Publications

Publications (last updated April 2020)

 

Google Scholar Profile [Link]

 

Published Journal Articles:

 

  1. Kellerman, A.M., Hawkings, J.R., Wadham, J.L., Kohler, T.J., Stibal, M., Grater, E., Marshall, M., Hatton, J.E., Beaton, A., Spencer, R.G.M. 2020. Glacier outflow dissolved organic matter as a window into seasonally changing carbon sources: Leverett Glacier, Greenland. Journal of Geophysical Research-Biogeosciences, 125: doi: 10.1029/2019JG005161. [Link]

 

  1. Eckard, R.S., Bergamaschi, B.A., Pellerin, B., Spencer, R.G.M., Dyda, R., Hernes, P.J. 2020. Organic matter integration, overprinting, and the relative fraction of optically active organic carbon in a human-impact watershed. Frontiers in Earth Science, 8, 67. [Link]

 

  1. Zolkos, S., Krabbenhoft, D.P., Suslova, A., Tank, S.E., McClelland, J.W., Spencer, R.G.M., Shiklomanov, A., Zhulidov, A.V., Gurtovaya, T., Zimov, N., Zimov, S., Mutter, E.A., Kutny, L., Amos, E., Holmes, R.M. 2020. Mercury export from Arctic Great Rivers. Environmental Science & Technology, 54, 4140-4148. [Link]

 

  1. Connolly, C.T., Cardenas, M.B., Burkart, G.A., Spencer, R.G.M., McClelland, J.W. 2020. Groundwater as a major source of dissolved organic matter to Arctic coastal waters. Nature Communications, 11, 1479. [Link]

 

  1. McDonough, L.K., Rutlidge, H., O’Carroll, D.M., Andersen, M.S., Meredith, K., Behnke, M.I., Spencer, R.G.M., McKenna, A.M., Marjo, C.E., Oudone, P., Baker, A. 2020. Characterisation of shallow groundwater dissolved organic matter in aeolian, alluvial and fractured rock aquifers. Geochimica et Cosmochimica Acta, 273, 163-176. [Link]

 

  1. Zito, P., Podgorski, D.C., Bartges, T., Guillemette, F., Roebuck, J.A., Spencer, R.G.M., Rodgers, R.P., Tarr, M.A. 2020. Sunlight induced molecular progression of oil into oxidized soluble species, interfacial material, and dissolved organic matter. Energy & Fuels: doi: 10.1021/acs.energyfuels.9b04408. [Link]

 

  1. Carey, J.C., Gewirtzman, J., Johnston, S.E., Kurtz, A., Tang, J., Vieillard, A.M., Spencer, R.G.M. 2020. Arctic river dissolved and biogenic silicon exports – current conditions and future changes with warming. Global Biogeochemical Cycles, 34: doi: 1029/2019GB006308. [Link]

 

  1. Johnston, S.E., Striegl, R.G., Bogard, M.J., Dornblaser, M.M., Butman, D.E., Kellerman, A.M., Wickland, K.P., Podgorski, D.C., Spencer, R.G.M. 2020. Hydrologic connectivity determines dissolved organic matter biogeochemistry in northern high-latitude lakes. Limnology and Oceanography: doi: 10.1002/lno.11417. [Link]

 

  1. McDonough, L.K., O’Carroll, D.M., Meredith, K., Andersen, M.S., Brugger, C., Huang, H., Rutlidge, H., Behnke, M.I., Spencer, R.G.M., McKenna, A., Marjo, C.E., Oudone, P., Baker, A. 2020. Changes in groundwater dissolved organic matter character in a coastal sand aquifer due to rainfall recharge. Water Research, 169, 115201. [Link]

 

  1. Kellerman, A.M., Arellano, A., Podgorski, D.C., Martin, E.E., Martin, J.B., Deuerling, K.M., Bianchi, T.S., Spencer, R.G.M. 2019. Fundamental drivers of dissolved organic matter composition across an Arctic effective precipitation gradient. Limnology and Oceanography: doi: 10.1002/lno.11385. [Link]

 

  1. Johnston, S.E., Bogard, M.J., Rogers, J.A., Butman, D., Striegl, R.G., Bornblaser, M., Spencer, R.G.M. 2019. Constraining dissolved organic matter sources and temporal variability in a model sub-Arctic lake. Biogeochemistry,146, 271-292. [Link]

 

  1. Zhou, Y., Zhou, L., Zhang, Y., de Souza, J.G., Podgorski, D.C., Spencer, R.G.M., Jeppesen, E., Davidson, T.A. 2019. Autochthonous dissolved organic matter potentially fuels methane ebullition from experimental lakes. Water Research, 166, 115048. [Link]

 

  1. Wagner, S., Brandes, J., Spencer, R.G.M., Ma, K., Rosengard, S.Z., Moura, J.M.S., Stubbins, A. 2019. Isotopic composition of oceanic dissolved black carbon reveals non-riverine source. Nature Communications, 10, 5064. [Link]

 

  1. Drake, T.W., Podgorski, D.C., Dinga, B., Chanton, J., Six, J., Spencer, R.G.M. 2019. Land-use controls on carbon biogeochemistry in lowland streams of the Congo Basin. Global Change Biology: doi: 10.1111/gcb.14889. [Link]

 

  1. Textor, S.R., Wickland, K.P., Podgorski, D.C., Johnston, S.E., Spencer, R.G.M. 2019. Dissolved organic carbon turnover in permafrost-influenced watersheds of Interior Alaska: Molecular insights and the priming effect. Frontiers in Earth Science, 24: doi: 10.3389/feart.2019.00275. [Link]

 

  1. Harfmann, J.L., Guillemette, F., Kaiser, K., Spencer, R.G.M., Chuang, C.Y., Hernes, P.J. 2019. Convergence of terrestrial dissolved organic matter composition and the role of microbial buffering in aquatic ecosystems. Journal of Geophysical Research-Biogeosciences, 124: doi: 10.1029/2018JG004997. [Link]

 

