Group

Jing Yan

Experience

  • Soil and Environmental Physics Lab at UC Merced
    • Postdoctoral Fellow
      2017 - present
  • Environmental Soil Physics Lab at University of Delaware
    • Research Assistant
      2010 - 2017
  • Key Lab of Western China’s Environmental Systems at Lanzhou University
    • Research Assistant
      2008 - 2010

Education

  • University of Delaware
    PhD, Plant and Soil Sciences,
    2010 - 2016
  • Lanzhou University, Lanzhou, China
    BE, Environmental Engineering
    2009

Research Experience

Postdoctoral Scholar, Soil and Environmental Physics Lab at University of California, Merced, May. 2017 ~ present

Hydraulic Redistribution and Nutrient Uptake in Rhizosphere

  • Explore the utilization of hydraulic redistribution to facilitate nutrient extraction and uptake from resource segregated zone in the soil
  • Investigate the mechanisms of water, nutrient movement, and transport in rhizosphere by using experimental tools and mathematical modeling
  • Lead a 6-member research team, contribute to the proposal development of following research

Mobilization and Transport of Pyrogenic Organic Matter after Wildfires

  • Investigate the mechanisms of transport and retention of pyrogenic organic matter in wildfires-disturbing soil and freshwater streams across different ecosystems
  • Collaborative proposal granted by University of California, Merced

Research Assistant, Environmental Soil Physics Lab at University of Delaware, Newark, DE, Sep. 2010 ~ Apr. 2017

Soil Colloid Mobilization under Different Redox Conditions at Laboratory and Field Scales

  • Systematically studied coupling effects of DOM and redox conditions on soil colloid release
  • Identified key processes and mechanisms controlling organo-mineral interactions in colloidal phase under varying redox conditions
  • Examined carbon cycles pertaining to colloid release and transport in wetland surface and subsurface flows
  • Generated preliminary results that contributed to the successful application of a $400K USDA project Quantification/Composition Analysis of Small Mobile Natural Colloids from Different Aquatic Ecosystems
  • Developed innovative methodology to quantify colloids in size fraction of < 0.1, 0.1-0.45, 0.45-1.0 µm
  • Quantification and characterization of operationally neglected fraction of colloids and colloidal organic carbon in size fraction of < 0.45 µm
  • Identified the spatial-temporal hotspots that promoting mobilization and transport of colloidal organic carbon or phosphorous
  • Examined the impacts of water chemistry and hydrology on colloid mobility and stability
  • Led a 3-member research team, responsible for project planning, decision making and task assigning

Research Assistant, Key Lab of Western China’s Environmental Systems at Lanzhou University, Lanzhou, China, Dec. 2008 ~ July 2010

Heavy Metal Accumulation in Plants Grown in Hexi Corridor, China

  • Examined Cd, Pb uptake and its effect on plant growth and yield

Palaeoenvironmental and Palaeoclimatic Changes in Qarhan paleolake, Qaidam Basin, China

  • Determined organic matter content of lake sediment core
  • Investigated lake productivity and reconstructed palaeoenvironmental conditions

Investigation and Analysis of Industrial Solid Waste and Surface Water Pollution Management in Lanzhou, China

  • Investigated the pollution of industrial solid waste, domestic and industrial wastewater
  • Modeled the solid waste and wastewater production and designed waste management plans

Skills

Laboratory

  • Characterization of soil physical properties, i.e. soil texture, water retention characteristics
  • Plant cultivation, plant roots and rhizosphere analysis
  • Colloid extraction and size fractionation from soil and natural water samples using ultracentrifugation, micro- or ultra-filtration, tangential flow filtration
  • Column packing and transport experiments
  • Soil and aquatic particle characterization: Dynamic Light Scattering, Laser Diffraction size analyzer, Zeta potential analyzer, ICP-OES/MS, FTIR, UV-Vis, XRD, stable isotope measurement, total organic carbon analyzer, colorimetric analyses

Field

  • Soil sampling and field characterization
  • Sampling well installation and special technique in natural colloid sampling
  • Extensive experience in soil and water sampling in field sites under anoxic conditions

