Items where Author is "Wagner, Thomas"

Article

Dummann, W, Steinig, S, Hofmann, P, Lenz, M, Kusch, S, Flögel, S, Herrle, JO, Hallmann, C, Rethemeyer, J, Kasper, HU and Wagner, T (2021) Driving mechanisms of organic carbon burial in the Early Cretaceous South Atlantic Cape Basin (DSDP Site 361). Climate of the Past, 17(1). 469-490. doi:10.5194/cp-17-469-2021

Kreher, K, Van Roozendael, M, Hendrick, F, Apituley, A, Dimitropoulou, E, Frieß, U, Richter, A, Wagner, T, Lampel, J, Abuhassan, N, Ang, L, Anguas, M, Bais, A, Benavent, N, Bösch, T, Bognar, K, Borovski, A, Bruchkouski, I, Cede, A, Chan, KL, Donner, S, Drosoglou, T, Fayt, C, Finkenzeller, H, Garcia-Nieto, D, Gielen, C, Gómez-Martín, L, Hao, N, Henzing, B, Herman, JR, Hermans, C, Hoque, S, Irie, H, Jin, J, Johnston, P, Khayyam Butt, J, Khokhar, F, Koenig, TK, Kuhn, J, Kumar, V, Liu, C, Ma, J, Merlaud, A, Mishra, AK, Müller, M, Navarro-Comas, M, Ostendorf, M, Pazmino, A, Peters, E, Pinardi, G, Pinharanda, M, Piters, A, Platt, U, Postylyakov, O, Prados-Roman, C, Puentedura, O, Querel, R, Saiz-Lopez, A, Schönhardt, A, Schreier, SF, Seyler, A, Sinha, V, Spinei, E, Strong, K, Tack, F, Tian, X, Tiefengraber, M, Tirpitz, JL, van Gent, J, Volkamer, R, Vrekoussis, M, Wang, S, Wang, Z, Wenig, M, Wittrock, F, Xie, PH, Xu, J, Yela, M, Zhang, C and Zhao, X (2020) Intercomparison of NO2, O4, O3 and HCHO slant column measurements by MAX-DOAS and zenith-sky UV–visible spectrometers during CINDI-2. Atmospheric Measurement Techniques, 13(5). 2169-2208. doi:10.5194/amt-13-2169-2020

Wang, Y, Puķīte, J, Wagner, T, Donner, S, Beirle, S, Hilboll, A, Vrekoussis, M, Richter, A, Apituley, A, Piters, A, Allaart, M, Eskes, H, Frumau, A, Van Roozendael, M, Lampel, J, Platt, U, Schmitt, S, Swart, D and Vonk, J (2018) Vertical profiles of tropospheric ozone from MAX‐DOAS measurements during the CINDI‐2 campaign: Part 1—development of a new retrieval algorithm. Journal of Geophysical Research: Atmospheres, 123(18). doi:10.1029/2018JD028647

Spencer-Jones, CL, Wagner, T, Dinga, BJ, Schefuß, E, Mann, PJ, Poulsen, JR, Spencer, RGM, Wabakanghanzi, JN and Talbot, HM (2015) Bacteriohopanepolyols in tropical soils and sediments from the Congo River catchment area. Organic Geochemistry, 89-90. 1-13. doi:10.1016/j.orggeochem.2015.09.003

Poulton, SW, Henkel, S, März, C, Urquhart, H, Flögel, S, Kasten, S, Sinninghe Damsté, JS and Wagner, T (2015) A continental-weathering control on orbitally driven redox-nutrient cycling during Cretaceous Oceanic Anoxic Event 2. Geology, 43(11). 963-966. doi:10.1130/G36837.1

Wagner, T, Kallweit, W, Talbot, HM, Mollenhauer, G, Boom, A and Zabel, M (2014) Microbial biomarkers support organic carbon transport from methane-rich Amazon wetlands to the shelf and deep sea fan during recent and glacial climate conditions. Organic Geochemistry, 67. 85-98. doi:10.1016/j.orggeochem.2013.12.003

Talbot, HM, Handley, L, Spencer-Jones, CL, Dinga, BJ, Schefuß, E, Mann, PJ, Poulsen, JR, Spencer, RGM, Wabakanghanzi, JN and 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. doi:10.1016/j.gca.2014.02.035

Zhu, C, Talbot, HM, Wagner, T, Pan, JM and Pancost, RD (2011) Distribution of hopanoids along a land to sea transect: Implications for microbial ecology and the use of hopanoids in environmental studies. Limnology and Oceanography, 56(5). 1850-1865. doi:10.4319/lo.2011.56.5.1850

Zhu, C, Wagner, T, Pan, JM and Pancost, RD (2011) Multiple sources and extensive degradation of terrestrial sedimentary organic matter across an energetic, wide continental shelf. Geochemistry Geophysics Geosystems, 12. doi:10.1029/2011GC003506

