Dr. Yi Jun Xu

Dr. Jun Xu
Professor of Hydrology

Room 220, RNR Building
Baton Rouge, LA 70803

phone: (225)578-4168
email: yjxu@lsu.edu


Adjunct Faculty in
Department of Environmental Studies

EDUCATION
  • B.S. in Forestry (Soil Chemistry), Beijing Forestry University, China, 1982
  • M.S. in Soils and Silviculture, University of Göttingen, Germany, 1987
  • Ph.D. in Soils and Hydrology, University of Göttingen, Germany, 1991
RESEARCH INTERESTS
  • Hydrologic and biogeochemical processes and modeling
  • Riverine nutrient and sediment transport
  • Impacts of land use and global climate change on hydrologic and biogeochemical cycles
  • GIS/RS applications in water resources
COURSES DEVELOPED and TAUGHT
  • RNR 4061 – Independent Study on 1)Stream & River Hydrology, 2)Coastal Geomorphology, and 3)Riverine Sediment Transport
  • RNR 4151 – Hydrology of Natural Landscapes
  • RNR 4900 / ENVS 4900 – Watershed Hydrology
  • RNR 7003 – Graduate Seminar – Watershed Science and Water Resources
  • RNR 7029 – Special Topics on Global Change and Biogeochemical Cycles
  • RNR 7061 / ENVS 7061 – Water Quality Management and Policy
  • RNR 7151 / ENVS 7151 – Watershed Hydrology and Floodplain Analysis
SYNERGISTIC ACTIVITIES
International conferences organized
  • Chair: "ICCE/IAHS 2014 Symposium - Sediment Dynamics from Summit to the Sea," December 11 - 14, 2014, New Orleans, USA.
  • Steering committee member for: “The 5th International Symposium on Water Resources and Sustainable Development (CIREDD'3),” February 2013, Algiers, Algeria.
  • Steering committee member for: “The 4th International Symposium on Water Resources and Sustainable Development (CIREDD'4),” February 2011, Algiers, Algeria
  • Co-organized and chaired (with Prof. Vijay P. Singh): “The International Conference on Challenges in Coastal Hydrology and Water Quality,” May 2006, USA.
Proposal review
  • Ad hoc proposal reviewer for NSF, NASA, USGS, USDA CSREES, USDA Forest Service, EPA, NOAA, Texas Sea Grant College Program, Wisconsin Sea Grant College Program
  • Proposal review panelist for CSREES (2008, 2009), NSF (2009, 2011, 2012, 2013, 2014, 2015), Mid-Atlantic Sea Grant programs (2013)
Journal editorship
  • Associate Editor, PLos One, 2016 – present
  • Associate Editor, Journal of Arabian Geosciences, 2016 – present
  • Associate Editor, Water, 2012 – present
  • Associate Editor, Journal of the American Water Resources Association, 2010 – 2012
  • Associate Editor, Journal of Hydrologic Engineering, 2006-2008
  • Assistant to Editor in Chief, Journal of Hydrologic Engineering, 2004-2006
SEELCTED PUBLICATIONS
Books
  • Xu, Y.J., M.A Allison, S.J. Bentley, A.L. Collins, W.D. Erskine, V. Golosov, A.J. Horowitz, and M. Stone (eds.). 2014. Sediment Dynamics from the Summit to the Sea, IAHS Publication 367, Wallingford, UK, 470pp (ISSN 0144-7815).
  • Xu, Y. J. and V. P. Singh (eds). 2006. Coastal Environment and Water Quality. 519pp. Water Resources Publications LLC, Highlands Ranch, Colorado, USA. (ISBN 1-887201-47-5)
  • Singh, V. P. and Y. J. Xu (eds). 2006. Coastal Hydrology and Processes. 509pp. Water Resources Publications LLC, Highlands Ranch, Colorado, USA. (ISBN 1-887201-46-7)
Book Chapters
  • Xu, Y. J. 2014. Rethinking the Mississippi River diversion for effective capture of riverine sediments. In Xu, Y.J., Allison, M.A., Bentley, S.J., Collins, A.L., Erskine W.D., Golosov, V, Horowitz, A.J., and Stone, M, (eds.): Sediment Dynamics from the Summit to the Sea, p463-470, IAHS Publication 367, Wallingford, UK. doi:10.5194/piahs-367-463-2015.
