Seidel M, Beck M, Riedel T, Waska H, Suryaputra IGNA, Schnetger B, Niggemann J, Simon M, Dittmar T (2014) “Biogeochemistry of dissolved organic matter in an anoxic intertidal creek bank,” Geochimica et Cosmochimica Acta, 140: 418–434. https://doi.org/10.1016/j.gca.2014.05.038 →Biogeochemical processes in intertidal sediments shape DOM composition and reactivity.
Seidel M, Yager PL, Ward ND, Carpenter EJ, Gomes HR, Krusche AV, Richey JE, Dittmar T, Medeiros PM (2015) “Molecular-level changes of dissolved organic matter along the Amazon River-to-ocean continuum,” Marine Chemistry, 177: 218–231. https://doi.org/10.1016/j.marchem.2015.06.019 → Tracing DOM transformations from river to open ocean at molecular level.
Coppola AI, Wagner S, Lennartz ST, Seidel M, Ward ND, Dittmar T, Santin C, Jones MW (2022) “Pyrogenic carbon and its fate in the earth system,” Nature Reviews Earth & Environment, 3: 516–532. https://doi.org/10.1038/s43017-022-00316-6 → Synthesis placing pyrogenic carbon in a unified land-to-ocean framework.
Seidel M, Vemulapalli BPS, Mathieu D, Dittmar T (2022) “Marine dissolved organic matter shares thousands of molecular formulae yet differs structurally across major water masses,” Environmental Science & Technology, 56: 3758–3769. https://doi.org/10.1021/acs.est.1c04566 → Demonstrates DOM compositional overlap but structural divergence, linking molecular patterns to water-mass controls.
Knoke M, Dittmar T, Günther J, Böning P, Teske A, Seidel M (2025) “Hydrothermal mobilization and molecular transformations of dissolved organic matter from deep subsurface sediments of the Guaymas Basin (Gulf of California)”, Geochimica et Cosmochimica Acta, 402: 359–371. https://doi.org/10.1016/j.gca.2025.06.005 →Connects deep-subsurface hydrothermal processes to DOM mobilization and molecular alteration and shows evidence for thermogenic/petroleum DOM pathways in Guaymas Basin.
Full publication list
2025
Mori C, Dellwig O, Wollschläger J, Seidel M (2025) “Process zone specific alteration of rare earth element (REE) patterns across the land-ocean transition of the southern North Sea”, Geochimica et Cosmochimica Acta, 402: 32–48. https://doi.org/10.1016/j.gca.2025.06.017
Knoke M, Dittmar T, Günther J, Böning P, Teske A, Seidel M (2025) “Hydrothermal mobilization and molecular transformations of dissolved organic matter from deep subsurface sediments of the Guaymas Basin (Gulf of California)”, Geochimica et Cosmochimica Acta, 402: 359–371. https://doi.org/10.1016/j.gca.2025.06.005
Brünjes J, Schubotz F, Teske A, Seidel M (2025) “Molecular composition of dissolved organic matter from young organic-rich hydrothermal deep-sea sediments”, Limnology and Oceanography, 70: 870–885. https://doi.org/10.1002/lno.12812
Silva do Nascimento L, Pestana IA, Seidel M, Marques da Silva Junior J, Vaz de Oliveira BC, Gomes PR, Koschinsky A, Dittmar T, Eduardo de Rezende C (2025) “Mercury concentrations along the Amazon estuary and plume: Spatial trends and geochemical processes”, Environmental Research, 271: 121129. https://doi.org/10.1016/j.envres.2025.121129
Xu A, Hathorne E, Seidel M, Liu T, Asp NE, Koschinsky A, Dittmar T, Frank M (2025) “The Amazonian mangrove systems accumulate and release dissolved neodymium and hafnium to the oceans”, Communications Earth & Environment, 6:13. https://doi.org/10.1038/s43247-024-01989-1
