Laodong Guo, PhD

School of Freshwater Sciences (SFS), University of Wisconsin-Milwaukee (UWM)
600 East Greenfield Avenue, Milwaukee, WI 53204, USA

Tel:  (414)-382-1742; Fax:  (414)-382-1705; E-mail:
Personal webpage
Google Scholar
Researcher ID: F-6045-2010


Working Experience

  • 2015-present: Professor, School of Freshwater Sciences (SFS), University of Wisconsin-Milwaukee (UWM), Milwaukee, WI 53204
  • 2013-2015: Chair, Executive Committee, School of Freshwater Sciences  (SFS), University of Wisconsin-Milwaukee
  • 2012-2013: Professor, School of Freshwater Sciences (SFS), University of Wisconsin-Milwaukee (UWM), Milwaukee, WI 53204
  • 2005-2012: Professor/Associate Professor (tenured), Department of Marine Science (DMS), University of Southern Mississippi (USM), Stennis Space Center, MS 39529
  • 2002-2005: Associate Research Professor, International Arctic Research Center (IARC), University of Alaska Fairbanks (UAF), Fairbanks, AK 99775
  • 2001-2005: Affiliate Associate Professor, Institute of Marine Science, School of Fisheries and Ocean Sciences, University of Alaska Fairbanks (UAF), AK 99775
  • 2000-2012: Assistant Research Professor, Frontier Research System for Global Research, International Arctic Research Center (IARC), University of Alaska Fairbanks (UAF), Fairbanks, AK 99775
  • 1997-2000: Assistant Scientist, Laboratory for Oceanographic and Environmental Research (LOER), Texas A&M University, Galveston, TX 77551, USA
  • 1995-1997: Postdoctoral Research Associate, Laboratory for Oceanographic and Environmental Research (LOER), Texas A&M University, Galveston, TX 77551, USA
  • 1990-1995, Research and Teaching Assistant, Department of Oceanography, Texas A&M University (TAMU), College Station, TX 77843

Research Interests

  • Biogeochemical cycling of carbon, nutrients and trace elements in aquatic systems
  • Role of natural organic matter in regulating the fate, transport and reactivity of chemical species
  • Size and chemical characterization of aquatic colloids and nanoparticles
  • Toxicity of crude oil and nanoparticles on aquatic organisms (Zebrafish)
  • Physicochemical processes at the soil-water, river-lake, and land-ocean interfaces
  • Biogeochemical consequences of climate and environmental change.


Authored or coauthored over 180 peer-reviewed publications in major earth and environmental science journals (See details at publications).  H – Index of 53 based on Google Scholar or 46 based on ISI  Web of Science (see Researcher ID or Guo’s personal webpage on publications).


Teaching Experience

  • FRSHWTR-514, Analytical Techniques in Freshwater Sciences (3 CH, UWM)
  • FRSHTWR-522, Aquatic Organic Geochemistry (3 credit hours, UWM)
  • FRSHTWR-524, Aquatic Isotope Biogeochemistry (3 credit hours, UWM)
  • FRSHTWR-999: Independent Study on Aquatic Colloids and Nanoparticles (UWM)
  • MAR 402, Marine Environmental Science (3 credit hours, Co-teach at USM)
  • MAR 541, Marine Chemistry/Chemical Oceanography (3 credit hours, USM)
  • MAR 651, Marine Organic Geochemistry (3 credit hours, USM)
  • MAR 683, Isotope Biogeochemistry (3 credit hours, USM)
  • MAR 684/689, Special Topic: Proposal Writing (2 credit hours, USM)
  • MAR 682/683, Sp. Topics: Aquatic Colloids and Nanoparticles (2 credit hours, USM)

Professional Membership

  • American Geophysical Union (AGU)
  • American Chemical Society (ACS)
  • International Geochemical Society (IGS)
  • Association for the Sciences of Limnology and Oceanography (ASLO)
  • American Association for the Advancement of Science (AAAS)

Other Professional Activities


Visiting professorship

  • 2018: Tianjing University, Tianjin, China
  • 2013: University of Southern Mississippi, USA
  • 2009: Visiting Professor, Ocean University of China, Qingdao, China
  • 2006: Chang-Jiang Scholar (Visiting) 2007, Xiamen University, China
  • 2005: Honorary Research Fellow, University of Birmingham, United Kingdom
  • 2004: Visiting Professor, Xiamen University, China

Panelist for funding agencies and workshop organizer

  • U.S. National Science Foundation (NSF)
  • National Aeronautics and Space Administration (NASA)
  • Polar Research Board/National Academies, Designing an Arctic Observing Network.
  • An Earth Cube Domain End-User Workshop (NSF): Integrating the inland waters geochemistry, biogeochemistry and fluvial sedimentology communities (Committee member, April 2013).
  • Arctic Carbon Cycle Assessment Workshop supported by International Arctic Monitoring and Assessment Program (AMAP), Seattle, WA, Feb 26-March 1, 2007 (Co-organizer with Dr. Dave McGuire).

