通过对黄土高原中部朝那剖面黄土-古土壤序列系统的岩石磁学分析，建立了1。
Based on detailed rock magnetic analyses of loess-paleosol sequence at Chaona section in the central loess Plateau, a high-resolution environmental magnetic framework has been built up for last 1.
然而，黄土高原中部大多数剖面由于沉积速率较低(特别是S1地层)，加上后期强烈的成壤作用和淋溶作用可能影响其气候记录。
But, low sedimentary rate in many profiles, especially in S1, and following strong pedogenesis and eluviation would have effect on those climate records.
陕甘宁盆地中部气田地处陕北黄土高原区，区内的环境问题突出表现为水资源缺乏， 生态环境脆弱，水土流失严重。
The Gas Field in the center of Shan-Gan-Ning Basin is located in the loess plateau with poor water resources, weak ecology environment and serious water and soil loss.
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