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Liu Xiaohong

Author:  Date:August 23, 2026  ClickTimes:[]


   Prof. Liu Xiaohong 

   Tel: +86-29-18892093306

   E-mail:xhliu@snnu.edu.cn

Education and Work Experiences

Ph.D. – Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences (CAS) (1999–2003)

Postdoctoral Fellow – Institute of Geographic Sciences and Natural Resources Research, CAS (2003–2005)

Associate Professor – Cold and Arid Regions Environmental and Engineering Research Institute, CAS (2005–2010)

Visiting Scholar – University of Arizona, USA (2010–2011)

Professor – Cold and Arid Regions Environmental and Engineering Research Institute, CAS (2011–2016)

Professor – School of Geography and Tourism, Shaanxi Normal University (2017–present)

Research Interests

Tree-ring records and climate-environmental change

Forest health and biogeochemical cycling

Rewards and Honors:

2025 – Second-Class Natural Science Award, Gansu Province

2025 – Outstanding Doctoral Dissertation Advisor, Shaanxi Province

2022 – Outstanding Scientific and Technological Achievement Award, Chinese Academy Sciences

2021 – Special Prize for National Excellent Textbooks

2016 – High-Level Talent Introduction (Hundred Talents Program), Shaanxi Province

2015 – Outstanding Doctoral Dissertation Advisor, Chinese Academy Sciences

2014 – BHBP Mentor Research Award, Chinese Academy Sciences

Research Projects as Principal Investigator:

1. Key Project of NSFC – Current and future tree-growth changes based on the coupling of multiple tree ring proxies on the Loess Plateau (2024–2028)

2. General Program of NSFC – Spatial-temporal changes of tree-ring δ15N and its indication of nitrogen cycling of the Qilian Mountains (2020–2023)

3.Central University Innovation Team Project – Tree-ring stable isotopes and global change in western China (2018–2020)

4. National Basic Research Program (973 Program) – Tree-ring reconstruction of cryosphere elements (2013–2017)

5. General Program of NSFC – Seasonal climate signals in earlywood/latewood and intra-annual δ¹³C/δ¹⁸O in the summer monsoon marginal zone (2016–2019)

6. General Program of NSFC – Tree-ring isotope records of long-term water-use efficiency and water sources in the Heihe River Basin (2012–2015)

7. CAS Knowledge Innovation Program (Young Talent) – Climatic significance of stable C-O-H isotopes in tree rings from the Hengduan Mountains (2010–2012)

8. General Program of NSFC – Long-term C-O-H isotope series from Sabina przewalskii in the eastern Qaidam Basin (2009–2011)

9. National Major Research Program on Global Change – Dendroclimatology in typical Eurasian regions (2010–2014)

10. National Basic Research Program (973 Program) – Comparison of tree-ring climate records with glacial and environmental proxies in western China (2007–2011)

11. Young Scientists Fund of NSFC – Spatial variation of tree-ring carbon isotopes in Picea crassifolia in the Qilian Mountains (2005–2008)

Representative Achievements (including papers, patents, books, etc.):

(1) Mao Wei, Xiaohong Liu*, Yabo Wang, et al. 2026. Permafrost degradation lead the enhanced nitrogen contribution to tree growth: a tree-ring perspective. Journal of Forest Research, 37, 161, doi: 10.1007/s11676-026-02102-2.