  1. Zhou, Y., Zhou, L., He, X., Jang, K.S., Yao, X., Hu, Y., Zhang, Y., Li, X., Spencer, R.G.M., Brookes, J.D., Jeppesen, E. 2019. Variability in dissolved organic matter composition and biolability across gradients of glacial coverage and distance from glacial terminus on the Tibetan Plateau. Environmental Science & Technology, 53, 12207-12217. [Link]

 

  1. Wadham, J.L., Hawkings, J.R., Tarasov, L., Gregoire, L.J., Spencer, R.G.M., Gutjahr, M., Ridgwell, A., Kohfeld, K.E. 2019. Ice sheets matter for the global carbon cycle. Nature Communications, 10, 3567. [Link]

 

  1. Bogard, M.J., Johnston, S.E., Dornblaser, M.M., Spencer, R.G.M., Striegl, R.G., Butman, D.E. 2019. Extreme rates and diel variability of planktonic respiration in a shallow sub-arctic lake. Aquatic Sciences, 81, 60-68. [Link]

 

  1. Zherebker, A., Podgorski, D.C., Kholodov, V.A., Orlov, A.A., Yaroslavtseva, N.V., Kharybin, O., Kholodov, A., Spector, V., Spencer, R.G.M., Nikolaev, E., Perminova, I.V. 2019. The molecular composition of humic substances isolated from Yedoma permafrost and alas cores in the Eastern Siberian Arctic as measured by ultrahigh resolution mass spectrometry. Journal of Geophysical Research-Biogeosciences, 124: doi: 10.1029/2018JG004743 [Link]

 

  1. Drake, T.W., Van Oost, K., Barthel, M., Hoyt, A.M., Podgorski, D.C., Six, J., Boeckx, P., Trumbore, S.E., Ntaboba, L.C., Spencer, R.G.M. 2019. Mobilization of aged and biolabile soil carbon by tropical deforestation. Nature Geoscience, 12, 541-546. [Link]

 

  1. Zito, P., Podgorski, D.C., Johnson, J., Chen, H., Rodgers, R.P., Guillemette, F., Kellerman, A.M., Spencer, R.G.M., Tarr, M.A. 2019. The molecular-level composition and acute toxicity of photosolubilized petrogenic carbon. Environmental Science & Technology, 53, 8235-8243. [Link]

 

  1. Spencer, R.G.M., Kellerman, A.M., Podgorski, D.C., Macedo, M.N., Jankowski, K.J., Nunes, D., Neill, C. 2019. Identifying the molecular signatures of agricultural expansion in Amazonian headwater streams. Journal of Geophysical Research-Biogeosciences, 124: doi: 10.1029/2018JG004910. [Link]

 

  1. Heslop, J.K., Winkel, M., Walter Anthony, K.M., Spencer, R.G.M., Podgorski, D.C., Zito, P., Kholodov, A., Zhang, M., Liebner, S. 2019. Increasing organic carbon biolability with depth in yedoma permafrost: ramifications for future climate change. Journal of Geophysical Research-Biogeosciences, 124: doi: 10.1029/2018JG004712. [Link]

 

  1. Zhou, L., Zhou, Y., Hu, Y., Cai, J., Liu, X., Bai, C., Tang, X., Zhang, Y., Jang, J.S., Spencer, R.G.M., Jeppesen, E. 2019. Microbial production and consumption of dissolved organic matter in glacial ecosystems on the Tibetan Plateau. Water Research, 160, 18-28. [Link]

 

  1. Zhou, Y., Li, Y., Yao, X., Ding, W., Zhang, Y., Jeppesen, E., Zhang, Y., Podgorski, D.C., Chen, C., Ding, Y., Wu, H., Spencer, R.G.M. 2019. Response of chromophoric dissolved organic matter dynamics to tidal oscillations and anthropogenic disturbances in a large subtropical estuary. Science of the Total Environment, 662, 769-778. [Link]

 

  1. Bogard, M.J., Kuhn, C.D., Johnston, S.E., Striegl, R.G., Holtgrieve, G.W., Dornblaser, M.M., Spencer, R.G.M., Wickland, K.P., Butman, D.E. 2019. Negligible cycling of terrestrial carbon in many lakes of the arid circumpolar landscape. Nature Geoscience, 12, 180-185. [Link]

 

  1. Yates, C.A., Johnes, P.J., Spencer, R.G.M. 2019. Characterisation of treated effluent from four commonly employed wastewater treatment facilities: A UK case study. Journal of Environmental Management, 232, 919-927.[Link]

 

  1. Hemingway, J.D., Spencer, R.G.M., Podgorski, D.C., Zito, P., Sen, I.S., Galy, V.V. 2019. Glacier meltwater and monsoon precipitation drive Upper Ganges Basin dissolved organic matter composition. Geochimica et Cosmochimica Acta, 244, 216-228. [Link]

 

  1. Wang, Y., Spencer, R.G.M., Podgorski, D.C., Kellerman, A.M., Rashid, H., Zito, P., Xiao, W., Wei, D., Yang, Y., Xu, Y. 2018. Spatiotemporal transformation of dissolved organic matter along an alpine stream flowpath on the Qiinghai-Tibetan Plateau: importance of source and permafrost degradation. Biogeosciences, 15, 6637-6648. [Link]

 

  1. Drake, T.W., Holmes, R.M., Zhulidov, A.V., Gurtovaya, T., Raymond, P.A., McClelland, J.W., Spencer, R.G.M.2018. Multi-decadal climate-induced changes in arctic tundra lake geochemistry and geomorphology. Limnology and Oceanography, 64: doi: 10.1002/lno.11015. [Link]

 

  1. Bao, H., Yi, Y., Wang, C., Spencer, R.G.M., Deng, X., Guo, W. 2018. Dissolved organic matter in coastal rainwater: Concentration, bioavailability, and depostional flux to seawater in southeastern China. Marine Chemistry,204, 48-55. [Link]

 

  1. Textor, S.R., Guillemette, F., Zito, P., Spencer, R.G.M. 2018. An assessment of dissolved organic carbon biodegradability and priming in blackwater systems. Journal of Geophysical Research-Biogeosciences 123: doi: 10.1029/2018JG004470. [Link]

 

