Marine Sedimentologie


Head of Division

Dr. Alexander Bartholomä
Dr. Alexander Bartholomä
Head of Marine Sedimentology Section
Dr. Alexander Bartholomä
Marine Sedimentology,
Department of Marine Research
Senckenberg am Meer,
Wilhelmshaven, Germany
Born 18th January 1960, 2 children
Nationality: German


University education and qualification
  • 1982-1988  Degree in Geology, Free University of Berlin, Germany
  • 1989-1992  Geo sciences (Dr.rer.nat), Free University of Berlin, Germany
  • Since 1997  Head of Marine Sedimentology; Division of Marine Science, Senckenberg Institute ,Wilhelmshaven, Germany
  • 1992 – 1997 Post Doc at the Senckenberg Institute, Division of Marine Science, Wilhelmshaven, Germany
  • 1990 – 1992  Research Assistant at the Free University of Berlin, Department of Sedimentology
  Professional experience
  • Since 1984  Shipboard scientist on German an international RVs
  • Since 2002  editorial board member of Geo Marine letters
  • Since 2003  Member of the expert-group “Guide book for geotechnical site surveys for offshore wind turbines” (Federal Maritime and Hydrographic Acency)
  • Since 2004  Scientific Board Member of the int. Conf. “Tidalites”
  • Since 2007  Member of the working group German Marine monitoring BLANO ErBem UAG Hydrology-Morphology
Fields of expertise
  • Marine Sedimentologie; Dynamics of coastal and shelf sediments; Facies analysis Of tidal basins and conceptional models; underwater acoustics remote sensing and acoustic seabed classification; HydroLab with sidescan sonar, multibeam, subbottom profiler, ADCP (mobil and stationary), CTDs, ADV, SVP, RTK-GPS, MRU; shallow work boats (6.5m and 8 m); Scientific-diver licence
  • 1997 – present  Field trips and lectures at the Senckenberg Institute for external student groups of several national and international universities
  • 1997- present  supervising of student interships (5 to 10 times per year 2-mounth stay);  Supervision of Bachelor-, Master- and PhD-Theses, mainly at the  University of Bremen.
  • 2004 – present Senior Lecturer in the Bachelor and Master-Course Program at the University of Bremen (Faculty of Earth Science and the MARUM)
  • Principle Investigator and chief scientist on more than 450 days on sea); North- /Baltic Sea, Atlantic and Indian Ocean; coastal waters of Columbia, Brazil, South Korea and New Zealand

Peer-Reviewed (80)

2020 ()

Capperucci R, Kubicki A, Holler P, Bartholomä A (2020) Does a sidescan sonar work for habitat mapping in 70 cm water depth? Effectiveness and Efficiency of acoustic techniques in extreme shallow water intertidal environments, in comparison with multispectral remote sensing tools. Geo Marine Letters,

2019 (4)

Becker L, Bartholomä A, Singer A, Bischof K, Coers S, Kröncke I (2019) Small-scale distribution modeling of benthic species in a protected natural hard ground area in the German North Sea (Helgoländer Steingrund). Geo Marine Letters,

Bartholomä A, Capperucci R, Becker L, Battershill C (2019) Hydrodynamics and hydroacoustic mapping of a benthic seafloor in a coarse grain habitat of the German Bight. Geo Marine Letters,

Held Ph, Bartholomä-Schrottke K, Bartholomä A (2019) Indications for the transistion of Kelvin-Helmholtz instabilities into propagating internal waves in a high turbid estuary and their effect on the stratification stability. Geo-Marine Letters, 39, 2, 149-159.

Boxberg F, Asendorf S, Bartholomä A, Schnetger B, de Lange W, Hebbeln D (2019) Historical anthropogenic heavy metal input to the south-eastern North Sea, p. 1-14, Open Access, Geo Marine Letters,

2018 (2)

Restrepo J C, Schrottke K, Traini, Bartholomä A, Ospino S, Ortíza J C, Otero L, Orejarena A (2018) Estuarine and sediment dynamics in a microtidal tropical estuary of high fluvial discharge: Magdalena River (Colombia, South America). Mar Geol., 398, 86-98.

Kröncke I, Becker L, Badewien Th H, Bartholomä A, Schulz A-Ch, Zielinski O (2018) Near- and Offshore Macrofauna Communities and Their Physical Environment in a South-Eastern North Sea Sandy Beach System. Frontiers in Marine Science, 5, 497, 10.3389/fmars.2018.00497.

2017 (6)

Gutperlet R, Capperucci RM, Bartholomä A, Kröncke I (2017) Relationships between spatial patterns of macrofauna communities, sediments and hydroacoustic backscatter data in a highly heterogeneous and anthropogenic altered environment. Journal of Sea Research, 121, 33-46, doi: 10.1016/j.seares.2017.01.005

Beck M, Reckhardt A, Amelsberg J, Bartholomä A., Brumsack H-J, Cypionka H, Dittmar T, Engelen B, Greskowiak J, Hillebrand H, Holtappels M, Neuholz R, Köster J, Kuypers M M M, Massmann G, Meier D, Niggemann J, Paffrath R, Pahnke K, Rovo S, Striebel M, Vandieken V, Wehrmann A, Zielinski O (2017) The drivers of biogeochemistry in beach ecosystems: A cross-shore transect from the dunes to the low-water line. Marine Chemistry, 190, 35-50.

