Browse by Creators (Kiel)

Up a level
Export as [feed] RSS [feed] RSS 3.0
Group by: Document type | No Grouping | Year of publication
Number of items: 49.

Article in a Scientific Journal - peer-reviewed

[img]

Foltz, G. R., Brandt, P., Richter, I., Rodríguez-Fonseca, B., Hernandez, F., Dengler, M., Rodrigues, R. R., Schmidt, J. O., Yu, L., Lefevre, N., Da Cunha, L. C., McPhaden, M. J., Araujo, M., Karstensen, J., Hahn, J., Martín-Rey, M., Patricola, C. M., Poli, P., Zuidema, P., Hummels, R., Perez, R. C., Hatje, V., Lübbecke, J. F., Polo, I., Lumpkin, R., Bourlès, B., Asuquo, F. E., Lehodey, P., Conchon, A., Chang, P., Dandin, P., Schmid, C., Sutton, A., Giordani, H., Xue, Y., Illig, S., Losada, T., Grodsky, S. A., Gasparin, F., Lee, T., Mohino, E., Nobre, P., Wanninkhof, R., Keenlyside, N., Garcon, V., Sánchez-Gómez, E., Nnamchi, H., Drévillon, M., Storto, A., Remy, E., Lazar, A., Speich, S., Goes, M., Dorrington, T., Johns, W. E., Moum, J. N., Robinson, C., Perruche, C., de Souza, R. B., Gaye, A. T., López-Parages, J., Monerie, P. A., Castellanos, P., Benson, N. U., Hounkonnou, M. N., Duhá, J. T., Laxenaire, R. and Reul, N. (2019) The Tropical Atlantic Observing System Frontiers in Marine Science, 6 (206). DOI 10.3389/fmars.2019.00206.

[img]

Bourlès, B., Araujo, M., McPhaden, M. J., Brandt, P., Foltz, G. R., Lumpkin, R., Giordani, H., Hernandez, F., Lefèvre, N., Nobre, P., Campos, E., Saravanan, R., Trotte‐Duhà, J., Dengler, M., Hahn, J., Hummels, R., Lübbecke, J. F., Rouault, M., Cotrim, L., Sutton, A., Jochum, M. and Perez, R. C. (2019) PIRATA: A Sustained Observing System for Tropical Atlantic Climate Research and Forecasting Earth and Space Science, 6 (4). pp. 577-616. DOI 10.1029/2018EA000428.

[img] [img]

Bittig, H. C., Körtzinger, A., Neill, C., van Ooijen, E., Plant, J. N., Hahn, J., Johnson, K. S., Yang, B. and Emerson, S. R. (2018) Oxygen Optode Sensors: Principle, Characterization, Calibration, and Application in the Ocean Frontiers in Marine Science, 4 . Art.No. 429. DOI 10.3389/fmars.2017.00429.

[img] [img]

Hahn, J., Brandt, P., Schmidtko, S. and Krahmann, G. (2017) Decadal oxygen change in the eastern tropical North Atlantic Ocean Science, 13 (4). pp. 551-576. DOI 10.5194/os-13-551-2017.

[img]

Karstensen, J., Fiedler, B., Schütte, F., Brandt, P., Körtzinger, A., Fischer, G., Zantopp, R. J., Hahn, J., Visbeck, M. and Wallace, D. W. R. (2015) Open ocean dead zones in the tropical North Atlantic Ocean Biogeosciences (BG), 12 . pp. 2597-2605. DOI 10.5194/bg-12-2597-2015.

[img]

Brandt, P., Bange, H. W., Banyte, D., Dengler, M., Didwischus, S. H., Fischer, T., Greatbatch, R. J., Hahn, J., Kanzow, T., Karstensen, J., Körtzinger, A., Krahmann, G., Schmidtko, S., Stramma, L., Tanhua, T. and Visbeck, M. (2015) On the role of circulation and mixing in the ventilation of oxygen minimum zones with a focus on the eastern tropical North Atlantic Biogeosciences (BG), 12 . pp. 489-512. DOI 10.5194/bg-12-489-2015.

