Ken Mopper

Ph.D. in Chemical Oceanography, Massachusetts Institute of Technology/Woods Hole Oceanographic Institute, (1973)

M.S. in Chemistry (Marine), Massachusetts Institute of Technology, (1971)

B.A. in Chemistry, Queens College, The City University of New York, (1968)

Expertise

Research Interests

Impact of sunlight and photochemistry on oceanic & global carbon cycling and greenhouse gas production (e.g., CO2). Studies of dissolved organic matter and light-absorbing chemical species in natural waters using advanced analytical and spectroscopic techniques. Impact of enhanced UV-B radiation during the ozone hole on photochemical processes and microbial activity in Antarctic surface waters. Development of new analytical methods for trace analysis of organic and reactive oxygen species..

Articles

Jennings, M., Abdulla, H., Stubbins, A., Sun, L., Wang, R. and Mopper, K. (2018). A dissolved organic carbon (DOC) analyzer capable of detecting sub-μM DOC differences in natural fresh waters: a proof of concept study. Limnol. Oceanogr. Methods 16 , pp. 309-321.

King, D., Berger, E., Helm, Z., Irish, E. and Mopper, K. (2016). Measurement of antioxidant activity toward superoxide in natural waters. Frontiers in Marine Science 14.

Minor, E., Austin, J., Sun, L., Gauer, L., Zimmerman, R. C. and Mopper, K. (2016). Mixing effects on light exposure in a large-lake epilimnion: A preliminary dual-dye study. Limnology and Oceanography: Methods 14 (8) , pp. 542-554.

Widner, B., Mulholland, M. R. and Mopper, K. (2016). Distribution, sources, and sinks of Cyanate in the Coastal North Atlantic Ocean. Environmental Science & Technology Letters 3 (8) , pp. 297-302.

Sun, L. and Mopper, K. (2016). Studies on hydroxyl radical formation and correlated photoflocculation process using degraded wood leachate as a CDOM source. Frontiers in Marine Science 2 , pp. 117.

Sun, L. R., Spencer, G. M., Dyda, R. Y., Hernes, P. J. and Mopper, K. (2015). A comparison of a simplified cupric oxide oxidation/HPLC Method with the Traditional GC-MS Method for characterizing lignin phenolics in environmental samples. Limnol. Oceanogr.: Methods 13 , pp. 1-8.

Bittar, T. B., Chen, H., Stubbins, A., Vieira, A. H. and Mopper, K. (2015). Competition between photochemical and biological degradation of dissolved organic matter from the cyanobacteria Microcystis aeruginosa (Kützing). Limnol. Oceanogr 60 , pp. 1172-1194.

Sun, L., Qian, J., Blough, N. V. and Mopper, K. (2015). Insights into the photoproduction sites of hydroxyl radicals by dissolved organic matter in natural waters. Environmental Science & Technology Letters 2 (12) , pp. 352-356.

Helms, J. R., Mao, J., Chen, H., Perdue, E. M., Greene, N., Hatcher, P. G., Mopper, K. and Stubbins, A. (2015). Spectroscopic characterization of marine dissolved organic matter isolated by reverse osmosis and electrodialysis: Implications for oceanic carbon cycling. Marine Chemistry 10 (1016) , pp. 278-287.

Bittar, T. B., Stubbins, A., Vieira, A. H. and Mopper, K. (2015). Characterization and photodegradation of dissolved organic matter (DOM) from a tropical eutrophic reservoir and its dominant primary producer, the cyanobacteria Microcystis aeruginosa. Marine Chemistry , pp. 205-217.

Sun, L., Chen, H., Abdulla, H. A. and Mopper, K. (2014). Estimating hydroxyl radical photochemical formation rates in natural waters during long-term laboratory irradiation experiments. Environmental Science: Processes & Impacts 16 (4) , pp. 757-763.

Helms, J. R., Mao, J., Stubbins, A., Schmidt-Rohr, K., Spencer, R. GM., Hernes, P. J. and Mopper, K. (2014). Loss of optical and molecular indicators of terrigenous dissolved organic matter during long-term photobleaching. Aquatic Sciences 76 , pp. 353-373.

Chen, H., Abdulla, H. AN., Sanders, R., Myneni, S., Mopper, K. and Hatcher, P. G. (2014). Production of black carbon-like and aliphatic molecules from terrestrial dissolved organic matter in the presence of sunlight and iron. Environmental Science & Technology Letters 1 (10) , pp. 399-404.

Chen, H., Stubbins, A., Perdue, E. Michael., Green, N. W., Helms, J. R., Mopper, K. and Hatcher, P. G. (2014). Ultrahigh resolution mass spectrometric differentiation of dissolved organic matter isolated by coupled reverse osmosis-electrodialysis from various major oceanic water masses. Marine Chemistry 164 , pp. 48-59.

Kieber, D. J., Miller, G. W., Neale, P. J. and Mopper, K. (2014). Wavelength and temperature-dependent apparent quantum yields for photochemical formation of hydrogen peroxide in seawater. Environmental Science: Processes & Impacts 16 (4) , pp. 777-791.

Minor, E. C., James, E., Austin, J. A., Nelson, V., Lusk, R. and Mopper, K. (2013). A preliminary examination of an in situ dual dye approach to measuring light fluxes in lotic systems. Limnol. Oceanogr.: Methods 11 , pp. 631-642.

Widner, B., Mulholland, M. R. and Mopper, K. (2013). Chromatographic determination of nanomolar Cyanate concentrations in estuarine and sea waters by precolumn fluorescence derivatization. Analytical Chemistry 85 (14) , pp. 6661-6666.

Helms, J. R., Stubbins, A., Perdue, E. Michael., Green, N. W., Chen, H. and Mopper, K. (2013). Photochemical bleaching of oceanic dissolved organic matter and its effect on absorption spectral slope and fluorescence. Marine Chemistry 155 , pp. 81-91.

Helms, J. R., Mao, J., Schmidt-Rohr, K., Abdulla, H. and Mopper, K. (2013). Photochemical flocculation of terrestrial dissolved organic Matter (tDOM) and iron: Mechanisms and geochemical implications. Geochimica et Cosmochimica Acta 121 , pp. 398-413.

Jankowski, J. J., Kieber, D. J., Mopper, K. and Neale, P. J. (2012). Atmospheric sulfur cycle simulated in the global model gocart: comparison with field observations and regional budgets. Journal of Geophysical Research: Atmospheres.

White, E. M., Kieber, D. J., Sherrard, J., Miller, W. L. and Mopper, K. (2010). Carbon dioxide and carbon monoxide photoproduction quantum yields in the Delaware Estuary. Mar. Chem. 118 , pp. 11-21.

Stubbins, A., Spencer, R. M., Chen, H., Hatcher, P. G., Mopper, K., Hernes, P. J., Mwamba, V. L., Mangangu, A. M., Wabakanghanzi, J. N. and Six, J. (2010). Illuminated the darkness: Molecular signatures of Congo River dissolved organic matter and its photochemical alteration as revealed by ultrahigh percision mass spectrometry. Limnol. Oceanogr 55 , pp. 1467-1477.