2024
Wölfelschneider M, Dittmar T, Hatje V, Seidel M (2024) “The influence of mangrove forests on estuarine dynamics of dissolved organic matter”, Bulletin of Marine Science. https://doi.org/10.5343/bms.2024.0021
Wei B, Seidel M, Mollenhauer G, Lefebvre A, Miramontes E, Grotheer H, Elvert M, Wendt J, Dittmar T, Holtappels M (2024) “Rapid down-slope transport of fresh dissolved organic matter to the deep ocean in the NE Atlantic”, Geophysical Research Letters, 51: e2024GL110349. https://doi.org/10.1029/2024GL110349
Speidel LG, Carvalho Da Silva R, Beck M, Dellwig O, Wollschläger J, Dittmar T, Seidel M (2024) “Rivers and tidal flats as sources of dissolved organic matter and trace metals in the German Bight (North Sea)”, Biogeochemistry. https://doi.org/10.1007/s10533-024-01117-3
Knoke M, Dittmar T, Zielinski O, Kida M, Asp NE, De Rezende CE, Schnetger B, Seidel M (2024) “Outwelling of reduced porewater drives the biogeochemistry of dissolved organic matter and trace metals in a major mangrove-fringed estuary in Amazonia”, Limnology and Oceanography, 69: 262–278. https://doi.org/10.1002/lno.12473
2023
Maurischat P, Seidel M, Dittmar T, Guggenberger G (2023) “Complex dissolved organic matter (DOM) on the roof of the world – Tibetan DOM molecular characteristics indicate sources, land use effects, and processing along the fluvial–limnic continuum”, Biogeosciences, 20: 3011–3026. https://doi.org/10.5194/bg-20-3011-2023
Serafim TSG, Almeida MG, Thouzeau G, Michaud E, Niggemann J, Dittmar T, Seidel M, Rezende CE (2023) “Land-use changes in Amazon and Atlantic Rainforests modify organic matter and black carbon compositions transported from land to the coastal ocean”, Science of the Total Environment, 878: 162917. https://doi.org/10.1016/j.scitotenv.2023.162917
Carvalho da Silva R, Seidel M, Dittmar T, Waska H (2023) “Groundwater springs in the German Wadden Sea tidal flat: A fast-track terrestrial transfer route for nutrients and dissolved organic matter (DOM)”, Frontiers in Marine Science, 10. https://doi.org/10.3389/fmars.2023.1128855
2022
Phillips A, White ME, Seidel M, Wu F, Pavia FJ, Kemeny PC, Ma AC, Aluwihare LI, Dittmar T, Sessions AL (2022) “Novel sulfur isotope analyses constrain sulfurized porewater fluxes as a minor component of marine dissolved organic matter”, Proceedings of the National Academy of Sciences, 119: e2209152119. https://doi.org/10.1073/pnas.2209152119
Gledhill M, Hollister A, Seidel M, Zhu K, Achterberg EP, Dittmar T, Koschinsky A (2022) “Trace metal stoichiometry of dissolved organic matter in the Amazon Estuary”, Science Advances, 8: eabm2249. https://doi.org/10.1126/sciadv.abm2249
Coppola AI, Wagner S, Lennartz ST, Seidel M, Ward ND, Dittmar T, Santin C, Jones MW (2022) “Pyrogenic carbon and its fate in the earth system”, Nature Reviews Earth & Environment, 3: 516–532. https://doi.org/10.1038/s43017-022-00316-6
Heinrichs ME, Heyerhoff B, Arslan-Gatz BS, Seidel M, Niggemann J, Engelen B (2022) “Deciphering the virus signal within the marine dissolved organic matter pool”, Frontiers in Microbiology, 13. https://doi.org/10.3389/fmicb.2022.863686
Brünjes J, Seidel M, Dittmar T, Niggemann J, Schubotz F (2022) “Natural asphalt seeps are potential sources for recalcitrant oceanic dissolved organic sulfur and dissolved black carbon”, Environmental Science & Technology, 56: 9092–9102. https://doi.org/10.1021/acs.est.2c01123