Biondo M, Bartholomä A (2017) A multivariate analytical method to characterize sediment attributes from high-frequency acoustic backscatter and ground-truthing data (Jade Bay, German North Sea coast). Continental Shelf Research. 138 (04/2017), 65-80,

Krämer K, Holler P, Herbst G, Bratek A, Ahmerkamp S, Neumann A, Bartholomä A , van Beusekom J E E, Holtappels M, Winter Ch (2017) Abrupt emergence of a large pockmark field in the German Bight, south-eastern North Sea. Scientific Reports 7, 5150. DOI:10.1038/s41598-017-05536-1.

Holler, P., Markert, E., Bartholomä, A., Capperucci, R., Hass, C.H., Kröncke, I., Mielk, F., Reimers, C.H. (2017) Tools to evaluate seafloor integrity: comparison of multi-device acoustic seafloor classifications for benthic macrofauna-driven patterns in the German Bight, southern North Sea. Geo-Mar Lett, 37 (2), 93-109.

Hass Ch, Mielck F, Fiorentino D, Papenmeier S., Holler P, Bartholomä A (2017) Seafloormonitoring west of Helgoland (German Bight, North Sea) using the acoustic ground discrimination system RoxAnn. Geo-Mar Lett (2017) 37:125–136, DOI 10.1007/s00367-016-0483-1.

2016 (4)

Adolph W, Jung R, Schmidt A, Ehlers M, Heipke C, Bartholomä A, Farke H (2016) Integration of TerraSAR-X, RapidEye and airborne lidar for remote sensing of intertidal bedforms on the upper flats of Norderney (German Wadden Sea). Geo-Marine Letters, 37, 193-205, 10.1007/s00367-016-0485-z.

Adolph W, Schückel U, Chang S S, Jung R, Bartholomä A, Ehlers M, Kröncke I, Lehner S, Farke H (2016) Monitoring spatiotemporal trends in intertidal bedforms of the German Wadden Sea in 2009-2015 with TerraSAR-X, including links with sediments and benthic macrofauna. Geo-Marine Letters, 37, 79-91, 10.1007/s00367-016-0478-y.

Meyer J, Kröncke I, Bartholomä A, Dippner J W, Schückel U (2016) Long-term changes in species composition of demersal fish and epibenthic species in the Jade area (German Wadden Sea/Southern North Sea) since 1972, Estuarine, Coastal and Shelf Science, 181, 284-293;

Kubicki A, Kösters F, Bartholomä A (2016) Dune convergence/divergence controlled by residual current vortices in the Jade tidal channel, south-eastern North Sea. Geo-Mar Lett, 37 (02/2017), (1),47-74, DOI 10.1007/s00367-016-0470-6.

2015 (5)

Reckhardt A, Beck M, Seidel M, Riedel Th, Wehrmann A, Bartholomä A, Schnetger B, Dittmar T, Brumsack H-J (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.

Gutperlet R, Capperucci R M, Reiss H, Bartholomä A, Kröncke I (2015) Benthic biodiversity changes in response to dredging activities during the construction of a deep-water port. Mar. Biodiv.1/2015; doi 10.1007/s12526-014-0298-0

Bartholdy J, Ernstsen V, Flemming B, Winter C, Bartholomä A, Kroon A (2015) On the formation of current ripples. Scientific reports, 5.DOI: 10.1038/srep11390

Schrottke, K und Bartholomä, A (2015) Schliessen von Datenlücken und Verbesserung der Messmethoden. Die Küste, 83, 103-116.

Meilianda E, Huhn K, Alfian D, Bartholomä A, Kubicki A (2015): Variability of surface sediment re-distribution in the high-energy coastal shelf environment at German Bight, North Sea. AACL Bioflux, Vol.8 (5), 667-678.

2014 (1)

Papenmeier S, Schrottke K, Bartholomä A (2014) Over time and space changing characteristics of estuarine suspended particles in the German Weser and Elbe estuaries. Journal of Sea Research, Vol. 85, 104-115.

2013 (4)

Becker M, Schrottke K, Bartholomä A, Ernstsen V, Winter C, Hebbeln D (2013) Formation and entrainment of fluid mud layers in troughs of subtidal dunes in an estuarine turbidity zone. Journal of Geophysical Research Oceans. 118(4). 2175-2187. doi:10.1002/​jgrc.20153

Held Ph, Schrottke K, Bartholomä A (2013) Generation and Evolution of High Frequency Internal Waves in the Ems Estuary. Journ. of Sea Research, Vol 78, 25-35. doi:10.1016/j.seares.2012.12.001

Markert E, Holler P, Kröncke I, Bartholomä A (2013) Benthic habitat mapping of sorted bedforms using hydroacoustic and ground-truthing methods in a coastal area oft he German Bight/North Sea. Estuarine, Coastal and Shelf Science,129,94 -104.

