Thomas  Mann

Dr. Thomas Mann

Postdoctoral Researcher

Department: Biogeochemistry and Geology
Working Group: WG Geoecology and Carbonate Sedimentology

Phone: +49 421 23800 - 179

Fax: +49 (421) 23800 - 30

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Office: Wiener Str. 7
28359 Bremen
Room: 5304 (3rd floor)

ZMT Field data available in these locations

Please email researcher for details.


Research interests

- Sedimentology of shallow marine carbonates
- The morphological response of rimmed carbonate shelves to sea level rise
- Sequence stratigraphy of carbonate depositional systems and terrigenous clastic settings
- Carbonate sediments as database for understanding global climate change
- Petrographic analysis of carbonate rocks


Personal Data

Postdoc-project

Sea-level changes and carbonat sedimentation along tropical coastlines

Subject of PhD thesis

Reef island dynamics on recent-past and geological timescales – New insights from the Indo-Pacific region (summa cum laude)

More information

Zu den Blogs der Expedition nach Indonesien in 2012 und 2013
Zum Blog der Expedition nach Ghana in 2014 und 2015
Zum Blog der Expedition nach Indonesien in 2016

Teaching at faculty 5 of the University of Bremen

Bachelor program geosciences:

05-BA-6-S5.3-2   Beckenanalyse (3 SWS)

Internationale Master program Marine Geosciences:

05-MAR-2-E-1.l   Exkursion Ligurien (1 SWS)
05-MAR-2-C5-2  Sedimentology and Ecology of Shelves (1 SWS)


Publications

Peer-reviewed journals

Mann, T., Bender, M., Lorscheid, T., Stocchi, P., Vacchi, M., Switzer, A. and Rovere, A. (in press): Holocene sea levels in Southeast Asia, Maldives, India and Sri Lanka: The SEAMIS database. Quaternary Science Reviews.

Mann, T., Bender, M., Lorscheid, T., Stocchi, P., Vacchi, M., Switzer, A. and Rovere, A. (in press): Relative sea-level data from the SEAMIS database compared to ICE-5G model predictions of glacial isostatic adjustment. Data in Brief.

Kench, P.S. und Mann, T. (2017): Reef island evolution and dynamics: Insights from the Indian and Pacific oceans and perspectives for the Spermonde Archipelago. Frontiers in Marine Science 4:145. doi: 10.3389/fmars.2017.00145.

Janßen, A., Wizemann, A., Klicpera, A., Satari, D.Y., Westphal, H. und Mann, T. (2017): Sediment composition and facies of coral reef islands in the Spermonde Archipelago, Indonesia. Frontiers in Marine Science 4:144. doi: 10.3389/fmars.2017.00144.

Lorscheid, T., Stocchi, P., Casella, E., Gómez-Pujol, L., Vacchi, M., Mann, T. und Rovere, A. (2017): Paleo sea-level changes and relative sea-level indicators: modern analogs, precise measurements and glacial isostatic adjustment in Mallorca (Western Mediterranean). Paleogeography, Paleoclimatology, Paleoecology, 473, 94-107. http://doi.org/10.1016/j.palaeo.2017.02.028.

Mann, T., Rovere, A., Schöne, T., Klicpera, Á., Stocchi, P., Lukman, M. and Westphal, H. (2016): The magnitude of a mid-Holocene sea-level highstand in the Strait of Makassar. Geomorphology, 257. 155-163. doi:10.1016/j.geomorph.2015.12.023.

Mann, T. and Westphal, H. (2016): Multi-decadal shoreline changes on Takú Atoll, Papua New Guinea: Observational evidence of early reef island recovery after the impact of storm waves. Geomorphology, 257, 75-84. doi:10.1016/j.geomorph.2015.12.028. (among top-rated articles by altimetric.com)

Mann, T., Bayliss-Smith, T.P. and Westphal, H. (2016): A geomorphic interpretation of shoreline change rates on reef islands. Journal of Coastal Research 32(3), 500-507. doi: 10.2112/JCOASTRES-D-15-00093.

Wizemann, A., Mann, T., Klicpera, Á. and Westphal, H. (2015): Microstructural analyses of sedimentary Halimeda segments from the Spermonde Archipelago (SW Sulawesi, Indonesia): a new indicator for sediment transport in tropical reef islands?. Facies, 61(2), 1-18. doi: 10.1007/s10347-015-0429-5.