(2) Zhanhan Li, Jiaqi Guo, Xiaohong Liu*, et al., 2026. Divergent Responses of Temperate Tree Species to Meteorological Factors Revealed by UAV Multispectral Vegetation Indices in the Qinling Mountains. Journal of Mountain Science, doi: 10.1007s11629-025-0256-2

(3) Yu Zhang, Xiaohong Liu*, Yixue Hong, et al., 2026. Basin Hydrothermal Modulation Decouples Lagged and Cumulative Drought Responses of Vegetation Physiology and Structure. Earth Systems and Environment, doi: 10.1007/s41748-026-01268-3

(4) Yu Xue, Xiaomin Zeng*, Xiaohong Liu et al., 2026. Novel GA-Based Calibration Method for MAIDENiso Ecophysiological Forest Model. Journal of Advances in Modeling Earth Systems, 18, e2025MS005627

(5) Huhu Kang, Miaoxin Ji, Xinyu Zhang, Xiaohong Liu, et al., 2026. Decadal mercury trends from Schrenk spruce (Picea schrenkiana) needles in the Middle Tianshan Mountains, Northwestern China: Evidence of declining industrial emissions and a rising regional background. Journal of Hazardous Materials 504, 141351

(6) Shun Wen, Xiaohong Liu*, JJ Camarero, et al., 2026. Nitrogen availability and iWUE differently drive broadleaf and conifer growth near an expanding city. Journal of Geophysical Research – Biogeoscience, 131, e2024JG008717

(7) Jia Wei, Jianwu Yan, Wei Liang Xiaohong Liu, et al., 2026. Photosynthetic activity drives seasonal canopy development and senescence rates on the Loess Plateau. International Journal of Remote Sensing, 47(4), 1947-1967

(8) Xiaoqi Chen, Xiaomin Zeng*, Xiaohong Liu, et al., 2026. Radial growth resilience of temperate deciduous oaks to drought events across aridity gradients in the southern Loess Plateau, China. Dendrochronologia, 95,126468

(9) Huiyue Yan, Xiaoming Zeng*, Xiaohong Liu, et al., 2026. Comparing ecological memory effects of the bimodal radial growth in the Qinling Mountains and Mediterranean forests. Forest Ecosystem, 15, 100402

(10) Qiulu Meng, Xiaohong Liu*, Xueya Zhang, et al., 2026. Divergent growth and hydraulic strategies of three tree species in response to climate variability on the greening Loess Plateau. Forest Ecology Management, 602, 123393

(11) Yiming Cao, Lingnan Zhang*, Yuhui Niu, Yiru Yang , Yan Liu, Guzhaliaiyi Aishan , Xiaohong Liu2025. Contrasting drought responses of three tree species with divergent wood anatomy and leaf hydraulic traits on the Loess Plateau of China. Forest Ecology and Management 595, 123033

(12) Lingnan Zhang, Yixue Hong, Yanjun Song, Xiaohong Liu* et al., 2025. Adaptive hydraulic strategies of Pinus tabuliformis to drought across moisture-level slopes in the central Qinling Mountains, China. Environmental and Experiment Botany 230, 106087

(13) Xinyu Zhang, Kang HH, Xiaohong Liu*, et al., 2025. Species-Specific Physiological Strategies of Atmospheric Mercury Accumulation in Temperate Forest Leaves. Environmental Science Technology 59, 2082-2094

(14) Yabo Wang, Xiaohong Liu*, Huijun Jin, et al., 2025. Climate-induced permafrost degradation exerts species-specific impacts on pine and larch growth in the Da Xing’anling Mountains, Northeast China. Agriculture Forest Meteorology 372, 110665.

(15) Kang HH, Xiaohong Liu*, Xinyu Zhang, et al., 2024. Important accumulated mercury pool in a remote alpine forest and dynamic accumulation revealed by tree rings in China’s Qilian Mountains. Science of Total Environment, 951, 175441.

(16) Yu Zhang, Xiaohong Liu*, Lixin Wang*, et al., 2024. Reductions in forest resilience: Unraveling the decoupling between gross primary productivity and photosynthetic efficiency. Geophysical Research Letters, 51, e2024GL110148, doi: 10.1029/2024GL110148.

(17) Qiangqiang Lu, Xiaohong Liu*, Xiaomin Zeng, et al., 2024. Hydroclimatic potential of the coupled δ2H from wood lignin methoxy across deciduous conifer and evergreen broadleaf species in alpine treeline. Global Planetary Change, 238, 104468.

