@article{mojarrad_effect_2019,
	title = {The {Effect} of {Stream} {Discharge} on {Hyporheic} {Exchange}},
	volume = {11},
	issn = {2073-4441},
	url = {https://www.mdpi.com/2073-4441/11/7/1436},
	doi = {10.3390/w11071436},
	abstract = {Streambed morphology, streamflow dynamics, and the heterogeneity of streambed sediments critically controls the interaction between surface water and groundwater. The present study investigated the impact of different flow regimes on hyporheic exchange in a boreal stream in northern Sweden using experimental and numerical approaches. Low-, base-, and high-flow discharges were simulated by regulating the streamflow upstream in the study area, and temperature was used as the natural tracer to monitor the impact of the different flow discharges on hyporheic exchange fluxes in stretches of stream featuring gaining and losing conditions. A numerical model was developed using geomorphological and hydrological properties of the stream and was then used to perform a detailed analysis of the subsurface water flow. Additionally, the impact of heterogeneity in sediment permeability on hyporheic exchange fluxes was investigated. Both the experimental and modelling results show that temporally increasing flow resulted in a larger (deeper) extent of the hyporheic zone as well as longer hyporheic flow residence times. However, the result of the numerical analysis is strongly controlled by heterogeneity in sediment permeability. In particular, for homogeneous sediments, the fragmentation of upwelling length substantially varies with streamflow dynamics due to the contribution of deeper fluxes.},
	language = {en},
	number = {7},
	urldate = {2019-07-30},
	journal = {Water},
	author = {Mojarrad, Brian Babak and Betterle, Andrea and Singh, Tanu and Olid, Carolina and Wörman, Anders},
	month = jul,
	year = {2019},
	keywords = {\#nosource},
	pages = {1436},
}

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Low-, base-, and high-flow discharges were simulated by regulating the streamflow upstream in the study area, and temperature was used as the natural tracer to monitor the impact of the different flow discharges on hyporheic exchange fluxes in stretches of stream featuring gaining and losing conditions. A numerical model was developed using geomorphological and hydrological properties of the stream and was then used to perform a detailed analysis of the subsurface water flow. Additionally, the impact of heterogeneity in sediment permeability on hyporheic exchange fluxes was investigated. Both the experimental and modelling results show that temporally increasing flow resulted in a larger (deeper) extent of the hyporheic zone as well as longer hyporheic flow residence times. However, the result of the numerical analysis is strongly controlled by heterogeneity in sediment permeability. In particular, for homogeneous sediments, the fragmentation of upwelling length substantially varies with streamflow dynamics due to the contribution of deeper fluxes.","language":"en","number":"7","urldate":"2019-07-30","journal":"Water","author":[{"propositions":[],"lastnames":["Mojarrad"],"firstnames":["Brian","Babak"],"suffixes":[]},{"propositions":[],"lastnames":["Betterle"],"firstnames":["Andrea"],"suffixes":[]},{"propositions":[],"lastnames":["Singh"],"firstnames":["Tanu"],"suffixes":[]},{"propositions":[],"lastnames":["Olid"],"firstnames":["Carolina"],"suffixes":[]},{"propositions":[],"lastnames":["Wörman"],"firstnames":["Anders"],"suffixes":[]}],"month":"July","year":"2019","keywords":"#nosource","pages":"1436","bibtex":"@article{mojarrad_effect_2019,\n\ttitle = {The {Effect} of {Stream} {Discharge} on {Hyporheic} {Exchange}},\n\tvolume = {11},\n\tissn = {2073-4441},\n\turl = {https://www.mdpi.com/2073-4441/11/7/1436},\n\tdoi = {10.3390/w11071436},\n\tabstract = {Streambed morphology, streamflow dynamics, and the heterogeneity of streambed sediments critically controls the interaction between surface water and groundwater. The present study investigated the impact of different flow regimes on hyporheic exchange in a boreal stream in northern Sweden using experimental and numerical approaches. Low-, base-, and high-flow discharges were simulated by regulating the streamflow upstream in the study area, and temperature was used as the natural tracer to monitor the impact of the different flow discharges on hyporheic exchange fluxes in stretches of stream featuring gaining and losing conditions. A numerical model was developed using geomorphological and hydrological properties of the stream and was then used to perform a detailed analysis of the subsurface water flow. Additionally, the impact of heterogeneity in sediment permeability on hyporheic exchange fluxes was investigated. Both the experimental and modelling results show that temporally increasing flow resulted in a larger (deeper) extent of the hyporheic zone as well as longer hyporheic flow residence times. However, the result of the numerical analysis is strongly controlled by heterogeneity in sediment permeability. In particular, for homogeneous sediments, the fragmentation of upwelling length substantially varies with streamflow dynamics due to the contribution of deeper fluxes.},\n\tlanguage = {en},\n\tnumber = {7},\n\turldate = {2019-07-30},\n\tjournal = {Water},\n\tauthor = {Mojarrad, Brian Babak and Betterle, Andrea and Singh, Tanu and Olid, Carolina and Wörman, Anders},\n\tmonth = jul,\n\tyear = {2019},\n\tkeywords = {\\#nosource},\n\tpages = {1436},\n}\n\n\n\n","author_short":["Mojarrad, B. 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