  • Rosen, T., Y.J. Xu, Z. Ma, and X. Xu. 2013. What can we learn from recent development of the Atchafalaya River Delta, USA and the Yellow River Delta, China? In Y. Gorden and G. Perillo (ed.): Deltas: Landforms, Ecosystems and Human Activities, p209-217, IAHS Publication 358, Wallingford, UK.
  • Xu, Y. and R. Mesmer. 2013. The dynamics of dissolved oxygen and metabolic rates in a shallow subtropical urban lake, Louisiana, USA. In A. Berit (ed.): Understanding Freshwater Quality Problems in A Changing World, p212-219, IAHS Publication 361, Wallingford, UK.
  • Xu, Y.J. and A. BryantMason. 2011. Determining the nitrate contribution of the Red River to the Atchafalaya River in the northern Gulf of Mexico under changing climate. In J. Peters (ed.): Water Quality: Current Trends and Expected Climate Change Impacts, p95-100, IAHS Publication 348, Wallingford, UK.
  • Xu, Y.J. 2010. Long-term sediment transport and delivery of the largest distributary of the Mississippi River, the Atchafalaya, USA. In K. Banasik, A. Horowitz, P.N. Owens, M. Stone, and D.E. Walling (eds.): Sediment Dynamics for a Changing Future, p282-290, IAHS Publication 337, Wallingford, UK.
  • Xu, Y.J., K. Wu and V. P. Singh. 2006. Hydrological sensitivity of coastal watersheds in the northern Gulf of Mexico to climate change. In V. J. Singh & Y. J. Xu (eds.): Coastal Hydrology and Processes, p71-88, Water Resources Publications, LLC, Highlands Ranch, CO, USA.
Special Journal Issues Guest-Edited
  • Xu, Y.J., G. Zhang, and H. Li (eds). 2016. Tackling Complex Water Problems in China under Changing Environment. Water (with 37 articles).
  • Xu, Y.J., N. Lam, and K.B. Liu (eds). 2015. Resilience and Sustainability of the Mississippi River Delta as a Coupled Natural-Human System. Water (with 13 articles).
Journal Articles Selected from the Past 10 Years (out of a total of 100+)
2016
  • He, S. and Y.J. Xu. 2016. Spatiotemporal Distributions of Sr and Ba along an Estuarine River with a Large Salinity Gradient to the Gulf of Mexico. Water doi: 10.3390/w8080323.
  • Li, F., G. Zhang and Y.J. Xu. 2016. Assessing Climate Change Impacts on Water Resources in the Songhua River Basin. Water doi:10.3390/w8100420.
  • Liu, Y., X. Jiang, G. Zhang, Y.J. Xu, X. Wang, and P. Qi. 2016. Assessment of Shallow Groundwater Recharge from Extreme Rainfalls in the Sanjiang Plain, Northeast China. Water doi: 10.3390/w8100440.
  • Wang, B. and Y.J. Xu. 2016. Geomorphic response to flow regulation and bank revetment in a 10–km reach downstream of the Mississippi – Atchafalaya River diversion. Journal of Hydrology: Regional Studies 8: 10-25.
  • Wang, X., G. Zhang, and Y.J. Xu. 2016. Groundwater and Surface Water Availability via a Joint Simulation with a Double Control of Water Quantity and Ecologically Ideal Shallow Groundwater Depth: A Case Study on the Sanjiang Plain, Northeast China. Water doi: 10.3390/w8090396.
  • Wu, S., H. Cheng, Y.J. Xu, J. Li, S. Zheng and W. Xu. 2016. Riverbed Micromorphology of the Yangtze River Estuary, China. Water doi:10.3390/w8050190.
  • Wu, S. H. Cheng, Y.J. Xu, J. Li, S. Zheng. 2016. Decadal changes in bathymetry of the Yangtze River Estuary: Human impacts and potential saltwater intrusion. Estuarine, Coastal and Shelf Science doi:10.1016/j.ecss.2016.10.002.
  • Wu, Y., G. Zhang, H. Shen, Y.J. Xu, and B. Bake. 2016. Attribute Analysis of Aridity Variability in North Xinjiang, China. Advances in Meteorology doi:10.1155/2016/9610960.
  • Xu, Z. and Y.J. Xu. 2016. A deterministic model for predicting hourly dissolved oxygen change: Development and application to a shallow eutrophic lake. Water doi: 10.3390/w8020041.