Papenmeier S, Schrottke K, Bartholomä A, Flemming BW (2013) Sedimentological and Rheological Properties of the Water–Solid Bed Interface in the Weser and Ems Estuaries, North Sea, Germany: Implications for Fluid Mud Classification. Journal of Coastal Research, 29 (4), pp. 797-808.

2012 (4)

Flemming BW, Bartholomä A (2012) Temporal variability, migration rates, and preservation potential of subaqueous dune fields on the southeast African continental shelf. Int Assoc Sedimentol. Spec. Publ., 44, 229-248.

Meilianda, E., Alfian, D., Huhn, K., Bartholomä, A. (2012) Application of multivariate geostatistics to investigate the median grain-size distribution of the surficial sediments on the energetic shallow sandy shelf environment of the Spiekeroog Island of the German Bight, North Sea. Open Journal of Marine Science, 2012, 2, 103-118, doi:10.4236/ojms.2012.24014 Published Online October 2012 (

Papenmeier, S., Schrottke, K., Bartholomä, A. and Flemming., B.W. (2012) Sedimentological and rheological properties of the water-solid bed interface in the Weser and Ems estuaries, North Sea, Germany: Implications for fluid mud classification. Journal of Coastal Research, online published p. 121130055139007 30.11.2012, doi: 10.2112/JCOASTRES-D-11-00144.1, hdl:10013/epic.40839

Son Ch. S., Flemming, B.W., Bartholomä, A., Chun, S. S. (2012) Long-Term Changes In Morphology and Textural Sediment Characteristics In Response To Energy Variation On Shoreface-Connected Ridges Off the East Frisian Barrier-Island Coast, Southern North Sea Journal of Sedimentary Research, June 2012, v. 82, p. 385-399, doi:10.2110/jsr.2012.33

2011 (6)

Ernstsen, V. B. , Lefebvre A. , Bartholdy J. , Bartholomä A. and Winter C. (2011) Spatiotemporal height variations of large-scale bedforms in the Grådyb tidal inlet channel (Denmark): a case study on coastal system impact. J. Coast. Res.,Spec. Iss. 64, ICS 2011 Proc., 756-760.

Bartholomä, A., Holler, P., Schrottke, K. and Kubicki, A. (2011) Acoustic habitat mapping in the German Wadden Sea – Comparison of hydro-acoustic devices. J. Coast. Res.,Spec. Iss. 64, ICS 2011 Proc., 1-5.

Kubiki, A. & Bartholomä, A. (2011) Sediment dynamics in the Jade tidal channel prior to port construction, southeastern North Sea. J. Coast. Res.,Spec. Iss. 64, ICS 2011 Proc., 771-775.

Papenmeier, S., Schrottke, K., Bartholomä, A. (2011). Total volume concentration and size distribution of suspended matter at sites affected by water injection dredging of subaqueous dunes in the German Weser Estuary. Coastline Reports Vol 2010-16: 71-76.

Son, Ch.-S., Flemming, B.W. and Bartholomä, A. (2011): Evidence for sediment recirculation on an ebb-tidal delta of the East Frisian barrier-island system, southern North Sea. Geo Mar. Letts., 31 (2), 87-100.

Eichfeld, I., Bartholomä, A., Beck, M., Bungenstock, F., Freund, H., Karle, M., Kröncke, I., Schückel, U., Siegmüller, A., Silinski, A., Stratmann, V., Wehrmann, A., u. Wartenberg, W., 2010: The Jade Bay Project – a summary of targets and planned activities. Wadden Sea Ecosystem 26, 189–192.

2010 (3)

Bartholdy, J., B.W. Flemming, V.B. Ernstsen, C. Winter and A. Bartholomä (2010): Hydraulic roughness over simple subaqueous dunes. Geo-Marine Letters, 30(1): 63-76.

Bartholdy, J., V.B. Ernstsen, B.W. Flemming, C. Winter and A. Bartholomä (2010): A simple model of bedform migration. Earth Surface Processes and Landforms, vol 35, no. 10, 1211-1220.

Papenmeier, S., Schrottke, K., Bartholomä, A., Steege, V. (2010). Wirkungskontrolle von Wasserinjetkionsbaggerungen auf subaquatischen Dünenfeldern in der Unterweser auf der Basis von hydroakustischen, optischen und laseroptischen Messungen. Deutsche Gesellschaft für Limnologie (DGL), Erweiterte Zusammenfassungen der Jahrestagung 2009 (Oldenburg), Hardegsen, 6 S.

