Landform-related permafrost characteristics in the source area of the Yellow River, eastern Qinghai-Tibet Plateau

Geomorphology ◽  
2016 ◽  
Vol 269 ◽  
pp. 104-111 ◽  
Author(s):  
Jing Li ◽  
Yu Sheng ◽  
Jichun Wu ◽  
Ziliang Feng ◽  
Zuojun Ning ◽  
...  
Keyword(s):  
Yellow River ◽  
Source Area ◽  
Tibet Plateau ◽  
The Yellow River ◽  
Qinghai Tibet Plateau

Application of Rn-222 isotope for the interaction between surface water and groundwater in the Source Area of the Yellow River

2016 ◽  
Vol 47 (6) ◽  
pp. 1253-1262 ◽  
Author(s):  
M. J. Zheng ◽  
C. W. Wan ◽  
M. D. Du ◽  
X. D. Zhou ◽  
P. Yi ◽  
...  
Keyword(s):  
Surface Water ◽  
Yellow River ◽  
Reference Value ◽  
Source Area ◽  
Tibet Plateau ◽  
The Yellow River ◽  
The North ◽  
Surface Water And Groundwater ◽  
Average Fraction ◽  
Qinghai Tibet Plateau

A pioneering rapid and direct measurement of dissolved 222Rn in the field has been used here to explore interaction between surface and groundwater in the source area of the Yellow River (SAYR). The results indicate average 222Rn activity of 2,371 Bq/m3 in surface water and 27,835 Bq/m3 in groundwater. The high 222Rn activity (up to 9,133 Bq/m3) found in the southeast part of the SAYR suggests possible influence of permafrost on the exchange between surface water and groundwater. The remarkable contrast among the different samples of a stream in the Shuangchagou basin, a typical basin in the SAYR, clearly indicates groundwater infiltration along the north tributary and occurrence of groundwater end-member in the south tributary. Considering no 222Rn decay and atmospheric evasion, the daily average fraction of groundwater input to the surface water through the end-member in a location (S1) is estimated at 19%. Despite the up to 40% uncertainty, this is the first estimate of a reference value for groundwater input in this basin and which can be improved in the future with more samples and measurements. 222Rn can be a rapid and easily measured tracer of surface water–groundwater interaction for future investigation in the Qinghai-Tibet Plateau.

Evaluation of groundwater discharge into surface water by using Radon-222 in the Source Area of the Yellow River, Qinghai-Tibet Plateau

2018 ◽  
Vol 192 ◽  
pp. 257-266 ◽  
Author(s):  
Peng Yi ◽  
Huan Luo ◽  
Li Chen ◽  
Zhongbo Yu ◽  
Huijun Jin ◽  
...  
Keyword(s):  
Surface Water ◽  
Yellow River ◽  
Groundwater Discharge ◽  
Source Area ◽  
Tibet Plateau ◽  
The Yellow River ◽  
Qinghai Tibet Plateau

scholarly journals Changes in frozen ground in the Source Area of the Yellow River on the Qinghai–Tibet Plateau, China, and their eco-environmental impacts

2009 ◽  
Vol 4 (4) ◽  
pp. 045206 ◽  
Author(s):  
Huijun Jin ◽  
Ruixia He ◽  
Guodong Cheng ◽  
Qingbai Wu ◽  
Shaoling Wang ◽  
...  
Keyword(s):  
Environmental Impacts ◽  
Yellow River ◽  
Source Area ◽  
Tibet Plateau ◽  
The Yellow River ◽  
Frozen Ground ◽  
Qinghai Tibet Plateau

Use of 10Be isotope to predict landscape development in the source area of the Yellow River (SAYR), northeastern Qinghai-Tibet Plateau

2019 ◽  
Vol 203 ◽  
pp. 187-199
Author(s):  
Peng Chen ◽  
Peng Yi ◽  
Ling Xiong ◽  
Zhongbo Yu ◽  
Ala Aldahan ◽  
...  
Keyword(s):  
Yellow River ◽  
Source Area ◽  
Tibet Plateau ◽  
The Yellow River ◽  
Landscape Development ◽  
Qinghai Tibet Plateau

Hydrological insights from hydrogen and oxygen isotopes in Source Area of the Yellow River, east-northern part of Qinghai–Tibet Plateau

2018 ◽  
Vol 317 (1) ◽  
pp. 131-144 ◽  
Author(s):  
Peng Yi ◽  
Chengwei Wan ◽  
Huijun Jin ◽  
Dongliang Luo ◽  
Yuzhong Yang ◽  
...  
Keyword(s):  
Oxygen Isotopes ◽  
Yellow River ◽  
Source Area ◽  
Tibet Plateau ◽  
The Yellow River ◽  
Hydrogen And Oxygen Isotopes ◽  
Qinghai Tibet Plateau

scholarly journals Abundant and rare bacterial taxa structuring differently in sediment and water in thermokarst lakes in the Yellow River Source area, Qinghai-Tibet Plateau

2021 ◽  
Author(s):  
Ze Ren ◽  
Cheng Zhang ◽  
Xia Li ◽  
Kang Ma ◽  
Kexin Feng ◽  
...  
Keyword(s):  
Bacterial Communities ◽  
Yellow River ◽  
Source Area ◽  
Tibet Plateau ◽  
The Yellow River ◽  
Thermokarst Lakes ◽  
Β Diversity ◽  
Α Diversity ◽  
Yellow River Source ◽  
Qinghai Tibet Plateau

Thermokarst lakes are forming from permafrost thaw and severely affected by accelerating climate change. Sediment and water in these lakes are distinct habitats but closely connected. However, our understanding of the differences and linkages between sediment and water in thermokarst lakes remain largely unknow, especially from the perspective of bacterial community patterns and underlying mechanisms. In this study, we examined bacterial communities in sediment and water in thermokarst lakes in the Yellow River Source area, Qinghai-Tibet Plateau. Bacterial taxa were divided to abundant and rare according to their relative abundance, and the Sorensen dissimilarity (βsor) was partitioned into turnover (βturn) and nestedness (βnest). The results showed that the whole bacterial communities as well as the abundant and rare subcommunities differed substantially between sediment and water, in terms of taxonomical composition, α-diversity, and β-diversity. Sediment had significantly lower α-diversity indexes but higher β-diversity than water. Abundant taxa had significantly higher relative abundances but lower α-diversity and β-diversity than rare taxa. Moreover, bacterial communities are predominantly governed by strong turnover processes (βturn/βsor ratio of 0.925). Abundant subcommunities were significantly lower in βturn/βsor ratio compared to rare subcommunities. Bacterial communities in sediment had a significantly higher βturn/βsor ratio than in water. The results suggest that the bacterial communities of thermokarst lakes, especially rare subcommunities or particularly in sediment, might be strongly structured by environmental filtering and geographical isolation, leading to compositional distinct. By revealing bacterial communities in sediment and water, this integral study increased our current knowledge of thermokarst lakes, enhancing our understanding of the community assembly rules and ecosystem structures and processes of these rapid changing and vulnerable ecosystems.

Tracing of soil erosion and sediment transport by 10Be isotope in watershed of the Yellow River Source Area (YRSA)-Tibet Plateau

2017 ◽  
Author(s):  
Peng Chen ◽  
Peng Yi ◽  
Ala Aldahan ◽  
Ahmed Murad ◽  
Göran Possnert
Keyword(s):  
Sediment Transport ◽  
Soil Erosion ◽  
Yellow River ◽  
Source Area ◽  
Tibet Plateau ◽  
The Yellow River ◽  
Yellow River Source
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