Mann, T., and Westphal, H. (2014): Assessing Long-Term Changes in the Beach Width of Reef Islands Based on Temporally Fragmented Remote Sensing Data. Remote Sensing, 6(8), 6961-6987. doi:10.3390/rs6086961.

Book chapters

Mann, T. (2018): A note on the evolution of coral reef islands. In Hempel, G., Hempel, I. und Hornidge, A.-K. (eds.). Scientific partnership for a better future – Bremen´s research along tropical coasts. Edition Falkenberg, Rotenburg/W. und Bremen.

Mann, T., (2017): Vom Wachstum der Koralleninseln. In Hempel, G., Hempel, I. und Hornidge, A.-K. (eds.). Klüger nutzen – besser schützen: Bremer Forschung an tropischen Küsten (1st Edition). Edition Falkenberg, Rotenburg/W. und Bremen.

Mann, T. und Westphal, H. (2017): Frisst der Meeresspiegelanstieg die Korallenriffe? In Hempel, G., Bischof, K. and Hagen, W. (eds.). Faszination Meeresforschung – Ein ökologisches Lesebuch (2nd Edition). Springer Verlag, Berlin

Theses

PhD Thesis

Reef island dynamics on recent-past and geological timescales – New insights from the Indo-Pacific region, 194p.

Diploma mapping report

Geological mapping of the area north of Vega de Yeres, Cantabrian Mountains, Northern Spain; Diploma Mapping Report; 88 p.

Diploma Thesis

Sedimentological and petrological research on Upper Ordovician successions from the Iberian Cordillera (Central Spain) and the Truchas Syncline (Northern Spain); Diploma Thesis; 101 p.

Conference contributions

Bender, M., Rovere, A., Kneer, D., Stocchi, P., Jompa, J. and Mann,T.: Holocene sea-level changes in SE Asia (Poster). European Geosciences Union (EGU) General Assembly. 7th – 12th April 2019, Vienna, Austria.


2018
Mann, T. Holocene sea levels in Southeast Asia (invited talk). Ocean – Climate – Sustainability Research Frontiers Conference. 22nd – 23rd October 2018, Berlin, Germany.


Mann, T., Kench, P., Kneer, D., Beetham, E., Schöne, T., Stocchi, P., Marfai, M. Westphal. H.: Extended periods of sea-level stability during mid-Holocene flooding of the Sunda Shelf. (Poster). GeoBonn2018: Living Earth. 2nd – 6th September 2018, Bonn, Germany.


Mann, T., Wizemann, Á., Kench, P., Jompa, J. and Westphal, H.: Chronological reconstruction of reef island formation in the Spermonde Archipelago, Indonesia (Talk). GeoBonn2018: Living Earth. 2nd – 6th September 2018, Bonn, Germany.


Bender, M., Mann, T., Kneer, D., Stocchi, P., Jompa, J. and Rovere, A.; Holocene sea-level changes in SE Asia – Fieldwork in Indonesia and first results (poster presentation). European Geosciences Union (EGU) General Assembly. 8th – 13th April 2018, Vienna, Austria.


Rovere, A., Mann, T,. Westphal, H., Schöne, T. and Bender, M.: SEASchange (WP-A) (Talk). 2nd annual meeting of the DFG SPP-1889 “Regional Sea Level Change and Society” (SeaLevel). 19th – 25th March 2018, Hamburg, Germany.


2017
Mann, T., Wizemann, A., Kench, P., Jompa, J. and Westphal, H.: Residence times of reef-island sediments constrained by post-mortem precipitates (oral presentation). GeoBremen2017: The System Earth and its Materials – from Seafloor to Summit. 25th – 27th September 2017, Bremen, Germany.


Mann, T., Kench, P., Kneer, D., Beetham, E., Schöne, T., Stocchi, P., Rovere, A., Marfai, A. and Westphal, H.: Mid-Holocene relative sea-level rise in Northern Java (Indonesia) reconstructed from massive fossil microatolls (poster presentation). GeoBremen2017: The System Earth and its Materials – from Seafloor to Summit. 25th – 27th September 2017, Bremen, Germany.