2009 (6)

Bartholdy J, Flemming BW, Ernstsen V, Winter C, Bartholomä A (2009) Hydraulic roughness over simple subaqueous dunes. Geo-Mar Lett, DOI 10.1007/s00367-009-0153-7

Bartholomä A, Kubicki A, Badewien Th H, Flemming BW. (2009) Suspended sediment transport in the German Wadden Sea – seasonal variations and extreme events. Ocean Dyn., Spec Iss., 59, 213-225, DOI 10.1007/s10236-009—0193-6

Badewien Th H, Zimmer E, Bartholomä A, Reuter R (2009) Towards a continuous long-term measurement of suspended particulate matter (SPM) in turbid coastal waters. Ocean Dyn., Spec Iss., 59, 227-238, DOI:10.1007/s10236-009-0183-8

Reuter R., Badewien TH, Bartholomä A, Braun A., Lübben A, Rullkötter J (2009) A hydrographic time-series station in the Wadden Sea (southern North Sea). Ocean Dyn., Spec Iss., 59, 195-211, DOI 10.1007/s10236-009-0196-3.

Staneva J, Stanev E, Wolff J-O, Badewien T, Reuter R, Flemming BW, Bartholomä A, Bolding K (2009) Hydrodynamics and sediment dynamics in the German Bight: A focus on observations and numerical modelling. Continental Shelf Research, 29 (1), 302-319.

Svenson C., Ernstsen V.B., Winter C. Bartholomä A. Hebbeln D. (2009) Tide-driven sediment variations on a large compound dune in the Jade tidal inlet channel, Southeastern North Sea. J. Coast. Res.,Spec. Iss. 56, ICS 2009 Proc., 361-365.

2008 (6)

Bartholdy J, Ernstsen VB, Flemming BW, Winter C, Bartholomä A (2008) On the development of a bedform migration model. In: Parsons D, Garlan T, Best J (eds) Marine and River Dune Dynamics, pp 9-16.

Bartholomä, A., K. Schrottke and C. Winter (2008) Sand wave dynamics: Surfing between assumptions and facts. In: Parsons, D., T. Garlan and J. Best (eds) Marine and River Dune Dynamics, p. 17-24

Karle, M. & Bartholomä, A. (2008) Saltmarsh sediments as natural resources for dyke construction – sediment recycling in clay pits. – Senck. Marit., 38/2, 83-92.

Schwarzer, K., Ricklefs, K., Bartholomä, A, Zeiler, M., (2008) Geological development of the North Sea and the Baltic Sea. Die Küste, 74, 1-17.

Zeiler, M., Schwarzer, K. , Bartholomä, A. Ricklefs, K. (2008) Seabed Morphology and Sediment Dynamics. – Die Küste, 74, 31-44.

Wang, L., Winter, C., Schrottke, K., Hebbeln, D. and Bartholomä, A. (2008): Modelling of estuarine fluid mud evolution in troughs of large subaequous dunes. In: Zanke, U. and A. Roland (editors), Proceedings of the Chinese-German Joint Symposium on Hydraulic and Ocean Engineering, August 24-30, 2008, Darmstadt, Germany, pp. 369-376.

2007 (6)

Bartholomä, A. & Flemming, B.W. (2007). Progressive grain-size sorting along an intertidal energy gradient. In: Flemming, B.W. & Hartmann, D. (eds), From particle size to sediment dynamics. Proceeding of a Workshop, 15-18 April 2004, Hanse Institiute for Advanced Study, Delmenhorst (Germany). Sedimentary Geology (Spec. Issue) 202: 464-472. doi:10.1016/j.sedgeo.2007.03.010

Chang, T.S., Flemming, B.W. and Bartholomä, A. (2007). Distinction between sortable silts and aggregated particles in muddy intertidal sediments of the southern North Sea. In: Flemming, B.W. & Hartmann, D. (eds), From particle size to sediment dynamics. Proceeding of a Workshop, 15-18 April 2004, Hanse Institiute for Advanced Study, Delmenhorst (Germany). Sedimentary Geology (Spec. Issue) 202: 453-463.

Ernstsen, V.B., Becker, M., Winter, C., Bartholomä, A., Flemming, B.W. & Bartholdy, J. (2007). Bedload transport in an inlet channel during s tidal cycle. In: Dohmen-Janssen, C.M. & Hulscher, S.J.M.H. (eds), River, Coastal and Estuarine Morphodynamics. RCEM 2007, University of Twente, Enschede (NL), Proceedings, pp. 351-358.

Stanev, E.V., Flemming, B.W., Bartholomä, A., Staneva, J.V. & Wolff, J.-O. (2007). Vertical circulation in shallow tidal inlets and back-barrier basins. Continental Shelf Research 27: 798-831.

Winter, C., Becker, M., Ernstsen, V., Bartholomä, A., Flemming BW, Hebbeln, D., Lunau, M. (2007) In-situ observation of aggregate dynamics in a tidal channel using acoustics-, laser diffraction-, and optics – Journal of Coastal Research, SI 50, 1173-1177.

