tree rings back to AD 1601, reveals changing hydrological signals of China north–south transition zone

Gao

Chen

Fang

2021

Hydrological Processes

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We present a runoff reconstruction for the Bailong River based on the composite chronology developed from four sampling sites of Pinus tabulaeformis in the China north–south transition zone. The runoff reconstruction, spanning 1601–2013 CE, was developed by calibrating tree‐ring data with the instrumental runoff record. Runoff reconstruction accounted for 44.3% of the actual runoff variance during the common period 1958–2010 and provided a long‐term perspective on hydrological change in the China north–south transition zone. In the past 413 years, high‐ and low‐runoff years accounted for 15.50% and 15.98%, respectively. Of all the 17 extreme hydrological events, 14 of them are extremely high‐flow years, and 17th century was the wettest period during the past 413 years. The preliminary analysis results show that there is a relationship between our runoff reconstruction and the Atlantic multidecadal oscillation at multidecadal scale. Since the 1990s, runoff in the China north–south transition zone has also seen a significant decrease as a result of dry trends of the source region.

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Section: Discussionmentioning

confidence: 99%

Runoff reconstruction for the Bailong River from tree rings back to AD 1601, reveals changing hydrological signals of China north–south transition zone

Gao

Chen

Fang

2021

Hydrological Processes

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500-year tree-ring reconstruction of Salween River streamflow related to the history of water supply in Southeast Asia

et al. 2019

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Tree-ring-based reconstruction of streamflow for the Zaqu River in the Lancang River source region, China, over the past 419 years

Xiao

Shao

Qin³

et al. 2016

Int J Biometeorol

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Tree-ring width standard chronologies were created from juniperus przewalskii Kom data collected in the Lancang River Headwaters region. Statistical analysis results showed high correlation (r = 0.69) between the composite tree-ring chronology and instrumental streamflow records at the Xiangda Hydrological Station during the annual September-August interval. Streamflow of the Zaqu River in the Lancang river source region was reconstructed for the past 419 years. The model was stable and revealed 14 extremely dry years and 6 extremely wet years. The results showed relatively low streamflow periods occurred during 602-1614, 1633-1656, 1684-1697, 1712-1722, 1735-1753, 1817-1829, 1847-1861, 1874-1884, 1946-1959, 1961-1977, and 1990-2000. Relatively high streamflow periods occurred during 1615-1630, 1657-1678, 1698-1711, 1754-1783, 1803-1813, 1830-1840, 1862-1873, 1892-1909, and 1932-1945. Comparison with tree-ring based streamflow reconstructions and chronologies from surrounding areas provided a high degree of confidence in our reconstruction. The empirical mode decomposition analysis suggests the existence of significant periods with intervals of 2-4, 5-9, 11-16, and 26-50 years. Regional comparison indicated that our reconstruction was associated with large-scale atmospheric-oceanic variability, such as the El Niño-Southern Oscillation (ENSO), Atlantic Multidecadal Oscillation (AMO) index, Pacific Decadal Oscillation (PDO) index, and East Asian monsoon variation. This research provides a useful foundation for water resource planning and management guidance in the Three-River Headwaters Region.

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Shiyang River streamflow since AD 1765, reconstructed by tree rings, contains far‐reaching hydro‐climatic signals over and beyond the mid‐latitude Asian continent

Cited by 5 publications

References 40 publications

Runoff reconstruction for the Bailong River from tree rings back to AD 1601, reveals changing hydrological signals of China north–south transition zone

Runoff reconstruction for the Bailong River from tree rings back to AD 1601, reveals changing hydrological signals of China north–south transition zone

500-year tree-ring reconstruction of Salween River streamflow related to the history of water supply in Southeast Asia

Tree-ring-based reconstruction of streamflow for the Zaqu River in the Lancang River source region, China, over the past 419 years

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