Proposal reviewer for funding agencies

  • U.S. National Science Foundation (OCE, OPP, EAR, DEB, MRI Programs)
  • U.S. National Aeronautics and Space Administration (NASA)
  • U.S. Petroleum Research Fund
  • China Ministry of Education
  • Estonian Research Council
  • French National Research Agency (ANR)
  • Natural Environment Research Council (UK)
  • Natural Sciences and Engineering Research Council of Canada
  • Research Council for Earth & Life Sciences in the Netherlands
  • Swedish Research Council, Sweden
  • Swiss National Science Foundation, Switzerland
  • Taiwan National Science Council

Ad hoc reviewer for over 60 scientific journals

Acta Oceanol. Sinica; Analytical and Bioanalytical Chemistry; Analytical Chemistry; Applied Geochemistry; Arctic, Antarctic and Alpine Research (AAAR); Biogeochemistry; Biogeosciences; Chemical Geology; Chemosphere; Chinese Journal of Oceanology and Limnology; Chinese Science Bulletin; Continental Shelf Research; Deep-Sea Research I; Deep-Sea Research II; Earth & Planetary Science Letters; Ecosystems; Environmental Chemistry; Environmental International; Environmental Monitoring and Assessment; Environmental Pollution; Environmental Research; Environmental Research Letters (IOP); Environmental Science: Processes & Impacts (ESPI); Environmental Science and Pollution Research (ESPR); Environmental Science & Technology (ES&T); Environmental Toxicology and Chemistry; Estuarine Coastal and Shelf Science (ECSS); Estuaries and Coasts; Forensic Science International; Frontiers of Environmental Science & Engineering in China; Geophysical Research Letters; Geochimica et Cosmochimica Acta (GCA); Geosciences; Global Biogeochemical Cycles; International Journal of Earth Sciences; Isotopes in Environmental & Health Studies; Journal of Environmental Monitoring; Journal of Experimental Marine Biology and Ecology; Journal of Geophysical Research–Oceans; Journal of Geophysical Research–Biogeosciences; Journal of Hazardous Materials; Journal of Hydrology; Journal of Marine Systems; Journal of Soils and Sediments; Limnology and Oceanography; L&O-Methods; Marine Biology; Marine Chemistry; Marine Ecology Progress Series; Marine Environmental Research; Marine and Freshwater Research; Marine Geology; Marine Pollution Bulletin; Nature; Nature-Geoscience; Oceanologia; Organic Geochemistry; Permafrost and Periglacial Processes; Plos-One; Proceedings of the National Academy of Sciences (PNAS); Polar Biology; Progress in Oceanography; Reviews of Geophysics; Science (AAAS); Science in China; Science of the Total Environment; Scientific Reports; Soils and Sediments; Talanta; Terr. Atmos. Ocean. Sci. (TAO); Water, Air & Soil Pollution; Water Environ. Res.; Water Research; Water Resources Research; Wetlands


  • Participant, R/V Neeskay, Lake Michigan and Green Bay/Lake Michigan (May, June, August, and October 2014)
  • Co-chief scientist, NSF supported R/V Seward Johnson cruise (April/May 2006)
  • Chief scientist, NSF supported R/V Gyre cruises (May 2001)
  • Chief scientist, NSF supported R/V Gyre cruises (July 2000)
  • Chief scientist, NSF supported R/V Pelican cruises (March 1998)
  • Chief scientist, NSF supported R/V Pelican cruises (Aug 1997)
  • Chief scientist, NSF supported R/V Pelican cruises (April 1997)
  • Participant in over 25 scientific expeditions to the Arctic Ocean, the North Pacific, North Atlantic, Bering Sea, the Gulf of Mexico, and the South China Sea
  • Coordinator and participant in field sampling campaigns to the Yukon River Basin, Mackenzie River Basin, Mississippi River, Galveston Bay, the Bay of Saint Louis, Mississippi Bight, and other Alaska and Gulf coast rivers

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