Winter, C., Katoshevski, D., Bartholomä, A., Flemming, B.W. (2007) Grouping dynamics of suspended matter in tidal channels – Journal of Geophysical Research, 112, doi:10.1029/2005JC003423,

2006 (9)

Bartholomä, A. (2006): Acoustic bottom detection and seabed classification in the German Bight.- Geo Mar. Lett., 26, (3), 177-184, doi: 10.1007/s00367-006-0030-6.

Chang, T.S., Bartholomä, A. and Flemming, B.W. (2006): Seasonal dynamics of fine-grained sediments in a back-barrier tidal basin of the German Wadden Sea (southern North Sea).- Jour. Coastal Res., 22, (2), 328-338, doi:10.2112/03-0085.1.

Chang, T.S., Flemming, B.W., Tilch, E., Bartholomä, A. and Wöstmann R. (2006): Late Holocene stratigraphic evolution of a back-barrier tidal basin in the East Frisian Wadden Sea, southern North Sea. transgressiv deposition and its preservation potentional.- Facies, 52, No.3, 329-340, doi:10.1007/s10347-006-0080-2.

Chang TS, Joerdel O, Flemming BW, Bartholomä A (2006) The role of particle aggregation/disaggregation in muddy sediment dynamics and seasonal sediment turnover in a back-barrier tidalbasin, East Frisian Wadden Sea, southern North Sea.. Marine Geology 235: 49-61.

Ernstsen, V.B., Noormets, R. Hebbeln, D. Bartholomä, A. and Flemming, BW. (2006): Precision of high resolution multibeam echo sounding coupled with high-accuracy positioning in a shallow water coastal environment.- Geo Mar. Lett., 26 (3), 141-149, doi: 10.1007/s00367-006-0025-3.

Ernstsen, V.B., Noormets, R. Hebbeln, D., Winter, Ch. Bartholomä, A. Flemming, BW. and Bartholdy, J. (2006): Quantification of dune dynamics during a tidal cycle in an inlet channel of the Danish Wadden Sea.- Geo Mar. Lett., 26 (3), 151-163, doi: 10.1007/s00367-006-0026-2.

Noormets, R. Ernstsen, V.B., Bartholomä, A., Flemming, BW. and Hebbeln, D. (2006): Implications of bedform dimensions for the prediction of local scour in tidal inlets: a case study from the southern North Sea.- Geo Mar. Lett., 26 (3), 165-176, doi: 10.1007/s00367-006-0029-z.

Schrottke, K. Becker, M., Bartholomä, A., Flemming, BW. and Hebbeln, D. (2006): Fluid dynamics in the Weser estuary turbidity zone tracked by high-resolution side-scan sonar and parametric sub-bottom profiler.- Geo Mar. Lett., 26 (3), 185-198, doi: 10.1007/s00367-006-0027-1.

Winter, Ch. and Bartholomä, A. (2006): Coastal dynamics and human impact: south-eastern North Sea, an overview.- Geo Mar. Lett., 26 (3), 125-132, doi: 10.1007/s00367-006-0024-4.

2005 (6)

Bartholdy, J., Flemming, B.W., Bartholomä, A. & Ernstsen, V.B. (2005): Flow and grain size control of depth-independent simple subaqueous dunes. J. Geophys. Res. – Earth Surface, Vol. 110, F04S16, doi:10.1029/2004JF000183.

Ernstsen, V.B., Noormets, R., Winter, C., Bartholomä, A., Flemming, B.W. & Bartholdy, J. (2005): Development of subaqueous barchanoid dunes due to lateral flow and grain size variability in a tidal inlet channel of the Danish Wadden Sea. J. Geophys. Res. 110, F04S08, doi: 10.1029/2004JF000180.

Schrottke, K., Becker, M.& Bartholomä, A. (2005): Bed Mobility in the Weser Estuary Turbidity Zone – Hydro International, Vol. 9, No. 7, 27-29.

Schrottke, K., Bartholomä, A. & Stegmann, S. (2005): Sedimentkartierung des Weser-Ästuars auf Basis hydroakustischer Messungen. – Schriftenreihe des DVW Band 47: 45-51.

Bartholomä, A. (2005): Ermittlung von Sedimenttransport und Morphodynamik mit akustischen Methoden in der Nordsee. – Schriftenreihe des DVW Band 47: 261-264.

Wienberg, C. & Bartholomä, A. (2005) Acoustic seabed classification of a coastal environment (outer Weser Estuary, German Bight) – a new approach to monitor dredging and dredge spoil disposal, J Continental Shelf Res, 25, 1143-1156.

2004 (1)

Bartholomä, A., Ernstsen, V.B., Flemming, B.W. & Bartholdy, J. (2004): Bedform dynamics and net sediment transport paths over a flood-ebb tidal cycle in the Grådyb channel (Denmark), determined by high-resolution multi-beam echosounding.- Danish J. Geogr., 104: 45-55.

2002 (2)

Bartholdy, J., Bartholomä, A. & Flemming, B.W. (2002): Grain-size control of large compound flow-transverse bedforms in a tidal inlet of the Danish Wadden Sea.- Mar. Geol., 188: 391-413.