Sogin EM, Michellod D, Gruber-Vodicka H, Bourceau P, Geier B, Meier DV, Seidel M, Ahmerkamp S, Schorn S, D’Angelo G, Procaccini G, Dubilier N, Liebeke M (2022) “Sugars dominate the seagrass rhizosphere”, Nature Ecology & Evolution, 6: 866–877. https://doi.org/10.1038/s41559-022-01740-z
Seidel M, Vemulapalli BPS, Mathieu D, Dittmar T (2022) “Marine dissolved organic matter shares thousands of molecular formulae yet differs structurally across major water masses”, Environmental Science & Technology, 56: 3758–3769. https://doi.org/10.1021/acs.est.1c04566
Nóbrega MS, Silva BS, Tschoeke DA, Appolinario LR, Calegario G, Venas TM, Macedo L, Asp N, Cherene B, Marques JSJ, Seidel M, Dittmar T, Santos IR, de Rezende CE, Thompson CC, Thompson FL (2022) “Mangrove microbiome reveals dominance of sulfur metabolism in tropical coastal waters”, Science of the Total Environment, 813: 151889. https://doi.org/10.1016/j.scitotenv.2021.151889
2021
Cabral A, Dittmar T, Call M, Scholten J, Rezende C, Asp N, Gledhill M, Seidel M, Santos I (2021) “Carbon and alkalinity outwelling across the groundwater-creek-shelf continuum off Amazonian mangroves”, Limnology and Oceanography Letters. https://doi.org/10.1002/lol2.10210
Wagner S, Coppola AI, Stubbins A, Dittmar T, Niggemann J, Drake TW, Seidel M, Spencer RGM, Bao H (2021) “Bridging the combustion continuum: Questions remain about the biolability of dissolved black carbon”, Nature Communications, 12: 4281. https://doi.org/10.1038/s41467-021-24477-y
Hollister AP, Whitby H, Seidel M, Lodeiro P, Gledhill M, Koschinsky A (2021) “Dissolved concentrations and organic speciation of copper in the Amazon River estuary and mixing plume”, Marine Chemistry, 234: 104005. https://doi.org/10.1016/j.marchem.2021.104005
2020
Steen AD, Kusch S, Abdulla HA, Cakić N, Coffinet S, Dittmar T, Fulton JM, Galy V, Hinrichs KU, Ingalls AE, Koch BP, Kujawinski E, Liu Z, Osterholz H, Rush D, Seidel M, Sepúlveda J, Wakeham SG (2020) “Analytical and computational advances, opportunities, and challenges in marine organic biogeochemistry in an era of ‘omics’”, Frontiers in Marine Science, 7: 718. https://doi.org/10.3389/fmars.2020.00718
Merder J, Freund JA, Feudel U, Hansen CT, Hawkes JA, Jacob B, Klaproth K, Niggemann J, Noriega-Ortega BE, Osterholz H, Rossel PE, Seidel M, Singer G, Stubbins S, Waska H, Dittmar T (2020) “ICBM-OCEAN: Processing ultrahigh-resolution mass spectrometry data of complex molecular mixtures”, Analytical Chemistry, 92: 6832–6838. https://doi.org/10.1021/acs.analchem.9b05659
Roebuck Jr. JA, Seidel M, Dittmar T, Jaffé R (2020) “Controls of land use and the River Continuum Concept on dissolved organic matter composition in an anthropogenically disturbed subtropical watershed”, Environmental Science & Technology, 54: 195–206. https://doi.org/10.1021/acs.est.9b04605
2019
Coppola AI, Seidel M, Ward ND, Viviroli D, Nascimento GS, Haghipour N, Revels BN, Abiven S, Jones MW, Richey JE, Eglinton TI, Dittmar T, Schmidt MWI (2019) “Marked isotopic variability within and between the Amazon River and marine dissolved black carbon pools”, Nature Communications, 10: 4018. https://doi.org/10.1038/s41467-019-11543-9
Sogin E, Michellod D, Gruber-Vodicka H, Bourceau P, Geier B, Meier D, Seidel M, Hach PF, Procaccini G, Dubilier N, Liebeke M (2019) “Seagrass excretes sugars to their rhizosphere making them the sweet spots in the sea”, bioRxiv: 797522. https://doi.org/10.1101/797522