(18) Lelong Yin, Xiaohong Liu*, Ziyi Wang, et al., 2024. Weakened linkage between timberline tree-ring growth and nitrogen availability under the rising CO2 and warming climate in Taibai Mountain, central China. Journal of Plant Ecology, 17, rtae001, https://doi.org/10.1093/jpe/rtae001.

(19) Liangju Zhao, Xiaohong Liu, Ninglian Wang, et al., 2024. The determining factors of hydrogen isotope offsets between plants and their source waters. New Phytologist, 241, 2009-2024, doi:10.1111/nph.19492

(20) Xinyu Zhang, Huhu Kang, Liangju Zhao, et al., Xiaohong Liu*, 2024. Climate and industrial pollution determine the seasonal and spatial mercury variations in the China's Weihe River. Science of Total Environment, 912, 168555.

(21) Xiaomin Zeng*, Ping Ni, Xiaohong Liu, et al., 2024. Decline in tree‑ring growth of Picea mongolica and its intra‑annual eco‑physiological responses to drought and CO2 enrichment in semi‑arid China. Journal of Forestry Research, 35, 66.

(22) Jiaqi Guo, Xiaohong Liu*, Wensen Ge, et al., 2024. Tracking photosynthetic phenology using spectral indices in temperate evergreen and deciduous trees. Agriculture Forest Meteorology, 344, 109809.

(23) Yao Li, Xiaomin Zeng, Xiaohong Liu*, et al., 2023. A seasonally varying tree physiological response to environmental conditions: results from semi-arid China. Journal of Geophysical Research Biogeoscience, 128, e2023JG007455.

(24) Ziyi Wang, Xiaohong Liu*, Josep Peñuelas, et al., 2023. Recent shift from dominant nitrogen to CO2 fertilization control on the growth of mature Qinghai spruce. Agriculture Forest Meteorology 343, 109779.

(25) Liangju Zhao, Xiying Dong, Xiaohong Liu et al., 2023. Extreme precipitation stable isotopic compositions reveal unexpected summer monsoon incursions in the Qilian Mountains. Science of Total Environment 900, 165743.

(26) Guoju Wu, Guobao Xu, Bo Wang, Xiaohong Liu, et al., 2023. Post-drought moisture condition determines tree growth recovery after extreme drought events in the Tianshan Mountains, northwestern China. Ecological Indicators 151, 110275

(27) Yu Zhang, Xiaohong Liu *, Wenzhe Jiao, et al., 2023. Spatial heterogeneity of vegetation resilience changes to different drought types. Earth’s Future, 11, e2022EF003108, doi: 10.1029/2022EF003108.

(28) Yixue Hong, Xiaohong Liu*, J. Julio Camarero, et al., 2023. The dynamic effects of intrinsic water-use efficiency and climate on wood anatomy against climate warming. International Journal of Biometeorology, 67, 1017-1030

(29) Yabo Wang, Xiaohong Liu*, Zhongqiong Zhang, et al., 2023. Permafrost degradation altered the environmental signals recorded in tree-ring lignin methoxy groups δ2H in northeastern China. Science of Total Environment, 860, 160519.

(30) Qiangqiang Lu, Xiaohong Liu*, Kerstin Treydte, et al., 2023. Altitude-specific differences in tree-ring δ2H records of wood lignin methoxy in the Qinling mountains, central China. Quaternary Science Reviews, 300, 107895.

(31) Xiaomin Zeng*, Michael N. Evans, Xiaohong LIU*, et al., 2022. Quantification of current and antecedent climatic drivers of conifer tree-ring growth across temperate China. Agriculture Forest Meteorology, 327, 109296.

