Laodong Guo's publications

No ice in the Arctic Ocean for polar bears?

Dr. Laodong Guo

Associate Professor
Department of Marine Science
University of Southern Mississippi
Stennis Space Center, MS 39529, USA

Tel: (228)-688-1176
Fax: (228)-688-1121
E-mail: Laodong.Guo@usm.edu
http://www.frontier.iarc.uaf.edu:8080/~guol

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Peer-reviewed publications since 2000

(See Dr. Guo's curriculum vitae for a complete publication list. Click on Journals' link or pdf to download a specific paper)

Year 2006 (and "in press")

Wang, D., Henrichs, S, and Guo, L. 2006. Distributions of nutrients, dissolved organic carbon and carbohydrates in the western Arctic Ocean. Continental Shelf Res., (in press).
Guo, L. and Santschi, P.H. 2006. Ultrafiltration and its applications to sampling and characterization of aquatic colloids, Book Chapter, In "Environmental Colloids: Behavior, separation and characterization". Lead J. and Wilkinson K. (Eds.), IUPAC Series, John Wiley, (in press)
Zou, L., Sun, M.-Y., Guo, L. 2006. Temporal variations of organic carbon inputs into the upper Yukon River: Evidence from fatty acids and their stable carbon isotopic composition in dissolved, colloidal and particulate phases. Organic Geochemistry, (in press).
Guo, L., and Macdonald, R.W. 2006. Sources and transport of terrigenous organic matter in the upper Yukon River: evidence from isotope (¹³C, ¹⁴C and ¹⁵N) composition of dissolved, colloidal and particulate phases. Global Biogeochemical Cycles, 20(2), doi: 10.1029/2005GB002593 (Abstract or pdf file).
Buesseler, K. O., Benitez-Nelson, C., Moran, S. B., Burd, A., Charette, M.,Cochran, J. K., Coppola, L., Fisher, N., Fowler, S. W., Gardner,W., Guo,L. D., Gustafsson, O., Lamborg, C., Masque, P., Miquel, J. C., Passow, U., Santschi, P.H., Savoye, N., Stewart, G. and Trull, T. 2006. An assessment of particulate organic carbon to 234Th ratios in the ocean and their impact on the application of 234Th as a POC flux proxy. Marine Chemistry, (in press, Abstract or pdf file).
Santschi, P.H., Murray, J.W., Baskaran, M., Benitez-Nelson, C., Guo, L.D., Hung, C.-C., Lamborg, C.,Moran, B., Passow, U. and Roy-Barman, M. 2006. Thorium speciation in seawater. Marine Chemistry, (in press, Abstract or pdf file).
Chen, M., Guo, L., Ma, Q., Qiu, Y.S., Zhang, R., Lv, E., and Huang, Y.P. 2006. Zonal patterns of d¹³C, d¹⁵N and ²¹⁰Po in the North Pacific Ocean. Geophys. Res. Lett., 33(4), L04609, doi: 10.1029/2005GL025186 (Abstract or pdf file).
Belzile, C. and Guo, L. 2006. Optical properties of low molecular weight and colloidal organic matter: Application of the ultrafiltration permeation model to DOM absorption and fluorescence. Marine Chemistry 98, 183-196 (abstract or pdf ).
Guéguen, C., Guo, L., Wang, D., Tanaka, N. and Hung C.-C. 2006. Chemical characteritics and origin of dissolved organic matter in the Yukon River. Biogeochemistry, 77, 139-155 (Abstract, or pdf file).

Year 2005

Guéguen, C., Guo, L., Tanaka, N. 2005. Distributions and characteristics of colored dissolved organic matter in he western Arctic Ocean. Continental Shelf Res., 25(10): 1195-1207 (abstract, or pdf).