Joerdel, O., Bartholomä, A. and Flemming, B.W. (2002): Wave measurements using an ADCP?- The method and first results from the East Frisian Wadden Sea.- In Turla, T. (Eds.) (2002): Hydro 2002- Papers of the 17th Hydrographic Days 2002; The Hydrographic Special Publication, 46, 340-346

1998 (1)

Bartholomä, A., Ibbeken, H. & Schleyer, R. (1998): Modification of gravel during longshore transport (Bianco Beach, Calabria, Southern Italy.- Jour. Sedimentary Research 68 (1): 138-147.

1997 (1)

Flemming, B.W. & Bartholomä, A. (1997): Response of the Wadden Sea to a rising sea level: a predictive empirical model.- German J. Hydrogr., 49: 343-353.

1996 (1)

Delafontaine, M.T., Bartholomä, A., Flemming, B.W. & Kurmis, R. (1996): Volume-specific dry POC mass in surficial intertidal sediments: A comparison between biogenic muds and adjacent sand flats.- Senckenbergiana maritima, 26: 167-178.

1992 (1)

Diepenbroek, M., Bartholomä, A. & Ibbeken, H. (1992): How round is round? A new approach to the topic roundness by Fourier grain shape analysis.- Sedimentology, 39: 411-422.


Contributions to Books (11)

2015 (1)

Wehrmann, A. & Bartholomä, A. (2015): Meeresgeologie. In: Olderburger Landesverein für Geschichte, Natur und Heimatkunde e.V. und Biologische Schutzgemeinschaft Hunte Weser-Ems (Hrsg.): Die Jade- Flusslandschaft am Jadebusen, Isensee Verlag, Oldenburg, ISBN-978-3-7308-1075-0, 471 S..

2013 (3)

Bartholomä, A, Dittmann, T, Exo, K-M, Flemming, BW, Karle, M. Kröncke, I. Metzing, D & Vöge, S (2013) Die Kleipütte Petersgroden. In: III Oldenburgischer Deichband (Hrsg.) : Wiederverlandung einer Pütte – Forschungsergebnisse zu Chancen und Risiken von Kleientnahmen in Salzwiesen für den Deichbau. 61-67 ,KomReGis, Oldenburg, 217p, ISBN 978-3-938501-35-1.

Bartholomä, A, Karle, M. Flemming, BW, & Tilch, E (2013) Eine Kleipütte verlandet – Morphologie und Sedimente. In: III Oldenburgischer Deichband (Hrsg.) : Wiederverlandung einer Pütte – Forschungsergebnisse zu Chancen und Risiken von Kleientnahmen in Salzwiesen für den Deichbau. 68-88 ,KomReGis, Oldenburg, 217p, ISBN 978-3-938501-35-1.

Bartholomä, A, Bunje, J, Dittmann, T, Exo, K-M, Karle, M. Metzing, D, Südbeck, P & Vöge, S (2013) Synthese – Bewertung der ökologischen Verträglichkeit von Pütten. In: III Oldenburgischer Deichband (Hrsg.) : Wiederverlandung einer Pütte – Forschungsergebnisse zu Chancen und Risiken von Kleientnahmen in Salzwiesen für den Deichbau. 186-209 ,KomReGis, Oldenburg, 217p, ISBN 978-3-938501-35-1.

2006 (1)

Bartholomä, A., Flemming, B.W. (2006): Übergang zwischen Land und Meer. – in Look, E.R. & Feldmann (Eds.) Fazination Geologie – Die bedeutendsten Geotope Deutschlands – SchweizerBartsche Verlagsbuchhandlung, Stuttgart, 18-19.

2003 (1)

Flemming, B.W. & Bartholomä, A. (2003): Sedimentation und Erosion an der Nordseeküste.- In: Lozán, J.L., Rachor, E., Reise, K., Sündermann, J. & Westernhagen, H. von (Eds), Warnsignale aus Nordsee & Wattenmeer – Eine aktuelle Umweltbilanz. Wissenschaftliche Auswertungen/GEO, Hamburg, p. 57-60.

2000 (3)

Bartholomä, A., Flemming, B.W. & Delafontaine, M.T. (2000): Mass balancing the turnover of mud and sand in the vicinity of an intertidal mussel bank in the German Wadden Sea (southern North Sea).- In: Flemming, B.W., Delafontaine, M.T. & Liebezeit, G. (eds), Muddy Coast Dynamics and Resource Management. Elsevier Science, Amsterdam, pp. 85-106.

Delafontaine, M.T., Flemming, B.W. & Bartholomä, A. (2000). Mass balancing the turnover of POC in mud and sand on a back-barrier tidal flat (southern North Sea).- In: Flemming, B.W., Delafontaine, M.T. & Liebezeit, G. (eds), Muddy Coast Dynamics and Resource Management. Elsevier Science, Amsterdam, pp. 107-124.

