【摘要】 通过分析延安市自然环境的特征和水毁淤地坝的各种原因，总结了水毁坝的经验教训，提出了如何进一步发挥滞洪、拦泥和增产的作用，这对黄土高原丘陵区水土保持、发展生产和改变生态环境有着非常重要的意义。更多还原

【Abstract】 Basedon thechara cteristics of the natural environment in Yan’ an,the reason of the dam-bursting is analysed and the experience summed up. It is significant for soil and water conservationproduction development and ecological improvement in the hilly areas on the Loess Plateau.更多还原