Lassalle, B., Mann, T., Casella, E., Rovere, A., Mensah-Senoo, T., Jayson Quashigah, P.-N., Appeaning Addo, K., Serwa, A. and Westphal, H.: The potential of relative heavy mineral abundances in superficial beach sediments for the determination of recent-past shoreline changes: Keta Municipal District, Ghana (poster presentation). GeoBremen2017: The System Earth and its Materials – from Seafloor to Summit. 25th – 27th September 2017, Bremen, Germany.


Rex, M.L., Mann, T., Westphal, H. and Thürkow, D.: Shoreline changes interpreted from multi-temporal remote sensing data: Semarang, Indonesia (oral presentation). GeoBremen2017: The System Earth and its Materials – from Seafloor to Summit. 25th – 27th September 2017, Bremen, Germany.


Serwa, A., Mann, T., Westphal, H., Lassalle, B.1, Rovere, A., Casella, E., Appeaning Addo, K., Jayson- Quashigah, P.-N. and Mensah-Senoo, T.: Shoreline changes in the Keta Municipal District (Ghana): Evidence from multi-decadal records (poster presentation). GeoBremen2017: The System Earth and its Materials – from Seafloor to Summit. 25th – 27th September 2017, Bremen, Germany.


Jayson-Quashigah, P.-N., Appeaning Addo, K., Wiafe, G., Rovere, A., Westphal, H. and Mann, T.: Monitoring short-term shoreline dynamics using Unmanned Aerial Vehicles: A Case study of Keta, Ghana (poster presentation). GeoBremen2017: The System Earth and its Materials – from Seafloor to Summit. 25th – 27th September 2017, Bremen, Germany.


Mann, T., Kench, P.S., Kneer, D., Beetham, E., Schöne, T., Stocchi, P., Rovere, A., Marfai, A. and Westphal, H.: Geophysical modeling results and mid-Holocene relative sea-level data from northern Java, Indonesia (poster presentation). WCRP/IOP Conference on Regional Sea Level Changes and Coastal Impacts. 10th – 14th July 2017, New York City, USA.


Bender, M., Mann, T., Stocchi, P., Switzer, A., Horton, B., Lukman, M., Jompa, J. and Rovere, A: A Holocene sea-level database for Southeast Asia (poster presentation). WCRP/IOP Conference on Regional Sea Level Changes and Coastal Impacts. 10th – 14th July 2017, New York City, USA.


Lorscheid, T., Stocchi, P., Felis, T., Casella, E., Gómez-Pujol, L., Obert, J., Scholz, D., Vacchi, M., Mann, T. and Rovere, A.: Numerical modeling of the indicative meaning of sea-level indicators in Pleistocene sea-level studies (poster presentation). WCRP/IOP Conference on Regional Sea Level Changes and Coastal Impacts. 10th – 14th July 2017, New York City, USA.


Mann, T., Kench, P.S., Kneer, D., Beetham, E., Schöne, T., Stocchi, P., Rovere, A., Marfai, A. and Westphal, H.: An early- to mid-Holocene relative sea-level highstand in Northern Java (Indonesia) reconstructed from fossil microatolls (poster presentation). Royal Society Meeting Lost and future worlds: marine palaeolandscapes and the historic impact of long-term climate change. 15th-16th May 2017, Buckingham Shire, UK.


Bender, M., Mann, T., Stocchi, P., Switzer, A., Horton, B.P., Lukman, M., Jompa, J. and Rovere, A.: A preliminary database of Holocene sea level indicators in SE Asia (poster presentation). European Geosciences Union (EGU) General Assembly. 23rd-28th April 2017, Vienna, Austria.


Khan, N., Rovere, A., Engelhart, S., Horton, B. and the HOLSEA Working Group: Inception of a global atlas of Holocene sea levels (Talk). European Geosciences Union (EGU) General Assembly. 23rd-28th April 2017, Vienna, Austria.


Mann, T., Wizemann, Á., Kench, P.S., Jompa, J. and Westphal, H.: Residence times of reef-island sediments constrained by post-mortem precipitates (poster presentation). European Geosciences Union (EGU) General Assembly. 23rd-28th April 2017, Vienna, Austria.


Mann, T., Kench, P.S., Kneer, D., Beetham, E., Schöne, T., Stocchi, P., Rovere, A., Marfai, A. and Westphal, H.: Mid-Holocene relative sea-level rise in Northern Java (Indonesia) reconstructed from massive fossil microatolls (poster presentation). European Geosciences Union (EGU) General Assembly. 23rd-28th April 2017, Vienna, Austria.