  1. Luzius, C., Guillemette, F., Podgorski, D.C., Kellerman, A.M., Spencer, R.G.M. 2018. Drivers of dissolved organic matter in the vent and major conduits of the world’s largest freshwater spring. Journal of Geophysical Research-Biogeosciences 123: doi: 10.1029/2017JG004327. [Link]

 

  1. Zhou, Y., Xiao, Q., Yao, X., Zhang, Y., Zhang, M., Shi, K., Lee, X., Podgorski, D.C., Qin, B., Spencer, R.G.M., Jeppesen, E. 2018. Accumulation of terrestrial dissolved organic matter potentially enhances dissolved methane levels in eutrophic lake Taihu, China. Environmental Science & Technology, 52, 10297-10306. [Link]

 

  1. Drake, T.W., Tank, S.E., Zhulidov, A.V., Holmes, R.M., Gurtovaya, Spencer, R.G.M. 2018. Increasing alkalinity export from large Russian rivers. Environmental Science & Technology, 52, 8302-8308. [Link]

 

  1. Johnston, S.E., Shorina, N., Bulygina, E., Vorobjeva, T., Chupakova, A., Klimov, S.I., Kellerman, A.M., Guillemette, F., Shiklomanov, A., Podgorski, D.C., Spencer, R.G.M. 2018. Flux and seasonality of dissolved organic matter from the Northern Dvina (Severnaya Dvina) River, Russia. Journal of Geophysical Research-Biogeosciences 123: doi: 10.1002/2017JG004337. [Link]

 

  1. Drake, T.W., Guillemette, F., Hemingway, J.D., Chanton, J.P., Podgorski, D.C., Zimov, N.S., Spencer, R.G.M. 2018. The ephemeral signature of permafrost carbon in an arctic fluvial network. Journal of Geophysical Research-Biogeosciences 123: doi: 10.1029/2017JG004311. [Link]

 

  1. Burke, A., Present, T.M., Paris, G., Rae, E.C.M., Sandilands, B.H., Gaillardet, J., Peucker-Ehrenbrink, B., Fischer, W.W., McClelland, J.W., Spencer, R.G.M., Voss, B.M., Adkins, J.F. 2018. Sulfur isotopes in rivers: Insights into global weathering budgets, pyrite oxidation, and the modern sulfur cycle. Earth and Planetary Science Letters, 496, 168-177. [Link]

 

  1. Podgorski, D.C., Zito, P., McGuire, J.T., Martinovic-Weigelt, D., Cozzarelli, I.M., Bekins, B.A., Spencer, R.G.M.2018. Examining natural attention and acute toxicity of petroleum-derived dissolved organic matter with optical spectroscopy. Environmental Science & Technology, 52, 6157-6166. [Link]

 

  1. Wang, Y., Xu, Y., Spencer, R.G.M., Zito, P., Kellerman, A., Podgorski, D., Xiao, W., Wei, H., Yang, R.Y. 2018. Selective leaching of dissolved organic matter from alpine permafrost soils on the Qinghai-Tibetan Plateau. Journal of Geophysical Research-Biogeosciences 123: 1005-1016. [Link]

 

  1. Kellerman, A.M., Guillemette, F., Podgorski, D.C., Aiken, G.R., Butler, K.D., Spencer, R.G.M. 2018. Unifying concepts linking dissolved organic matter composition to persistence in aquatic ecosystems. Environmental Science & Technology, 52, 2538-2548. [Link]

 

  1. Bauters, M., Drake, T.W., Verbeeck, H., Bode, S., Herve-Fernandez, P., Zito, P., Podgorski, D.C., Boyemba, F., Makelele, I., Ntaboba, L.C., Spencer, R.G.M., Boeckx, P. 2018. High fire-derived nitrogen deposition on central African forests. Proceedings of the National Academy of Sciences, 115: 549-554. [Link]

 

  1. Drake, T.W., Raymond, P.A., Spencer, R.G.M. 2017. Terrestrial carbon inputs to inland waters: A current synthesis of estimates and uncertainty. Limnology and Oceanography Letters: doi: 10.1002/lol2.10055. [Link]

 

  1. Pelletier, A.R., Castello, L., Zhulidov, A.V., Gurtovaya, T.Y., Robarts, R.D., Holmes, R.M., Zhulidov, D.A., Spencer, R.G.M. 2017. Temporal and longitudinal mercury trends in burbot (Lota lota) in the Russian Arctic. Environmental Science & Technology 51: 13436-13442. [Link]

 

  1. Eckard, R.S., Pellerin, B.A., Bergamaschi, B.A., Bachand, P.A.M., Bachand, S.M., Spencer, R.G.M., Hernes, P.J. 2017. Dissolved organic matter compositional change and biolability during two storm runoff events in a small agricultural watershed. Journal of Geophysical Research-Biogeosciences 122: 2634-2650. [Link]

 

  1. Matiasek, S.J., Pellerin, B.A., Spencer, R.G.M., Bergamaschi, B.A., Hernes, P.J. 2017. Irrigation as a fuel pump to freshwater ecosystems. Biogeochemistry 136: 71-90. [Link]

 

  1. Hemingway, J.D., Schefuss, E., Spencer, R.G.M., Dinga, J.B., Eglinton, T.I., McIntyre, C., Galy, V.V. 2017. Hydrologic controls on seasonal and inter-annual variability of Congo River particulate organic matter source and reservoir age. Chemical Geology 466: 454-465. [Link]

 

  1. Wagner, S., Brandes, J., Goranov, A., Drake, T.W., Spencer, R.G.M., Stubbins, A. 2017. Online quanitification and compound-specific stable isotopic analysis of blackcarbon in environmental matrices via liquid chromatography-isotope ratio mass spectrometry. Limnology and Oceanography: Methods: doi: 10.1002/lom3.10219. [Link]

 

  1. Guillemette, F., Bianchi, T.S., Spencer, R.G.M. 2017. Old before your time: Ancient carbon incorporation in contemporary aquatic foodwebs. Limnology and Oceanography 62: 13929242. [Link]

 

  1. Stubbins, A., Mann, P.J., Powers, L., Bittar, T.B., Dittmar, T., McIntyre, C., Eglinton, T.I., Zimov, N., Spencer, R.G.M. 2017. Low photolability of yedoma permafrost dissolved organic carbon. Journal of Geophysical Research-Biogeosciences 122: 200-211. [Link]