Tedetti, M., Joux, F., Charriere, B., Mopper, K. and Sempere, R. (2009). Contrasting effects of solar radiation and nitrates on the bioavailability of DOM to marine bacteria. J. Photochem. Photobiol.: A. Chemistry 201 , pp. 243-247.

Helms, J. R., Stubbins, A., Elizabeth, J. D Ritchie., Minor, C., Kieber, D. J. and Mopper, K. (2009). Erratum: Absorption spectral slopes and slope ratios as indicators of molecular weight, source, and photobleaching of chromophoric dissolved organic matter. Limnol. Oceanogr 54 (3) , pp. 1023.

Spencer, R. G.M., Stubbins, A., Hernes, P. J., Baker, A., Mopper, K., Aufdenkampe, A. K., Dyda, R. Y., Mwamba, V. L., Mangangu, A. M., Wabakanghanzi, J. N. and Six, J. (2009). Photochemical degradation of dissolved organic matter and dissolved lignin phenols from the Congo River. Journal of Geophysical Research 114 , pp. G03010.

Dalzell, B. J., Minor, E. C. and Mopper, K. (2009). Photodegradation of estuarine dissolved organic matter: A multi-method assessment of DOM transformations. Organic Geochemistry 40 (2) , pp. 243-257.

Helms, J. R., Stubbins, A., Ritchie, J. D., Minor, E. C., Kieber, D. J. and Mopper, K. (2008). Absorpance spectral slopes and slope ratios as indicators of molecular weight, source, and photobleaching of chromorphic dissolved organic matter. Limnol. Oceanogr 53 ( ) , pp. 955-969.

Spencer, R. G., Stubbins, A., Hernes, P. J., Aufdenkampe, A. K., Gulliver, P., Mopper, K., Baker, A., Dyda, R. Y. and Six, J. W. (2008). Geochemistry and reactivity of exported Congo Riverine dissolved organic matter. Geochemistry , pp. 2.

Stubbins, A., Hubbard, V., Uher, G., Law, C. S., Upstill-Goddard, R. C., Aiken, G. R. and Mopper, K. (2008). Relating carbon monoxide photoproduction to dissolved organic matter functionality. Environ. Sci. Technol. 42 , pp. 3271-3276.

White, E. M., Kieber, D. J. and Mopper, K. (2008). Semi-automated method for determination of photochemically produced carbon dioxide in seawater. Limnol. Oceanog. - Methods 6 , pp. 441-453.

Mopper, K., Stubbins, A., Ritchie, J. D., Bialk, H. M. and Hatcher, P. G. (2007). Advanced instrumental approaches for characterization of marine dissolved organic matter: Mass spectroscopy and nuclear magnetic resonance spectroscopy. Chemical Reviews 107 , pp. 419-442.

Minor, E. C., Dalzell, B. J., Stubbins, A. and Mopper, K. (2007). Evaluating the photoalteration of estuarine dissolved organic matter using direct temperature-resolved mass spectroscopy and UV-visible spectroscopy. Aquatic Sciences 69 (4) , pp. 440-455.

Stubbins, A., Uher, G., Law, C., Mopper, K., Robinson, C. and Upstill-Goddard, R. (2006). Carbon monoxide photoproduction in open ocean waters. Geophysical Research Abstracts 8 , pp. 07042.

Qian, J., Mopper, K. and Kieber, D. (2006). Corrigendum to “Photochemical production of the OH radical in Antarctic waters”. Deep Sea Research Part I: Oceanographic Research Papers 53 (4) , pp. 747-748.

Minor, E. C., Mopper, K. and Dalzell, B. (2006). DOM photodegradation in a temperate estuary. EOS, Transactions, American Geophysical Union 87 (36).

Mopper, K., Helms, J., Stubbins, A., Chen, N., Minor, E. and Dalzell, B. (2006). Effect of pH and ionic strength on terrestrial DOM photoreactivity: Implications in estuarine DOM transformations. EOS, Transactions, American Geophysical Union 87 (36).

Minor, E. C., Pothen, J., Dalzell, B. J., Abdulla, H. and Mopper, K. (2006). Effects of salinity changes on the photodegradation and ultraviolet-visible absorbance of terrestrial dissolved organic matter. Limnol. Oceanogr 51 (5) , pp. 2181.

Boehme, J., Stedmon, C., Boyd, T., Chen, R., Coble, P., Cooper, W., Mopper, K., Wells, M. and Zepp, R. (2006). Fluorescence intercalibration experiment: A multi-laboratory Comparison of correction procedures for fluorescence analysis of dissolved organic matter. AGU Fall Meeting Abstracts 1 , pp. 1040.

Stubbins, A., Uher, G., Law, C. S., Mopper, K., Robinson, C. and Upstill-Goddard, R. C. (2006). Open ocean carbon monoxide photoproduction. Deep-Sea Research II 53 , pp. 1695-1705.

White, E. M., Kieber, D. J., Stubbins, A. and Mopper, K. (2006). Photochemical production of dissolved inorganic carbon in the Delaware Estuary and Northwest Atlantic Ocean. EOS, Transactions, American Geophysical Union 87 (36).

Qian, J., Mopper, K. and Kieber, D. (2006). Photochemical production the OH radical in Antarctic waters. Deep-Sea Research Part I-Oceanographic Research Papers 53 (4) , pp. 747-748.

Davis, J., Stubbins, A., Helms, J., Dias, R. and Mopper, K. (2006). Using 18O as a tracer of oxygen in the photochemical alteration of dissolved organic matter. AGU Fall Meeting Abstracts 1 , pp. 02.

Anesio, A. M., Graneli, W., Aiken, G., Kieber, D. J. and Mopper, K. (2005). Effect of humic substance photodegradation on bacterial growth and respiration in lake water. Appl. Environ. Microbiol. 71 , pp. 6267-6275.

Miller, G. W., Morgan, C. A., Kieber, D. J., King, D. W., Snow, J. A., Heikes, B. G., Mopper, K. and Kiddle, J. J. (2005). Hydrogen peroxide method intercomparison study in seawater. Marine Chemistry 97 (1) , pp. 4-13.

Simjouw, J., Minor, E. C. and Mopper, K. (2005). Isolation and characterization of estuarine dissolved organic matter: Comparison of ultrafiltration and C_18 solid-phase extraction techniques. Marine Chemistry 96 (3) , pp. 219-235.

Miller, G. W., Morgan, C. A., Kieber, D. J., King, D. W., Snow, J. A., Heikes, B. G., Mopper, K., Kiddle, J. J., O’Sullivan, D. W. and Neale, P. J. (2005). Special Issue: In Honor of Dana R. Kester. Marine Chemistry 97 , pp. 362-363.

