Methods
Introduction of the study area
The Yellow River is the second largest river in China which originates from the Tibetan Plateau, flows eastwards through the Loess Plateau and the North China Plain, inrushes into the Bohai Sea at Kenli County, Shandong Province, with the mainstream length of 5464 km and basin area of 752 000 km2. The river is divided into the upper, middle and lower reaches based on its geomorphology and climatic conditions. According to the Yellow River Water Resources Bulletin of 2008, the upper reaches are the section from the river source to Toudaoguai, where the climate is arid with an annual average precipitation of 396 mm. The middle reaches
stretch from Toudaoguai to Huayuankou; this section is mainly located in the Loess Plateau with lots of tributaries. The climate is semiarid and arid with an annual average precipitation of 516 mm. The lower reaches stream down from Huayuankou; the climate is humid with an annual average precipitation of 648 mm. The study on impacts of climate changes on the Yellow River basin is of great significance to the river management under climate change because of its growing
economic and agricultural importance in China. Changes of water quality and quantity are of significance to water supply and demand in the Yellow River basin (Xia et al. 2009a). Though there have been numerous studies about the water quantity and quality in the Yellow River (Xia et al. 2009b; Yuan & Shu 2008), few studies have been conducted on the effect of climate changes on the water quantity and quality of this river.
Methods
Introduction of the study area
The Yellow River is the second largest river in China which originates from the Tibetan Plateau, flows eastwards through the Loess Plateau and the North China Plain, inrushes into the Bohai Sea at Kenli County, Shandong Province, with the mainstream length of 5464 km and basin area of 752 000 km2. The river is divided into the upper, middle and lower reaches based on its geomorphology and climatic conditions. According to the Yellow River Water Resources Bulletin of 2008, the upper reaches are the section from the river source to Toudaoguai, where the climate is arid with an annual average precipitation of 396 mm. The middle reaches
stretch from Toudaoguai to Huayuankou; this section is mainly located in the Loess Plateau with lots of tributaries. The climate is semiarid and arid with an annual average precipitation of 516 mm. The lower reaches stream down from Huayuankou; the climate is humid with an annual average precipitation of 648 mm. The study on impacts of climate changes on the Yellow River basin is of great significance to the river management under climate change because of its growing
economic and agricultural importance in China. Changes of water quality and quantity are of significance to water supply and demand in the Yellow River basin (Xia et al. 2009a). Though there have been numerous studies about the water quantity and quality in the Yellow River (Xia et al. 2009b; Yuan & Shu 2008), few studies have been conducted on the effect of climate changes on the water quantity and quality of this river.
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Methods
Introduction of the study area
The Yellow River is the second largest river in China which originates from the Tibetan Plateau, flows eastwards through the Loess Plateau and the North China Plain, inrushes into the Bohai Sea at Kenli County, Shandong Province, with the mainstream length of 5464 km and basin area of 752 000 km2. The river is divided into the upper, middle and lower reaches based on its geomorphology and climatic conditions. According to the Yellow River Water Resources Bulletin of 2008, the upper reaches are the section from the river source to Toudaoguai, where the climate is arid with an annual average precipitation of 396 mm. The middle reaches
stretch from Toudaoguai to Huayuankou; this section is mainly located in the Loess Plateau with lots of tributaries. The climate is semiarid and arid with an annual average precipitation of 516 mm. The lower reaches stream down from Huayuankou; the climate is humid with an annual average precipitation of 648 mm. The study on impacts of climate changes on the Yellow River basin is of great significance to the river management under climate change because of its growing
economic and agricultural importance in China. Changes of water quality and quantity are of significance to water supply and demand in the Yellow River basin (Xia et al. 2009a). Though there have been numerous studies about the water quantity and quality in the Yellow River (Xia et al. 2009b; Yuan & Shu 2008), few studies have been conducted on the effect of climate changes on the water quantity and quality of this river.
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