Mai, S. & Bartholomä, A.: (2000): The missing mud flats of the Wadden Sea: a reconstruction of sediments and accomodation space lost in the wake of land reclamation.- In: Flemming, B.W., Delafontaine, M.T. & Liebezeit, G. (2000): Muddy coast dynamics and resource management.- Proceedings in marine science, ELSEVIER-Verlag Amsterdam, 257-272.

1999 (1)

Bartholomä, A. (1999): Zur historischen und künftigen Entwicklung der Morphologie des ostfriesischen Wattenmeers.- Umweltatlas Wattenmeer, Bd. 2 Zwischen Elb- und Emsmündung, Ulmer Verlag Stuttgart, 18-19.

1995 (1)

Flemming, B.W. & Bartholomä, A. [Hrsg.] (1995): Tidal Signatures in Modern and Ancient Sediments.- Special Publication of Int. Asc. Sed., 24, Blackwell Science: 358 S.; Oxford , U.K..


Journals and Reports (non peer reviewed) (25)

2020 (1)

Bartholomä A., Capperucci R., Bungenstock F., Schaumann R., Toebrock L, Enters D., Wehrmann A., Drews E. (2020) Rekonstruktion versunkener Landschaften im ostfriesischen Wattenmeer – Ergebnisse aus den geophysikalischen Messungen und Kernbohrungen im Projekt WASA. Nachrichten des Marschenrates, 57, 61-69.

2014 (2)

Bartholomä A. & Capperucci R. (2014): Fernerkundung zur Klassifizierung und Bewertung von Seeböden und Habitaten. Nachrichten des Marschenrates, Heft 51, S 58-63.

Winter C, Herrling G, Bartholomä A, Capperucci R, Callies U, Heipke C, Schmidt A, Hillebrand H, Reimers C, Bremer P, Weiler R. 2014. Wissenschaftliche Konzepte für ein Monitoring des ökologischen Zustands des deutschen Küstenmeeres. Wasser und Abfall 07-08/2014; 21-26

2011 (1)

Schrottke, K., Bartholomä, A., und Papenmeier, S. (2011) Auswirkungen von WI-Baggerungen subaquatischer Dünen auf die Sedimentcharakteristik und –dynamik der gewässersohle in der Tideweser. In: Bundesanstalt für Gewässerkunde BfG (Hrsg.) 2011: Umweltauswirkungen von Wasserinjektionsbaggerungen, (2), Koblenz, 42-54.

2006 (2)

Lang, St., Bartholomä, A., Hoppe, A. & Lerch, Ch. (2006): Einblicke in den Unetergrund-Flachseismik auf dem Main – Natur und Museum, 136(1/2): 15-19.

Bartholomä, A. & Flemming, B.W. (2006): Den Gezeiten auf der Spur- Exponat des Monats Oktober 2006.- Natur und Museum, 136(9/10): 227-229.

2005 (3)

Flemming, B.W., Bartholomä, A. (Hrgs.) (2005): Untersuchungen zur ökologischen Entwicklung bei der Wiederverlandung einer Kleipütte im Aussendeich bei Petersgroden (Jadebusen), 1. Dangaster Gespräche. – Berichte Forschungszentrum Terramare, Vol. 14, 67 S..

Flemming, B.W., Bartholomä, A. (2005): Schlicksedimentation und Salzwiesenentwicklung.- in: Flemming, B.W., Bartholomä, A. (Hrgs.) (2005): Untersuchungen zur ökologischen Entwicklung bei der Wiederverlandung einer Kleipütte im Aussendeich bei Petersgroden (Jadebusen), 1. Dangaster Gespräche. – Berichte Forschungszentrum Terramare, Vol. 14, 8-11.

Bartholomä, A., Karle, M. & Tilch. E. (2005): Morphodynamik und Sediemntologie.- in: Flemming, B.W., Bartholomä, A. (Hrgs.) (2005): Untersuchungen zur ökologischen Entwicklung bei der Wiederverlandung einer Kleipütte im Aussendeich bei Petersgroden (Jadebusen), 1. Dangaster Gespräche. – Berichte Forschungszentrum Terramare, Vol. 14, 12-20.

2002 (1)

Flemming, B.W., Bartholomä, A., Irion, G., Kröncke, I. & Wehrmann, A. (2002): Naturraum Wattenmeer.- Akad. Geowiss. Hannover, Veröffentl., 20: 150-159.

2001 (4)

Bartholomä, A. & Tilch, E. (2001): Morphodynamik und Sedimentologie. In: Flemming, B.W. (Hrsg.) (2001). Untersuchung der ökologischen Entwicklung einer Aussendeichskleipütte als Ergänzung der quantitativen Beweissicherung des Wiederverlandungsprozesses. Erster Zwischenbericht. Senckenberg am Meer, Bericht 01-1, 1-17.

Bartholomä, A. & Flemming, B.W. (2001a): 25 Jahre Meeresforschung mit FK „Senckenberg“. Vom Gebrauchsfahrzeug zum Multifunktionsschiff.- Natur und Museum, 131(10): 329-341.