 

  1. Zhou, Y., Ma, Y., Zhang, Y., Qin B., Jeppesen, E., Shi, K., Brookes, J.D., Spencer, R.G.M., Zhu, G., Gao, G. 2017. Improving water quality in China: Environmental investment pays dividends. Water Research 118: 152-159. [Link]

 

  1. Hernes, P.J., Spencer, R.G.M., Dyda, R.Y., O’Geen, A.T., Dahlgren, R.A. 2017. The genesis and exodus of vascular plant DOM from an oak woodland. Frontiers in Earth Science 5: 9. [Link]

 

  1. Shmelev, D., Veremeeva, A., Kraev, G., Kholodov, A., Spencer, R.G.M., Walker, W.S., Rivkina, E. 2017. Estimation and seinsitivity of carbon storage in permafrost of North-Eastern Yakutia. Permafrost and Periglacial Processes 28: 379-390. [Link]

 

  1. Riedel, T., Zark, M., Vahatalo, A.V., Niggemann, J., Spencer, R.G.M., Hernes, P.J., Dittmar, T. 2016. Molecular signatures of biogeochemical transformations in dissolved organic matter from ten World Rivers. Frontiers in Earth Science 4: 85. [Link]

 

  1. Bittar, T.B., Berger, S.A., Birsa, L.M., Walters, T.L., Thompson, M.E., Spencer, R.G.M., Mann, E.L., Stubbins, A., Frischer, M.E., Brandes, J.A. 2016. Seasonal dynamics of dissolved, particulate and microbial components of a tidal saltmarsh-dominated estuary under contrasting levels of freshwater discharge. Estuarine, Coastal and Shelf Science 182: 72-85. [Link]

 

  1. Yates, C.A., Johnes, P.J., Spencer, R.G.M. 2016. Assesing the drivers of dissolved organic matter export from two contrasting lowland catchments, U.K. Science of the Total Environment 569: 1330-1340. [Link]

 

  1. O’Donnell, J.A., Aiken, G.R., Butler, K.D., Guillemette, F., Podgorski, D.C., Spencer, R.G.M. 2016. DOM composition and transformation in boreal forest soils: The effects of temperature and organic-horizon decomposition state. Journal of Geophysical Research-Biogeosciences 121: 2727-2744. [Link]

 

  1. Bischoff, J., Sparkes, R.B., Spencer, R.G.M., Semiletov, I.P., Dudarev, O.V., van Dongen, B.E., Talbot, H.M. 2016. Source, transport and fate of soil organic matter inferred from microbial biomarker lipids on the East Siberian Arctic Shelf. Biogeosciences 13: 4899-5001. [Link]

 

  1. Oliver, A.A., Spencer, R.G.M., Deas, M.L., Dahlgren, R.A. 2016. Impacts of seasonality and anthropogenic impoundments on dissolved organic matter dynamics in the Klamath River (Oregon/California, USA). Journal of Geophysical Research-Biogeosciences 121: 1946-1958. [Link]

 

  1. Spencer, R.G.M., Hernes, P.J., Dinga, B., Wabakanghanzi, J.N., Drake, T.W., Six, J. 2016. Origins, seasonality and fluxes of organic matter in the Congo River. Global Biogeochemical Cycles 30: 1105-1121. [Link]

 

  1. Henchiri, S., Gaillardet, J., Dellinger, M., Bouchez, J., Spencer, R.G.M. 2016. Temporal variations of dissolved lithium isotopic signatures in rivers reveal contrasted weathering regimes in low-relief Central African settings. Geophysical Research Letters 43: 4391-4399. [Link]

 

  1. Alsdorf, D., Beighley, E., Laraque, A., Lee, H., Tshimanga, R., O’Loughlin, F., Mahe, G., Dinga, B., Moukandi, G., Spencer, R.G.M. 2016. Opportunities for hydrologic research in the Congo Basin. Reviews of Geophysics 54: 1-32. [Link]

 

  1. Medeiros, P., Seidel, M., Niggemann, J., Spencer, R.G.M., Hernes, P.J., Yager, P.L., Miller, W.L., Dittmar, T., Hansell, D.A. 2016. A novel molecular approach for tracing terrigenous dissolved organic matter into the deep ocean. Global Biogeochemical Cycles 30: 689-700. [Link]

 

  1. McClelland, J.W., Holmes, R.M., Peterson, B.J., Raymond, P.A., Striegl, R.G., Zhulidov, A.V., Zimov, S.A., Zimov, N., Tank, S.E., Spencer, R.G.M., Staples, R., Gurtovaya, T.Y., Griffin, C.G. 2016. Particulate organic carbon and nitrogen export from major Arctic rivers. Global Biogeochemical Cycles 30: 629-643. [Link]

 

  1. Cao, X., Aiken, G.R., Spencer, R.G.M., Butler, K., Mao, J., Schmidt-Rohr, K. 2016. Novel insights from NMR spectroscopy into seasonal changes in the composition of dissolved organic matter exported to the Bering Sea by the Yukon River. Geochimica et Cosmochimica Acta 181: 72-88. [Link]

 

  1. Abbott, B.W. and 99 co-authors including Spencer, R.G.M. 2016. Biomass offsets little or none of permafrost carbon release from soils, streams, and wildfire: an expert assessment. Environmental Research Letters 11: 034014.[Link]

 

  1. Mann, P.J., Spencer, R.G.M., Hernes, P.J., Six, J., Aiken, G.R., Tank, S.E., McClelland, J.W., Butler, K.D., Dyda, R.Y., Holmes, R.M. 2016. Pan-arctic trends in terrestrial dissolved organic matter from optical measurements. Frontiers in Earth Science 4: 25. [Link]

 

  1. Spencer-Jones, C.L., Wagner, T., Dinga, B.J., Schefuss, E., Mann, P.J., Poulsen, J.R., Spencer, R.G.M., Wabakamghanzi, J.N., Talbot, H.M. 2015. Bacteriohopanepolyols in tropical soils and sediments from the Congo River catchment area. Organic Geochemistry 89: 1-13. [Link]