Qian, J., Mopper, K. and Kieber, D. J. (2001). Photochemical production of the hydroxyl radical in Antarctic waters. Deep Sea Research Part I: Oceanographic Research Papers 48 (3) , pp. 741-759.

Chen, X. and Mopper, K. (2000). Determination of the tropospheric hydroxyl radical by liquidphase scrubbing and HPLC: Preliminary results. Journal of Atmospheric Chemistry 36 (1) , pp. 81-105.

Jankowski, J. J., Kieber, D. J. and Mopper, K. (1999). Nitrate and nitrite ultraviolet actinometers. Photochemistry and Photobiology 70 (3) , pp. 319-328.

Qian, J. and Mopper, K. (1996). Automated high-performance, high-temperature combustion total organic carbon analyzer. Analytical Chemistry 68 (18) , pp. 3090-3097.

Mopper, K., Feng, Z., Bentjen, S. B. and Chen, R. F. (1996). Effects of cross-flow filtration on the absorption and fluorescence properties of seawater. Marine Chemistry 55 (1) , pp. 53-74.

Heikes, B., McCully, B., Zhou, X., Lee, Y., Mopper, K., Chen, X., Mackay, G., Karecki, D., Schiff, H. and Campos, T. (1996). Formaldehyde methods comparison in the remote lower troposphere during the Mauna Loa Photochemistry Experiment 2. Journal of Geophysical Research: Atmospheres 101 (D9) , pp. 14741-14755.

Santschi, R. VernonClark., Wells, M. L., Bauer, J. E., Ruttenberg, K. C., Wolgast, D. M., Monaghan, E., Schrope, M. K., Mopper, K., Feng, S. B. and Chen, R. F. (1996). Special Issue: The Use of Cross-Flow Filtration (CFF) for the Isolation of Marine Colloids. Marine Chemistry 55 , pp. 409-410.

Zhou, X., Lee, Y., Newman, L., Chen, X. and Mopper, K. (1996). Tropospheric formaldehyde concentration at the Mauna Loa observatory during the Mauna Loa observatory photochemistry experiment 2. Journal of Geophysical Research: Atmospheres 101 (D9) , pp. 14711-14719.

Sarpal, R. S., Mopper, K. and Kieber, D. J. (1995). Absorbance properties of dissolved organic matter in Antarctic sea water. Antarctic Journal of the United States 30 (5) , pp. 139-140.

Brown, B. M., Kieber, D. J. and Mopper, K. (1995). Dissolved flavins in the Weddell-Scotia Confluence during the 1983 austral spring. Antarctic Journal of the United States 30 , pp. 148-149.

Qian, J. G., Mopper, K. and Kieber, D. J. (1995). Photochemical production of the OH radical and formaldehyde in antarctic waters. Antarctic Journal of the United States 30 (5) , pp. 141-142.

Kieber, D. J. and Mopper, K. (1995). Photochemistry of Antarctic waters during the 1994 austral summer. Antarctic Journal of the United States 30 , pp. 150-151.

Mopper, K., Sarpal, R. S. and Kieber, D. J. (1995). Protein and humic substance fluorescence of dissolved organic matter in Antarctic sea water. Antarctic journal of the United States 30 (5) , pp. 137-139.

Mopper, K., Zhou, J., Ramana, K. S., Passow, U., Dam, H. G. and Drapeau, D. T. (1995). Role of surface-active carbohydrates in the flocculation of a diatom bloom in a mesocosm. Deep-Sea Res. I 42 , pp. 47-73.

Yocis, B. H., Kieber, D. J. and Mopper, K. (1995). Wavelength dependence of hydrogen peroxide photochemical production in Antarctic waters. Antarctic Journal of the United States 30 (5) , pp. 146-147.

Zhou, X. and Mopper, K. (1993). Carbonyl compounds in the lower marine troposphere over the Caribbean Sea and Bahamas. Journal of Geophysical Research: Oceans 98 (C2) , pp. 2385-2392.

Vairavamurthy, A., Mopper, K. and Taylor, B. F. (1992). Occurrence of particle‐bound polysulfides and significance of their reaction with organic matters in marine sediments. Geophysical Research Letters 19 (20) , pp. 2043-2046.

Mopper, K. and Kieber, D. J. (1991). Distribution and biological turnover of dissolved organic compounds in the water column of the Black Sea. Deep Sea Res 38 , pp. S1021-S1047.

Vairavamurthy, A. and Mopper, K. (1990). Determination of low-molecular-weight carboxylic acids in aqueous samples by gas chromatography and nitrogen-selective detection of 2-nitrophenylhydrazides. Analytica Chimica Acta 237 , pp. 215-221.

Mopper, K. and Zhou, X. (1990). Determination of photochemically produced hydroxyl radicals in seawater and freshwater. Marine Chemistry 30 , pp. 71-88.

Valravamurthy, A. and Mopper, K. (1990). Determination of sulfite and thiosulfate in aqueous samples including anoxic seawater by liquid chromatography after derivatization with 2, 2’-dithiobis (5-nitropyridine). Environmental Science & Technology 24 (3) , pp. 333-337.

Mopper, K. and Vairavamurthy, A. (1990). Field method for determination of traces of thiols in natural waters. Analytica Chimica Acta 236 (2).

Zhou, X. and Mopper, K. (1990). Measurement of sub-parts-per-billion levels of carbonyl compounds in marine air by a simple cartridge trapping procedure followed by liquid chromatography. Environmental Science & Technology 24 (10) , pp. 1482-1485.

Kieber, D. J., Vaughan, G. M. and Mopper, K. (1988). Determination of formate in natural waters by a coupled enzymatic/high-performance liquid chromatographic technique. Analytical Chemistry 60 (17) , pp. 1654-1659.

Vastano, S. E., Milne, P. J., Stahovec, W. L. and Mopper, K. (1987). Determination of picomolar levels of flavins in natural waters by solid-phase ion-pair extraction and liquid chromatography. Analytica Chimica Acta 201 , pp. 127-133.

Vairavamurthy, A. and Mopper, K. (1987). Geochemical formation of organosulphur compounds (thiols) by addition of H2S to sedimentary organic matter. Nature 329 (6140) , pp. 623-625.

Mopper, K. and Dawson, R. (1986). Determination of amino acids in sea water—recent chromatographic developments and future directions. Science of the Total Environment 49 , pp. 115-131.

Kieber, D. J. and Mopper, K. (1986). Trace determination of α-keto acid in natural waters. Analytica Chimica Acta 183 , pp. 129-140.

Stahovec, W. and Mopper, K. (1984). Trace analysis of aldehydes by precolumn fluorogenic labeling with 1,3-cyclohexanedione and reversed-phase HPLC. Journal of Chromatography A 298 , pp. 399-406.

Mopper, K. and Delmas, D. (1984). Trace analysis of biological thiols by liquid chromatography and precolumn fluorometric labeling with o-phthalaldehyde. Analytical Chemistry 56 (13) , pp. 2557-2560.