Software

  • Origin Graphing and Analysis, Adobe Photoshop, Adobe Illustrator
  • SPSS, JMP, R for data and statistical analyses

Teaching Experience

Guest Lecturer, Earth Systems Science, University of California, Merced, Fall 2017 and Fall 2018

  • Taught undergraduate level course independently on chapter of Hydrologic Cycle and Water Budget in Hydrology and Climate
  • Mentored multiple undergraduate students on experimental design and performance

Teaching Assistant, Department of Plant and Soil Sciences, University of Delaware, Spring 2016

  • Taught graduate level course independently on chapter of Soil Temperature and Heat Flow in Environmental Soil Physics (PLSC 603)
  • Mentored multiple visiting scholars on course planning, organizing and presentation skills

Scholarhsips, Honors and Awards

  • 2018-2019 Interdisciplinary Small Grants Program, University of California, Merced July 2018
  • Professional Development Award, University of Delaware Apr. 2014, Dec. 2015
  • Top 10 Pitch, Pitch: 90 Elevator Pitch Contest, University of Delaware Nov. 2015
  • Second Place in Research Poster Presentation Award, Delaware Environmental Institute (DENIN) Graduate Student Research Symposium, University of Delaware Oct. 2015
  • Young Scientists Travel Award, European Geosciences Union Jan. 2014
  • Excellent Student Senator, Lanzhou University Oct. 2008
  • Third-Level Scholarship, Lanzhou University Sep. 2007, 2008
  • Prominent Group in Summer Research Practice, Lanzhou University Oct. 2007
  • Excellent Membership of Student Association, Lanzhou University Dec. 2006
  • Second-Level Scholarship, Lanzhou University Sep. 2006

Publications

  1. Jing Yan, Teamrat Ghezzehei, “Roots bridge water to nutrients: a novel approach on nutrient loss reduction,” In preparation.
  2. Jing Yan, Ronald Manelski, Bruce Vasilas, Yan Jin, “Colloid Mobilization and its Effects on Biogeochemical Cycling of Organic Carbon in Wetlands with Different Hydroperiods,” In preparation.
  3. Jing Yan, Deb Jaisi, Yan Jin, “Spatial-temporal Investigation of Natural Colloids and Colloidal Inorganic Phosphorus in the Chesapeake Bay,” In preparation.
  4. Mohammad Zafar Afsar, Jing Yan, Yan Jin, “Mobilization and Release of Organic Matter from Soil Column under Redox Oscillation Condition,” To be submitted soon.
  5. Jing Yan, Ronald Manelski, Bruce Vasilas, Yan Jin, “Mobile Colloidal Organic Carbon: an Underestimated Carbon Pool in Global Carbon Cycles?” Submitted under review.
  6. Jing Yan, Xia Meng, Yan Jin, “Size-dependent Turbidimetric Quantification of Soil Colloids,” Vadose Zone Journal, 2017, 16(5). DOI: 10.2136/vzj2016.10.0098.
  7. Jing Yan, Volha Lazouskaya, Yan Jin, “Soil Colloid Release Affected by DOM under Different Redox Conditions,” Vadose Zone Journal, 2016, 15(3). DOI: 10.2136/vzj2015.02.0026.
  8. Dengjun Wang, Deb P. Jaisi, Jing Yan, Yan Jin, Dongmei Zhou, “Transport and Retention of Polyvinylpyrrolidone-coated Silver Nanoparticles in Natural Soils,” Vadose Zone Journal, 2015, 14(7). DOI: 10.2136/vzj2015.01.0007.
  9. Heyong Zhu, Taibao Yang, Biao Zeng, Jing Yan, “Current Pollution and Control Countermeasures of Industrial Solid Waste in Lanzhou,” Safety and Environmental Engineering, 2011, 18(4), pp. 77-80. (In Chinese)
  10. Xiuna Wang, Taibao Yang, Jing Yan, Shan Jiang, Qingsen Jin, “Characteristic analysis and prediction for water pollution in Lanzhou City,” Water Resources Protection, 2011, 27(6), pp. 32-35. (In Chinese)
  11. Jing Yan, Taibao Yang, “The Preliminary Pollution Investigation and Control on Surface Drinking Water in Lanzhou,” The Doctoral Forum of China on Earthquake Disasters Environment Research and Sustainable Development in Western China, pp. 395-398, 2008. (In Chinese)
  12. Yilin Wang, Taibao Yang, Jing Yan, “The Pollution Control Countermeasures of Industrial Solid Waste of Lanzhou,” The Doctoral Forum of China on Earthquake Disasters Environment Research and Sustainable Development in Western China, pp. 403-407, 2008. (In Chinese)

