Tree-ring hydrologic reconstructions for the Heihe River watershed, western China since AD 1430

Liu, Yu; Sun, Junying; Song, Huiming; Cai, Qiufang; Bao, Guang; Li, Xuxiang

doi:10.1016/j.watres.2010.02.013

Cited by 120 publications

(64 citation statements)

References 35 publications

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“…The 80 a cycle was close to the 70 a periodicity [14] of the thermohaline circulation of the North Atlantic Ocean, and the quasi-2 a periodicities were relatively similar to those of the Tropospheric biennial oscillation [38]. Together, this indicated that there were some teleconnections between the precipitation variations in Kalaqin and those in climate at a larger spatial scale.…”

Section: Comparison With Precipitation Series Of the Chifengweichang supporting

confidence: 57%

“…Temperatures for the last 2500 years [6][7][8][9][10] and precipitation for the last 2300 years [11][12][13] have been reconstructed for the Tibetan Plateau. Runoff series for several watersheds were also reconstructed using tree rings [14,15]. These achievements helped researchers to understand the past climatic variations in China in the context of global climate change.…”

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confidence: 99%

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Tree-ring-based annual precipitation reconstruction in Kalaqin, Inner Mongolia for the last 238 years

et al. 2011

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A tree-ring-width chronology of Pinus tabulaeformis from Kalaqin, Inner Mongolia was developed using modern dendrochronological techniques. Based on the results of correlation function analysis, the total precipitation from the previous August to current July was reconstructed for 1771-2008 AD with an explained variance of 49.3%. The reconstruction correlated well with the dryness/wetness series derived from historical documents, as well as the precipitation reconstruction of the Chifeng-Weichang region. There were eight intervals with greater precipitation than the average (associated with the strong East Asian summer monsoon) and seven intervals lower than the average (weak monsoon). A power spectrum analysis showed that there were 120 a, 80 a, 8 a and 2 a periodicities.

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Section: Comparison With Precipitation Series Of the Chifengweichang supporting

confidence: 57%

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confidence: 99%

Tree-ring-based annual precipitation reconstruction in Kalaqin, Inner Mongolia for the last 238 years

et al. 2011

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“…The period of low flow observed in Hankou, Hubei Province, reflected the effects of the severe drought of the 1920s on the middle and upper reaches of the Yangtze River [38]. Previous tree-ring-based hydrological reconstructions, such as those conducted for the middle reaches of the Heihe River [9], the upper reaches of the Yellow River [6] and the Fenhe River [7], also captured the severe drought of the 1920s.…”

Section: Extreme Eventsmentioning

confidence: 98%

“…Similar responses are shown by the relationship between the annual runoff of the Yimin River and maximum temperature and seasonal/annual precipitation, as well as by the relationship between the regional tree-ring width chronology and these climatic factors (Table 2). For instance, the correlation coefficients associated with the April-September mean maximum temperature (T 4-9(max) ), the seasonal precipitation for April-September (P [4][5][6][7][8][9] ) and the annual precipitation from the previous August to the current July (P 8-7 ) were -0.406, 0.64 and 0.669, respectively, for the annual runoff of the Yimin River and -0.465, 0.381 and 0.619, respectively, for the RC. The similar correlation coefficients associated with P 4-9 (0.64) and calendar-year annual precipitation (P ann ) (0.674) for the annual runoff of the Yimin River indicated that the Yimin River annual runoff was dominated by the summer rainfall (one-half of the year) [28].…”

Section: Climate-growth Responsementioning

confidence: 99%

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A tree-ring-based reconstruction of the Yimin River annual runoff in the Hulun Buir region, Inner Mongolia, for the past 135 years

Bao

Liu

2012

Chin. Sci. Bull.

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Based on the relationships between the regional tree-ring chronology (RC) of moisture-sensitive Pinus sylvestris var. mongolica and the monthly mean maximum temperature, annual precipitation and annual runoff, a reconstruction of the runoff of the Yimin River was performed for the period 1868-2002. The model was stable and could explain 52.2% of the variance for the calibration period of . During the past 135 years, 21 extremely dry years and 19 extremely wet years occurred. These years represented 15.6% and 14.1% of the total study period, respectively. Six severe drought events lasting two years or more occurred in

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Imprint of long-term solar signal in groundwater recharge fluctuation rates from Northwest China

Tiwari

Rekapalli

2014

Geophys. Res. Lett.

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Multiple spectral and statistical analyses of a 700 yearlong temporal record of groundwater recharge from the dry lands, Badain Jaran Desert (Inner Mongolia) of Northwest China reveal a stationary harmonic cycle at 200 ± 20 year. Interestingly, the underlying periodicity in groundwater recharge fluctuations is similar to those of solar-induced climate cycle "Suess wiggles" and appears to be coherent with phases of the climate fluctuations and solar cycles. Matching periodicity of groundwater recharge rates and solar and climate cycles renders a strong impression that solar-induced climate signals may act as a critical amplifier for driving the underlying hydrographic cycle through the common coupling of long-term Sun-climate groundwater linkages. IntroductionA spatiotemporal variation of groundwater recharge is emerging as one of the useful archives of past climate and hydrological changes [Edmunds et al., 2004]. Many geophysical parameters, such as climate changes deduced from various sources especially lake sediments [Gasse, 2000], speleotherm [Bar-Matthews et al., 1997], ice core, tree rings, and environmental changes (temperature, precipitation, and evapotranspiration), are intimately linked to the groundwater recharge. Evidence exist of dramatic climate changes affecting water availability [Lambert and Millard, 1969], and therefore, it is challenging for researchers to link geohydrological records to growing body of climate data and related exogenic and endogenic forcing parameters. Finding trend and cyclic pattern in groundwater fluctuations is, therefore, crucial for constraining the model of groundwater recharge cycles and issues related to the climate and environmental changes. Here we examine a long-term groundwater recharge record using the multiple spectral and statistical techniques to (i) identify long-term cyclic pattern and (ii) discuss its possible coupling with solar-induced climate cycle. Singular spectral analysis (SSA) is the most suitable time series analysis tool to identify the unknown or partially known dynamics of the underlying systems that generated the series [Vautard and Ghil, 1989;Ghil et al., 2002]. It is popular for trend extraction [Alexandrov, 2009], principal component analysis [Serita et al., 2005], and signal extraction from noise [Varadi et al., 1999] of different types of atmospheric and geophysical signals. SSA allows us to identify the principal processes and their contribution through the eigenvalue estimates, which, in turn, provide the order of major periodic component driving the groundwater recharge cycle. Groundwater Recharge Rates RecordGroundwater recharge time series analysed adopted here is based on densely sampled data , which posses enough homogeneity and completeness. Accordingly, the 700 yearlong groundwater TIWARI AND RAJESH

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Tree-ring hydrologic reconstructions for the Heihe River watershed, western China since AD 1430

Cited by 120 publications

References 35 publications

Tree-ring-based annual precipitation reconstruction in Kalaqin, Inner Mongolia for the last 238 years

Tree-ring-based annual precipitation reconstruction in Kalaqin, Inner Mongolia for the last 238 years

A tree-ring-based reconstruction of the Yimin River annual runoff in the Hulun Buir region, Inner Mongolia, for the past 135 years

Imprint of long-term solar signal in groundwater recharge fluctuation rates from Northwest China

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