Kieber, D. J. and Mopper, K. (1983). Reversed-phase high-performance liquid chromatographic analysis of α-keto acid quinoxalinol derivatives: Optimization of technique and application to natural samples. Journal of Chromatography A 281 , pp. 135-149.

Mopper, K. and Johnson, L. (1983). Reversed-phase liquid chromatographic analysis of dns-sugars: Optimization of derivatization and chromatographic procedures and applications to natural samples. Journal of Chromatography A 256 , pp. 27-38.

Mopper, K., Stahovec, W. L. and Johnson, L. (1983). Trace analysis of aldehydes by reversed-phase high-performance liquid chromatography and precolumn fluorigenic labeling with 5, 5-dimethyl-1, 3-cyclohexanedione. Journal of Chromatography A 256 , pp. 243-252.

Jorgensen, N., Lindroth, P. and Mopper, K. (1981). Extraction and distribution of free amino-acids and ammonium in sediment interstitial waters from the Limfjord, Denmark. Oceanologica Acta 4 (4) , pp. 465-474.

Mopper, K., Dawson, R., Liebezeit, G. and Hansen, H. Peter. (1980). Borate complex ion exchange chromatography with fluorimetric detection for determination of saccharide ethylenediamine. Analytical Chemistry 52 (13) , pp. 2018-2022.

Mopper, K. (1980). Carbohydrates in the marine environment: recent developments. Biogeochemie de la Matiere Organique a l'Interface Eau-Sediment Marin, CNRS , pp. 34-45.

Jorgensen, N. OG., Mopper, K. and Lindroth, P. (1980). Occurrence, origin, and assimilation of free amino acids in an estuarine environment. Ophelia, Suppl 1 , pp. 179-192.

Mopper, K., Dawson, R., Liebezeit, G. and Ittekkot, V. (1980). The monosaccharide spectra of natural waters. Marine Chemistry 10 (1) , pp. 55-66.

Degens, E. T., Michaelis, W., Garrasi, C., Mopper, K., Kempe, S. and Ittekkot, V. A. (1980). Warven-Chronologie und frühdiagenetische Umsetzungen organischer Substanzen holozäner Sedimente des Schwarzen Meeres. Neues Jahrbuch für Geologie und Paläontologie Monatshefte 2 , pp. 65-86.

Lindroth, P. and Mopper, K. (1979). High performance liquid chromatographic determination of subpicomoie amounts of amino acids by precoiumn fluorescence derivatization with 0-phthaidiaidehyde. Analytical Chemistry 51 (11) , pp. 1667-1674.

Garrasi, C., Degens, E. T. and Mopper, K. (1979). The free amino acid composition of seawater obtained without desalting and preconcentration. Marine Chemistry 8 (1) , pp. 71-85.

Dawson, R. and Mopper, K. (1978). A note on the losses of monosaccharides, amino sugars, and amino acids from extracts during concentration procedures. Analytical Biochemistry 84 (1) , pp. 186-190.

Dawson, R. and Mopper, K. (1978). An automatic analyzer for the specific determination of amino sugars. Analytical Biochemistry 84 (1) , pp. 191-195.

Mopper, K. (1978). Improved chromatographic separations on anion exchange resins: III. Sugars in borate medium. Analytical Biochemistry 87 (1) , pp. 162-168.

Mopper, K. (1978). Improved chromatographic separations on anion-exchange resins: I. Partition chromatography of sugars in ethanol. Analytical biochemistry 85 (2) , pp. 528-532.

Mopper, K. (1978). Improved chromatographic separations on anion-exchange resins: II. Separation of uronic acids in acetate medium and detection with a noncorrosive reagent. Analytical biochemistry 86 (2) , pp. 597-601.

Mopper, K. and Larsson, K. (1978). Uronic and other organic acids in Baltic Sea and Black Sea sediments. Geochimica et Cosmochimica Acta 42 (2) , pp. 153-163.

Mopper, K. (1977). Sugars and uronic acids in sediment and water from the Black Sea and North Sea with emphasis on analytical techniques. Marine Chemistry 5 (4) , pp. 585-603.

Michaelis, W., Mopper, K., Garrasi, C. and Degens, E. T. (1976). Organische Substanzen im Sediment und Wasser der Hamburger Alster. Die Hamburger Alster 46 , pp. 173-188.

Mopper, K. and Degens, E. T. (1975). Diagenesis of organic matter in marine soils. Soil Science 19 (1) , pp. 65-72.

Lindorth, O. and Mopper, K. (1974). High performance liquid chromatographic determination in picomole amounts of amino acids by precolumn fluorescence derivatization with 0-phthaldialdehyde. Anal Chem 51 , pp. 1667-1674.

Mopper, K. and Melvin Gindler, E. (1973). A new noncorrosive dye reagent for automatic sugar chromatography. Analytical biochemistry 56 (2) , pp. 440-442.

Hecky, R. E. and Mopper, K. (1973). The amino acid and sugar composition of diatom cell walls. Mar. Biol 19 , pp. 323-331.

Mopper, K. and Degens, E. T. (1972). A new chromatographic sugar autoanalyzer with a sensitivity of 10− 10 moles. Analytical biochemistry 45 (1) , pp. 147-153.

Harvey, G. R., Mopper, K. and Degens, E. T. (1972). Synthesis of carbohydrates and lipids on kaolinite. Chemical Geology 9 (1) , pp. 79-87.

Mopper, K. and Garlick, G. D. (1971). Oxygen isotope fractionation between biogenic silica and ocean water. Geochimica et Cosmochimica Acta 35 (11) , pp. 1185-1187.

Harvey, G. R., Degens, E. T. and Mopper, K. (1971). Synthesis of nitrogen heterocycles on kaolinite from CO2 and NH 3. Naturwissenschaften 58 (12) , pp. 624-625.

Books

Mopper, K., Stubbins, A., Hatcher, P. G. and Perdue, M. (2010). Addressing the Unknown Composition of Marine DOM: Is There a Need for Representative Standards of DOM for the Marine Biogeochemical Community?. American Geophysical Union.

Book Chapters

Mopper, K., Kieber, D. J. and Stubbins, A. (2015). Marine photochemistry: Processes and impacts Biogeochemistry of Marine Dissolved Organic Matter (pp. 389-450) Elsevier.

Mopper, K. and Qian, J. (2001). Water analysis: Organic carbon determinations Encyclopedia of Analytical Chemistry (pp. 3532-3541) New York, NY: John Wiley and Sons.

Mopper, K. and Kieber, D. J. (2000). Marine photochemistry and its impact on carbon cycling Effects of UV Radiation on Marine Ecosystems (pp. 101-129) Cambridge University Press.

Mopper, K. (1986). Organic chemical dynamics of the mixed layer: measurement of dissolved hydrophilic organics at sea Dynamic Processes in the Chemistry of the Upper Ocean (pp. 137-157) Springer US.