[img]

Hahn, J., Brandt, P., Greatbatch, R. J., Krahmann, G. and Körtzinger, A. (2014) Oxygen variance and meridional oxygen supply in the Tropical North East Atlantic oxygen minimum zone Climate Dynamics, 43 (11). pp. 2999-3024. DOI 10.1007/s00382-014-2065-0.

[img]

Brandt, P., Greatbatch, R. J., Claus, M., Didwischus, S. H., Hormann, V., Funk, A., Hahn, J., Krahmann, G., Fischer, J. and Körtzinger, A. (2012) Ventilation of the equatorial Atlantic by the equatorial deep jets Journal of Geophysical Research: Oceans, 117 (C12). C12015. DOI 10.1029/2012JC008118.

Conference presentation


Hahn, J., Schütte, F., Brandt, P. and Frenger, I. (2019) Oxygen depleted eddies at low latitudes in the eastern tropical North Atlantic [Invited talk] In: ETH Zürich: UP group seminar, 08.03.2019, Zürich, Switzerland.


Hahn, J. and Hummels, R. (2018) Aquadopp applications in physical oceanography at GEOMAR [Talk] In: Nortek Seminar, 18.06.2018, Rud (Oslo), Norway.

[img]

Brandt, P., Hahn, J., Schmidtko, S. and Oschlies, A. (2018) Changes in the tropical Atlantic oxygen minimum zone in perspective of global ocean deoxygenation [Invited talk] In: THEMES 2018 - Oceanic and atmospheric variability, from long-term trends to abrupt shifts, 28.-30.11.2018, Venice, Italy.

[img]

Brandt, P., Hahn, J. and Schmidtko, S. (2018) Drivers and mechanisms of thermocline oxygen changes in the eastern tropical North Atlantic [Invited talk] In: Ocean Deoxygenation Conference 2018, 03.-07.09.2018, Kiel, Germany.

[img]

Hahn, J., Brandt, P. and Kemme, J. (2018) Eddy-driven oxygen supply to the eastern tropical North Atlantic oxygen minimum zone [Talk] In: PIRATA 23 Meeting, 22.10.-26.10.2018, Marseille, France.


Hahn, J. (2018) Jagd auf gigantische Wasserwirbel in der Todeszone [Public Lecture] In: Geht dem Ozean die Luft aus?, 05.09.2018, Kiel, Germany.

[img]

Brandt, P., Schmidtko, S. and Hahn, J. (2018) Oxygen changes in the tropical North Atlantic in connection to meridional overturning circulation and subtropical cell variability [Talk] In: PIRATA 23 Meeting, 22.10.-26.10.2018, Marseille, France.


Hahn, J., Brandt, P., Roth, C., Schwarzkopf, F. U., Duteil, O., Karstensen, J., Schütte, F., Krahmann, G. and Körtzinger, A. (2018) Time scales of oxygen variability in the eastern tropical North Atlantic [Talk] In: Ocean Deoxygenation: Drivers and Consequences - Past/Present/Future. International Conference, 03.-07.09.2018, Kiel, Germany.

[img]

Hahn, J., Brandt, P., Schmidtko, S. and Krahmann, G. (2016) Interplay of oxygen and hydrography in the eastern tropical North Atlantic on decadal to multi-decadal time scales [Talk] In: EGU General Assembly 2016, 17.-22.04.2016, Vienna, Austria.

[img]

Brandt, P., Hahn, J., Schütte, F., Fischer, T., Karstensen, J., Greatbatch, R. J., Dengler, M., Körtzinger, A., Krahmann, G., Schmidtko, S., Stramma, L., Tanhua, T. and Visbeck, M. (2016) Oxygen variability in the eastern tropical North Atlantic oxygen minimum zone [Talk] In: Lamont Doherty Earth Observatory at Columbia University, 11.03.2016, Palisades, NY, USA.

