Abstract
Rainfall intensity and slope gradient are two of the most important factors affecting the variations of runoff nitrogen (N). However, the effects of slope gradient and rainfall intensity on N loss via surface flow and interflow on weathered granite slopes are poorly understood. In this study, 12 artificial rainfalls (three rainfall intensities and four slope gradients) were simulated to investigate the coupling loss characteristics of surface flow-interflow-total nitrogen (TN), nitrate nitrogen (\({\rm{N}}{{\rm{O}}_{{3^ -}}} - {\rm{N}}\)) and ammonia nitrogen (\({\rm{N}}{{\rm{H}}_{{4^ +}}} - {\rm{N}}\)) on weathered granite slopes. The results show that slope gradient has a greater impact on the surface flow when the rainfall intensity is relatively large. The effect gradually weakens with the decrement of rainfall intensity. The interflow yield increases firstly with the prolongation of rainfall duration, then tends to be stable and finally decreases. The total surfaceflow percentage increases with rainfall intensity while it decreases with increasing slope gradient with a range of 10.88%–71.47%. The TN loss concentration of the surface flow continually decreases with rainfall duration while that of the interflow shows different fluctuations. However, the TN loss loads of both surface flow and interflow increase with increasing rainfall intensity and slope gradient. The \({\rm{N}}{{\rm{O}}_{{3^ -}}} - {\rm{N}}\) concentration of interflow is much higher than that of the surface flow. The \({\rm{N}}{{\rm{H}}_{{4^ +}}} - {\rm{N}}\) concentration is always less than that of \({\rm{N}}{{\rm{O}}_{{3^ -}}} - {\rm{N}}\) with no significant difference between surface flow and interflow. The percentages of the TN, \({\rm{N}}{{\rm{O}}_{{3^ -}}} - {\rm{N}}\), and \({\rm{N}}{{\rm{H}}_{{4^ +}}} - {\rm{N}}\) total loss load and concentration of surface flow and interflow were analyzed. The results show that N loss via both surface flow and interflow occurs mainly in the form of \({\rm{N}}{{\rm{O}}_{{3^ -}}} - {\rm{N}}\). Most of the N loss is caused by interflow which is the preferential path of runoff nutrient loss. These findings provide data support and underlying insights for the control of runoff and N loss on the weathered granite slopes.
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References
Anache JAA, Wendland EC, Oliveira PTS, et al. (2017) Runoff and soil erosion plot-scale studies under natural rainfall: A meta-analysis of the Brazilian experience. Catena 152: 29–39. https://doi.org/10.1016/j.catena.2017.01.003
Ao C, Yang P, Ren S, et al. (2016) Efficacy of granular polyacrylamide on runoff, erosion and nitrogen loss at loess slope under rainfall simulation. Environmental Earth Sciences 75: 490. https://doi.org/10.1007/s12665-015-5110-3
Bouraima A, He B, Tian T (2016) Runoff, nitrogen (N) and phosphorus (P) losses from purple slope cropland soil under rating fertilization in Three Gorges Region. Environmental Science and Pollution Research 23(5): 4541–4550. https://doi.org/10.1007/s11356-015-5488-1
Bu H, Ren X, Lu J, et al. (2016) Nitrogen loss on red soil in south China under artificial rainfall conditions. Environmental Science and Technology 39(8): 27–34. (In Chinese)
Buczko U, Kuchenbuch RO (2010) Environmental indicators to assess the risk of diffuse Nitrogen losses from agriculture. Environmental Management 45(5): 1201–1222. https://doi.org/10.1007/s00267-010-9448-8
Chang S, Hu X, Shi D, et al. (2016) Characteristics of runoff and sediment, nitrogen and phosphorus losses under soil management measures in sloping farmland. Journal of Soil & Water Conservation 30(5): 34–40. (In Chinese)
Chaudhuri S, Ale S, Delaune P, et al. (2012) Spatio-temporal variability of groundwater nitrate concentration in Texas: 1960 to 2010. Journal of Environmental Quality 41(6): 1806–1817. https://doi.org/10.2134/jeq2012.0022
Che M, Gong Y, Muhammad NK, et al. (2016) Impacts of rainfall intensity, slope gradient on overland flow of purple soil under simulated rainfall. Bulletin of Soil & Water Conservation 36(4): 164–168. (In Chinese)
Chen G, Elliott JA, Lobb DA, et al. (2017) Changes in runoff chemistry and soil fertility after multiple years of cattle winter bale feeding on annual cropland on the Canadian prairies. Agriculture Ecosystems & Environment 240: 1–13. https://doi.org/10.1016/j.agee.2017.02.003