Hamberger, A., Jacobson, I., Lindroth, P., Mopper, K., Nyström, B., Sandberg, M., Molin, S. O. and Svanberg, U. (1980). Neuron-glia interactions in the biosynthesis and release of transmitter amino acids Amino Acid Neurotransmitters Raven Press.

Degens, E. T. and Mopper, K. (1979). Early diagenesis of sugars and amino acids in sediments Diagenesis in Sediments and Sedimentary Rocks (pp. 143-205) Amsterdam: Elsevier Scientific.

Mopper, K. and Degens, E. T. (1979). Organic carbon in the ocean: Nature and cycling The Global Carbon Cycle (pp. 293-316) John Wiley & Sons.

Degens, E. T. and Mopper, K. (1976). Factors controlling the distribution and early diagenesis of organic material in marine sediments Chemical Oceanography (pp. 59-113) Academic Press.

Conference Proceeding

Minor, E. C., Austin, J. A., Sun, L., Kelly, S., Zimmerman, R. C. and Mopper, K. (2016). The effects of turbulence on light exposure in a large-lake surface mixed-layer: a preliminary in-situ dual-dye study AGU Fall Meeting Abstracts.

Mopper, K., Chen, N., Helms, J. R. and Minor, E. (2005). Effect of pH on the photoreactivity and absorbance properties of terrestrial dissolved organic matter during estuarine transport Santiago de Compastelo: American Society of Limnology and Oceanography Meeting.

Minor, E. and Mopper, K. (2005). Photodegradation of dissolved organic matter from a temperate estuary Abstracts of papers of the American Chemical Society (pp. U886-U887) Washington D.C.: American Chemical Society.

Stubbins, A., Helms, J., Mopper, K., Kieber, D. and White, E. (2003). DOC photodegradation and the enhancement of microbial respiration in estuarine and coastal waters Abstracts of papers of the American Chemical Society (pp. U804-U804) Washington D.C.: American Chemical Society .

Mopper, K., Stubbins, A. P., Westby, G. G., Kieber, D. J., Kitidis, V., Guenther-Uher, Upstill-Goddard, R. and Woodward, M. (2003). Effects of photobleaching on CDOM absorbance in three mid-latitude estuaries Abstracts of papers of the American Chemical Society (pp. 319-321) Preprint Amer. Chem. Society.

Kieber, D., White, E. and Mopper, K. (2003). Photochemical formation of dissolved inorganic carbon in seawater: Analytical aspects and recent cruise results Abstracts of papers of the American Chemical Society (pp. U808-U808) Washington D.C.: American Chemical Society .

White, E. M., Kieber, D. J., Sherrard, J., Stubbins, A., Mopper, K., Miller, W. and Benati, D. S. (2003). Photochemical formation of dissolved inorganic carbon in the Delaware Estuary Abstracts of papers of the American Chemical Society (pp. U808-U808) Washington D.C.: American Chemical Society .

Davis, A. J., Kieber, D. J., Katz, D. R. and Mopper, K. (2003). Quantum yields for nitrite formation and decay in seawater Abstracts of papers of the American Chemical Society (pp. U809-U809) Washington D.C.: American Chemical Society.

Yocis, B., Kieber, D. and Mopper, K. (1995). Photochemical production of hydrogen-peroxide in Antarctic waters Abstracts of papers of the American Chemical Society (pp. 227) Washington D.C.: American Chemical Society .

Mopper, K., Qian, J. G. and Sarpal, R. S. (1995). Mechanisms of formation of low molecular-weight carbonyl-compounds and OH radicals from phenolic model compounds of humic substance Abstracts of the papers of the American Chemical Society (pp. 208) Washington D.C.: American Chemical Society.

Mopper, K. and Qian, J. G. (1992). Photochemical production of OH and formaldehyde in surface waters of the Gulf of Mexico Abstracts of papers of the American Chemical Society (pp. 1-ENVR) Washington D.C.: American Chemical Society.

Mopper, K., Kieber, R. J. and Zhou, X. (1992). Photodegradation and geochemical fate of river carbon in the sea Abstracts of papers of the American Chemical Society (pp. 62) Washington D.C.: American Chemical Society.

Mopper, K., Schultz, C. A., Devol, A. H. and Park, Y. C. (1991). Potential impact of dissolved organic-carbon (doc) flux out of margin sediments on oceanic doc Abstracts of papers of the American Chemical Society (pp. 17) Washington D.C.: American Chemical Society.

Vairavamurthy, A. and Mopper, K. (1989). Mechanistic studies of organosulfur (thiol) formation in coastal marine sediments Biogenic Sulfur in the Environment (pp. 231-242) American Chemical Society.

Kieber, R. and Mopper, K. (1989). Forfmation of carbonyl-compounds from the photodegradation of humic subtances in natural-waters Abstracts of papers of the American Chemical Society (pp. 95) Washington D.C.: American Chemical Society .

Vairavamurthy, A., Mopper, K. and Taylor, B. (1987). 3-Mercaptopropionic acid formation from dimethylsulfoniopropionate in anoxic coastal marine-sediments Abstracts of papers of the American Chemical Society (pp. 94-GEOC) Washington D.C.: American Chemical Society.

Vairavamurthy, A. and Mopper, K. (1987). Abiotic formation of 3-mercaptopropionate and other thiols in coastal marine-sediments = Abstracts of papers of the American Chemical Society (pp. 180-ENVR) Washington D.C.: American Chemical Society.

Mopper, K. and Zika, R. G. (1987). Natural photosensitizers in sea water: Riboflavin and its breakdown Abstracts of papers of the American Chemical Society American Chemical Society.

Kieber, D. J., Vaughan, G. and Mopper, K. (1987). Enzymatic determination of formic acid in natural-waters Abstracts of papers of the American Chemical Society (pp. 33) Washington D.C.: American Chemical Society.

Mopper, K. and Taylor, B. F. (1986). Biogeochemical cycling of sulfur: Thiols in coastal marine sediments Organic Marine Geochemistry (pp. 324-339) American Chemical Society.

Mopper, K. (1986). Potential impact of photooxidative cleavage of humic substances on the cycling of carbon in the sea Abstracts of papers of the American Chemical Society (pp. 18) Washington D.C.: American Chemical Society.

Mopper, K. (1984). The use of pre-column and post-column derivatization methods for liquid-chromatographic analysis carbohydrates from environmental samples Abstracts of papers of the American Chemical Society (pp. 12-CARB) Washington D.C.: American Chemical Society.

Mopper, K. and Garlick, G. D. (1968). Oxygen isotope fractionation between biogenic silica and ocean water (pp. 336) Washington D.C.: American Geophysical Union.

Presentations

Mopper, K., Sun, L., Qian, J. G. and Blough, N. V. (June , 2018). Insights into the photoproduction sites of hydroxyl radicals and LMW carbonyl compounds in DOM in natural waters (Abstract # 22510). Oral Presentation ASLO 2018 Summer Meeting Victoria, Canada.