 

  1. Vonk, J.E., Tank, S.E., Mann, P.J., Spencer, R.G.M., Treat, C.C., Striegl, R.G., Abbott, B.W., Wickland, K.P. 2015. Biodegradability of dissolved organic carbon in permafrost soils and aquatic systems: a meta-analysis. Biogeosciences 12: 6915-6930. [Link]

 

  1. Drake, T.W., Wickland, K.P., Spencer, R.G.M., McKnight, D.M., Striegl, R.G. 2015. Ancient low-molecular-weight organic acids in permafrost fuel rapid carbon dioxide production upon thaw. Proceedings of the National Academy of Sciences 112: 13946-13951. [Link]

 

  1. Logvinova, C.L., Frey, K.E., Mann, P.J., Stubbins, A., Spencer, R.G.M. 2015. Assessing the potential impacts of declining Arctic sea ice cover on the photochemical degradation of dissolved organic matter in the Chukchi and Beaufort Seas. Journal of Geophysical Research-Biogeosciences 11: 2326-2344. [Link]

 

  1. Fellman, J.B., Hood, E., Raymond, P.A., Stubbins, A., Spencer, R.G.M. 2015. Spatial variation in the origin of dissolved organic carbon in snow on the Juneau Icefield, southeast Alaska. Environmental Science and Technology 49: 11492-11499. [Link]

 

  1. Mann, P.J., Eglinton, T.I., McIntyre, C.P., Zimov, N., Davydova, A., Vonk, J.E., Holmes, R.M., Spencer, R.G.M.2015. Utilization of ancient permafrost carbon in headwaters of Arctic fluvial networks. Nature Communications 6: doi:10.1038/ncomms8856. [Link]

 

  1. Spencer, R.G.M., Mann, P.J., Dittmar, T., Eglinton, T.I., McIntyre, C., Holmes, R.M., Zimov, N., Stubbins, A. 2015. Detecting the signature of permafrost thaw in Arctic rivers. Geophysical Research Letters 42: doi:10.1002/2015GL063498. [Link]

 

  1. Stubbins, A., Spencer, R.G.M., Mann, P.J., Holmes, R.M., McClelland, J., Niggemann, J., Dittmar, T. 2015. Utilizing colored dissolved organic matter to derive dissolved black carbon export by Arctic rivers. Frontiers in Earth Science 3: 63. [Link]

 

  1. Voss, B.M., Peucker-Ehrenbrink, B., Eglinton, T.I., Spencer, R.G.M., Bulygina, E., Galy, V., Lamborg, C.H., Ganguli, P.M., Montlucon, D.B., Marsh, S., Gillies, S.L., Fanslau, J., Epp, A., Luymes, R. 2015. Seasonal hydrology drives rapid shifts in the flux and composition of dissolved and particulate organic carbon and major and trace ions in the Fraser River, Canada. Biogeosciences 12: 5597-5618. [Link]

 

  1. Hood, E., Battin, T.J., Fellman, J., O’Neel, S., Spencer, R.G.M. 2015. Storage and release of organic carbon from glaciers and ice sheets. Nature Geoscience, 68, 91-96. [Link]

 

  1. McClelland, J.M., Tank, S.E., Spencer, R.G.M., Shiklomanov, A.I. 2015. Coordination and sustainability of river observing activities in the Arctic. Arctic, 68, 1-10. [Link]

 

  1. Sun, L., Spencer, R.G.M., Hernes, P.J., Dyda, R.Y., Mopper, K. 2015. A comparison of a simplified cupric oxide oxidation HPLC method with the traditional GC-MS method for characterization of lignin phenolics in environmental samples. Limnology and Oceanography: Methods, 13, 1-8. [Link]

 

  1. Spencer, R.G.M., Guo, W.D., Raymond, P.A., Dittmar, T., Hood, E., Fellman, J., Stubbins, A. 2014. Source and biolability of ancient dissolved organic matter in glacier and lake ecosystems on the Tibetan Plateau. Geochimica et Cosmochimica Acta, 142, 64-74. [Link]

 

  1. Fellman, J.B., Spencer, R.G.M., Raymond, P.A., Pettit, N.E., Skrzypek, G., Hernes, P.J., Grierson, P.F. 2014. Dissolved organic carbon biolability decreases along with its modernization in fluvial networks in an ancient landscape. Ecology, 95, 2622-2632. [Link]

 

  1. Fellman, J.B., Hood, E., Spencer, R.G.M., Stubbins, A., Raymond, P.A. 2014. Watershed glacier coverage influences dissolved organic matter biogeochemistry in coastal watersheds of southeast Alaska. Ecosystems, 17, 1014-1025. [Link]

 

  1. Helms, J.R., Mao, J.D., Stubbins, A., Schmidt-Rohr, K., Spencer, R.G.M., Hernes, P.J., Mopper, K. 2014. Loss of optical and molecular indicators of terrigenous dissolved organic matter during long-term photobleaching. Aquatic Sciences, 76, 353-373. [Link]

 

  1. Talbot, H.M., Handley, L., Spencer-Jones, C.L., Dinga, B.J., Schefuss, E., Mann, P.J., Poulsen, J.R., Spencer, R.G.M., Wabakanghanzi, J.N., Wagner, T. 2014. Variability in aerobic methane oxidation over the past 1.2 Myrs recorded in microbial biomarker signatures from Congo fan sediments. Geochimica et Cosmochimica Acta, 133, 387-401. [Link]

 

  1. Spencer, R.G.M., Vermilyea, A., Fellman, J., Raymond, P.A., Stubbins, A., Scott, D., Hood, E. 2014. Seasonal variability of organic matter composition in an Alaskan glacier outflow: insights into glacier carbon sources. Environmental Research Letters, 9: doi: 10.1088/1748-9326/9/5/055005. (Special Issue: Focus on Cryospheric Ecosystems). [Link]

 

  1. Aiken, G.R., Spencer, R.G.M., Striegl, R.G., Schuster, P.F., Raymond, P.A. 2014. Influences of glacier melt and permafrost thaw on the age of dissolved organic carbon in the Yukon River basin. Global Biogeochemical Cycles, 28: doi: 10.1002/2013GB004764. [Link]