Deelstra J, Iital A, Povilaitis A, et al. (2014) Hydrological pathways and nitrogen runoff in agricultural dominated catchments in Nordic and Baltic countries. Agriculture Ecosystems & Environment 195: 211–219. https://doi.org/10.1016/j.agee.2014.06.007
Deng L, Zhang L, Fan X, et al. (2018) Characteristics of runoff and sediment yield under different rainfall intensities and slope gradients in erosive weathered granite area. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE) 34(17): 143–150. (In Chinese)
Fan F, Xie D, Wei C, et al. (2015) Reducing soil erosion and nutrient loss on sloping land under crop-mulberry management system. Environmental Science and Pollution Research 22(18): 14067–14077. https://doi.org/10.1007/s11356-015-4608-2
Ferreira CSS, Keizer JJ, Santos LMB, et al. (2018) Runoff, sediment and nutrient exports from a Mediterranean vineyard under integrated production: An experiment at plot scale. Agriculture Ecosystems & Environment 256: 184–193. https://doi.org/10.1016/j.agee.2018.01.015
Fu X, Zhang L (2014) Impact of slope length on soil erosion of sloping farmland with crop in red soil hilly region. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE) 30(5): 91–98. (In Chinese)
Gao Y, Zhu B, Wang T, et al. (2010) Bioavailable phosphorus transport from a hillslope cropland of purple soil under natural and simulated rainfall. Environmental Monitoring and Assessment 171(1–4): 539–550. https://doi.org/10.1007/s10661-009-1298-6
Gao Y, Zhu B, Yu G, et al. (2014) Coupled effects of biogeochemical and hydrological processes on C, N, and P export during extreme rainfall events in a purple soil watershed in southwestern China. Journal of Hydrology 511: 692–702. https://doi.org/10.1016/j.jhydrol.2014.02.005
Gilley JE, Eghball B, Marx DB (2007) Nutrient concentrations of runoff during the year following manure application. Transactions of the ASAE 50(6): 1987–1999.
Guo X, Li T, He B, et al. (2017) Effects of land disturbance on runoff and sediment yield after natural rainfall events in southwestern China. Environmental Science and Pollution Research 24(10): 9259–9268. https://doi.org/10.1007/s11356-017-8558-8
Guo Z, Ma M, Cai C, et al. (2018) Combined effects of simulated rainfall and overland flow on sediment and solute transport in hillslope erosion. Journal of Soils and Sediments 18(3): 1120–1132. https://doi.org/10.1007/s11368-017-1868-0
Gurdak JJ, Qi S (2012) Vulnerability of recently recharged groundwater in principle aquifers of the united states to nitrate contamination. Environmental Science & Technology 46(11): 6004–6012. https://doi.org/10.1021/es300688b
Han J, Li Z, Li P, et al. (2010) Nitrogen and phosphorous concentrations in runoff from a purple soil in an agricultural watershed. Agricultural Water Management 97(5): 757–762. https://doi.org/10.1016/j.agwat.2010.01.007
Hu J, Guo T, Zhuo M, et al. (2013) Erosion processes on red soil slope in south China under simulated rainfall system. Ecology and Environmental Sciences 22(5): 787–791. (In Chinese)
Huang J, Wu P, Zhao X (2013) Effects of rainfall intensity, underlying surface and slope gradient on soil infiltration under simulated rainfall experiments. Catena 104: 93–102. https://doi.org/10.1016/j.catena.2012.10.013
Hubbard RK, Sheridan JM (1983) Water and nitrate-nitrogen losses from a small, upland, coastal-plain watershed. Journal of Environmental Quality 12(2): 291–295. https://doi.org/10.2134/jeq1983.00472425001200020028x
Jin L, Dai Q, Li C, et al. (2016) Experimental study about runoff nutrient loss on Karst bare slope. Journal of Soil & Water Conservation 30(5): 46–51. (In Chinese)
Katebikord A, Darvishan AK, Alavi SJ (2017) Changeability of soil erosion variables in small field plots from different rainfall durations with constant intensity. Journal of African Earth Sciences 129: 751–758. https://doi.org/10.1016/j.jafrearsci.2017.02.026
Kinnell P (2006) Simulations demonstrating interaction between coarse and fine sediment loads in rain-impacted flow. Earth Surface Processes & Landforms 31(3): 355–367. https://doi.org/10.1002/esp.1249
Kinnell PIA (2016) A review of the design and operation of runoff and soil loss plots. Catena 145: 257–265. https://doi.org/10.1016/j.catena.2016.06.013