2016
Mann, T., Kench, P.S., Kneer, D., Beetham, E., Rovere, A., Schöne, T., Stocchi, P., Marfai, A. and Westphal, H.: A relative sea-level highstand in northern Java (Indonesia) reconstructed from massive fossil microatolls (Talk). International Conference on Migration and Environmental Change. 8th-9th December 2016, Berlin, Germany.


Lassalle, B., Serwa, A., Westphal, H., Mensah-Senoo, T., Jayson-Quashigah, P.N., Casella, E., Rovere, A., Appeaning-Addo, K. and Mann, T.: Heavy mineral analysis of the coastal area of the Keta Municipal District (Ghana): A new indicator for medium-term shoreline displacement? (Talk). International Conference on Migration and Environmental Change. 8th-9th December 2016, Berlin, Germany.


Rex, M., Westphal, H., Marfai, A., Thürkow, D., Helmi, M. and Mann, T.: Shoreline and land-level changes interpreted from multi-temporal remote sensing data and historical maps: Semarang, Indonesia (Talk). International Conference on Migration and Environmental Change. 8th-9th December 2016, Berlin, Germany.


Serwa, A., Westphal, H., Lassalle, B., Jayson-Quashigah, P.N., Mensah-Senoo, T., Rovere, A., Casella, E., Appeaning-Addo, K. and Mann, T.: Shoreline changes in the Keta Municipal District (Ghana): Evidence from multi-decadal records (Talk). International Conference on Migration and Environmental Change. 8th-9th December 2016, Berlin, Germany.


Khan, N. and the HOLSEA Working Group: A global synthesis of Holocene sea-level data to determine its rates, mechanisms and geofraphic variability (Talk). American Geophysical Union (AGU) Fall Meeting. December 12th-16th 2016, San Francisco, USA.


Mann, T., Kench, P.S., Rovere, A., Schöne, T., Stocchi, P., Marfai, A. and Westphal, H.: Holocene relative sea-level record for the Java Sea (Indonesia) reconstructed from fossil microatolls (Poster). PALSEA2 2016 Workshop: Sea-level budgets at decadal to millennial time scales to bridge the paleo and instrumental records. 19th-21st September 2016, Mt. Hood, Oregon, USA.


Casella E., Harris D., Parravicini V., Mann T., Collin A., Lorscheid T., Quasingah P. J., Mensah-Senoo T., Appeaning Addo K., Drechsel, J. and Rovere A.: Low altitude remote survey of coastal areas using drones: some applications (Talk). GeoSUB – Underwater Geology. 13th-17th September 2016, Ustica, Italy.


Mann, T.: A synthesis of Holocene relative sea-level records in central Indonesia (invited keynote lecture). MOPP – Medflood: Modelling Paleo Processes. 8th-9th September 2016, Bremen, Germany.


Mann, T., Kench, P.S., Rovere, A., Schöne, T., Stocchi, P., Marfai, A. and Westphal, H.: Holocene relative sea-level record for the Java Sea (Indonesia) reconstructed from fossil microatolls (Talk). ECSA 56 Coastal systems in transition: From a 'natural' to an 'anthropogenically-modified' state. 4th-7th September 2016, Bremen, Germany.


Rex, M., Helmi, M., Mann, T., Marfai, A., Thürkow, D., and Westphal, H.: Shoreline changes interpreted from multi-temporal remote sensing data: Semarang, Indonesia (Talk). ECSA 56 Coastal systems in transition: From a 'natural' to an 'anthropogenically-modified' state. 4th-7th September 2016, Bremen, Germany.


Serwa, A., Mann, T., Rovere, A., Casella, E., Appeaning-Addo, K., Jayson-Quashigah, P.N., Mensah-Senoo, T., Lassalle, B. and Westphal, H.: Shoreline changes in the Keta Municipal District (Ghana): Evidence from multi-decadal records (Poster). ECSA 56 Coastal systems in transition: From a 'natural' to an 'anthropogenically-modified' state. 4th-7th September 2016, Bremen, Germany.


Lassalle, B., Mann, T., Casella, E., Rovere, A., Mensah-Senoo, T., Jayson-Quashigah, P.-N., Appeaning-Addo, K., Serwa, A. and Westphal. H.: Heavy mineral analysis of the coastal area of the Keta Municipal District (Ghana) (Talk). ECSA 56 Coastal systems in transition: From a 'natural' to an 'anthropogenically-modified' state. 4th-7th September 2016, Bremen, Germany.