Wang, R., Zhang, Z., Mopper, K. and Jiao, N. Z. (July , 2017). D-amino acids are refractory for marine bacteria. Gordon Research Conference: Chemical Oceanography New London, NH.

Bittar, T. B., Chen, H., Stubbins, A., Vieira, A. and Mopper, K. (November , 2016). Competition between photochemical and biological degradation of dissolved organic matter from the cyanobacteria Microcystis aeruginosa (Kützing) Oral Presentation 1st Congreso Iberoamericano de Limnología (CIL-2016) Valdivia, Chile.

Jennings, M., Mopper, K., Abdulla, H. A., Sun, L., Wang, R., Stubbins, A. and Hansell, D. (February , 2016). Optimization of a TOC/DOC analyzer with nM precision. Poster 2016 Ocean Sciences Meeting New Orleans, LA.

Minor, E. C., Austin, J. A., Sun, L., Kelly, S., Zimmerman, R. C. and Mopper, K. (February , 2016). The effects of turbulence on light exposure in a large-lake surface mixed-layer: a preliminary in-situ dual-dye study. Poster 2016 Ocean Sciences Meeting New Orleans, LA.

Abdulla, H. A. and Mopper, K. (December , 2015). The Removal of Terrestrial Dissolved Organic Matter in Coastal Regions by Photo-Flocculation Process. Poster 2015 American Geophysical Union Meeting San Francisco, CA.

Widner, B., Mulholland, M. R. and Mopper, K. (July , 2015). New Insights into Reduced Nitrogen: The Role of Cyanate in the Marine Nitrogen Cycle. Poster Gordon Research Conference: Chemical Oceanography Holderness, NH.

Widner, B., Post, A. F., Mulholland, M. R. and Mopper, K. (February , 2015). Combined Biogeochemical and Microbiological Tools Reveal Cyanate to be a Novel Nitrogen Source for Marine Phytoplankton. Oral Presentation 2015 Aquatic Sciences Meeting Granada, Spain.

Minor, E. C., Austin, J. A., Sun, L. and Mopper, K. (February , 2015). Using a Dual-Dye Lagrangian Approach to Measure Par Exposure in Lake Superior's Surface Waters: Snapshots from Spring and Summer (Abstract ID: 25408). Oral Presentation ASLO 2015 Aquatic Sciences Meeting Granada, Spain.

Bittar, T., Vieira, A. AH., Chen, H., Stubbins, A. and Mopper, K. (February , 2014). Competition between photochemical and biological degradation of dissolved organic matter released by the cyanobacteria Microcystis aeruginosa. Poster 2014 Ocean Sciences Meeting Honolulu, HI.

Widner, B., Mulholland, M. R., Mopper, K. and Bernhardt, P. (February , 2014). New Insights into Reduced Nitrogen: The Role of Cyanate in the Marine Nitrogen Cycle. Oral Presentation 2014 Ocean Sciences Meeting Honolulu, HI.

Mopper, K., Helms, J. R., Mao, J. D., Abdulla, H. A. and Schmidt-Roh, K. (December , 2013). Photochemical Flocculation of Terrestrial Dissolved Organic Matter (tDOM) and Iron: Mechanisms and Geochemical Implications. Abstract # OS53A-1682. Poster 2013 AGU Meeting San Francisco, CA.

Sun, L., Spencer, R. G., Dyda, R. Y., Hernes, P. J. and Mopper, K. (February , 2013). A Simplified CuO Oxidation Method for Characterization of Lignin Phenolics in Environmental Samples. Poster ASLO 2013 Aquatic Sciences Meeting New Orleans, LA.

Mopper, K., Abdulla, H., Sun, L. and Stubbins, A. (February , 2013). Development of A High-Precision TOC/DOC Analyzer with a Low Nanomolar (10-9 M) Detection Limit. Poster ASLO 2013 Aquatic Sciences Meeting New Orleans, LA.

Widner, B., Mopper, K. and Mulholland, M. R. (February , 2013). Distribution and Uptake of Cyanate in the Eastern Tropical North Pacific. Poster ASLO 2013 Aquatic Sciences Meeting New Orleans, LA.

Helms, J. R., Wetterauer, A. M., Dingess, E. C., Avery, G. B., Kieber, R. J., Mead, R. N., Skrabal, S. and Mopper, K. (February , 2013). Light Induced Flocculation and Dissolution of Chromophoric Organic Matter in Natural Waters. Oral Presentation ASLO 2013 Aquatic Sciences Meeting New Orleans, LA.

Chen, H., Stubbins, A., Mopper, K., Perdue, E. M., Green, N. W. and Hatcher, P. G. (February , 2013). Molecular Characterization of DOM by Ultrahigh Resolution Mass Spectrometry from Various Oceanic Water Masses Isolated by Reverse Osmosis-Electrodialysis. Poster ASLO 2013 Aquatic Sciences Meeting New Orleans, LA.

Helms, J. R., Stubbins, A. and Mopper, K. (February , 2013). Photochemical Bleaching of Deep-Sea Dissolved Organic Matter. Oral Presentation ASLO 2013 Aquatic Sciences Meeting New Orleans, LA.

Chen, H., Abdulla, H. A., Sun, L., Mopper, K. and Hatcher, P. G. (February , 2013). Photochemical Flocculation of Organic Matter in Iron Rich Waters Studied by ESI FTICR Mass Spectrometry. Oral Presentation ASLO 2013 Aquatic Sciences Meeting New Orleans, LA.

Abdulla, H. A., Chen, H., Sun, L., Helms, J., Mopper, K. and Hatcher, P. G. (February , 2013). Photochemically Induced Iron and Organic Matter Flocculation. Oral Presentation ASLO 2013 Aquatic Sciences Meeting New Orleans, LA.

Mopper, K., Helms, J. R., Chen, H., Green, N. W., Stubbins, A., Perdue, E. M., Hatcher, P. G. and Mao, J. (June , 2012). Characterization of the main fraction of dissolved organic matter (DOM) from diverse oceanic environments by reverse osmosis coupled with electrodialysis. Poster Goldschmidt Conference 2012 Montreal, Canada.

Widner, B., Mopper, K., Filippino, K. C., Morse, R., Bernhardt, P. and Mulholland, M. R. (February , 2012). A method for Cyanate detection in seawater. Poster 2012 Ocean Sciences Meeting Salt Lake City, UT.

Helms, J. R., Chen, H., Green, N. W., Stubbins, A., Perdue, E. M., Hatcher, P. G., Mopper, K. and Mao, J. D. (February , 2012). Characterization of the main fraction of dissolved organic matter from diverse oceanic environments by reverse osmosis coupled with electrodialysis. Poster 2012 Ocean Sciences Meeting Salt Lake City, UT.

