Education

Research Description

Research Associate and member of the Bio&Ag Soil and Water Management Group conducting field and simulation modeling research.

Publications

Patterns of long-term variations of nitrate concentration - Stream discharge relationships for a drained agricultural watershed in Mid-western USA

Liu, W., Tian, S., Youssef, M. A., Birgand, F. P., & Chescheir, G. M. (2022), JOURNAL OF HYDROLOGY, 614. https://doi.org/10.1016/j.jhydrol.2022.128479

Estimates of Precipitation IDF Curves and Design Discharges for Road-Crossing Drainage Structures: Case Study in Four Small Forested Watersheds in the Southeastern US

Amatya, D. M., Tian, S., Marion, D. A., Caldwell, P., Laseter, S., Youssef, M. A., … Vose, J. M. (2021), JOURNAL OF HYDROLOGIC ENGINEERING, 26(4). https://doi.org/10.1061/(ASCE)HE.1943-5584.0002052

Event-scale hysteresis metrics to reveal processes and mechanisms controlling constituent export from watersheds: A review

Liu, W., Birgand, F., Tian, S., & Chen, C. (2021). [Review of , ]. WATER RESEARCH, 200. https://doi.org/10.1016/j.watres.2021.117254

Processes and mechanisms controlling nitrate dynamics in an artificially drained field: Insights from high-frequency water quality measurements

Liu, W., Youssef, M. A., Birgand, F. P., Chescheir, G. M., Tian, S., & Maxwell, B. M. (2020), AGRICULTURAL WATER MANAGEMENT, 232. https://doi.org/10.1016/j.agwat.2020.106032

Drying–Rewetting Cycles Affect Nitrate Removal Rates in Woodchip Bioreactors

Maxwell, B. M., Birgand, F., Schipper, L. A., Christianson, L. E., Tian, S., Helmers, M. J., … Youssef, M. A. (2019), Journal of Environment Quality, 48(1), 93. https://doi.org/10.2134/jeq2018.05.0199

Impacts on soil nitrogen availability of converting managed pine plantation into switchgrass monoculture for bioenergy

Cacho, J. F., Youssef, M. A., Shi, W., Chescheir, G. M., Skaggs, R. W., Tian, S., … Arellano, C. (2019), SCIENCE OF THE TOTAL ENVIRONMENT, 654, 1326–1336. https://doi.org/10.1016/j.scitotenv.2018.11.133

Increased Duration of Drying–Rewetting Cycles Increases Nitrate Removal in Woodchip Bioreactors

Maxwell, B. M., Birgand, F., Schipper, L. A., Christianson, L. E., Tian, S., Helmers, M. J., … Youssef, M. A. (2019), Agricultural & Environmental Letters, 4(1). https://doi.org/10.2134/ael2019.07.0028

Microtopography-induced transient waterlogging affects switchgrass (Alamo) growth in the lower coastal plain of North Carolina, USA

Tian, S., Fischer, M., Chescheir, G. M., Youssef, M. A., Cacho, J. F., & King, J. S. (2018), GLOBAL CHANGE BIOLOGY BIOENERGY, 10(8), 577–591. https://doi.org/10.1111/gcbb.12510

Switchgrass growth and pine-switchgrass interactions in established intercropping systems

Tian, S., Cacho, J. F., Youssef, M. A., Chescheir, G. M., Fischer, M., Nettles, J. E., & King, J. S. (2017), GLOBAL CHANGE BIOLOGY BIOENERGY, 9(5), 845–857. https://doi.org/10.1111/gcbb.12381

Water Quality Effects of Switchgrass Intercropping on Pine Forest in Coastal North Carolina

Muwamba, A., Amatya, D. M., Chescheir, G. M., Nettles, J. E., Appelboom, T., Ssegane, H., … Tian, S. (2017), Transactions of the ASABE, 60(5), 1607–1620. https://doi.org/10.13031/trans.12181

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Grants

Town of Windsor Flood Reduction Feasibility Study

Bertie County(6/01/17 - 6/30/18)

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Town of Windsor Flood Reduction Feasibility Study

Sponsor: Bertie County

Start Date: 6/01/17

End Date: 6/30/18

Abstract

The Town of Windsor has recently experienced severe flooding from several large hurricane and tropical storm events that has resulted in substantial structural flooding and associated damage. The town is actively mitigating the damage through buyout and retrofitting programs. However, due to the historic significance of the town combined with serving as the economic center of Bertie County, there is also a strong desire to protect the future of the town by reducing the frequency and magnitude of future flood events. This proposal outlines a flood reduction feasibility study that is intended to identify appropriate engineering options and best management practices targeted at reducing runoff and surface flow reaching the Cashie River from the watershed and its tributaries and for reducing the direct flow of water into the town during river flooding events. The study will help Windsor and Bertie County to prioritize appropriate approaches for reducing flooding.

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