(32) Ziyi Wang, Xiaohong Liu*, Keyi Wang, et al., 2022. Tree-ring δ15N of Qinghai spruce in middle Qilian Mountains during past 60 years-Unnecessary pre-treatment for wood δ15N measurement. Journal of Arid Land, 14(6), 673-690, doi.org/10.1007/s40333-022-0065-1

(33) Guobao Xu, Xiaohong Liu, Jia Hu, et al., 2022. Long-term intra-annual tree-ring δ18O and δ13C chronologies indicate trade-off between isotopic source and humidity variability in humid environments. Tree Physiology, 42, 2203-2223, 10.1093/treephys/tpac076

(34) Qiangqiang Lu, Xiaohong Liu*, Liangcheng Tan, et al., 2022. Tree-ring δ2H records of lignin methoxy indicate spring temperature changes since 20th century in the Qinling Mountains, China. Dendrochronologia, 76, 126020.

(35) Wensen Ge, Xiaohong Liu *, Xiaoqin Li, et al., 2022. Strongly Active Responses of Pinus tabuliformis Carr. and Sophora viciifolia Hance to CO2 Enrichment and Drought Revealed by Tree-Ring Isotopes on the Central China Loess Plateau. Forests, 13, 986, doi.org/10.3390/f13070986

(36) Huhu Kang, Xiaohong Liu*, Junming Guo, et al., 2022. Long-term environmental mercury trends in tree rings of the permafrost forest, northeastern China. Science of China, Earth Sciences, 65(7), 1328-1338, doi.10.1007/s11430-021-9886-1

(37) Yu Zhang, Xiaohong Liu*, Wenzhe Jiao, et al., 2022. A new multi-variable integrated framework for identifying flash drought in the Loess Plateau and Qinling Mountains regions of China. Agriculture Water Management, 265, 107544, doi: 10.1016/j.agwat.2022.107544.

(38) Wenchao Wang, Xiaomin Zeng*, Xiaohong Liu*, et al., 2022. Temporal evolution of the influence of atmospheric circulation on regional cloud cover as revealed by tree-ring δ18O in southwestern China. Global Planetary Change, 208,103690

(39) Jiaqi Guo, Xiaohong Liu*, Wensen Ge, et al., 2021. Specific Drivers and Responses to Land Surface Phenology of Different Vegetation Types in the Qinling Mountains, Central China. Remote Sensing, 13, 4538.

(40) Yu Zhang, Xiaohong Liu*, Wenzhe Jiao, et al., 2021. Drought monitoring based on a new combined remote sensing index across the transitional area between humid and arid regions in China. Atmospheric Research, 264, 105850.

(41) Yixue Hong, Lingnan Zhang*, Xiaohong Liu*, et al., 2021. Tree-ring xylem anatomy reflects the seasonal dynamics of hydraulic traits and their response to climate variations in the western Qinling Mountains, China. Dendrochronologia, 70, 125881, doi.org/10.1016/j.dendro.2021.125881.

(42) Xiaomin Zeng, Shiwen Sun, Youyu Wang, Yunxin Chang, Xiaoxiao Tao, Mingyue Hou, Wenchao Wang, Xiaohong Liu, Lingnan ZHANG. 2021. Does resin tapping affect tree-ring growth of Chinese pine (Pinus tabuliformis) and its climate sensitivity in the Loess Plateau, China? Dendrochronologia, 65, 125800

(43)Wenzhi Wang*, Nate G. McDowell, Xiaohong Liu*, Guobao Xu, Guoju Wu, Xiaomin Zeng, Genxu Wang, Dahe Qin. 2021. Contrasting growth responses of Qilian juniper (Sabina przewalskii) and Qinghai spruce (Picea crassifolia) to CO2 fertilization despite common water-use efficiency responses. Tree Physiology, 41, 992-1003, doi.org/10.1093/treephys/tpaa169.

