Items where Author is "Bracher, Astrid"

Group by: Item Type | No Grouping

Jump to: Article | Inbook | Thesis | Conference | "Berichte zur Polar- und Meeresforschung"

Number of items: 138.

Article

Zindler, C. , Bracher, A. , Marandino, C. A. , Taylor, B. , Torrecilla, E. , Kock, A. and Bange, H. W. (2013)
Sulphur compounds, methane and phytoplankton: interactios along a north-south transit in the western Pacific Ocean. ,

Biogeosciences, COPERNICUS GESELLSCHAFT MBH, 10 , pp. 3297-3311 .

doi:10.5194/bg-10-3297-2013 , hdl:10013/epic.41519

Preview

Article

Cherkasheva, A. , Nöthig, E. M. , Bauerfeind, E. , Melsheimer, C. and Bracher, A. (2013)
From the chlorophyll-a in the surface layer to its vertical profile: a Greenland Sea relationship for satellite applications. ,

Ocean Science, COPERNICUS GESELLSCHAFT MBH, 9 (2), pp. 431-445 .

doi:10.5194/os-9-431-2013 , hdl:10013/epic.41331

Preview

Article

Sadeghi, A. , Dinter, T. , Vountas, M. , Taylor, B. , Peeken, I. , Altenburg Soppa, M. and Bracher, A. (2012)
Improvements to the PhytoDOAS method for identification of coccolithophores using hyper-spectral satellite data. O ,

cean Sciences, Copernicus, 8 (6), pp. 1055-1070 .

doi:10.5194/os-8-1055-2012 , hdl:10013/epic.40463

Preview

Article

Cherkasheva, A. , Bracher, A. , Nöthig, E. M. , Bauerfeind, E. and Melsheimer, C. (2012)
From the chlorophyll-a in the surface layer to its vertical profile: a Greenland Sea relationship for satellite applications ,

Ocean Science Discussions, Copernicus Publications, 9 (6), pp. 3567-3591 .

doi:10.5194/osd-9-3567-2012 , hdl:10013/epic.40466

Preview

Article

Zindler, C. , Bracher, A. , Marandino, C. A. , Taylor, B. , Torrecilla, E. , Kock, A. and Bange, H. W. (2012)
Sulphur compounds, methane, and phytoplankton: interactions along a north-south transit in the western Pacific Ocean ,

Biogeosciences Discussion, Copernicus, 9 , pp. 15011-15049 .

doi:10.5194/bgd-9-15011-2012 , hdl:10013/epic.40316

Preview

Article

Sadeghi, A. , Dinter, T. , Vountas, M. , Taylor, B. , Altenburg-Soppa, M. and Bracher, A. (2012)
Remote sensing of coccolithophore blooms in selected oceanic regions using the PhytoDOAS method applied to hyper-spectral satellite data ,

Biogeosciences, COPERNICUS GESELLSCHAFT MBH, 9 (6), pp. 2127-2143 .

doi:10.5194/bg-9-2127-2012 , hdl:10013/epic.39765

Preview

Article

Blum, M. , Rozanov, V. , Burrows, J. and Bracher, A. (2012)
Coupled ocean-atmosphere radiative transfer model in the framework of software package SCIATRAN: Selected comparisons to model and satellite data ,

Advances in Space Research, 49 (12), pp. 1728-1742 .

doi:10.1016/j.asr.2012.02.012 , hdl:10013/epic.39766

Preview

Article

Ye, Y. , Völker, C. , Bracher, A. , Taylor, B. and Wolf-Gladrow, D. (2012)
Environmental controls on N2 fixation by Trichodesmium in the tropical eastern North Atlantic Ocean - A model-based study ,

Deep-Sea Research Part I-Oceanographic Research Papers, PERGAMON-ELSEVIER SCIENCE LTD, 64 , pp. 104-117 .

doi:10.1016/j.dsr.2012.01.004 , hdl:10013/epic.39337

Article

Taylor, M. , Losch, M. and Bracher, A. (2012)
On the drivers of phytoplankton blooms in the Antarctic marginal ice zone: a modeling approach ,

Journal of Geophysical Research .

doi:10.1029/2012JC008418 , hdl:10013/epic.40280

Preview

Article

Taylor, B. B. , Torrecilla, E. , Bernhardt, A. , Taylor, M. , Peeken, I. , Röttgers, R. , Piera, J. and Bracher, A. (2011)
Bio-optical provinces in the eastern Atlantic Ocean and their biogeographical relevance ,

Biogeosciences, COPERNICUS GESELLSCHAFT MBH, 8 , pp. 3609-3629 .

doi:10.5194/bg-8-3609-2011 , hdl:10013/epic.38645

Preview

Article

Sadeghi, A. , Dinter, T. , Vountas, M. , Taylor, B. , Altenburg Soppa, M. and Bracher, A. (2011)
Remote sensing of coccolithophore blooms in selected oceanic regions using the PhytoDOAS method applied to hyper-spectral satellite data. ,

Biogeosciences Discussion , Copernicus, 8 , pp. 11725-11765 .

doi:10.5194/bgd-8-11725-2011 , hdl:10013/epic.38642

Preview

Article

Sadeghi, A. , Dinter, T. , Vountas, M. , Taylor, B. , Peeken, I. and Bracher, A. (2011)
Improvements to PhytoDOAS method for identification of major phytoplankton groups using high spectrally resolved satellite data. ,