 

  1. Mann, P.J., Spencer, R.G.M., Dinga, B.J., Poulsen, J.R., Hernes, P.J., Fiske, G., Salter, M.E., Wang, Z.A., Hoering, K.A., Six, J., Holmes, R.M. 2014. The biogeochemistry of carbon across a gradient of streams and rivers within the Congo Basin. Journal of Geophysical Research-Biogeosciences, 199: doi: 10.1002/2013JG002442. [Link]

 

  1. Mann, P.J., Sobczak, W.V., LaRue, M.M., Bulygina, E., Davydova, A., Vonk, J.E., Schade, J., Davydov, S., Zimov, N., Holmes, R.M., Spencer, R.G.M. 2014. Evidence for key enzymatic controls on metabolism of Arctic river organic matter. Global Change Biology, 20, 1089-1100. [Link]

 

  1. Jex, C.N., Pate, G.H., Blyth, A.J., Spencer, R.G.M., Hernes, P.J., Khan, S.J., Baker, A. 2014. Lignin biogeochemistry: from modern processes to Quaternary archives. Quaternary Science Reviews, 87, 46-59. [Link]

 

  1. Marin-Spiotta, E., Gruley, K.E., Crawford, J., Atkinson, E.E., Miesel, J.R., Greene, S., Cardona-Correa, C., Spencer, R.G.M. 2014. Paradigm shifts in soil organic matter research affect interpretations of aquatic carbon cycling: transcending disciplinary and ecosystem boundaries. Biogeochemistry, 117, 279-297. [Link]

 

  1. Pereira, R., Bovolo, C.I., Spencer, R.G.M., Hernes, P.J., Tipping, E., Vieth-Hillebrand, A., Pedentchouk, N., Chappell, N.A., Parkin, G., Wagner, T. 2014. Mobilization of optically invisible dissolved organic matter in response to rainstorm events in a tropical forest headwater river. Geophysical Research Letters, 41: doi: 10.1002/2013GL058658. [Link]

 

  1. Castello, L., Zhulidov, A.V., Gurtovaya, T.Y., Robarts, R.D., Holmes, R.M., Zhulidov, D.A., Lysenko, V.S., Spencer, R.G.M. 2014. Low and declining mercury in Arctic Russian rivers. Environmental Science & Technology, 48, 747-752. [Link]

 

  1. Hernes, P.J., Spencer, R.G.M., Dyda, R.Y., Pellerin, B.A., Bachand, P.A.M., Bergamaschi, B.A. 2013. DOM composition in an agricultural watershed: Assessing patterns and variability in the context of spatial scales. Geochimica et Cosmochimica Acta, 121, 599-610. [Link]

 

  1. Vonk, J.E., Mann, P.J., Dowdy, K.L., Davydova, A., Davydov, S.P., Zimov, N., Spencer, R.G.M., Bulygina, E.B., Eglinton, T.I., Holmes, R.M. 2013. Dissolved organic carbon loss from Yedoma permafrost amplified by ice wedge thaw. Environmental Research Letters 8: doi:10.1088/1748-9326/8/3/035023. (Special Issue: Focus on changing permafrost in a warming world: observation and implication). [Link]

 

  1. Spencer, R.G.M., Aiken, G.R., Dornblaser, M.M., Butler, K.D., Holmes, R.M., Fiske, G., Mann, P.J., Stubbins, A. 2013. Chromophoric dissolved organic matter export from U.S. rivers. Geophysical Research Letters 40: doi:10.1002/grl.50357. [Link]

 

  1. Vonk, J.E., Mann, P.J., Davydov, S., Davydova, A., Spencer, R.G.M., Schade, J., Sobczak, W., Zimov, N., Zimov, S., Bulygina, E., Eglinton, T.I., Holmes, R.M. 2013. High biolability of ancient permafrost carbon upon thaw. Geophysical Research Letters 40: doi:10.1002/grl.50348. [Link]

 

  1. Jaffe, R., Ding, Y., Niggemann, J., Vahatalo, A.V., Stubbins, A., Spencer, R.G.M., Campbell, J., Dittmar, T. 2013 Global charcoal mobilization from soils via dissolution and riverine transport to the oceans. Science 340: 345-347. [Link]

 

  1. Huang, L., Zhuo, J., Guo, W., Spencer, R.G.M., Zhang, Z., Xu, J. 2013. Tracing organic matter removal in polluted coastal waters via floating bed phytoremediation. Marine Pollution Bulletin 71: 74-82. [Link]

 

  1. Wang, Z.A., Dinga, B., Mann, P.J., Hoering, K., Spencer, R.G.M., Holmes, R.M. 2013. Inorganic carbon speciation and fluxes in the Congo River. Geophysical Research Letters 40: doi:10.1002/grl.50160. [Link]

 

  1. Wickland, K.P., Aiken, G.R., Butler, K.D., Dornblaser, M.M., Spencer, R.G.M., Striegl, R.G. 2012. Bioavailability of dissolved organic matter in the Yukon River Basin – Seasonal and spatial variability and influence of carbon quality and nutrients. Global Biogeochemical Cycles 26: GB0E03, doi:10.1029/2012GB004342. [Link]

 

  1. Spencer, R.G.M., Butler, K.D., Aiken, G.R. 2012. Dissolved organic carbon and chromophoric dissolved organic matter properties of rivers in the U.S.A. Journal of Geophysical Research – Biogeosciences 117: G03001, doi:10.1029/2011JG001928. [Link]

 

  1. Bouillon, S., Yambele, A., Spencer, R.G.M., Gillikin, D.P., Hernes, P.J., Six, J., Merckx, R., Borges, A.V. 2012. Organic matter sources, fluxes and greenhouse gas exchange in the Oubangui River (Congo River Basin). Biogeosciences 9: 2045-2062. [Link]

 

  1. Stubbins, A., Hood, E., Raymond, P.A., Aiken, G.R., Sleighter, R.L., Hernes, P.J., Butman, D., Hatcher, P.G., Striegl, R.G., Schuster, P., Abdulla, H.A.N., Spencer, R.G.M. 2012. Anthropogenic aerosols as a source of glacier derived dissolved organic matter. Nature Geoscience 5: 198-201. [Link]

