凤羽河流域典型降雨径流氮磷污染物排放特征
对凤羽河流域2013年3次典型降雨全过程进行了连续监测，测定了径流量及降雨径流过程中氮磷（N、P）的形态、浓度与通量变化。结果表明，N、P各形态浓度变化曲线与流量曲线趋势大致相同，总氮（TN）浓度随降雨量增减迅速，硝态氮（NN）浓度变化平稳，铵态氮（AN）浓度较低且峰值出现均晚于其它氮素形态峰值，颗粒态氮（PN）与颗粒态磷（PP）浓度在径流过程中迅速达到峰值后陡然下降。暴雨径流前期氮素迁移以PN为主，主要来源于地表径流，受降雨强度影响；后期以NN为主，来源于土壤硝酸盐随壤中流淋失。磷素主要以地表径流迁移的PP为主。暴雨径流导致的N、P流失负荷较大，暴雨初期PP、PN流失严重，初期冲刷效应明显。...
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| Published in | 西南农业学报 Vol. 30; no. 2; pp. 394 - 400 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
云南省农业科学院农业环境资源研究所,云南昆明650205
2017
农业部嵩明农业环境科学观测实验站,云南昆明650205%中国农业科学院农业环境与农业区划研究所,北京100081 农业部面源污染控制重点实验室,北京100081 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4829 |
| DOI | 10.16213/j.cnki.scjas.2017.2.026 |
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| Abstract | 对凤羽河流域2013年3次典型降雨全过程进行了连续监测，测定了径流量及降雨径流过程中氮磷（N、P）的形态、浓度与通量变化。结果表明，N、P各形态浓度变化曲线与流量曲线趋势大致相同，总氮（TN）浓度随降雨量增减迅速，硝态氮（NN）浓度变化平稳，铵态氮（AN）浓度较低且峰值出现均晚于其它氮素形态峰值，颗粒态氮（PN）与颗粒态磷（PP）浓度在径流过程中迅速达到峰值后陡然下降。暴雨径流前期氮素迁移以PN为主，主要来源于地表径流，受降雨强度影响；后期以NN为主，来源于土壤硝酸盐随壤中流淋失。磷素主要以地表径流迁移的PP为主。暴雨径流导致的N、P流失负荷较大，暴雨初期PP、PN流失严重，初期冲刷效应明显。 |
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| AbstractList | 对凤羽河流域2013年3次典型降雨全过程进行了连续监测，测定了径流量及降雨径流过程中氮磷（N、P）的形态、浓度与通量变化。结果表明，N、P各形态浓度变化曲线与流量曲线趋势大致相同，总氮（TN）浓度随降雨量增减迅速，硝态氮（NN）浓度变化平稳，铵态氮（AN）浓度较低且峰值出现均晚于其它氮素形态峰值，颗粒态氮（PN）与颗粒态磷（PP）浓度在径流过程中迅速达到峰值后陡然下降。暴雨径流前期氮素迁移以PN为主，主要来源于地表径流，受降雨强度影响；后期以NN为主，来源于土壤硝酸盐随壤中流淋失。磷素主要以地表径流迁移的PP为主。暴雨径流导致的N、P流失负荷较大，暴雨初期PP、PN流失严重，初期冲刷效应明显。 X52; 对凤羽河流域2013年3次典型降雨全过程进行了连续监测,测定了径流量及降雨径流过程中氮磷(N、P)的形态、浓度与通量变化.结果表明,N、P各形态浓度变化曲线与流量曲线趋势大致相同,总氮(TN)浓度随降雨量增减迅速,硝态氮(NN)浓度变化平稳,铵态氮(AN)浓度较低且峰值出现均晚于其它氮素形态峰值,颗粒态氮(PN)与颗粒态磷(PP)浓度在径流过程中迅速达到峰值后陡然下降.暴雨径流前期氮素迁移以PN为主,主要来源于地表径流,受降雨强度影响;后期以NN为主,来源于土壤硝酸盐随壤中流淋失.磷素主要以地表径流迁移的PP为主.暴雨径流导致的N、P流失负荷较大,暴雨初期PP、PN流失严重,初期冲刷效应明显. |
| Abstract_FL | The changes of water flows,concentration and fluxes of nitrogen and phosphorus (N,P) through rainfall-runoff of three typical storm events were monitored at Fengyu River watershed,Yunnan province,in 2013.The results showed that the N and P concentrations responded with discharge flow.The concentration of Total Nitrogen (TN) changed rapidly with the change of rainfall.The concentration of Nitrate Nitrogen(NN) was stable.The low concentrations and small variations of Ammonium Nitrogen(AN) were observed and its peak appeared later than other forms of nitrogen.The concentrations of Particulate Nitrogen (PN) and Particulate Phosphorus (PP) quickly reached peak and then followed by a rapid decline.Under the influence of the rainfall intensity,the PN transported by surface flow was dominated in the early periods of storm runoff,while NN derived from the soil interflow with nitrate leaching became dominant in the late period.The PP caused by surface flow was the main form of phosphorus in storm runoff.The loss loads of N and P in storm runoff were high and the loads of PN and PP mostly distributed in the early portion of storm runoff,showing first flush effects was important and PN and PP were transported with overland flow. |
| Author | 金桂梅 刘宏斌 胡万里 付斌 翟丽梅 段宗颜 李文超 鲁耀 潘艳华 杜彩艳 |
| AuthorAffiliation | 云南省农业科学院农业环境资源研究所,云南昆明650205 农业部嵩明农业环境科学观测实验站,云南昆明650205 中国农业科学院农业环境与农业区划研究所,北京100081 农业部面源污染控制重点实验室,北京100081 |
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| Author_FL | HU Wan-li LIU Hong-bin ZHAI Li-mei DU Cai-yan DUAN Zong-yan JIN Gui-mei FU Bin PAN Yan-hua LI Wen-chao LU Yao |
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| DocumentTitleAlternate | Characteristics of Nitrogen and Rainfall-runoff Events in Phosphorus Emission in Typical Fengyu River Watershed |
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| Keywords | 暴雨径流 磷流失 Storm runoff Phosphorus loss Migration process 迁移过程 Nitrogen loss 氮流失 |
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| Notes | Storm runoff; Nitrogen loss; Phosphorus loss; Migration process 51-1213/S JIN Gui-mei 1,2, LIU Hong-bin3,4, HU Wan-li1,2 , FU Bin1,2 , ZHAI Li-mei3,4, DUAN Zong-yan1,2 , LI Wen-chao3,4 , LU Yao1,2, PAN Yan-hua1,2 , DU Cai-yan1,2 （ 1. Agricultural Resources ＆ Environment Institute, Yunnan Academy of Agrieuhural Sciences, Yunnan Kunming 650205, China; 2. Scientific Observing and Experimental Station of Songming, Ministry of Agriculture, Yunnan Kunming 650205, China; 3. Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China; 4. Key Laboratory of Nonpoint Source Pollution Control, Ministry of Agriculture, Beijing 100081, China） The changes of water flows, concentration and fluxes of nitrogen and phosphorus （N, P） through rainfall-nmoff of three typical storm events were monitored at Fengyu River watershed, Yunnan province, in 2013. The results showed that the N and P concentrations re- sponded with discharge flow. The concentration of Total Nitrogen |
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| SubjectTerms | 暴雨径流 氮流失 磷流失 迁移过程 |
| Title | 凤羽河流域典型降雨径流氮磷污染物排放特征 |
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