Leite JD (1985) Interflow, overland-flow and leaching of natural nutrients on an alfisol slope of southern Bahia, Brazil. Journal of Hydrology 80(1–2): 77–92. https://doi.org/10.1016/0022-1694(85)90075-7
Li X, Wang X, Cai C, et al. (2017a) Response of soil water content and subsurface flow to rainfall intensity in purple soil. Journal of Soil & Water Conservation 31(5): 25–31. (In Chinese)
Li Z, Gu C, Zhang R, et al. (2017b) The benefic effect induced by biochar on soil erosion and nutrient loss of slopping land under natural rainfall conditions in central China. Agricultural Water Management 185: 145–150. https://doi.org/10.1016/j.agwat.2017.02.018
Liu R, Wang J, Shi J, et al. (2014) Runoff characteristics and nutrient loss mechanism from plain farmland under simulated rainfall conditions. Science of the Total Environment 468: 1069–1077. https://doi.org/10.1016/j.scitotenv.2013.09.035
Liu Y, Yang J, Hu J, et al. (2016) Characteristics of the surface-subsurface flow generation and sediment yield to the rainfall regime and land-cover by long-term in-situ observation in the red soil region, Southern China. Journal of Hydrology 539: 457–467. https://doi.org/10.1016/j.jhydrol.2016.05.058
Lovett GM, Weathers KC, Sobczak WV (2000) Nitrogen saturation and retention in forested watersheds of the Catskill Mountains, New York. Ecological Applications 10(1): 73–84.
Lu J, Zheng F, Li G, et al. (2016) The effects of raindrop impact and runoff detachment on hillslope soil erosion and soil aggregate loss in the Mollisol region of Northeast China. Soil & Tillage Resesrch 161: 79–85. https://doi.org/10.1016/j.still.2016.04.002
Ma X, Li Y, Li B, et al. (2016) Nitrogen and phosphorus losses by runoff erosion: Field data monitored under natural rainfall in Three Gorges Reservoir Area, China. Catena 147: 797–808. https://doi.org/10.1016/j.catena.2016.09.004
Mantovi P, Fumagalli L, Beretta GP, et al. (2006) Nitrate leaching through the unsaturated zone following pig slurry applications. Journal of Hydrology 316(1–4): 195–212. https://doi.org/10.1016/j.jhydrol.2005.04.026
Mantzos N, Hela D, Karakitsou A, et al. (2016) Dissipation and runoff transport of metazachlor herbicide in rapeseed cultivated and uncultivated plots in field conditions. Environmental Science and Pollution Research 23(20): 20517–20527. https://doi.org/10.1007/s11356-016-7233-9
Mehaffey MH, Nash MS, Wade TG, et al. (2005) Linking land cover and water quality in New York City’s water supply watersheds. Environmental Monitoring and Assessment 107(1–3): 29–44. https://doi.org/10.1007/s10661-005-2018-5
Muegler C, Planchon O, Patin J, et al. (2011) Comparison of roughness models to simulate overland flow and tracer transport experiments under simulated rainfall at plot scale. Journal of Hydrology 402(1–2): 25–40. https://doi.org/10.1016/j.jhydrol.2011.02.032
Naef F, Scherrer S, Weiler M (2002) A process based assessment of the potential to reduce flood runoff by land use change. Journal of Hydrology 267: 74–79. https://doi.org/10.1016/S0022-1694(02)00141-5
Napoli M, Marta AD, Zanchi CA, et al. (2017) Assessment of soil and nutrient losses by runoff under different soil management practices in an Italian hilly vineyard. Soil & Tillage Research 168: 71–80. https://doi.org/10.1016/j.still.2016.12.011
Pacheco FAL, Landim PMB, Szocs T (2013) Anthropogenic impacts on mineral weathering: a statistical perspective. Applied Geochemistry 36: 34–48. https://doi.org/10.1016/j.apgeochem.2013.06.012
Pan Z, Yuan X, Li M (2016) Effects of rainfall intensity and slope gradient on soil nitrogen loss. Journal of Soil & Water Conservation 30(1): 9–13. (In Chinese)
Petry J, Soulsby C, Malcolm IA, et al. (2002) Hydrological controls on nutrient concentrations and fluxes in agricultural catchments. Science of the Total Environment 294: 95–110. https://doi.org/10.1016/S0048-9697(02)00058-X
Pionke HB, Gburek WJ, Sharpley AN (2000) Critical source area controls on water quality in an agricultural watershed located in the Chesapeake Basin. Ecological Engineering 14(4): 325–335. https://doi.org/10.1016/S0925-8574(99)00059-2
Qiu Z, Walter MT, Hall C (2007) Managing variable source pollution in agricultural watersheds. Journal of Soil and Water Conservation 62(3): 115–122.