(44) Guoju Wu, Xiaohong Liu*, Tuo Chen, Guobao Xu, Bo Wamg, Huhu Kang, Caijuan Li and Xiaomin Zeng. 2020. The positive contribution of iWUE to the resilience of Schrenk spruce (Picea schrenkiana) to extreme drought in the western Tianshan Mountains, China. Acta Physiologiae Plantarum 42, 168, doi: 10.1007/s11738-020-03158-1.

(45) Qiangqiang LU, Xiaohong LIU*, Tobias ANHÄUSER, et al., 2020. Tree-ring lignin proxies in Larix gmelinii forest growing in a permafrost area of northeastern China: temporal variation and potential for climate reconstructions. Ecological Indicators 118, 106750.

(46) Guobao Xu*, Xiaohong Liu*, Weizhen Sun,et al., 2020. Seasonal divergence between soil water availability and atmospheric moisture recorded in intra-annual tree-ring δ18O extremes. Environment Research Letters 15, 094036, https://doi.org/10.1088/1748-9326/ab9792.

(47) Liangju Zhao, Cong Xie, Xiaohong Liu, et al., 2020. Water sources of major plant species along a strong climatic gradient in the inland of Heihe River Basin. Plant and Soil 455:439–466

(48) Lingnan Zhang, Shuangshuang Li*, Yixue Hong, Xiaomin Zeng, Xiaohong Liu. 2020. Changes in the radial growth of Picea crassifolia and its driving factors in the mid-western Qilian Mountains, Northwest China since 1851 C.E. Dendrochronologia 61, 125707

(49) Keyi Wang, Xiaomin Zeng, Xiaohong Liu*, Matthew Lanning, Guoju Wu, Lixin Wang, Liangju Zhao, Guobao Xu, Yabo Wang, Lingnan Zhang, Xiaoqin Li, Qiangqiang Lu. 2020. Nitrogen rather than river streamflow regulates the riparian tree growth in lower reaches of the inland Heihe River. Chemical Geology 547, 119666

(50) Guobao Xu*, Guoju Wu, Xiaohong Liu, Tuo Chen, Bo Wang, Amy Hudson, Valerie Trouet. 2020. Age-related climate response of tree-ring δ13C and δ18O from spruce and potential relative humidity reconstruction in Northwestern China. Journal of Geophysics Research – Biogeoscience 124; e2019JG005513

(51) Yabo Wang, Xiaohong Liu*, Tobias Anhäuser, Qiangqiang Lu, Xiaomin Zeng, Qiuliang Zhang, Keyi Wang, Lingnan Zhang. 2020. Temperature signal recorded in δ2H and δ13C values of wood lignin methoxyl groups from a permafrost forest in northeastern China. Science of Total Environment 727, 138558

(52) Xiaomin Zeng*, Chunfei Wei, Xiaohong Liu*, Lingnan Zhang. 2020. Qinghai spruce (Picea crassifolia) and Chinese pine (Pinus tabuliformis) show high vulnerability and similar resilience to early-growing-season drought in the Helan Mountains, China, China. Ecological Indicators 110, 105871.(53) Lingnan Zhang, Hui Li, Yilin Ran, Keyi Wang, Xiaomin Zeng * and Xiaohong Liu. 2019. Regional and local moisture gradients drive the resistance to and recovery from drought of Picea crassifolia Kom. in the Qilian Mountains, Northwest China. Forests 10, 817; doi:10.3390/f10090817.

(54) Guobao Xu*, Xiaohong Liu, Jenson Zhang, Qiong Zhang, Amy Hudson, Valerie Trouet. 2019. Century‑scale temperature variability and onset of industrial‑era warming in the Eastern Tibetan Plateau. Climatic Dynamics 53, 4569-4590, doi.org/10.1007/s00382-019-04807-z.

(55) Xiaomin Zeng, Michael N. Evans, Xiaohong Liu*, Wenzhi Wand, Guobao Xu, Guoju Wu. 2019. Spatial patterns of precipitation-induced moisture availability and their effects on the divergence of conifer stem growth in the western and eastern parts of China’s semi-arid region. Forest Ecology Management 451,7524, doi.org/10.1016/j.foreco.2019.117524.