Presentations

  1. [Poster] Jing Yan, Teamrat Ghezzehei, “Roots bridge water to nutrients: a novel approach on nutrient loss reduction,” European Geosciences Union, 2018 Annual Meeting, Vienna, Austria, Apr. 8-13, 2018.
  2. [Poster] Mohammad Zafar Afsar, Jing Yan, Yan Jin, “Colloid Mobilization and Biogeochemical Cycling of Organic Carbon in Wetlands,” Project Director’s meeting for USDA National Institute of Food and Agriculture (NIFA) programs related to Water and Agroecosystems (NIWQP and AFRI PD’s Meeting), Arlington, VA, Jan 30, 2018.
  3. [Oral] Jing Yan, Teamrat Ghezzehei, “Roots Bridge Water to Nutrients: a Study of Utilizing Hydraulic Redistribution through Root Systems to Extract Nutrients in the Dry Soils,” Annual Meeting of the W-3188 Multi-State Research Project: Soil, Water, and Environmental Physics across Scales, Las Vegas, NV, Jan. 2-3, 2017.
  4. [Oral] Jing Yan, Teamrat Ghezzehei, “Roots Bridge Water to Nutrients: a Study of Utilizing Hydraulic Redistribution through Root Systems to Extract Nutrients in the Dry Soils,” American Geophysical Union, Fall Meeting, New Orleans, LA, Dec. 11-15, 2017.
  5. [Oral] Yan Jin, Mohammad Afsar, Jing Yan, “Quantification and Characterization of Colloidal Organic Carbon Released Under Oscillating Water Content and Redox Conditions,” Soil Science Society of America International Annual Meeting, Tampa, FL, Oct. 22-25, 2017.
  6. [Oral] Jing Yan, Ronald Manelski, Bruce Vasilas, Yan Jin, “Dynamic Release and Transport of Colloids and Colloidal Organic Carbon in a Seasonally Saturated Wetland,” Annual Meeting of the W-3188 Multi-State Research Project: Soil, Water, and Environmental Physics across Scales, Las Vegas, NV, Jan. 2-4, 2017.
  7. [Poster] Jing Yan, Ronald Manelski, Bruce Vasilas, Yan Jin, “Dynamic Release and Transport of Colloids and Colloidal Organic Carbon in a Seasonally Saturated Wetland,” American Geophysical Union, Fall Meeting, San Francisco, CA, Dec. 12-16, 2016.
  8. [Oral] Ronald Manelski, Bruce Vasilas, Yan Jin, Jing Yan, “Bridging the Scale: Connecting the Colloid Scale to Hydrodynamic Characteristics,” Soil Science Society of America International Annual Meeting, Phoenix, AZ, Nov. 6-9, 2016.
  9. [Poster] Jing Yan, Xia Meng, Yan Jin, “Size-dependent Turbidimatric Quantification of Mobile Colloids in Field Samples,” American Geophysical Union, Fall Meeting, San Francisco, CA, Dec. 14-18, 2015.
  10. [Oral] Mohammad Zafar Afsar, Jing Yan, Yan Jin, “Mobilization and Release of Colloidal Carbon from a Soil Column under Redox Oscillation Condition,” American Geophysical Union, Fall Meeting, San Francisco, CA, Dec. 14-18, 2015.
  11. [Poster] Jing Yan, Xia Meng, Yan Jin, “Size-based Fractionation and Quantification of Mobile Colloids and Colloidal Organic Carbon in Field Samples,” Soil Science Society of America International Annual Meeting, Minneapolis, MN, Nov. 15-18, 2015.
  12. [Oral] Jing Yan, “Soil Carbon Stabilization and its Impacts on Global Climate Change” The Pitch: 90 Elevator Pitch Contest, University of Delaware, Newark, DE, Nov. 12, 2015.