Mopper, K., Helms, J. R., Schmidt-Rohr, K. and Mao, J. D. (February , 2012). Impact of photo-flocculation of terrestrial dissolved organic matter and iron on the marine DOM pool. Poster 2012 Ocean Sciences Meeting Salt Lake City, UT.

Abdulla, H. A., Mopper, K. and Hatcher, P. G. (February , 2012). Transformation of terrestrial polycarboxylate compounds: the “forgotten” component. Poster 2012 Ocean Sciences Meeting Salt Lake City, UT.

Helms, J. R., Schmidt-Rohr, K., Mao, J. D. and Mopper, K. (August , 2011). Mechanisms of light-induced flocculation of terrestrial dissolved organic matter and iron. Oral Presentation Goldschmidt Conference 2011 Prague, Czech Republic.

Chen, H., Stubbins, A., Mopper, K., Perdue, M., Green, N. W. and Hatcher, P. G. (August , 2011). Molecular characterization of dissolved organic matter by ultrahigh resolution mass spectrometry from various oceanic water masses isolated by coupled reverse osmosis- electrodialysis. Poster Gordon Research Conference Program: Chemical Oceanography Andover, NH.

Sun, L. and Mopper, K. (August , 2011). Determination of ammonium in natural waters. Poster Gordon Research Conference, Program: Chemical Oceanography Andover, NH.

Helms, J. R., Stubbins, A., Mao, J., Chen, H., Green, N., Perdue, E. M., Hatcher, P. G. and Mopper, K. (August , 2009). Reverse osmosis – electrodialysis: efficient isolation and advanced chemical characterization of oceanic dissolved organic matter. Poster Gordon Research Conference Chemical Oceanography Tilton, NH.

Mopper, K., Stubbins, A., Hatcher, P. G. and Perdue, E. Michael. (February , 2009). Addressing the unknown composition of marine DOM: Is there a need for representative standards of DOM for chemical oceanography? Poster Unknown Knowns & Known Unkowns. Chemical Oceanography in a Changing World Savannah, GA.

Stubbins, A., Spencer, R. G.M., Chen, H., Hatcher, P. G., Mopper, K., Hernes, P. J., Aufdenkampe, A. K., Baker, A., Dyda, R. Y., Mwamba, V. L., Mazedi, A. M., Wabakanghanzi, J. N. and Six, J. (February , 2009). Darkness illuminated: Molecular signatures of Congo River dissolved organic matter (DOM) and its photochemical alteration. Poster Unkown Knowns & Known Unkowns. Chemical Oceanography in a Changing World Savannah, GA.

Green, N. W., Shantz, A., Chen, H., Teja, A. S., Mao, J., Mopper, K., Hatcher, P. G., Stubbins, A. and Perdue, E. M. (February , 2009). Isolation of marine DOM using coupled reverse osmosis and electrodialysis. Poster Unkown Knowns & Known Unkowns. Chemical Oceanography in a Changing World Savannah, GA.

Chen, H., Hatcher, P. G., Stubbins, A., Mopper, K., Perdue, E. M. and Green, N. (February , 2009). Molecular characterization of dissolved organic matter from surface, oxygen minimum layer and deep ocean by electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry. Poster Unkown Knowns & Known Unkowns. Chemical Oceanography in a Changing World Savannah, GA.

Helms, J., Mopper, K., Stubbins, A. and Kieber, D. (February , 2009). New approaches for evaluating oceanic absorption spectra. Poster Unkown Knowns & Known Unkowns. Chemical Oceanography in a Changing World Savannah, GA.

Bittar, T. B., Stubbins, A., Mopper, K. and Vieira, A. H. (February , 2009). Photo- and biodegradation of extracellular dissolved organic matter released by cyanobacteria. Poster Unkown Knowns & Known Unkowns. Chemical Oceanography in a Changing World Savannah, GA.

Spencer, R. G.M.., Stubbins, A., Hernes, P. J., Aufdenkampe, A. K., Gulliver, P., Mopper, K., Baker, A., Dyda, R. Y. and Six, J. W. (December , 2008). Geochemistry and Reactivity of Exported Congo Riverine Dissolved Organic Matter. Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract H21H-0943. Oral Presentation 2008 American Geophysical Union (AGU) Fall Meeting San Francisco, CA.

Mopper, K. (April 11, 2008). Absorption spectra and spectral slopes as indicators of molecular weight and source of dissolved organic matter: Implications in ballast water source and remote sensing of coastal ocean color .

Mopper, K., Helms, J., Stubbins, A., Ritchie, J., Minor, E. and Kieber, D. (March , 2008). Absorbance spectral slopes and slope ratios as indicators of molecular weight and sources of estuarine CDOM. Oral Presentation AGU-ASLO-TOS Ocean Sciences Meeting (Session 079 Photobiogeochemistry: Shedding Light on Biogeochemical Cycles from Rivers to the Sea) Orlando, FL.

Stubbins, A., Mopper, K., Hubbard, V., Uher, G., Upstill-Goddard, R. G., Law, C. S. and Aiken, G. (March , 2008). Relating carbon monoxide photoproduction to organic matter functionality. Oral Presentation AGU-ASLO-TOS Ocean Sciences Meeting (Session 079 Photobiogeochemistry: Shedding Light on Biogeochemical Cycles from Rivers to the Sea) Orlando, FL.

White, E. M., Wang, W., Kieber, D. J. and Mopper, K. (March , 2008). Semi-automated method for determination of photochemically produced carbon dioxide from dissolved organic matter in marine waters. Poster AGU-ASLO-TOS Ocean Sciences Meeting (Session 079 Photobiogeochemistry: Shedding Light on Biogeochemical Cycles from Rivers to the Sea) Orlando, FL.

Helms, J. R., Stubbins, A. and Mopper, K. (March , 2008). The photochemical interference in oxygen-based measurements of primary productivity. Poster AGU-ASLO-TOS Ocean Sciences Meeting (Session 079 Photobiogeochemistry: Shedding Light on Biogeochemical Cycles from Rivers to the Sea) Orlando, FL.

Helms, J. R., Mopper, K., Ritchie, J., Stubbins, A., Minor, E. C. and Kieber, D. J. (August , 2007). Absorbance spectral slopes and slope ratios as indicators of CDOM molecular weight and oceanographic processes. Poster Gordon Research Conference: Chemical Oceanography Tilton School, NH.

Minor, E. C., Dalzell, B. and Mopper, K. (August , 2007). Photodegradation of estuarine dissolved organic matter: a multiproxy investigation of DOM transformations. Poster Gordon Research Conference: Chemical Oceanography Tilton School, NH.

Davis, J. A., Stubbins, A., Helms, J., Dias, R. F. and Mopper, K. (August , 2007). Using ^18O as a tracer of oxygen in the photochemical alteration of dissolved organic matter. Poster Gordon Research Conference: Chemical Oceanography Tilton School, NH.

