| 贵州中部地区黄壤地表坡度对降雨资源化的影响 |
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| 引用本文： | 蒋太明,肖厚军,夏锦慧,邓英,黄全能. 贵州中部地区黄壤地表坡度对降雨资源化的影响[J]. 灌溉排水学报, 2009, 0(4) |
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| 作者姓名： | 蒋太明 肖厚军 夏锦慧 邓英 黄全能 |
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| 作者单位： | 贵州省土壤肥料研究所; |
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| 基金项目： | 农业科技成果转化资金项目(2007GB2F200288);;贵州省优秀人才省长资金项目[贵州省专合字(2005)39号] |
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| 摘 要： | 2001年6月~2003年7月期间在贵州省修文县设置的径流观测试验表明,坡地黄壤径流与降雨同步,坡地黄壤径流系数大,资源化水平低;随坡度增大,农田系统对降雨的资源化水平降低。黄壤坡地径流与产流降雨间表现为Rs=-a+bP-cP2+dP3的函数关系,黄壤坡地降雨资源量与产流降雨间则呈现为Pe=a+bP+cP2-dP2的函数关系。作物种植对黄壤坡地降雨资源化具有重要的耦合作用。
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| 关 键 词： | 黄壤 坡度 降雨资源化 贵州 |
Effects of Gradient on Yellow Soil Utilization of Precipitation in Central Guizhou |
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| JIANG Tai-ming,XIAO Hou-jun,XIA Jin-hui,DENG Ying,HUANG Quan-neng. Effects of Gradient on Yellow Soil Utilization of Precipitation in Central Guizhou[J]. Journal of Irrigation and Drainage, 2009, 0(4) |
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| Authors: | JIANG Tai-ming XIAO Hou-jun XIA Jin-hui DENG Ying HUANG Quan-neng |
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| Affiliation: | Soil and Fertilizer Institute of Guizhou;Guiyang 550006;China |
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| Abstract: | The observation carried out at Xiuwen county,Central Guizhou from June,2001 to July,2003 showed that the surface runoff on yellow soil slopes coincides with the rainfall reception and it takes a considerable proportion,which leads to an inadequate utilization of precipitation and the utilization ratio decreases with the gradient goes up.The formula for surface runoff with rainfall could be simulated as Rs=-a+bP-cP2+dP3 and that for utilization of precipitation as Pe=a+bP+cP2-dP2.The cropping pattern contrib... |
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| Keywords: | Yellow soil gradient utilization of precipitation Guizhou |
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