 

  1. Spencer, R.G.M., Hernes, P.J., Aufdenkampe, A.K., Baker, A., Gulliver, P., Stubbins, A., Aiken, G.R., Dyda, R.Y., Butler, K.D., Mwamba, V.L., Mangangu, A.M., Wabakanghanzi, J.N., Six, J. 2012. An initial investigation into the organic matter biogeochemistry of the Congo River. Geochimica et Cosmochimica Acta 84: 614-627. [Link]

 

  1. Mann, P.J., Davidova, A., Zimov, N., Spencer, R.G.M., Davydov, S., Bulygina, E., Zimov, S., Holmes, R.M. 2012. Controls on the composition and lability of dissolved organic matter in Siberia’s Kolyma River Basin. Journal of Geophysical Research – Biogeosciences 117: G01028, doi:10.1029/2011JG001798. [Link]

 

  1. Krupa, M., Spencer, R.G.M., Tate, K.W., Six, J., van Kessel, C., Linquist, B.A. 2012. Controls on dissolved organic carbon composition and export from rice-dominated systems. Biogeochemistry 108: 447-466. [Link]

 

  1. Fellman, J.B., Hood, E., Spencer, R.G.M. 2010. Fluorescence spectroscopy opens new windows into dissolved organic matter dynamics in freshwater ecosystems: A review. Limnology and Oceanography 55: 2452-2462. [Link]

 

  1. Murphy, K.R., Butler, K.D., Spencer, R.G.M., Stedmon, C.A., Boehme, J.R., Aiken, G.R. 2010. Measurement of dissolved organic matter fluorescence in aquatic environments: An interlaboratory comparison. Environmental, Science and Technology 44: 9405-9412. [Link]

 

  1. Spencer, R.G.M., Hernes, P.J., Ruf, R., Baker, A., Dyda, R.Y., Stubbins, A., Six, J. 2010. Temporal controls on dissolved organic matter and lignin biogeochemistry in a pristine tropical river, Democratic Republic of Congo. Journal of Geophysical Research – Biogeosciences 115: G03013, doi: 10.1029/2009JG001180. [Link]

 

  1. Fellman, J.B., Spencer, R.G.M., Hernes, P.J., Edwards, R., D’Amore, D., Hood, E. 2010. The impact of glacier runoff on the biodegradability and chemical quality of terrigenous dissolved organic matter in near-shore marine ecosystems. Marine Chemistry 121: 112-122. [Link]

 

  1. Stubbins, A., Spencer, R.G.M., Chen, H., Hatcher, P.G., Mopper, K., Hernes, P.J., Mwamba, V.L., Mangangu, A.M., Wabakanghanzi, J.N., Six, J. 2010. Illuminated darkness: the molecular signatures of Congo River dissolved organic matter and its photochemical alteration as revealed by ultrahigh precision mass spectrometry. Limnology and Oceanography 55: 1467-1477. [Link]

 

  1. Spencer, R.G.M., Aiken, G.R., Dyda, R.Y., Butler, K.D., Bergamaschi, B.A. Hernes, P.J. 2010. Comparison of XAD with other dissolved lignin isolation techniques and a compilation of analytical improvements for the analysis of lignin in aquatic settings. Organic Geochemistry 41: 445-453. [Link]

 

  1. Pellerin, B.A., Hernes, P.J., Saraceno, J.F., Spencer, R.G.M., Bergamaschi, B.A. 2010. Microbial degradation of plant leachate alters lignin phenols and trihalomethane precursors. Journal of Environmental Quality 39: 946-954. [Link]

 

  1. Steenwerth, K.L., Pierce, D.L., Carlisle, E.A., Spencer, R.G.M., Smart, D.R. 2010. A vineyard agroecosystem: Disturbance and precipitation affect soil respiration under Mediterranean conditions. Soil Science Society of America Journal 74: 231-239. [Link]

 

  1. Hood, E., Fellman, J., Spencer, R.G.M., Hernes, P.J., Edwards, R., D’Amore, D., Scott, D. 2009. Glaciers as a source of ancient, labile organic matter to the marine environment. Nature 462: 1044-1047, doi:10.1038/nature08580. [Link]

 

  1. Hernes, P.J., Bergamaschi, B.A., Eckard, R.S., Spencer, R.G.M. 2009. Fluorescence-based proxies for lignin in freshwater dissolved organic matter. Journal of Geophysical Research–Biogeosciences 114: G00F03, doi:10.1029/2009JG000938. [Link]

 

  1. 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., Six, J. 2009. Photochemical degradation of dissolved organic matter and dissolved lignin phenols from the Congo River. Journal of Geophysical Research – Biogeosciences 114: G03010, doi:10.1029/2009JG000968. [Link]

 

  1. Spencer, R.G.M., Aiken, G.R., Butler, K.D., Dornblaser, M.M., Striegl, R.G., Hernes, P.J. 2009. Utilizing chromophoric dissolved organic matter measurements to derive export and reactivity of dissolved organic carbon exported to the Arctic Ocean: A case study of the Yukon River, Alaska. Geophysical Research Letters 36: L06401, doi:10.1029/ 2008GL036831. [Link]

 

  1. Pellerin, B.A., Downing, B.D., Kendall, C., Dahlgren, R.A., Kraus, T.E.C., Spencer, R.G.M., Bergamaschi, B.A. 2009. Assessing the sources and magnitude of diurnal nitrate variability in the San Joaquin River (California) with an in-situ optical nitrate sensor and dual nitrate isotopes. Freshwater Biology 54: 376-387. [Link]

 

  1. Hernes, P.J., Spencer, R.G.M., Dyda, R.Y., Pellerin, B.A., Bachand, P.A.M., Bergamaschi, B.A. 2008. The role of hydrologic regimes on dissolved organic carbon composition in an agricultural watershed. Geochimica et Cosmochimica Acta 72: 5266-5277. [Link]

 