(56) Wenling An, Chenxi Xu, Xiaohong Liu, et al. 2019. Specific response of earlywood and latewood δ18O from the east and west of Mt. Qomolangma to the Indian summer monsoon. Science of Total Environment, 689, 99-108

(57) Huhu Kang, Xiaohong Liu*, Junming Guo, Bo Wang, Guobao Xu, Guoju Wu, Shichang Kang,Jie Huang. 2019. Characterization of mercury concentration from soils to needle and tree rings of Schrenk spruce (Picea schrenkiana) of the middle Tianshan Mountains, northwestern China. Ecological Indicators, 104, 24-31.

(58) Liangju Zhao*, Xiaohong Liu, Ninglian Wang, et al., 2019. Contribution of recycled moisture to local precipitation in China’s semi-arid the inland Heihe River Basin. Agricultural and Forest Meteorology, 271,316-335

(59) Wenzhi Wang, Xiaohong Liu*, Guobao Xu, et al., 2019. CO2 fertilization confounds tree ring records of regional hydroclimate. Earth and Space Science, 6, 730-740, DOI: 10.1029/2018EA000529.

(60) Xiaohong Liu*, Liangju Zhao, Steven Voelker, et al., 2019. Warming and CO2 enrichment modify the ecophysiological responses of Dahurian larch and Mongolia pine during the past century in the permafrost northeastern China. Tree Physiology, 39,88-103

(61) Guobao Xu, Xiaohong Liu*, Trouet V, Treydte K, et al., 2019. Regional drought shifts (1710-2010) in East Central Asia and linkages with atmospheric circulation recorded in tree-ring δ18O. Climatic Dynamics, 52, 713-727

(62) Wenling An, Xiaohong Liu*, Shugui Hou, Xiaomin Zeng, Weizhen Sun, Wenzhi Wang, Yu Wang, Guobao Xu, Jiawen Ren, 2019. Unstable relationships of tree ring δ18O and climate variables over southwestern China: possible impacts from increasing Central Pacific SSTs. Theoretical and Applied Climatology, 136, 391-402, doi: 10.1007/s00704-018-2483-8

(63) Huhu Kang, Xiaohong Liu*, Junming Guo, Guobao Xu, Guoju Wu, Xiaomin Zeng, Bo Wang, Shichang Kang. 2018. Increased mercury pollution revealed by tree rings from the China’s Tianshan Mountains. Science Bulletin, 63, 1328-133

(64) Guobao Xu, Xiaohong Liu*, Soumaya Belmecheri et al., 2018. Contribution transition of CO2 concentration and climates to intrinsic water-use efficiency in the arid boreal forest, northwestern China. Forests, 9(10),642, https://doi.org/10.3390/f9100642.

(65) Guobao Xu*, Xiaohong Liu, Weizhen Sun, et al., 2018. Application and verification of simultaneous determination of cellulose δ13C and δ18O in Picea shrenkiana tree rings from northwestern China using the high-temperature pyrolysis method. Journal of Arid Land, 10(6),864- 876

(66) Liangju Zhao, Eastoe Chris, Xiaohong Liu, et al., 2018. Origin and residence time of groundwater based on stable and radioactive isotopes in the Heihe River Basin, northwestern China. Journal of Hydrology: Regional Studies, 18, 31-49

(67) Xuanwen Zhang, Xiaohong Liu*, Wenzhi Wang, et al., 2018. Spatiotemporal variability of drought in the northern part of Northeast, China. Hydrological Processes, 32, 1449-1460

(68) Xuanwen Zhang, Xiaohong Liu*, Qiuliang Zhang et al., 2018. Species-specific tree growth and intrinsic water-use efficiency of Dahurian larch (Larix gmelinii) and Mongolian pine (Pinus sylvestris var. mongolica) growing in a boreal permafrost region. Agricultural and Forest Meteorology, 248, 145-155