Helms, J. R., Stubbins, A., Ritchie, J., Minor, E. C., Kieber, D. J. and Mopper, K. (April , 2007). Using DOM absorbance to characterize natural waters, including wetland and marine samples: New evidence for in situ DOM degradation during estuarine transit 10th International Symposium on Wetlands Biogeochemistry Annapolis, MD.

Mopper, K. (April 13, 2007). New approaches to using absorbance and spectral slopes to evaluate DOM molecular weight and degradation - implications in estuarine C-cycling .

Boehme, J., Stedmon, C., Boyd, T., Chen, R., Coble, P., Cooper, W., Mopper, K., Wells, M. and Zepp, R. (December , 2006). Fluorescence intercalibration experiment: A multi-laboratory comparison of correction procedures for fluorescence analysis of dissolved organic matter. Poster 2006 AGU Fall Meeting San Francisco, CA.

Davis, J. A., Stubbins, A., Helms, J. R., Dias, R. F. and Mopper, K. (December , 2006). Using ^18O as a tracer of oxygen in the photochemical alteration of dissolved organic matter. Oral Presentation 2006 AGU Fall Meeting San Francisco, CA.

Mopper, K. (August 21, 2006). A non-radioactive method for estimating bacterial activity: Alimar Blue Brazil.

Mopper, K. (August 21, 2006). Microbial and photochemical oxidation of organic matter estuaries and lakes Brazil.

White, E. M., Kieber, D. J. and Mopper, K. (June , 2006). Photochemical reactivity of dissolved organic matter along an estuarine gradient. Poster Gordon Research Conference. Environmental Sciences: Water .

Minor, E. C., Mopper, K. and Dalzell, B. J. (February , 2006). DOM photodegradation in a temperate estuary. Oral Presentation AGU-ASLO-TOS Ocean Sciences Meeting Honolulu, Hawaii.

Mopper, K., Helms, J. R., Stubbins, A., Chen, N., Minor, E. C. and Dalzell, B. (February , 2006). Effect of pH and ionic strength on terrestrial DOM photoreactivity: Implications in estuarine DOM transformations. Oral Presentation AGU-ASLO-TOS Ocean Sciences Meeting Honolulu, Hawaii.

Hubbard, V. A., Stubbins, A. and Mopper, K. (February , 2006). Evaluating CO photoproduction pathways from DOM using simple aromatics and lignin phenolics as model DOM chromophoric sites. Poster AGU-ASLO-TOS Ocean Sciences Meeting Honolulu, Hawaii.

Stubbins, A., Uher, G., Law, C., Mopper, K., Robinson, C. and Upstill-Goddard, R. (February , 2006). Oceanic carbon monoxide photoproduction. Poster AGU-ASLO-TOS Ocean Sciences Meeting Honolulu, Hawaii.

White, E. M., Kieber, D. J., Stubbins, A. and Mopper, K. (February , 2006). Photochemical production of dissolved inorganic carbon in the Delaware Estuary and Northwest Atlantic Ocean. Oral Presentation AGU-ASLO-TOS Ocean Sciences Meeting Honolulu, Hawaii.

Helms, J. R., Mopper, K., Minor, E. C. and Kieber, D. J. (February , 2006). Spectral slope as an indicator of molecular weight in chromophoric dissolved organic matter. Poster AGU-ASLO-TOS Ocean Sciences Meeting Honolulu, Hawaii.

Ritchie, J. and Mopper, K. (February , 2006). The use of Alamar Blue for monitoring bacterial activity in natural waters: Application to the effects of photochemistry. Poster AGU-ASLO-TOS Ocean Sciences Meeting Honolulu, Hawaii.

Mopper, K., Chen, N., Helms, J. R. and Minor, E. C. (June , 2005). Effect of pH on the photoreactivity of terrestrial DOM during estuarine transport. Oral Presentation American Society of Limnology and Oceanography Meeting Santiago de Compastelo, Spain.

Minor, E. C., Pothen, J. and Mopper, K. (June , 2005). Effect of salinity on the photoreactivity of terrestrial dissolved organic matter from Great Dismal Swamp. Oral Presentation American Society of Limnology and Oceanography Meeting Santiago de Compastelo, Spain.

White, E. M., Kieber, D. J. and Mopper, K. (June , 2005). Photochemical transformation of terrestrial dissolved organic matter in the Delaware estuary. Oral Presentation American Society of Limnology and Oceanography Meeting Santiago de Compastelo, Spain.

Minor, E. C. and Mopper, K. (March , 2005). Photodegradation of dissolved organic matter from a temperate estuary (GEOC 34). Oral Presentation 229th ACS National Meeting San Diego, CA.

Pothen, J., Minor, E. C. and Mopper, K. (February , 2005). Effects of salinity changes on the photodegradation of dissolved organic matter from Great Dismal Swamp, VA. Poster ASLO 2005 Aquatic Sciences Meeting Salt Lake City, Utah.

• 2017: In the top ten most highly cited researchers at ODU, Google Scholar
• 2016: Most cited researcher in the Deparment of Chemistry and Biochemistryfor 2015-2016, Research Gate
• 2016: The Top 60 Papers from the First 60 Years of L&O [Limnology & Oceanography], Limnology & Oceanography (Impact Factor 4.3) L&O 60th Anniversary Special Collection
• 2016: 2015-2016 Distinguished Research Award, College of Sciences, Old Dominion University
• 2016: 32nd Annual Reasearch Award, Old Dominion University
• 2015: "Ocean Carbon Chair Professorship of Xiamen University" China,
• 2014: NSF “Research Highlight”, National Science Foundation
• 2014: ETH Zurich Research Fellowship Award, Swiss Federal Institute of Technology in Zurich
• 2014: University of Oldenburg Research Fellowship Award, University of Oldenburg, Germany
• 2013: Elected as a Fellow of the American Geophysical Union (AGU), American Geophysical Union (AGU)
• 2013: C&EN special news feature, Chemical & Engineering News
• 2006: Most Inspirational Faculty Member , ODU College of Sciences
• 2006: Selected for an interactive lunch meeting by Present Runte, Old Dominion University
• 2004: San Paulo Research Foundation, Brazil (FAPESP) Fellowship, Federal University of São Carlos
• 2001: Centre National de la Recherche Scientifique (CNRS) Fellowship, Centre d'Oceanologie de Marseille, Marseille, France
• 1999: Ray Lankester Investigatorship Award, Marine Biological Association of the U.K.
• 1999: Lund University Guest Researcher Fellowship, Lund Universit
• 1999: Hanse Institute for Advanced Study Fellowship, Max Planck Institut
• 1995: Antarctic Service Medal for Scientific Achievement, Department of the Navy (as authorized by U.S. Congress)
• 1995: Antarctic Service Medal for Scientific Achievement, The National Science Foundation (as authorized by U.S. Congress)
• 1973: Thord-Gray Memorial Fund Fellowship, American-Scandinavian Foundation