Mori C, Santos IR, Brumsack H-J, Schnetger B, Dittmar T, Seidel M (2019) “Non-conservative behavior of dissolved organic matter and trace metals (Mn, Fe, Ba) driven by porewater exchange in a subtropical mangrove-estuary”, Frontiers in Marine Science, 6: 481. https://doi.org/10.3389/fmars.2019.00481
Schutte CA, Ahmerkamp S, Wu CS, Seidel M, de Beer D, Cook PLM, Joye SB (2019) “Chapter 12 – Biogeochemical dynamics of coastal tidal flats”. In: Perillo GME, Wolanski E, Cahoon DR, Hopkinson CS (Eds.), Coastal Wetlands. Elsevier, 407–440. https://doi.org/10.1016/B978-0-444-63893-9.00012-5
2018
Roebuck Jr. JA, Seidel M, Dittmar T, Jaffé R (2018) “Land use controls on the spatial variability of dissolved black carbon in a subtropical watershed”, Environmental Science & Technology, 52: 8104–8114. https://pubs.acs.org/doi/10.1021/acs.est.8b00190
2017
Seidel M, Manecki M, Herlemann DPR, Deutsch B, Schulz-Bull D, Jürgens K, Dittmar T (2017) “Composition and transformations of dissolved organic matter in the Baltic Sea”, Frontiers in Earth Science, 5: 31. https://doi.org/10.3389/feart.2017.00031
Medeiros PM, Babcock-Adams L, Seidel M, Castelao RM, Di Iorio D, Hollibaugh JT, Dittmar T (2017) “Export of terrigenous dissolved organic matter in a broad continental shelf”, Limnology and Oceanography. https://doi.org/10.1002/lno.10528
Medeiros PM, Seidel M, Gifford SM, Ballantyne F, Dittmar T, Whitman WB, Moran MA (2017) “Microbially-mediated transformations of estuarine dissolved organic matter”, Frontiers in Marine Science, 4: 69. https://doi.org/10.3389/fmars.2017.00069
Ward ND, Bianchi TS, Medeiros PM, Seidel M, Richey J, Keil R, Sawakuchi HO (2017) “Where carbon goes when water flows: carbon cycling across the aquatic continuum”, Frontiers in Marine Science, 4: 7. https://doi.org/10.3389/fmars.2017.00007
2016
Seidel M, Dittmar T, Ward ND, Krusche AV, Richey JE, Yager PL, Medeiros PM (2016) “Seasonal and spatial variability of the dissolved organic matter composition in the lower Amazon River”, Biogeochemistry, 131: 281–302. https://doi.org/10.1007/s10533-016-0279-4
Seidel M, Kleindienst S, Dittmar T, Joye SB, Medeiros PM (2016) “Biodegradation of crude oil and dispersants in deep seawater from the Gulf of Mexico: Insights from ultra-high resolution mass spectrometry”, Deep Sea Research Part II: Topical Studies in Oceanography, 129: 108–118. https://doi.org/10.1016/j.dsr2.2015.05.012
Medeiros PM, Seidel M, Niggemann J, Spencer RGM, Hernes PJ, Yager PL, Miller WL, Dittmar T, Hansell D (2016) “A novel molecular approach for tracing terrigenous dissolved organic matter into the deep ocean”, Global Biogeochemical Cycles. https://doi.org/10.1002/2015GB005320
Kleindienst S, Seidel M, Ziervogel K, Grim LS, Loftis KM, Perkins MJ, Field J, Sogin ML, Dittmar T, Passow U, Medeiros PM, Joye SB (2016) “Reply to Prince et al.: Ability of chemical dispersants to reduce oil spill impacts remains unclear”, Proceedings of the National Academy of Sciences of the USA, 113: E1422–E1423. http://www.pnas.org/content/113/11/E1422.full
2015