Year 2004

Guo, L. Semiletov, I., Gustafsson, O., Ingri, J. Andersson, P. Dudarev, O. White, D. 2004. Characterization of Siberian Arctic estuarine sediments: Implications for terrestrial organic carbon export. Global Biogeochemical Cycles, 18(1), GB1036, doi: 10.1029/2003GB002087, (abstract or pdf, times cited: 3).
Guo, L., Zhang, J.-Z., Guéguen, C. 2004. Speciation and fluxes of nutrients (N, P, Si) from the upper Yukon River. Global Biogeochemical Cycles, 18(1), GB1038, doi: 10.1029/2003GB002151 (abstract or pdf,times cited: 2).
Tanaka, T., Guo, L., Deal, C., Tanaka, N., Whitledge, T. and Murata, A. 2004. Nitrogen deficiency in a well oxygenated cold bottom water over the Bering Sea Shelf: Influence of sedimentary denitrification. Continental Shelf Res., 24: 1271-1283 (Abstract or pdf, times cited: 1).
Hung, C.-C., Guo, L., Roberts, K. A. and Santschi, P.H. 2004. Upper ocean carbon export fluxes determined by Th-234 and sediment traps in the Gulf of Mexico. Geochemical Journal, 38: 601-611 (abstract, or pdf file, times cited: )
Guo, L., Tanaka, T., Wang, D., Tanaka, N. and Murata, A. 2004. Distributions, speciation and stable isotope composition of organic matter in the eastern Bering Sea. Marine Chemistry, 91: 211-226, (Abstract or pdf, times cited: ).
Chen, M., Wang, W.-X. and Guo, L. 2004. Phase partitioning and solubility of Fe in seawater controlled by dissolved organic matter. Global Biogeochemical Cycles, 18 (4), GB4013, doi: 10.10.29/2003GB002160 (Abstract or pdf, times cited: 1).

Year 2003

Guo, L., Tanaka, N., Schell, D. M. Santschi, P.H. 2003. Nitrogen and carbon isotopic composition of high-molecular-weight dissolved organic matter in marine environments. Mar. Ecol. Prog. Ser., 252: 51-60 (abstract or pdf, times cited: 5).
Hung, C.-C., Guo, L., Shultz, G., Pinckney, J. and Santschi, P.H. 2003. Production and fluxes of carbohydrate species in the Gulf of Mexico. Global Biogeochemical Cycles, 17(2), 1055, doi: 10.1029/2002GB001988 (abstract or pdf, times cited: 1).
Chen, M., Dei, R.C.H., Wang, W.-X. and Guo, L. 2003. Marine diatom uptake of iron bound with natural colloids of different origins. Marine Chemistry, 81(3/4): 177-189 (Abstract or pdf, times cited: 10).
Hung, C.-C., Guo, L. Santschi, P. H. Alvarado, N. and Haye, J. 2003. Distributions of carbohydrate species in the Gulf of Mexico. Marine Chemistry, 81(3/4): 119-135 (Abstract or pdf, times cited: 9).
Guo, L., Lehner, J.K. White, D.M. and Garland, D. S. 2003. Heterogeneity of natural organic matter from the Chena River, Alaska. Water Research, 37(5): 1015-1022 (Abstract or pdf, times cited: 10).
Chen, M., Huang, Y., Cai, P, and Guo, L. 2003. Particulate organic carbon export fluxes in the Canada Basin and Bering Sea as derived from ²³⁴Th/²³⁸U disequilibria. Arctic, 56(1): 32-44 (Abstract or pdf, times cited: 4).
Santschi, P. H., Hung, C.C., Shultz, G., Alvarado-Quiroz, N., Guo, L., Pinckney, J. and Walsh, I. 2003. Control of acid polysaccharide production and ²³⁴Th and POC export fluxes by marine organisms. Geophysical Research Letters, 30(2), 1044, doi: 10.1029/GL016046 (abstract or pdf, times cited: 9).

Year 2002

Guo, L., Chen, M. and Guéguen, C. 2002. Control of Pa/Th ratio by particulate chemical composition in the ocean. Geophysical Research Letters, 29: (20), 1961, doi:10.1029/2002GL015666 (abstract or pdf, times cited: 2).
Santschi, P. H., Roberts, K. A. and Guo, L. 2002. The organic nature of colloidal actinides (^239,240Pu and ²⁴¹Am) transported in surface water environments. Environmental Science & Technology. 36: 3711-3719 (pdf, times cited: 7).
Guo, L. Hung, C.C. Santschi, P. H. and Walsh, I. D. 2002. Th-234 scavenging and its relationship to acid polysaccharide abundance in the Gulf of Mexico. Marine Chemistry 78: 103-119 (pdf, times cited: 21).
Guo, L., Santschi, P. H. and Ray, S. 2002. Metal partitioning between dissolved and particulate phases and its relation with bioavailability to American oysters. Marine Environmental Research, 54: 49-64 (pdf, times cited: 8).
Chen, M., Huang, Y., Guo, L., Cai, P., Yang, W., Liu, G. & Qiu, Y. 2002. Biological productivity and carbon cycling in the Arctic Ocean. Chinese Science Bulletin, 47(12): 1037-1040 (pdf, times cited: 1).
Quigley, M. S., Santschi, P. H., Hung, C., Guo, L. and Honeyman, B. D. 2002. Importance of acid polysaccharides for ²³⁴Th complexation to marine organic matter. Limnology and Oceanography, 47(2): 367-377 (pdf, times cited: 30).
Cai, P., Huang Y., Chen, M., Guo, L., Liu, G., and Qiu, Y. 2002. New production based on ²²⁸Ra-derived nutrient budgets and ^228,234Th-estimated POC export at the intercalibration station in the South China Sea. Deep-Sea Research I, 49(1): 53-66 (pdf, times cited: 5).