Janßen, A., Mann, T. and Westphal, H.: Sedimentary composition of an uninhabited reef island in the Spermonde Archipelago, SW Sulawesi, Indonesia (Poster). ECSA 56 Coastal systems in transition: From a 'natural' to an 'anthropogenically-modified' state. 4th-7th September 2016, Bremen, Germany.


Mann, T.: Holocene sea-level variability in Indonesia (invited keynote lecture). National Seminar on Coastal and Watershed Management, May 12th 2016, Universitas Gadjah Mada, Yogyakarta, Indonesia.


Rex, M., Helmi, M., Mann, T., Marfai, A., Thürkow, D., and Westphal, H.: Shoreline changes interpreted from multi-temporal remote sensing data: Semarang, Indonesia (Talk). International Conference on New Regional Formations: Rapid environmental change and migration in coastal areas. March 7th-8th 2016, Yogyakarta, Indonesia.


2015
Lorscheid, T., Stocchi, P., Rovere, A., Gómez-Pujol, L., Mann, T. and Fornos, J.J.: Sea-level highstands during the Last interglacial (MIS 5e) in Mallorca (Poster). American Geophysical Union (AGU) Fall Meeting. December 14th-19th 2015, San Francisco, USA.


Appeaning-Addo, K., Casella, E., Jayson-Quashigah, P.-N., Lassalle, B., Mann, T., Mensah-Senoo, T., Rovere, A., Serwa, A. Westphal, H. and Wiafe, G.: Approaches to evaluate long-, medium-, and short-term shoreline changes at the coastline of Keta (Ghana) (Talk). Regional Conference on New Regional Formations: Rapid environmental change and migration in coastal areas. November 17th-18th 2015, Accra, Ghana.


Mann, T., Rovere, A., Schöne, T., Klicpera, Á., Stocchi, P., Lukman, M. and Westphal, H.: A revision of Holocene sea-level oscillations in the Strait of Makassar (Talk). International Conference on Small Islands Research in Tropical Regions (SIRTRE) – The Spermonde Archipelago and other case studies. September 15th-16th 2015, Makassar, Indonesia.


Lorscheid, T., Stocchi, P., Rovere, A., Gómez-Pujol, L., de Boer, B., Mann, T., Westphal, H. and Fornos, J.J.: Sea-level highstands in Mallorca during the last interglacial (Talk). Workshop on global and regional sea level variability and change. June 10th-12th 2015, Palma de Mallorca, Spain.


Lorscheid, T., Stocchi, P., de Boer, B., Mann, T., Westphal, H. and Rovere, A.: New sea-level data of the MIS 5e interglacial of Mallorca Island, Spain (Poster). European Geosciences Union (EGU) General Assembly. April 13th 17th April 2015, Vienna, Austria.


2014
Mann, T., Wizemann, Á. and Westphal, H.: Halimeda segments as potential tracer for reef island evolution (Poster). International Conference GeoFrankfurt – Earth System Dynamics. September 21st-24th 2014, Frankfurt a.M., Germany.


Mann, T., Schöne, T., Rovere, A., Klicpera, Á., Satari, D.Y. and Westphal, H.: Reconstructing past sea level in the Spermonde Archipelago, SW Sulawesi, Indonesia (Poster). 19th International Sedimentological Congress (ISC), August 18th-22nd 2014, Geneva, Switzerland.


Mann, T., Wizemann, Á. and Westphal, H.: A sedimentary tracer for reef island evolution (Talk). GLOMAR PhD Days, April 7th-8th 2014, Etelsen, Germany.


2013
Mann, T., and Westphal, H.: Geomorphological adjustments of reef islands on Takú Atoll (Talk). GLOMAR PhD Days, April 22nd-23rd 2013, Etelsen, Germany.


2012
Mann, T., Keller, M., and Nollau, G.: Provenance, depositional environments and sequence stratigraphy of glacially influenced Paleozoic sediments from northern and central Spain (Talk). International Conference of the Geologische Vereinigung and SEDIMENT, September 23rd – 28th 2012, Hamburg, Germany.


Mann, T.: Stability and maintenance of reef islands in the context of global climate change (Talk). GLOMAR Workshop No. 37, July 28th 2012, Bremen, Germany.