不同尺度下梯田果园地表径流养分流失特征分析
为了研究尺度变化对红壤区梯田果园养分随地表径流流失的影响,通过2011年4–9月份在江西省水土保持生态科技园的野外试验,对比分析了径流小区尺度（处理1）和自然大坡面尺度（处理2）在2种典型降雨下的产流、产沙以及N、P流失特征。结果表明：具有相似下垫面条件的处理1和处理2相比,中雨型条件下处理2单位面积产流、产沙量分别为处理1的23.09%、13.63%,大雨型条件下处理2单位面积产流、产沙量分别为处理1的27.49%、13.72%,其产流产沙过程基本一致,都是随着降雨强度的变化而变化;各处理养分流失主要集中在产流初期,后期逐渐趋于稳定。...
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| Published in | 农业工程学报 Vol. 28; no. 11; pp. 105 - 109 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
河海大学水利水电学院,南京,210098%江西省水土保持科学研究所 南昌330000
2012
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.3969/j.issn.1002-6819.2012.11.018 |
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| Abstract | 为了研究尺度变化对红壤区梯田果园养分随地表径流流失的影响,通过2011年4–9月份在江西省水土保持生态科技园的野外试验,对比分析了径流小区尺度（处理1）和自然大坡面尺度（处理2）在2种典型降雨下的产流、产沙以及N、P流失特征。结果表明：具有相似下垫面条件的处理1和处理2相比,中雨型条件下处理2单位面积产流、产沙量分别为处理1的23.09%、13.63%,大雨型条件下处理2单位面积产流、产沙量分别为处理1的27.49%、13.72%,其产流产沙过程基本一致,都是随着降雨强度的变化而变化;各处理养分流失主要集中在产流初期,后期逐渐趋于稳定。 |
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| AbstractList | S812.2; 为了研究尺度变化对红壤区梯田果园养分随地表径流流失的影响,通过2011年4-9月份在江西省水上保持生态科技园的野外试验,对比分析了径流小区尺度(处理1)和自然大坡面尺度(处理2)在2种典型降雨下的产流、产沙以及N、P流失特征.结果表明:具有相似下垫面条件的处理1和处理2相比,中雨型条件下处理2单位面积产流、产沙量分别为处理1的23.09％、13.63％,大雨型条件下处理2单位面积产流、产沙量分别为处理1的27.49％、13.72％,其产流产沙过程基本一致,部是随着降雨强度的变化而变化;各处理养分流失主要集中在产流初期,后期逐渐趋于稳定. 为了研究尺度变化对红壤区梯田果园养分随地表径流流失的影响,通过2011年4–9月份在江西省水土保持生态科技园的野外试验,对比分析了径流小区尺度（处理1）和自然大坡面尺度（处理2）在2种典型降雨下的产流、产沙以及N、P流失特征。结果表明：具有相似下垫面条件的处理1和处理2相比,中雨型条件下处理2单位面积产流、产沙量分别为处理1的23.09%、13.63%,大雨型条件下处理2单位面积产流、产沙量分别为处理1的27.49%、13.72%,其产流产沙过程基本一致,都是随着降雨强度的变化而变化;各处理养分流失主要集中在产流初期,后期逐渐趋于稳定。 |
| Author | 张展羽 张卫 杨洁 吴云聪 汪邦稳 张杰 |
| AuthorAffiliation | 河海大学水利水电学院,南京210098 江西省水土保持科学研究所,南昌330000 |
| AuthorAffiliation_xml | – name: 河海大学水利水电学院,南京,210098%江西省水土保持科学研究所 南昌330000 |
| Author_FL | Wang Bangwen Zhang Wei Yang Jie Wu Yuncong Zhang Jie Zhang Zhanyu |
| Author_FL_xml | – sequence: 1 fullname: Zhang Zhanyu – sequence: 2 fullname: Zhang Wei – sequence: 3 fullname: Yang Jie – sequence: 4 fullname: Wu Yuncong – sequence: 5 fullname: Wang Bangwen – sequence: 6 fullname: Zhang Jie |
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| ClassificationCodes | S812.2 |
| ContentType | Journal Article |
| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.3969/j.issn.1002-6819.2012.11.018 |
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| DocumentTitleAlternate | Characteristics of nutrient loss from surface runoff of terraced orchards under different scales |
| DocumentTitle_FL | Characteristics of nutrient loss from surface runoff of terraced orchards under different scales |
| EndPage | 109 |
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| Keywords | 雨型 泥沙 径流 氮 磷 |
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| Notes | 11-2047/S runoff, nitrogen, phosphors, rain type, sediment Zhang Zhanyu, Zhang Wei, Yang Jie, Wu Yuncong, Wang Bangwen, Zhang Jie （1. College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China; 2. Soil and Water Conservation Research Institute of Jiangxi Province, Nanehang 330000, China） In order to study the nutrient loss from surface runoff in terraced orchards at different scales, the field experiments under two typical rainfalls and two different scales （Scheme 1： runoff plot scale, Scheme 2： natural slope scale） were performed to investigate characteristics of the runoff, sediment yield, and N and P transfer process in Soil Conservation Ecological Science and Technology Demonstration Park in Jiangxi province from April to September in 2011. The results showed that the runoff and sediment yield per unit area in Scheme 2 were fairly smaller than that in scheme 1, which accounted for 23.09%, 13.63% of that in Scheme 1 under moderate rain, and 27.49%, 13.72% of that in Sche |
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| PublicationTitle | 农业工程学报 |
| PublicationTitleAlternate | Transactions of the Chinese Society of Agricultural Engineering |
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| PublicationYear | 2012 |
| Publisher | 河海大学水利水电学院,南京,210098%江西省水土保持科学研究所 南昌330000 |
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| SubjectTerms | 径流 氮 泥沙 磷 雨型 |
| Title | 不同尺度下梯田果园地表径流养分流失特征分析 |
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