[img]

Brandt, P., Dengler, M., Didwischus, S. H., Fischer, T., Greatbatch, R. J., Hahn, J., Karstensen, J., Körtzinger, A., Krahmann, G., Schmidtko, S., Stramma, L., Tanhua, T. and Visbeck, M. (2015) On the role of circulation and mixing in the ventilation of the oxygen minimum zone of the eastern tropical North Atlantic [Talk] In: RSMAS, 09.03.2015, Miami, Fla., USA.

[img]

Hahn, J., Bittig, H. C., Krahmann, G., Karstensen, J., Brandt, P. and Körtzinger, A. (2014) In situ calibration procedure for Aanderaa optodes with a focus on glider oxygen measurements [Talk] In: 6. EGO Meeting and Final Symposium of the COST Action ES0904, 16.-17.06.2014, Kiel, Germany.

[img]

Hahn, J., Brandt, P., Greatbatch, R. J., Krahmann, G. and Körtzinger, A. (2014) Oxygen Variance and Meridional Oxygen Supply in the Tropical North East Atlantic Oxygen Minimum Zone [Talk] In: Ocean Sciences Meeting 2014, 23.-28.02.2014, Honululu, Hawaii, USA.

[img]

Brandt, P., Bange, H. W., Banyte, D., Dengler, M., Didwischus, S. H., Fischer, T., Greatbatch, R. J., Hahn, J., Kanzow, T., Karstensen, J., Körtzinger, A., Krahmann, G., Schmidtko, S., Stramma, L., Tanhua, T. and Visbeck, M. (2014) On the role of circulation and mixing in the ventilation of the oxygen minimum zone of the eastern tropical North Atlantic [Talk] In: 1. International Conference AWA “Ecosystem approach to the management of fisheries and the marine environment in West African Waters”, 11.12.2014, Dakar, Senegal.

[img]

Hahn, J., Fischer, T., Brandt, P., Greatbatch, R. J., Körtzinger, A., Tanhua, T., Visbeck, M., Banyte, D., Dengler, M. and Krahmann, G. (2014) Oxygen Supply to the Tropical North East Atlantic Oxygen Minimum Zone [Talk] In: SFB754 Colloquium, 08.01.2014, Kiel, Germany.

[img]

Fischer, T., Hahn, J., Brandt, P., Greatbatch, R. J., Körtzinger, A., Tanhua, T., Visbeck, M., Banyte, D., Dengler, M. and Krahmann, G. (2013) Oxygen Supply to the Tropical North East Atlantic Oxygen Minimum Zone [Invited talk] In: IOW Colloquium, 18.11.2013, Rostock, Germany.

[img]

Hahn, J., Brandt, P., Greatbatch, R. J., Krahmann, G. and Körtzinger, A. (2013) Current and Oxygen Variability in the Tropical North East Atlantic [Talk] In: Tropical Atlantic Variability Meeting / PIRATA-18 Meeting , 22. - 25.10.2013, Venice, Italy.


Fiedler, B., Fietzek, P., Bittig, H. C., Hahn, J., Steinhoff, T., Karstensen, J. and Körtzinger, A. (2013) Recent Development on Sensors and Calibrations Approaches at GEOMAR [Invited talk] In: VITALS Workshop, 17.-18.10.2013, Halifax, Canada.

[img]

Brandt, P., Greatbatch, R. J., Claus, M., Didwischus, S. H. and Hahn, J. (2013) Ventilation of the equatorial Atlantic [Talk] In: EGU General Assembly 2013, 07.-12.04.2013, Vienna, Austria.

[img]

Brandt, P., Greatbatch, R. J., Claus, M., Didwischus, S. H. and Hahn, J. (2013) Ventilation of the equatorial Atlantic [Talk] In: 3. Sino-German Symposium "Multidisciplinary Processes in Deep Oceans and Impacts on Climate and Coastal Environment", 03.-06.09.2013, Qingdao, China.

[img]

Brandt, P., Greatbatch, R. J., Claus, M., Didwischus, S. H. and Hahn, J. (2013) Ventilation of the equatorial Atlantic [Talk] In: CLIVAR TAV-PIRATA Meeting, 24.10.2013, Venice, Italy.