  13. [Poster] Jing Yan, Xia Meng, Yan Jin, “Size Fractionation and Quantification of Mobile Colloids and Organic Carbon in Field Samples,” DENIN Graduate Student Research Symposium, University of Delaware, Newark, DE, Oct. 8, 2015.
  14. [Oral] Jing Yan, “Soil Colloid and Colloid-facilitated Transport of Contaminants” The Pitch: 90 Elevator Pitch Contest, University of Delaware, Newark, DE, Nov. 12, 2014.
  15. [Invited Oral] Yan Jin, Jing Yan, “Soil Colloid Release and Stability Affected by Redox Conditions and Dissolved Organic Matter,” Chinese Soil Physics Annual Conference, Guilin, China, Aug. 8-10, 2014.
  16. [Poster] Jing Yan, Ronald Manelski, Bruce Vasilas, Yan Jin, “Investigation of Colloid Mobilization and Biogeochemical Cycling of Organic Carbon, Nitrogen and Phosphorous in Wetlands,” Project Director’s meeting for USDA National Institute of Food and Agriculture (NIFA) programs related to Water and Agroecosystems (NIWQP and AFRI PD’s Meeting), Arlington, VA, Oct 29-31, 2014.
  17. [Oral] Jing Yan, Volha Lazouskaya, Yan Jin, “Quantification and Composition Analysis of Small Mobile Colloids from Different Aquatic Ecosystem,” European Geosciences Union General Assembly, Vienna, Austria, Apr. 27-May 2, 2014.
  18. [Oral] Jing Yan, Volha Lazouskaya, Yan Jin, “Soil Colloid Release and Stability Affected By DOM under Different Redox Conditions,” Soil Science Society of America International Annual Meeting, Tampa, FL, Nov. 3-6, 2013.
  19. [Poster] Jing Yan, Volha Lazouskaya, Yan Jin, “Soil Colloid Release and Stability Affected by DOM under Different Redox Conditions,” Vth Plant and Soil Sciences Symposium, Longwood Gardens, Kennett Square, PA, May 28, 2013.
  20. [Invited Oral] Jing Yan, Volha Lazouskaya, Yan Jin, “Soil Colloid Release and Stabilization under Different Redox Conditions and Effect of DOM,” Department of Plant & Soil Sciences Fall Seminars, University of Delaware, Newark, DE, Nov. 2, 2012.
  21. [Poster] Jing Yan, Volha Lazouskaya, Deb Jaisi, Kirk Czymmek, Shreeram Inamdar, and Yan Jin, “Quantification and Characterization of Small Mobile Soil Colloids: Their Potential Role in Carbon Cycling,” DENIN Research Symposium, University of Delaware, Newark, DE, Jan. 12, 2012,
  22. [Poster] Jing Yan, Yan Jin, Kirk Czymmek, Shreeram Inamdar “Quantification and Characterization of Small Mobile Soil Colloids: Their Potential Role in Carbon Cycling,” American Geophysical Union, Fall Meeting, San Francisco, CA, Dec. 5-9, 2011.
  23. [Oral] Jing Yan, Volha Lazouskaya, Deb Jaisi, Kirk Czymmek, Shreeram Inamdar, Weinan Pan, Yan Jin, “Quantification/Composition Analysis of Small Mobile Soil Colloids: Implications in Colloid Mobilization and Carbon Cycling,” International Workshop on Design of Global Environmental Gradient Experiments using International CZO Networks, University of Delaware, DE, Nov. 8-10, 2011.
  24. [Oral] Jing Yan, Yan Jin, “Carbon Mineral Complexes and Colloid in the Groundwater,” CRB-CZO Scientist Gathering Meeting, Stroud Water Research Center, Avondale, PA, Feb 2, 2011.