(69) Guoju Wu, Xiaohong Liu*, Shichang Kang, et al., 2018. Age-dependent impacts of climate change and intrinsic water-use efficiency on the growth of Schrenk spruce (Picea schrenkiana) in the western Tianshan Mountains, China. Forest Ecology Management, 414, 1-14

(70) Xiaomin Zeng, Xiaohong Liu*, Treydte K., Evans M, Wenzhi Wang, Wenling An, et al., 2017. Common variability and climate signals in intra-seasonal, earlywood, latewood and multi-decadal tree-ring δ18O from southeastern Tibet compared to δ13C: insights from observations and forward modeling. New Phytologist, 216, 1104-1118,doi: 10.1111/nph.14750

(71) Xiaohong Liu *, Xuanwen Zhang, Liangju Zhao, et al., 2017. Tree-ring δ18O reveals no long-term change of atmospheric water demand since 1800 in the northern Great Higgnan Mountains, China. Journal of Geophysical Research – Atmosphere, 122,6697-6712,DOI: 10.1002/2017JD026660.

(72) Dawen Li, Keyan Fang, Yingjun Li, Deliang Chen, Xiaohong Liu, et al., 2017. Climate, intrinsic water-use efficiency and tree growth over the past 150 years in humid subtropical China. PLOS one, 12(2): e0172045.

(73) Ru Huang, Haifeng Zhu, Xiaohong Liu*, et al., 2017. Does increasing intrinsic water use efficiency (iWUE) stimulate tree growth at natural alpine timberline on the southeastern Tibetan Plateau? Global Planetary Change,148, 217-226

(74) Bo Wang, Tuo Chen, Guobao Xu, Xiaohong Liu, et al., 2016. Alpine timberline population dynamics under climate change: a comparison between Qilian juniper and Qinghai spruce tree species in the middle Qilian Mountains of northeast Tibetan Plateau. Boreas, doi:10.1111/bor.12161

(75) Liangju Zhao, Lixin Wang, Lucas A Cernusak, Xiaohong Liu, et al., 2016. Significant difference in hydrogen isotope composition between xylem and tissue water in Populus euphratica. Plant Cell & Environment, 39, 1848-1857, doi: 10.1111/pce.12753.

(76) Xiaoming Zeng, Xiaohong Liu*, Evans MN, et al., 2016. Seasonal incursion of Indian Monsoon humidity and precipitation onto the southeastern Qinghai-Tibetan Plateau inferred from tree ring δ18O values with intra-seasonal resolution. Earth Planetary Science Letters, 443,9-19,doi:10.1016/j.epsl.2016.03.011.

(77) Wenzhi Wang, Xiaohong Liu*, Guobao Xu, et al., 2016. Climatic instability of millennium tree-ring δ13C chronology in the northeastern part of Qaidam Basin. Global Planetary Change, 139, 165-172, 10.1016/j.gloplacha.2016.02.006

(78) Guoju Wu, Xiaohong Liu*, Tuo Chen, et al. 2015. Elevation-dependent variations of tree growth and iWUE in Schrenk spruce (Picea schrenkiana) in the western Tianshan Mountains, China. Frontiers in Plant Science,6: 309. doi: 10.3389/fpls.2015.00309

(79) Guobao Xu, Xiaohong Liu*, Guoju Wu, et al., 2015. Tree ring δ18O’s indication of a shift to a wetter climate since the 1880s in the western Tianshan Mountains of northwestern China. Journal of Geophysical Research - Atmosphere, 120, 6409-6425, doi: 10.1002/2014 JD023027.

(80) Wenzhi Wang, Xiaohong Liu*, Xuemei Shao, et al., 2015. Differential response of the Qilian juniper radial growth to climate variations in the middle of Qilian Mountains and the northeastern Qaidam Basin. Climatic Change, 133, 237-251, doi: 10.1007/s1058 4-015-1467-2.

