A group of Quaternary gyttjor are discovered in Rimaqu basin in the Yellow River source area which formed the first terrace foundation, included gravel aleurite, aleurite and clay layer.
在黄河源区支流日玛曲河谷发现第四纪湖相沉积，以含砾粉砂、粉砂、粘土互层组合为特征，形成河流的第一阶地基座。
Under threat from global warming, the Yellow river has already been in extreme danger. Not only are the source area but also the river basin and even the whole country facing serious challenge now.
在气候变化的威胁下，黄河的安危已然命悬一线，陷入困境的不仅仅是一个地区的牧民，整个流域和整个国家都面临着严峻挑战。
The source area of the Yellow River, above Tangnaihai, is the main runoff, producing region of this river.
黄河唐乃亥以上黄河河源区是黄河上游主要产水区。
Methods: Sampling was carried out in natural about water source of the Yellow River and running water in HuiNong area.
方法：对惠农地区黄河水和自来水进行采样分析。
The ecosystem of the source area of the Yellow River, taking the hydrologic and the water resources regimes as the basic indexes, has been changed remarkably during the recent years.
以水文水资源情势为核心的黄河源区环境生态系统近年发生了显著变化。
The ecosystem of the source area of the Yellow River, taking the hydrologic and the water resources regimes as the basic indexes, has been changed remarkably during the recent years.
以水文水资源情势为核心的黄河源区环境生态系统近年发生了显著变化。
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