Shuitu Baochi Xuebao目的受气象条件、植被特征、土壤性质和地形因子等差异影响，坡面土壤水分沿坡面分布的差异导致土壤储水量有明显空间变异，但目前对森林坡面不同坡位土壤水分动态及其影响因素的解析还不系统。方法以六盘山半湿润区华北落叶松林典型坡面为研究对象，于2023年5至10月监测了坡上、坡中和坡下3个坡位0~80 cm土层土壤水分体积分数变化，并同步观测气象条件、植被结构和土壤水文物理性质等。结果1）土壤储水量存在坡位差异，其平均值表现为坡中>坡下>坡上，但土壤储水量的波动在坡中最大。2）在时间上 ...
刘姗 +6 more
doaj
Shuitu Baochi Xuebao[目的] 为探究不同季节及降雨类型下,林分冠层结构发生改变对降雨分配特征的影响。[方法] 以喀斯特区典型灌木林为研究对象,选取3个10 m×10 m的样地,分别进行30%(TC30)和10%(TC10)的植被剔除,并以不剔除(TC0)作为对照,分别于旱雨季对剔除处理后各样地的穿透雨、树干径流等进行监测。[结果] 旱雨季不同降雨类型下,各样地穿透雨率为72.3%~96.6%,不同剔除比例下样地间穿透雨率总体上无明显差异。无论在旱季或雨季,树干径流率在各降雨类型下均表现为TC0(5.6%~13.9 ...
宫联沙 +4 more
doaj
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Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiZhang J, Hu X, Shen J, Huang Y, Liu S.
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Zhonghua Gan Zang Bing Za ZhiAbdomen Group of Chinese Society of Radiology +7 more
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Nan Fang Yi Ke Da Xue Xue BaoMa S, Chen M, Wu T, Zhao W.
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Se PuSong XL +4 more
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