[img]

Hahn, J., Brandt, P., Greatbatch, R. J., Krahmann, G. and Körtzinger, A. (2012) O2 variance and meridional O2 supply in the Tropical North East Atlantic [Talk] In: Tropical Atlantic Variability Meeting, PIRATA-17 Meeting , 10.09.-15.09.2012, Kiel.

[img]

Brandt, P., Greatbatch, R. J., Didwischus, S. H., Claus, M., Hahn, J., Hormann, V., Funk, A., Fu, Y. and Dengler, M. (2012) Equatorial deep jets in the Atlantic Ocean [Talk] In: EGU General Assembly 2012, 22.-27.04.2012, Vienna, Austria.

[img]

Brandt, P., Greatbatch, R. J., Didwischus, S. H., Claus, M., Funk, A., Hormann, V., Hahn, J., Fu, Y., Dengler, M. and Toole, J. M. (2012) Ventilation of the Tropical Atlantic by Equatorial Deep Jets [Talk] In: Ocean Sciences Meeting 2012, 20.-24.02.2012, Salt Lake City, USA.

[img]

Karstensen, J., Czeschel, R., Hahn, J., Schlundt, M. and Krahmann, G. (2011) In-situ calibration of Oxygen Optodes in the Southeast Pacific Oxygen Minimum Zone [Talk] In: EGO 2011 - 5th EGO Meeting and Glider School, 14.-18.03.2011, Las Palmas, Gran Canary .


Karstensen, J., Czeschel, R., Hahn, J., Stramma, L. and Krahmann, G. (2011) In-situ calibration of oxygen optodes on gliders and floats: An example from the Southeast Pacific oxygen minimum zone [Talk] In: ARGO Oxygen Meeting, 25.-27.05.2011, Brest, France.

Conference poster


Hahn, J., Schütte, F., Brandt, P. and Frenger, I. (2019) Oxygen depleted eddies at low latitudes in the eastern tropical North Atlantic [Poster] In: EGU General Assembly 2019, 08.-12.04.2019, Vienna, Austria.


Hahn, J., Brandt, P., Karstensen, J. and Körtzinger, A. (2018) Time scales of oxygen variability in the eastern tropical North Atlantic [Poster] In: EGU General Assembly 2018, 08.-13.04.2018, Vienna, Austria.

[img]

Hahn, J., Brandt, P., Karstensen, J. and Körtzinger, A. (2017) Observations of oxygen variability in the eastern tropical North Atlantic [Poster] In: PIRATA 22 - PREFACE - TAV Meeting, 05.-10.11.2017, Fortaleza, Brasil.

[img]

Hahn, J., Brandt, P. and Krahmann, G. (2015) Meso- to submesoscale O2 variability in the oxygen minimum zone of the eastern tropical North Atlantic [Poster] In: EGU General Assembly 2015, 12.–17.04.2015 , Vienna, Austria.

[img]

Hahn, J., Brandt, P., Greatbatch, R. J., Krahmann, G. and Körtzinger, A. (2013) O2 variability and Meridional Oxygen Supply in the Tropical North East Atlantic Oxygen Minimum Zone [Poster] In: EGU General Assembly 2013, 07.-12.04.2013, Vienna, Austria.

[img]

Hahn, J., Brandt, P., Greatbatch, R. J., Körtzinger, A., Krahmann, G. and Funk, A. (2012) O2 variance at intermediate depth in the central tropical Atlantic along 23°W [Poster] In: EGU General Assembly 2012, 22.-27.04.2012, Vienna, Austria.


Bittig, H. C., Fiedler, B., Steinhoff, T., Hahn, J., Boebel, O. and Körtzinger, A. (2012) Oxygen sensor characterization and calibration – Providing the Argo-O2 essentials [Poster] In: 4. Argo Science Workshop, 27.-29.09.2012, Venice, Italy.