Silva RG, Holub SM, Jorgensen EE, et al. (2005) Indicators of nitrate leaching loss under different land use of clayey and sandy soils in southeastern Oklahoma. Agriculture Ecosystems & Environment 109: 346–359. https://doi.org/10.1016/j.agee.2004.12.018
Song X, Gao Y, Green SM, et al. (2017) Nitrogen loss from karst area in China in recent 50 years: An in-situ simulated rainfall experiment’s assessment. Ecology & Evolution 7(23): 10131–10142. https://doi.org/10.1002/ece3.3502
Steenhuis TS, Boll J, Shalit G, et al. (1994) A simple equation for predicting preferential flow solute concentrations. Journal of Environmental Quality 23(5): 1058–1064. https://doi.org/10.2134/jeq1994.00472425002300050030x
Sun Z, Lotz T, Chang N (2017) Assessing the long-term effects of land use changes on runoff patterns and food production in a large lake watershed with policy implications. Journal of Environmental Management 204(1): 92–101. https://doi.org/10.1016/j.jenvman.2017.08.043
Vaezi AR, Ahmadi M, Cerda A (2017) Contribution of raindrop impact to the change of soil physical properties and water erosion under semi-arid rainfalls. Science of the Total Environment 583: 382–392. https://doi.org/10.1016/j.scitotenv.2017.01.078
Vente JD, Poesen J, Verstraeten G (2005) The application of semi-quantitative methods and reservoir sedimentation rates for the prediction of basin sediment yield in Spain. Journal of Hydrology 305(1–4): 63–86. https://doi.org/10.1016/j.jhydrol.2004.08.030
Wang L, Liang T, Chong Z, et al. (2011) Effects of soil type on leaching and runoff transport of rare earth elements and phosphorous in laboratory experiments. Environmental Science and Pollution Research 18(1): 38–45. https://doi.org/10.1007/s11356-010-0357-4
Wang T, Zhu B (2011) Nitrate loss via overland flow and interflow from a sloped farmland in the hilly area of purple soil, China. Nutrient Cycling in Agroecosystems 90(3): 309–319. https://doi.org/10.1007/s10705-011-9431-7
Wang T, Zhu B, Kuang F (2012) Reducing interflow nitrogen loss from hillslope cropland in a purple soil hilly region in southwestern China. Nutrient Cycling in Agroecosystems 93(3): 285–295. https://doi.org/10.1007/s10705-012-9515-z
Wang L, Liang T, Zhang Q (2013) Laboratory experiments of phosphorus loss with surface runoff during simulated rainfall. Environmental Earth Sciences 70(6): 2839–2846. https://doi.org/10.1007/s12665-013-2344-9
Wang G, Wu B, Zhang L, et al. (2014) Role of soil erodibility in affecting available nitrogen and phosphorus losses under simulated rainfall. Journal of Hydrology 514: 180–191. https://doi.org/10.1016/j.jhydrol.2014.04.028
Wang W, Zeng C, Sardans J, et al. (2016) Amendment with industrial and agricultural wastes reduces surface-water nutrient loss and storage of dissolved greenhouse gases in a subtropical paddy field. Agriculture Ecosystems & Environment 231: 296–303. https://doi.org/10.1016/j.agee.2016.07.012
Wu X, Zhang L, Fu X, et al. (2011) Nitrogen loss in surface runoff from Chinese cabbage fields. Physics and Chemistry of the Earth 36(9–11): 401–406. https://doi.org/10.1016/j.pce.2010.11.004
Wu L, Li P, Ma X (2016) Estimating nonpoint source pollution load using four modified export coefficient models in a large easily eroded watershed of the loess hilly-gully region, China. Environmental Earth Sciences 75:1056. https://doi.org/10.1007/s12665-016-5857-1
Wu L, Qi T, Zhang J (2017a) Spatiotemporal variations of adsorbed nonpoint source nitrogen pollution in a highly erodible loess plateau watershed. Polish Journal of Environmental Studies 26(3): 1343–1352. https://doi.org/10.15244/pjoes/67974
Wu X, Wei Y, Wang J, et al. (2017b) Effects of erosion degree and rainfall intensity on erosion processes for Ultisols derived from quaternary red clay. Agriculture Ecosystems & Environment 249: 226–236. https://doi.org/10.1016/j.agee.2017.08.023