2015
  • He, S. and Y.J. Xu. 2015. Three decadal inputs of nitrogen and phosphorus from four major coastal rivers to the summer hypoxic zone of the Northern Gulf of Mexico. Water, Air, & Soil Pollution, DOI 10.1007/s11270-015-2580-6.
  • He, S. and Y.J. Xu. 2015. Three decadal inputs of total organic carbon from four major coastal river basins to the summer hypoxic zone of the Northern Gulf of Mexico. Marine Pollution Bulletin 90: 121-128.
  • Joshi, S. and Y.J. Xu. 2015. Assessment of suspended sand availability under different flow conditions of the Lowermost Mississippi River at Tarbert Landing during 1973 – 2013. Water doi: 10.3390/w7126672.
  • Rosen, T. and Y.J. Xu. 2015. Estimation of sedimentation rates in the distributary basin of the Mississippi River, the Atchafalaya River Basin, USA. Hydrology Research 46: 244-257.
  • Wang, B. and Y.J. Xu. 2015. Sediment trapping by emerged channel bars in the Lowermost Mississippi River during a major flood. Water 7:6079-6096.
  • Wang, X., G. Zhang, Y.J. Xu. 2015. Impacts of the 2013 extreme flood in Northeast China on regional groundwater depth and quality. Water 7:4575-4592.
  • Wang, X., G. Zhang, Y.J. Xu, and X. Shan. 2015. Defining an ecologically ideal shallow groundwater depth for regional sustainable management: Conceptual development and case study on the Sanjiang Plain, Northeast China. Water, DOI:10.3390/w7073997
  • Wang, X., G. Zhang, Y.J. Xu, and G. Sun. 2015. Identifying the regional-scale groundwater-surface water interaction on the Sanjiang Plain, Northeast China. Environmental Science and Pollution Research, DOI:10.1007/s11356-015-4914-8.
  • Xu, Z. and Y.J. Xu. 2015. Rapid field estimation of biochemical oxygen demand in a subtropical eutrophic urban lake with chlorophyll a fluorescence. Environmental Monitoring and Assessment, DOI 10.1007/s10661-014-4171-1.
2014
  • Li, F., G. Zhang, and Y.J. Xu. 2014. Separating the impacts of climate variation and human activities on runoff in the Songhua River Basin, Northeast China. Water 6:3320-3338.
  • Li, F., G. Zhang, and Y.J. Xu. 2014. Spatiotemporal variability of climate and streamflow in the Songhua River Basin, Northeast China. Journal of Hydrology 514:53-64.
  • Rosen, T. and Y.J. Xu. 2014. A hydrograph-based sediment availability assessment: Implications for Mississippi River sediment diversion. Water 6:564-583.
  • Zhong, B. and Y.J. Xu. 2014. Predicting climate change effects on surface soil organic carbon of Louisiana, USA. Environmental Monitoring and Assessment 186:6169–6192.
  • Wang, X., G. Zhang, and Y.J. Xu. 2014. Spatiotemporal groundwater recharge estimation for the largest rice production region in Sanjiang Plain, Northeast China. Journal of Water Supply: Research and Technology, doi: 10.2166/aqua.2014.024
2013 - 2006
  • BryantMason, A., Y. J. Xu, and M. Altabet. 2013. Limited capacity of river corridor wetlands to remove nitrate - A case study on the Atchafalaya River Basin during the 2011 Mississippi River Flooding. Water Resources Research, doi:10.1029/2012WR012185.
  • BryantMason, A., and Y. J. Xu. 2012. The record 2011 spring flood of the Mississippi River - How much nitrate was exported from its largest distributary, the Atchafalaya River, into the Gulf of Mexico? Journal of Hydrologic Engineering, DOI: 10.1061/(ASCE)HE.1943-5584.0000660.
  • BryantMason, A., Y. J. Xu, and M. Altabet. 2012. Isotopic signature of nitrate in river waters of the lower Mississippi and its distributary, the Atchafalaya. Hydrological Processes, DOI: 10.1002/hyp.9420.