Kleindienst S, Seidel M, Ziervogel K, Grim LS, Loftis KM, Perkins MJ, Field J, Sogin ML, Dittmar T, Passow U, Medeiros PM, Joye SB (2015) “Chemical dispersants can suppress the activity of natural oil-degrading microorganisms”, Proceedings of the National Academy of Sciences of the USA, 112: 14900–14905. http://www.pnas.org/content/112/48/14900.abstract
Seidel M, Beck M, Greskowiak J, Riedel T, Waska H, Suryaputra IGNA, Schnetger B, Niggemann J, Greskowiak J, Simon M, Dittmar T (2015) “Benthic-pelagic coupling of nutrients and dissolved organic matter composition in an intertidal sandy beach”, Marine Chemistry, 176: 150–163. https://doi.org/10.1016/j.marchem.2015.08.011
Seidel M, Yager PL, Ward ND, Carpenter EJ, Gomes HR, Krusche AV, Richey JE, Dittmar T, Medeiros PM (2015) “Molecular-level changes of dissolved organic matter along the Amazon River-to-ocean continuum”, Marine Chemistry, 177: 218–231. https://doi.org/10.1016/j.marchem.2015.06.019
Medeiros PM, Seidel M, Dittmar T, Whitman WB, Moran MA (2015) “Drought-induced variability in dissolved organic matter composition in a marsh-dominated estuary”, Geophysical Research Letters, 42: 6446–6453. https://doi.org/10.1002/2015GL064653
Medeiros PM, Seidel M, Ward ND, Carpenter EJ, Gomes HR, Niggemann J, Krusche AV, Richey JE, Yager PL, Dittmar T (2015) “Fate of the Amazon River dissolved organic matter in the Tropical Atlantic Ocean”, Global Biogeochemical Cycles, 29: 677–690. http://onlinelibrary.wiley.com/doi/10.1002/2015GB005115/full
Medeiros PM, Seidel M, Powers LC, Dittmar T, Hansell D, Miller WL (2015) “Dissolved organic matter composition and photochemical transformations in the Northern North Pacific Ocean”, Geophysical Research Letters, 42: 863–870. http://onlinelibrary.wiley.com/doi/10.1002/2014GL062663/abstract
Reckhardt A, Beck M, Seidel M, Riedel T, Wehrmann A, Bartholomä A, Schnetger B, Dittmar T, Brumsack HJ (2015) “Carbon, nutrient and trace metal cycling in sandy sediments: A comparison of high-energy beaches and backbarrier tidal flats”, Estuarine, Coastal and Shelf Science, 159: 1–14. https://doi.org/10.1016/j.ecss.2015.03.025
2014
Seidel M, Beck M, Riedel T, Waska H, Suryaputra IGNA, Schnetger B, Niggemann J, Simon M, Dittmar T (2014) “Biogeochemistry of dissolved organic matter in an anoxic intertidal creek bank”, Geochimica et Cosmochimica Acta, 140: 418–434. https://doi.org/10.1016/j.gca.2014.05.038
2006 - 2013
Seidel M, Rütters H, Rullkötter J, Sass H (2013) “Phosphate-free ornithine lipid contents in Desulfovibrio spp. respond to growth temperature”, Organic Geochemistry, 59: 133–142. https://doi.org/10.1016/j.orggeochem.2013.04.004
Seidel M, Graue J, Engelen B, Köster J, Sass H, Rullkötter J (2012) “Advection and diffusion determine vertical distribution of microbial communities in intertidal sediments as revealed by combined biogeochemical and molecular biological analysis”, Organic Geochemistry, 52: 114–129. https://doi.org/10.1016/j.orggeochem.2012.08.015
Gittel A, Seidel M, Kuever J, Galushko AS, Cypionka H, Könneke M (2009) “Desulfopila inferna sp. nov., a sulfate-reducing bacterium isolated from the subsurface of a tidal sandflat”, International Journal of Systematic and Evolutionary Microbiology, 60: 1626–1630. https://doi.org/10.1099/ijs.0.015644-0
Süß J, Herrmann K, Seidel M, Cypionka H, Engelen B, Sass H (2007) “Two distinct Photobacterium populations thrive in ancient Mediterranean sapropels”, Microbial Ecology, 55: 371–383. http://link.springer.com/article/10.1007%2Fs00248-007-9282-6