Wu L, Qiao S, Peng M, et al. (2018a) Coupling loss characteristics of runoff-sediment-adsorbed and dissolved nitrogen and phosphorus on bare loess slope. Environmental Science and Pollution Research 25(14): 14018–14031. https://doi.org/10.1007/s11356-018-1619-9
Wu L, Peng M, Qiao S, et al. (2018b) Assessing impacts of rainfall intensity and slope on dissolved and adsorbed nitrogen loss under bare loessial soil by simulated rainfalls. Catena 170: 51–63. https://doi.org/10.1016/j.catena.2018.06.007
Xie M, Zhang Z, Zhang P, et al. (2018) Law of nitrate transfer and loss in purple sloping farmland and its numerical simulation. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE) 34(19): 147–154. (In Chinese)
Xing W, Yang P, Ren S, et al. (2016) Slope length effects on processes of total nitrogen loss under simulated rainfall. Catena 139: 73–81. https://doi.org/10.1016/j.catena.2015.12.008
Xu X, Tan Y, Yang G (2013) Environmental impact assessments of the Three Gorges Project in China: Issues and interventions. Earth-Sciences Reviews 124: 115–125. https://doi.org/10.1016/j.earscirev.2013.05.007
Yan Y, Dai Q, Yuan Y, et al. (2018) Effects of rainfall intensity on runoff and sediment yields on bare slopes in a karst area, SW China. Geoderma 330: 30–40. https://doi.org/10.1016/j.geoderma.2018.05.026
Yang T, Wang Q, Wu L, et al. (2016) A mathematical model for soil solute transfer into surface runoff as influenced by rainfall detachment. Science of the Total Environment 557: 590–600. https://doi.org/10.1016/j.scitotenv.2016.03.087
Zhang Q, Shamsi IH, Wang J, et al. (2013) Surface runoff and nitrogen (N) loss in a bamboo (Phyllostachys pubescens) forest under different fertilization regimes. Environmental Science and Pollution Research 20(7): 4681–4688. https://doi.org/10.1007/s11356-012-1429-4
Zhang F, Yang M, Li B, et al. (2017) Effects of slope gradient on hydro-erosional processes on an aeolian sand-covered loess slope under simulated rainfall. Journal of Hydrology 553: 447–456. https://doi.org/10.1016/j.jhydrol.2017.08.019
Zhang B, Cui B, Zhang S, et al. (2018) Source apportionment of nitrogen and phosphorus from non-point source pollution in Nansi Lake Basin, China. Environmental Science and Pollution Research 25(19): 19101–19113. https://doi.org/10.1007/s11356-018-1956-8
Zheng H, Hu J, Huang P, et al. (2014) Comparative study of nitrogen and phosphorus through surface-flow and interflow on red soil farmland. Journal of Soil & Water Conservation 28(6): 41–45. (In Chinese)
Zheng H, Liu Z, Zuo J, et al. (2017) Characteristics of nitrogen loss through surface-subsurface flow on red soil slopes of southeast china. Eurasian Soil Science 50(12): 1506–1514. https://doi.org/10.1134/S1064229317130063
Zhou M, Zhu B, Brueggemann N, et al. (2016) Sustaining crop productivity while reducing environmental nitrogen losses in the subtropical wheat-maize cropping systems: A comprehensive case study of nitrogen cycling and balance. Agriculture Ecosystems & Environment 231: 1–14. https://doi.org/10.1016/j.agee.2016.06.022
Acknowledgements
This work was supported by the National Natural Science Foundation of China (41877065; 41471221). The authors thank the staff of the Agricultural Science Experimental Station of Zhejiang University (Changxing County, China) for help with the experiments.
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Deng, Lz., Fei, K., Sun, Ty. et al. Characteristics of runoff processes and nitrogen loss via surface flow and interflow from weathered granite slopes of Southeast China. J. Mt. Sci. 16, 1048–1064 (2019). https://doi.org/10.1007/s11629-018-5253-2
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DOI: https://doi.org/10.1007/s11629-018-5253-2