溝壑地表 的英文怎麼說
中文拼音 [gōuhèdebiǎo]
溝壑地表
英文
gullied surface-
The topographic feature is one of the main factors that influence the process of soil erosion and sediment yield of small watershed. the quantitative parameters of small watershed topographic feature are average watershed slope, average slope length, gully density and so on, which are based on the quantitative method of slope character and do not reflect the essential character of the small watershed topographic feature, which are complex
地貌形態是影響小流域侵蝕產沙的主要下墊面因素之一，其量化參數一般繼承坡面地貌特徵量化方法（如坡度、坡長因子）而採用平均坡度、平均坡長及溝壑密度等參數，這些參數僅是對流域地貌形態的概化和單因子表達，沒有真正反映流域地貌形態復雜的本質特徵和相互聯系。Check dams system plays an irreplaceable role in preventing gully bed from cutting down, improving yield, accelerating the recovery of regional vegetable and adjustment of land utilization structure, improving adjustment of rural industrial framework, enhancing the efficiency of water resources, ameliorating local traffic, speeding up the development of rural science, technology and civilization
研究結果表明，黃土高原丘陵溝壑區的淤地壩壩系在防止溝道侵蝕、提高糧食產量、促進植被恢復及土地利用結構調整、促進農村產業結構調整、提高水資源利用率、便利交通、促進農村科技文化事業的發展等方面發揮著不可替代的作用。
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