Mollenhauer, G, McManus, JF, Wagner, T, McCave, IN and Eglinton, TI (2011) Radiocarbon and Th-230 data reveal rapid redistribution and temporal changes in sediment focussing at a North Atlantic drift. Earth and Planetary Science Letters, 301(1-2). 373-381. doi:10.1016/j.epsl.2010.11.022

Zhu, C, Weijers, JWH, Wagner, T and Pancost, RD (2011) Sources and distribution of tetraether lipids in surface sediments across a large river-dominated continental margin. Organic Geochemistry, 42. 376-386. doi:10.1016/j.orggeochem.2011.02.002

März, C, Beckmann, B, Franke, C, Vogt, C, Wagner, T and Kasten, S (2009) Geochemical environment of the Coniacian-Santonian western tropical Atlantic at Demerara Rise. Palaeogeography, Palaeoclimatology, Palaeoecology, 273(3-4). 286-301. doi:10.1016/j.palaeo.2008.05.004

Flögel, S, Beckmann, B, Hofmann, P, Bornemann, A, Westerhold, T, Norris, RD, Dullo, WC and Wagner, T (2008) Evolution of tropical watersheds and continental hydrology during the Late Cretaceous greenhouse; impact on marine carbon burial and possible implications for the future. Earth and Planetary Science Letters, 274(1-2). 1-13. doi:10.1016/j.epsl.2008.06.011

März, C, Poulton, SW, Beckmann, B, Küster, K, Wagner, T and Kasten, S (2008) Redox sensitivity of P cycling during black shale formation: Dynamics of sulfidic and anoxic, non-sulfidic bottom waters. Geochimica et Cosmochimica Acta, 72(15). 3703-3717. doi:10.1016/j.gca.2008.04.025

Inthorn, M, Wagner, T, Scheeder, G and Zabel, M (2006) Lateral transport controls distribution, quality and burial of organic matter along continental slopes in high-productivity areas. Geology, 34(3). 205-208. doi:10.1130/G22153.1

Beckmann, B, Flögel, S, Hofmann, P, Schulz, M and Wagner, T (2005) Orbital forcing of Cretaceaous river discharge in tropical Africa and ocean response. Nature, 437. 241-244. doi:10.1038/nature03976

Freudenthal, T, Wagner, T, Wenzhöfer, F, Zabel, M and Wefer, G (2001) Early diagenesis of organic matter from sediments of the eastern subtropical Atlantic: Evidence from stable nitrogen and carbon isotopes. Geochimica Cosmochimica Acta, 65(11). 1795-1808. doi:10.1016/S0016-7037(01)00554-3

Zabel, M, Schneider, RR, Wagner, T, Adegbie, AT, de Vries, U and Kolonic, S (2001) Late Quaternary Climate Changes in Central Africa as Inferred from Terrigenous Input to the Niger Fan. Quaternary Research, 56(2). 207-217. doi:10.1006/qres.2001.2261

Book Section

Beckmann, B, Hofmann, P and Wagner, T (2005) Linking Coniacian-Santonian (OAE3) black shale deposition to African climate variability: A reference section from the eastern tropical Atlantic at orbital time scales (ODP Site 959, off Ivory Coast and Ghana). In: Harris, NB (ed.) The Deposition of Organic-Carbon-Rich Sediments: Models, Mechanisms, and Consequences. SEPM Special Publication, 125-143.

Funk, J, von Dobeneck, T, Wagner, T and Kasten, S (2004) Late Quaternary sedimentation and early diagenesis in the equatorial Atlantic Ocean: patterns, trends and processes deduced from rock magnetic and geochemical records. In: Wefer, G, Mulitza, S and Ratmeyer, V (eds.) The South Atlantic in the Late Quaternary: Reconstruction of Material Budgets and Current Systems. Springer, 461-497. ISBN 3540210288 doi:10.1007/978-3-642-18917-3_21

Wagner, T, Zabel, M, Dupont, LM, Holtvoeth, J and Schubert, CJ (2004) Terrigenous Signals in Sediments of the Low Latitude Atlantic - Implications for Environmental Variations during the Late Quaternary: Part I: Organic Carbon. In: Wefer, G, Mulitza, S and Ratmeyer, V (eds.) The South Atlantic in the Late Quaternary: Reconstruction of Material Budgets and Current Systems. Springer, Berlin, Heidelberg, New York, 295-322. doi:10.1007/978-3-642-18917-3_15

Frenz, M, Höppner, R, Stuut, JB, Wagner, T and Henrich, R (2003) Surface Sediment Bulk Geochemistry and Grain-Size Composition Related to the Oceanic Circulation along the South American Continental Margin in the Southwest Atlantic. In: Wefer, G, Mulitza, S and Ratmeyer, V (eds.) The South Atlantic in the Late Quaternary: Reconstruction of Material Budgets and Current Systems. Springer, Berlin, Heidelberg, New York, 347-373.