| 引用本文: | 张志华,桑玉强,孔玉华,等.太行山低山丘陵区坡位对土壤渗透性能影响研究[J].灌溉排水学报,2018,37(9):43-47+78. |
| ZHANG Zhihua,SANG Yuqiang,KONG Yuhua,et al.太行山低山丘陵区坡位对土壤渗透性能影响研究[J].灌溉排水学报,2018,37(9):43-47+78. |
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| 摘要: |
| 【目的】探究太行山低山丘陵区坡位对土壤渗透性能的影响，模拟不同坡位土壤水分入渗过程并选择该研究区的最适模型。【方法】选择栓皮栎林、侧柏林及撂荒地的典型坡面，通过野外调查和室内分析相结合的方法，研究了该地区不同植被类型条件下土壤渗透性能的坡位差异，分析了Horton模型、Philip模型和Kostiakov模型对不同坡位水分入渗过程的拟合效果。【结果】3种林型不同坡位间的初渗率、稳渗率及平均入渗率总体均表现为坡上＞坡中＞坡下。在栓皮栎林坡上的稳渗率比坡中及坡下分别增加了29.41%和83.33%，在侧柏林分别增加了90.43%和67.29%，在撂荒地分别增加了20.00%和36.63%。Horton模型、Philip模型和Kostiakov模型对不同坡位水分入渗过程拟合的判定系数分别为0.90、0.74和0.96。【结论】不同植被类型下的土壤渗透性能具有显著的坡位差异。在整个入渗阶段，坡上的累积入渗量是最大的，体现了较好的入渗性能。Kostiakov模型和Horton入渗模型更适合研究太行山低山丘陵区坡面的土壤水分入渗过程。 |
| 关键词: 低山丘陵； 坡位； 入渗性能； 入渗模型 |
| DOI：10.13522/j.cnki.ggps.20170043 |
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| The Variation of Water Infiltration Rate over Various Slopes in Taihang Mountain |
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ZHANG Zhihua, SANG Yuqiang, KONG Yuhua, FENG Xuejin, JIA Changrong, SHi Yuefeng
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1. Forestry College of Henan Agriculture University, Zhengzhou 450002, China; 2.State-owned Nanshan Forest Farm in Jiyuan, Jiyuan 459000, China; 3. Water Resources Protection and Research Institute, YRBWRPB, Zhengzhou 450002, China
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| Abstract: |
| 【Objective】 This study was to explore the variation of water infiltration over different slopes in Taihang Mountain.【Method】 Representative slopes were selected in an abandoned land and two man-made forests with Quercus variabilis and Platycladus oriental plantation respectively. Based on field investigation and lab analysis, infiltration experiments were conducted at different location of the slopes. The Horton model, the Philip model and the Kostiakov model were used to simulate the infiltration processes.【Result】 The initial infiltration rate, steady infiltration rate and average infiltration rate in the upper part of all slopes were the highest, followed by the middle and bottom parts. The steady infiltration rate in the upper slope with Quercus variabilis plantation increased 29.41% and 83.33%, compared to that in the middle and bottom parts of the slope respectively. For the slope with Platycladus oriental plantation these increases were 90.43% and 67.29% respectively, while for the slope in the abandoned land they were 20.00% and 36.63% respectively. The determination coefficient of the Horton model, Philip model and Kostiakov model was 0.90, 0.74 and 0.96, respectively. 【Conclusion】 Water infiltration over a slope varied considerably, with the rate on the upper part much higher than that on the middle and bottom. The Kostiakov model and the Horton infiltration model appeared to be more suitable for describing the water infiltration processes in the areas we studied. |
| Key words: hilly area; slope position; infiltration properties; infiltration model |
