本文基于黄土高原南部地区历史文献记录，对唐代气候冷暖波动特征进行初步研究。
Based on historical document records in south Loess Plateau, we analyzed the fluctuation characteristics of climatic change in temperature of Tang dynasty.
以野外试验和室内分析相结合的方法，研究了黄土高原南部黄土侵蚀时养分变化的规律。
Based on field experiment and laboratory analysis, regular pattern of variation of soil nutrient was studied in south of the Loess Plateau.
在黄土高原南部地区，通过人工模拟降雨试验，探讨了各因子对水土流失特征值的作用效应。
This paper discussed the effect of some factors on characteristic value of soil and water loss, which has been completed by simulating rainfall experiment in the south region of the Loess Plateau.
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