  1. Spencer, R.G.M., Aiken, G.R., Wickland, K.P., Striegl, R.G., Hernes, P.J. 2008. Seasonal and spatial variability in dissolved organic matter quantity and composition from the Yukon River Basin, Alaska. Global Biogeochemical Cycles 22: GB4002, doi:10.1029/ 2008GB003231. [Link]

 

  1. Kraus, T.E.C., Bergamachi, B.A., Hernes, P.J., Spencer, R.G.M., Stepanauskas, R., Kendall, C., Losee, R., Fujii, R. 2008. Assessing the contribution of wetlands and subsided islands to dissolved organic matter and disinfection byproduct precursors in the Sacramento-San Joaquin River Delta: A geochemical approach. Organic Geochemistry39: 1302-1318. [Link]

 

  1. Ahad, J.M.E., Barth, J.A.C., Ganeshram, R., Spencer, R.G.M., Uher G. 2008. Controls on carbon cycling in two contrasting temperate zone estuaries: the Tyne and Tweed, U.K. Estuarine, Coastal and Shelf Science 78: 685-693. [Link]

 

  1. Baker, A., Bolton, L., Newson, M., Spencer, R.G.M. 2008. Spectrophotometric properties of surface water dissolved organic matter in an afforested upland peat catchment. Hydrological Processes 22: 2325-2336. [Link]

 

  1. Spencer, R.G.M., Pellerin, B.A., Bergamaschi, B.A., Downing, B.D., Kraus, T.E.C., Dahlgren, R.A., Smart D.R., Hernes, P.J. 2007. Diurnal variability in riverine dissolved organic matter composition determined by in-situ optical measurements (San Joaquin, California, U.S.A.). Hydrological Processes 21: 3181-3189. [Link]

 

  1. Spencer, R.G.M., Ahad, J.M.E., Baker, A., Cowie, G.L., Ganeshram, R., Upstill-Goddard, R.C., Uher, G. 2007. The estuarine mixing behaviour of peatland derived dissolved organic carbon and its relationship to chromophoric dissolved organic matter in two North Sea estuaries (U.K.). Estuarine, Coastal and Shelf Science 74: 131-144. [Link]

 

  1. Spencer, R.G.M., Bolton, L. Baker A. 2007. Freeze/thaw and pH effects on freshwater dissolved organic matter fluorescence and absorbance properties at a number of U.K. locations. Water Research 41: 2941-2950. [Link]

 

  1. Spencer, R.G.M., Baker, A., Ahad, J.M.E., Cowie, G.L., Ganeshram, R., Upstill-Goddard, R.C., Uher, G. 2007. Discriminatory classification of natural and anthropogenic waters in two U.K. estuaries. Science of the Total Environment 373: 305-323. [Link]

 

  1. Ahad, J.M.E., Ganeshram, R., Spencer, R.G.M., Uher, G., Upstill-Goddard, R.C., Cowie, G.L. 2006. Evaluating the sources and fate of anthropogenic dissolved inorganic nitrogen (DIN) in two contrasting North Sea estuaries. Science of the Total Environment 372: 317-333. [Link]

 

  1. Ahad, J.M.E., Ganeshram, R., Spencer, R.G.M., Uher, G., Gulliver, P., Bryant, P.L. 2006. Evidence for anthropogenic 14C-enrichment in estuarine waters adjacent to the North Sea. Geophysical Research Letters 33: L08608, doi:10.1029/2006GL025991. [Link]

 

  1. Baker, A., Spencer, R.G.M. 2004. Characterization of dissolved organic matter from source to sea using fluorescence and absorbance spectroscopy. Science of the Total Environment 333: 217-232. [Link]

 

 

Book Chapters:

 

  1. Raymond, P.A., Spencer, R.G.M. 2015. Riverine Dissolved Organic Matter. In: Biogeochemistry of Marine Dissolved Organic Matter. Hansell, D.A. Carlson, C.A. (Ed.) 2nd Edition. Elsevier. [Link]

 

  1. Spencer, R.G.M., Coble, P.G. 2014. Sample design for organic matter fluorescence analysis, In: Aquatic Organic Matter Fluorescence. Coble, P.G., Baker, A., Lead, J.R., Reynolds, D., Spencer, R.G.M. (Ed.), Cambridge University Press; Environmental Chemistry Book Series. [Link]

 

  1. Coble, P.G., Baker, A., Reynolds, D., Spencer, R.G.M. 2014. An overview of organic matter fluorescence, In: Aquatic Organic Matter Fluorescence. Coble, P.G., Baker, A., Lead, J.R., Reynolds, D., Spencer, R.G.M. (Ed.), Cambridge University Press; Environmental Chemistry Book Series. [Link]

 

  1. Spencer, R.G.M., Stubbins, A., Gaillardet, J. 2014. Geochemistry of the Congo River, estuary and plume. In: Biogeochemical Dynamics at Large River-Coastal Interfaces: Linkages with Global Climate Change. Bianchi, T.S., Allison, M.A., Cai, W.J. (Ed.). Cambridge University Press. [Link]

 

  1. Hernes, P.J., Holmes, R.M., Raymond, P.A., Spencer, R.G.M., Tank, S.E. 2014. Fluxes, processing and fate of riverine organic matter in the Arctic Ocean. In: Biogeochemical Dynamics at Large River-Coastal Interfaces: Linkages with Global Climate Change. Bianchi, T.S., Allison, M.A., Cai, W.J. (Ed.). Cambridge University Press. [Link]

 

  1. Holmes, R.M., Coe, M.T., Fiske, G.J., Gurtovaya, T., McClelland, J.W., Shiklomanov, A.I., Spencer, R.G.M., Tank, S.E., Zhulidov, A.V. 2013. Climate change impacts on the hydrology and biogeochemistry of Arctic rivers. In: Climate Change and Inland Waters – Impacts and mitigation approaches for ecosystems and society. Goldman, C.R., Kumagai, M., Robarts, R.D. (Ed.). Wiley. [Link]

 

 

Books:

 

  1. Coble, P.G., Baker, A., Lead, J.R., Reynolds, D., Spencer, R.G.M. (Editors) 2014. Aquatic Organic Matter Fluorescence, Environmental Chemistry Book Series, Cambridge University Press. [Link]