(81) Guoju Wu, Xiaohong Liu*, Tuo Chen, et al., 2015. Long-term variation of tree growth and intrinsic water-use efficiency in Schrenk spruce with increasing CO2 concentration and climate change in China's Tianshan Mountains. Acta Physiologiae Plantarum, 37, 150, 10.1007/s11738-015-1903-y.

(82) Xiaohong Liu, Wenling An, Kerstin Treydte, et al., 2015. Pooled versus separate tree-ring δD measurements, and implications for reconstruction of the Arctic Oscillation in northwestern China. Science of Total Environment, 511, 584-594

(83) Zhao Liangju, Wang Lixin, Liu Xiaohong et al., 2014. The patterns and implications of diurnal variations in d-excess of plant water, shallow soil water and air moisture. Hydrology and Earth System Sciences, 18, 4129-4151, doi:10.5194/hess-18-1-2014.

(84) Xiaohong Liu, Wenzhi Wang, Guobao Xu, et al., 2014. Tree growth and intrinsic water-use efficiency of inland riparian forest in NW China: evaluation via δ13C and δ18O analysis of tree rings. Tree Physiology, 34(9), 966-980, doi:10.1093/treephys/tpu067.

(85) Liu Xiaohong, Xu Guobao, Jussi Grießinger, et al., 2014. A shift in cloud cover over the southeastern Tibetan Plateau since 1600: evidence from regional tree-ring δ18O and its linkages to tropical oceans. Quaternary Science Reviews, 88, 55-68, doi: 10.1016/j.quascirev. 2014.01.009.

(86) Zeng Xiaomin, Liu Xiaohong *, Guobao Xu, et al., 2014. Tree-ring growth recovers, but δ13C and δ15N do not change, after the removal of point-source air pollution: a case study for poplar (P. cathayana) in northwestern China. Environment Earth Sciences, 72, 2173-2182,doi: 10.1007/s12665-014-3127-7.

(87) Xiaomin Zeng, Xiaohong Liu*, Guobao Xu, et al., 2014. No altitude-dependent effects on climatic signals record in tree-ring δ18O contrast to the shift in tree growth: A case study on southeastern Tibetan Plateau. Boreas, 43, 588-599, doi: 10.1111/bor.12053.

(88) Wenling An, Xiaohong Liu*, Steven W. Leavitt, et al., 2014. Relative humidity history on the Batang–Litang Plateau of western China since 1755 reconstructed from tree-ring δ18O and δD data. Climatic Dynamics, 42, 2639-2654, doi: 10.1007/s00382-013-1937-z

(89) Xiaohong Liu, Wenling An, Steven Leavitt, et al., 2014. Recent strengthening of correlations between tree-ring δ13C and δ18O in mesic western China: implications to climatic reconstruction and physiological responses. Global Planetary Change, 113, 23-33, doi: 10.1016/j.gloplacha.2013.12.005.

(90) Guobao Xu, Xiaohong Liu*, Dahe Qin, et al., 2014. Relative humidity reconstruction for the Altay Mountains, in China using tree-ring δ18O. Chinese Science Bulletin, 59(2), 190-200, doi: 10.1007/s11434-013-0055-y

(91) Guobao Xu, Xiaohong Liu*, Dahe Qin, et al. 2014. Reconstruction of a drought history for the eastern Tianshan Mountains of northwestern China since 1700 AD: evidence from tree-ring δ18O. International Journal of Climatology, 34, 3336-3347, doi: 10.1002/joc.3911.

(92) Guobao Xu, Xiaohong Liu*, Dahe Qin, et al., 2014. Drought history inferred from tree-ring δ13C and δ18O at the Middle Tianshan Mountains from Northwestern China, and it’s linkage to North Atlantic Oscillation, Theory Apply Climatology, 116, 385-401, doi: 10.1007/s00704-013-0958-1.