  • Chen, Y., G. Zhang, Y. J. Xu, and Z. Huang. 2013. Changes in root-zone salt content and rice growth on saline-sodic soils across a salinity gradient under different irrigation schedules. Journal of Food, Agriculture, and Environment 11:1499-1505
  • DaSilva, A., Y. J. Xu, J. Beebe, and G. Ice. 2013. Effects of timber harvesting on dissolved oxygen in a northern Louisiana headwater stream. Forest Science 59: 127-138.
  • DaSilva, A., Y. J. Xu, G. Ice, J. Beebe, and R. Stich. 2013. Effects of timber harvesting with best management practices on ecosystem metabolism of a low gradient stream on the United States Gulf Coastal Plain. Water 5: 747-766.
  • Dong, L.Q., G. X. Zhang, and Y. J. Xu. 2012. Effects of climate change and human activities on runoff in the Nenjiang River Basin, Northeast China. Hydrology and Earth Science Systems, doi:10.5194/hessd-9-11521-2012.
  • Feng, Z., R. Brumme, Y.J. Xu, and N. Lamersdorf. 2008. Tracing the fate of mineral N compounds under high ambient N deposition in a Norway spruce forest at Solling/Germany. Forest Ecology and Management 255:2061-2073.
  • Rosen, T., and Y.J. Xu. 2013. Recent decadal growth of the Atchafalaya River Delta complex: effects of variable riverine sediment input and vegetation succession. Geomorphology, 10.1016/j.geomorph.2013.04.020.
  • Rosen, T. and Y. J. Xu. 2011. Riverine sediment inflow to Louisiana Chenier Plain in the Northern Gulf of Mexico. Estuarine, Coastal and Shelf Science, doi:10.1016/j.ecss.2011.09.013.
  • Wang, F., Y.J. Xu, and T. Dean. 2011. Projecting climate change effects on forest net primary productivity in subtropical Louisiana, USA. Ambio DOI 10.1007/s13280-011-0135-7.
  • Wang, F. and Y.J. Xu. 2010. Comparison of remote sensing change detection techniques for assessing hurricane damage to forests. Environmental Monitoring and Assessment 162: 311-326.
  • Wang, F. and Y.J. Xu. 2009. Hurricane Katrina-induced forest damage in relation to ecological factors at landscape scale. Environmental Monitoring and Assessment 156: 491-507.
  • Wang, F. and Y.J. Xu. 2008. Development and application of a remote sensing-based salinity prediction model for a large estuarine lake in the US Gulf of Mexico coast. Journal of Hydrology 360: 184-194.
  • Wu, K. and Y. J. Xu. 2007. Long-term freshwater and sediment input to Lake Pontchartrain in Louisiana, USA. Hydrological Sciences Journal 52(1):166-179.
  • Wu, K. and Y. J. Xu. 2006. Evaluation of the applicability of the SWAT model for coastal watersheds in southeastern Louisiana. Journal of the American Water Resources Association 42(5):1247-1260.
  • Xu, Y.J. 2013. Transport and retention of nitrogen, phosphorus, and carbon in North America’s largest river swamp basin, the Atchafalaya River Basin. Water 5:379-393; doi: 10.3390/w5020379.
  • Xu, Y. J. 2006. Total nitrogen inflow and outflow from a large river swamp basin to the Gulf of Mexico. Hydrological Sciences Journal 51(3):531-542.
  • Xu, Y.J. 2006. Organic nitrogen retention in the Atchafalaya River Swamp. Hydrobiologia 560 (1):133-143.
  • Xu, Y. J. and K. Wu. 2006. Seasonality and interannual variability of freshwater inflow to a large oligohaline estuary in the Northern Gulf of Mexico. Estuarine, Coastal and Shelf Science 68 (3-4):619-626.
  • Zhong, B., and Y.J. Xu. 2011. Scale effects of geographical soil datasets on soil carbon estimation in Louisiana, USA – A comparison of STATSGO and SSURGO. Pedosphere 21: 491-501.
  • Zhong, B. and Y. J. Xu. 2011. Risk of inundation to coastal wetlands and soil organic carbon and organic nitrogen accounting in Louisiana, USA. Environmental Science & Technology 45: 8241-8246.
  • Zhong, B. and Y.J. Xu. 2009. Topographic effects on soil organic carbon in Louisiana watersheds. Environmental Management 43: 662-672.
PROFESSIONAL AFFILIATIONS
  • American Geophysical Union
  • American Water Resources Association
  • International Association of Hydrological Sciences