Jingfeng Wu Research Professor phone: 907-474-2693 email: jwuiarc.uaf.edu office: Akasofu 207 C International Arctic Research Center 930 Koyukuk Drive P.O. Box 757340 Fairbanks, Alaska 99775-7340

IARC Programs

Biology/Chemistry Aspects in Arctic Climate

Education

Ph D., Chemical Oceanography, University of Delaware M. S., Chemical Oceanography, Xiamen University
B. S., Chemistry, Shangdong College of Oceanography

Research Interests

• The use of contaminant lead (Pb) in seawater as a tracer to understand North Atlantic water flow path in the Arctic Ocean
• Iron (Fe) speciation, distribution, biogeochemical cycling in the ocean
• Development of analytical techniques for measuring low (sub-nanomolar) levels of nitrate and phosphate in seawater

IARC Publications

published or accepted, refereed publications and books

• Aguilar-Islas, A.M., J. Wu (2009), The dissolution of aerosol iron in seawater is dominated by the colloidal Fe fraction, Marine Chemistry, accepted.
• Aguilar-Islas, A.M., J. Wu, R. Rember (2009), Dissolution of aerosol-derived iron in seawater: leach solution chemistry, aerosol type and colloidal iron fractions, Marine Chemistry, accepted.
• Wu, J., M. Jin (2009), Competitive ligand exchange voltammetric determination of iron organic complexation in seawater: examination of accuracy using computer simulation and elimination of artifacts in ideal two-ligand case using iterative non-linear multiple re, Marine Chemistry, 114, 1-10, doi: 10.1016/j.marchem.2009.03.001.
• Aguilar-Islas, A.M., R. Rember, C. Mordy, J. Wu (2008), Sea ice-derived dissolved iron and its potential influence on the spring algal bloom in the Bering Sea, Geophysical Research Letters, 35, L24601, doi:10.1029/2008GL035736.
• Johnson, K.S., V.A. Elrod, S.E. Fitzwater, J.N. Plant, F.P. Chavez, R.M. Gordon, D.L. Westphal, K.D. Perry, J. Wu, D.M. Karl (2003), Surface Ocean-Lower Atmosphere Interactions in the Northeast Pacific Ocean Gyre: Aerosols, Iron and the Ecosystem Response, Global Biogeochemical Cycles, 17(2), 1063, doi 10.1029/2002GB002004.
• Wu, J., S. Chung, L. Wen, K. Liu, Y. Chen, H. Chen, D.M. Karl (2003), Dissolved inorganic phosphorus, dissolved iron and Trichodesmium in the oligotrophic South China Sea, Global Biogeochemical Cycles, 17(2), 1063, doi: 10.1029/2002GB002004.
• Wu, J., E.A. Boyle (2002), Iron in the Sargasso Sea: Implications for the processes controlling dissolved Fe distribution in the ocean, Global Biogeochemical Cycles, 16, 10.1029/2001GB001453.
• Wu, J., E.A. Boyle, W. Sundra, L. Wen (2001), Soluble and colloidal iron in oligotrophic North Atlantic and North Pacific oceans, Science, 293, 847-849.
• Wu, J., W. Sundra, E.A. Boyle, D.M. Karl (2000), Phosphorus depletion in the Western North Atlantic Ocean, Science, 289, 759-762.

Other Selected Publications

• Wu, J., and E.A. Boyle. 1998. Determination of trace levels of iron in seawater by isotope dilution high resolution ICPMS. Anal. Chim. Acta 267: 183-191.
• Wu, J., and E,A. Boyle. 1997. Low blank preconcentration technique for the determination of lead, copper and cadmium in small-volume seawater samples by isotope dilution ICPMS. Anal. Chem. 69: 2464-2470.
• Wu, J., and E.A. Boyle. 1997. Lead in the Western North Atlantic ocean: completed response to leaded gasoline phaseout. Geochim. Cosmochim. Acta 61: 3279-3283.
• Wu, J., and G.W. Luther III. 1996. Spatial and temporal distribution of iron in surface water of the northwest Atlantic ocean. Geochim. Cosmochim. Acta 60: 2729-2741.
• Wu, J., and G.W. Luther III. 1995. Complexation of Fe(III) by organic ligands in the northwest Atlantic Ocean by a competitive ligand equilibration method and a kinetic approach. Mar. Chem. 50: 159-177.