Year 2001

Quigley, M. S., Santschi, P. H., Guo, L. and Honeyman, B. D. 2001. Sorption irreversibility and coagulation behavior of ²³⁴Th with marine organic matter. Marine Chemistry, 76(1/2): 27-45 (pdf, times cited: 16).
Guo, L. Hunt, B. J., Santschi, P. H. and Ray, S. 2001. Effect of dissolved organic matter on the metal uptake by American oysters (Crassostrea virginica). Environmental Science & Technology, 35(5): 885-893 (pdf, times cited: 21).
Wang, W. and Guo, L. 2001. Production of colloidal organic carbon and trace metals by phytoplankton decomposition. Limnology and Oceanography, 46(2): 278-286 (pdf, times cited: 6).
Santschi, P. H., Guo, L., Wen, L. 2001. Box coring artifacts in sediments affected by a waste water outfall. Marine Pollution Bulletin, 42(4): 267-272 (pdf, times cited: 1).
Guo, L., Hunt, B.J., Santschi, P. H. 2001. Ultrafiltration behavior of major ions (Na, Ca, Mg, F, Cl, SO₄) in natural waters. Water Research, 35 (6): 1500-1508 (pdf, times cited: 16).
Santschi, P. H., Guo, L., Asbill, S., Allison, M. and Wen, L., 2001. Accumulation rates of sediments and organic carbon on the Palos Verdes Shelf based on radioisotopic tracers (¹³⁷Cs,^{239, 240}Pu,²¹⁰Pb,²³⁴Th & ¹⁴C). Marine Chemistry, 73: 125-152 (pdf, times cited: 8).
Santschi, P. H., Wen,- L. and Guo, L. 2001. Trace metals and organic carbon transport and diagenesis in Palos Verdes shelf sediments affected by a sewage outfall. Marine Chemistry, 73: 153-171 (pdf, times cited: 3).

Year 2000

Guo, L and Santschi P. H. 2000. Sedimentary source of old high molecular weight dissolved organic carbon from the ocean margin benthic nepheloid layer. Geochim. Cosmochim. Acta, 64:651-660 (Abstract or pdf, times cited: 19).
Wang, W. and Guo, L. 2000. Influence of natural colloids on metal bioavailability to two marine bivalves. Environ. Sci. Technol., 34: 4571-4576 (pdf, times cited: 19).
Mitra, S.; Bianchi, T. S.; Guo, L. and Santschi, P. H. 2000. Terrestrially-derived dissolved organic matter in the Chesapeake Bay and the Middle Atlantic Bight. Geochim. Cosmochim. Acta, 64: 3547-3557 (pdf, times cited: 14).
Guo, L., Warnken, K. W. and Santschi, P. H. 2000. Trace metal composition of colloidal organic matter in marine environments. Marine Chemistry, 70(4): 257-275 (pdf, times cited: 25).
Wang, W. and Guo L, 2000. Bioavailability of colloidal-bound metals to marine plankton. Mar. Ecol. Prog. Ser., 202: 41-49 (pdf, times cited: 13).
Chen, M., Guo, L., Huang, Y. Gao, Z., Cai, Y. and Cai, M. 2000. Study of colloidal uranium, thorium, radium isotopes and organic carbon in seawater. Acta Oceanologica Sinica, 22(5): 51-59 (pdf).
Guo, L., Wen, L., Tang, D., and Santschi, P. H. 2000. Re-examination of cross flow ultrafiltration for sampling aquatic colloids: evidence from molecular probes. Marine Chemistry, 69: 75-90 (pdf, times cited: 45).

See the complete publication list in Dr. Guo's CV . Check time cited for each paper from ISI at webofscience or ISI Web of Knowledge. You could down load pdf files for a specific paper from www.sciencedirect .com (or ScienceDirect Web Edition) and other publisher's wensites (such as AGU, ACS, ASLO etc) or send him an e-mail for a reprint.

Relationsgip between delta-14C and C/N ratio in colloidal organic matter (COM) from marine environments (from Guo et al., 1996, Limnology and Oceanography,41: 1242-1252, pdf file)

From Guo et al. (2004), Speciation and fluxes of nutrients (N, P, Si) from the upper Yukon River, Global Biogeochemical Cycles, 18(1), GB1038 (pdf).