Karstensen, J., Fiedler, B., Brandt, P., Körtzinger, A., Zantopp, R. J., Wallace, D. W. R., Krahmann, G., Visbeck, M. and Hahn, J. (2012) Severe dead-zone eddies in the open North Atlantic Ocean [Poster] In: EGU General Assembly 2012, 22.-27.04.2012, Vienna, Austria.


Hahn, J., Brandt, P., Körtzinger, A., Krahmann, G., Karstensen, J., Schlundt, M. and Funk, A. (2011) Mesoscale and finescale oxygen variability at the southern edge of the tropical north east Atlantic Ocean oxygen minimum zone [Poster] In: EUR-OCEANS Conference - Ocean deoxygenation and implications for marine biogeochemical cycles and ecosystems, 24.-26.10.2011, Toulouse, France.

Thesis - not published by a publisher

[img]

Hahn, J. (2013) Oxygen Variability and Eddy-driven Meridional Oxygen Supply in the Tropical North East Atlantic Oxygen Minimum Zone (Doctoral thesis/PhD), Christian-Albrechts-Universität Kiel, Kiel, Germany, 129 pp

Report - Cruise Report

[img]

Sommer, S., Adam, N., Becker, K., Dale, A. W., Hahn, J., Kampmeier, M., Paulsen, M., Katzenmeier, S. and Körtzinger, A. (2020) Role of Eddies in the Carbon Pump of Eastern Boundary Upwelling Systems, REEBUS, Cruise No. M156, 03.07. – 01.08.2019 Mindelo (Cap Verde) – Mindelo Meteor Berichte, M156 . UNSPECIFIED, Bonn. DOI 10.2312/cr_m156.

[img]

Brandt, P., Alevara Martinez, D., Dengler, M., Didwischus, S. H., Funk, A., Hahn, J., Hogue, B., Kemena, T., Kock, A., Krahmann, G., Martens, W., Martogli, N., Müller, M., Niehus, G., Papenburg, U., Pinck, A., Rother, K., Schlundt, M., Schütte, F., Tippenhauer, S., Vogt, M. and Zantopp, R. J. (2012) Physical and Biogeochemical Studies in the Subtropical and Tropical Atlantic Maria S. Merian-Berichte . DFG Senatskommission für Ozeanographie, Hamburg, Germany.

[img]

Brandt, P., Brownell, D., Dengler, M., Didwischus, S. H., Fehsenfeld, S., Fessler, S., Fischer, J., Funk, A., Großkopf, T., Hahn, J., Halm, H., Hormann, V., Koy, U., Krahmann, G., Krupke, A., Melo, V., Müller, M., Niehus, G., Papenburg, U., Pinck, A., Schneider, A., Steinhoff, T., Stöven, T., Truscheit, T., Viera, N., von Neuhoff, H., Wagener, T., Wuttig, K. and Zantopp, R. J. (2011) Circulation and Oxygen Distribution in the Tropical Atlantic Cruise No. 80, Leg 1; October 26 to November 23, 2009 Mindelo (Cape Verde) to Mindelo (Cape Verde) Meteor-Berichte, M80/1 . Leitstelle Deutsche Forschungsschiffe, Inst. f. Meereskunde, Hamburg, Germany. DOI 10.2312/cr_m80_1.

Report - other report

[img]

Berx, B., Cunningham, S., von Appen, W. J., Atamanchuk, D., Brown, P., Fraser, N., Hahn, J., Jochumsen, K., Johnson, C., de Jong, F., Karstensen, J., King, B., Lankhorst, M., Larsen, K. M. H., McDonagh, E., Moritz, M. and Yashayaev, I. (2019) Report on the observational potential of the TMAs AtlantOS Deliverable, D3.18 . AtlantOS. DOI 10.3289/atlantos_d3.18.

[img]

Bourles, B., Brandt, P., Lefevre, N. and Hahn, J. (2018) PIRATA data system upgrade Report AtlantOS Deliverable, D3.9 . AtlantOS. DOI 10.3289/AtlantOS_D3.9.

This list was generated on Thu May 28 21:44:28 2020 CEST.