Bartholomä, A. & Flemming, B.W. (2001b): Exponat des Monats November: Probennahme am Meeresboden.- Natur und Museum, 131(11): 412-413.

Flemming, B.W., Bartholomä, A. & Niedermeyer, R.-O. (2001): Rendezvous im Bodden. 10 Jahre Kooperation mit der Universität Greifswald.- Natur und Museum, 131(10): 341-350.

1999 (1)

Walter, U. Delafontaine, M.T., Henning, D., Bartholomä, A., Flemming, B.W. & Minhorst. A. (1999): Sublitorale Muschelkulturen in der Jade: Wachstum von Mytilus edulis L., Hydrographie, Sedimentologie und Benthosbesiedlung – Ein Projekt der Niedersächsischen Wattenmeerstiftung- Endbericht 1996-1999.- Forschungszentrum Terramare Berichte, Nr. 10, 69S..

1998 (4)

Flemming. B. & Bartholomä, A. (1998): Die Gezeiten – Ursachen und Erscheinungsformen.- In: Türkay. M. (Hrsg.): Wattermeer.- Kleine Senckenbergreihe 29: 3-9.

Flemming. B. & Bartholomä, A. (1998): Gezeitenmerkmale in Biologie und Geologie.- In: Türkay. M. (Hrsg.): Wattermeer.- Kleine Senckenbergreihe 29: 11-14.

Flemming. B., Bartholomä, A. & Mai, S. (1998): Sedimentzonierung im Ostfriesischen Wattenmeer.- In: Türkay. M. (Hrsg.): Wattermeer.- Kleine Senckenbergreihe 29: 21-24.

Bartholomä, A. & Flemming, B.W. (1999): Exponat des Monats: Schallbilder vom Meeresgrund. Natur und Museum, 130 (1): 20-22.

1996 (1)

Flemming, B.W., Bartholomä, A., Ramsay, P., Schuhmann, E., Smith, A., & Wehrmann, A. (1996): Marine Geoscience M33/3.- In: Lochte, K., Halbach, P. & Flemming, B.W.[Hrsg.]: Biogeochemical fluxes in the Deep Sea and investigations of geological structures in the Indian Ocean; Cruise No. 33 from 22.09.-30.12.1995.- Meteor-Berichte 96-5, Inst. Für Meereskunde der Universität Hamburg: 100-115.

1995 (1)

Bartholomä, A. & Flemming, B.W. (1995): Zur Sedimentdynamik in den ostfriesischen Rückseitenwatten und den Veränderungen durch natürliche und anthropogene Einflüsse.- In: Schutzgemeinschaft Deutsche Nordseeküste [Hrsg]: Klimaänderung und Küste 1995.- Schutzgemeinschaft Deutsche Nordseeküste, 9: 70-89.

1994 (3)

Bartholomä, A., Boysen-Ennen, E., Delafontaine, M.T., Flemming, B.W., Hertweck, G., Kröncke, I. & Türkay, M. (1994): Zur Elastizität makrofaunistischer biosedimentärer Systeme im Spiekerooger Watt: Wechselwirkung zwischen Organismen, Sediment und Wasserkörper.- In: Umweltbundesamt [Hrsg.]: Ber. aus der ÖSF. Wattenmeer, 4: 98-100.

Bartholomä, A. & Flemming, B.W. (1994): Massenbilanz und Transportsortierung der Sedimente der Gröninger Plate.- In: Umweltbundesamt [Hrsg.]: Ber. aus der ÖSF. Wattenmeer, 4: 218-220.

Flemming, B.W., Delafontaine, M.T. & Bartholomä, A. (1994): Morphodynamics and mass balances of biodeposition in a back barrier mussel bank (Spiekeroog, southern North Sea).- In: Umweltbundesamt [Hrsg.]: Ber. aus der ÖSF. Wattenmeer, 4: 98-100.

1993 (1)

Bartholomä, A., 1993. Zeitliche Variabilität und räumliche Inhomogenität in den Substrateigenschaften und der Zoobenthosbesiedlung im Umfeld von Miesmuschelbänken. D. Hydrodynamik. Berichte Senckenberg am Meer 93/1, pp. 117–123.


Gavin Breyer
Scientific employee marine sedimentology

Scientific Career:

since 2022
Scientist in CREATE (Concepts to Reduce the Impact of Anthropogenic Pressures
and Benefits on Marine Ecosystems and Biodiversity), Senckenberg am Meer, Wilhelmshaven
2020 – 2021
M.Sc. Geoinformation Sciences, Jade University Oldenburg
(Masterthesis: Predictive Modelling of Lanice Conchilega in the German Wadden Sea of
Schleswig-Holstein Based on Sidescan Data and Machine Learning)
2016 – 2020
B.Sc. Applied Geodesy, Jade University Oldenburg

Research Interest
Predictive Modelling of Benthic Communities
Implementation and Development of Machine Learning Algorithms for Classification Tasks

Astrid Raschke
Technische Assistentin Marine Sedimentologie