Ocean Science, COPERNICUS GESELLSCHAFT MBH, 8 , pp. 2313-2376 .

doi:10.5194/osd-8-2271-2011 , hdl:10013/epic.38640

Article

Rutgers v. d. Loeff, M. , Cai, P. , Stimac, I. , Bracher, A. , Middag, R. , Klunder, M. and Van Heuven, S. (2011)
234Th in surface waters: distribution of particle export flux across the Antarctic Circumpolar Current and in the Weddell Sea during the GEOTRACES expedition ZERO and DRAKE ,

Deep-Sea Research Part II-Topical Studies in Oceanography, PERGAMON-ELSEVIER SCIENCE LTD, 58 , pp. 2749-2766 .

doi:10.1016/j.dsr2.2011.02.004 , hdl:10013/epic.37272

Article

Taylor, B. , Torrecilla, E. , Bernhardt, A. , Taylor, M. , Peeken, I. , Röttgers, R. , Piera, J. and Bracher, A. (2011)
Bio-optical provinces in the eastern Atlantic Ocean and their biogeographical relevance ,

Biogeosciences Discussions, 8 , pp. 7165-7219 .

doi:10.5194/bgd-8-7165-2011 , hdl:10013/epic.37801

Article

Bracher, A. , Vountas, M. , Dinter, T. , Burrows, J. P. , Röttgers, R. and Peeken, I. (2009)
Quantitative observation of cyanobacteria and diatoms from space using PhytoDOAS on SCIAMACHY data ,

Biogeosciences, 6 , pp. 751-764 .

hdl:10013/epic.32621

Preview

Article

Payan, S. , Camy-Peyret, C. , Oelhaf, H. , Wetzel, G. , Maucher, G. , Kleim, C. , Pirre, M. , Huret, N. , Engel, A. , Volk, M. C. , Kuellmann, H. , Kuttippurath, J. , Cortesi, U. , Bianchini, G. , Mencaraglia, F. , Raspollini, P. , Redaelli, G. , Vigouroux, C. , De Maziere, M. , Mikuteit, S. , Blumenstock, T. , Velazco, V. , Notholt, J. , Mahieu, M. , Duchatelet, P. , Smale, D. , Wood, S. , Jones, N. , Piccolo, C. , Payne, V. , Bracher, A. , Glatthor, N. , Stiller, G. , Grunow, K. , Jeseck, P. , Te, Y. and Butz, A. (2009)
Validation and data characteristics of methane and nitrous oxide profiles observed by MIPAS and processed with Version 4.61 algorithm. ,

Atmospheric Chemistry and Physics, 9 , pp. 413-442 .

hdl:10013/epic.28638

Preview

Article

Dupuy, E. , Walker, K. A. , Kar, J. , Boone, C. D. , McElroy, C. T. , Bernath, P. F. , Drummond, J. R. , Skelton, R. , McLeod, S. D. , Hughes, R. C. , Nowlan, C. R. , Dufour, D. G. , Zou, J. , Nichitiu, F. , Strong, K. , Baron, P. , Bevilacqua, R. M. , Blumenstock, T. , Bodeker, G. E. , Borsdorff, T. , Bourassa, A. E. , Bovensmann, H. , Boyd, I. S. , Bracher, A. , Brogniez, C. , Catoire, V. , Ceccherini, S. , Chabrillat, S. , Coffey, M. T. , Cortesi, U. , Davies, J. , De Clercq, C. , Degenstein, D. A. , De Maziere, M. , Demoulin, P. , Dodion, J. , Firanski, B. , Fischer, H. , Forbes, G. , Froidevaux, L. , Fussen, D. , Gerard, P. , Godin-Beekmann, S. , Goutail, F. , Granville, J. , Griffith, D. , Haley, C. S. , Hannigan, J. W. , Höpfner, M. , Jin, J. J. , Jones, A. , Jones, N. B. , Jucks, K. , Kagawa, A. , Kasai, Y. , Kerzenmacher, T. E. , Kleinböhl, A. , Klekociuk, A. R. , Kramer, I. , Küllmann, H. , Kuttippurath, J. , Kyrölä, E. , Lambert, J. C. , Livesey, N. J. , Llewellyn, E. J. , Lloyd, N. D. , Mahieu, E. , Manney, G. L. , Marshall, B. T. , McConnell, J. C. , McCormick, M. P. , McDermid, I. S. , McHugh, M. , McLinden, C. A. , Mellqvist, J. , Mizutani, K. , Murayama, Y. , Murtagh, D. P. , Oelhaf, H. , Parrish, A. , Petelina, S. V. , Piccolo, C. , Pommereau, J. P. , Randall, C. E. , Robert, C. , Roth, C. , Russell III, J. M. , Schneider, M. , Senten, C. , Steck, T. , Strandberg, A. , Strawbridge, K. B. , Sussmann, R. , Swart, D. P. J. , Tarasick, D. W. , Taylor, J. , Tétard, C. , Thomason, L. W. , Thompson, A. M. , Tully, M. B. , Urban, J. , Vanhellemont, F. , von Clarmann, T. , von der Gathen, P. , von Savigny, C. , Waters, J. W. , Witte, J. C. , Wolff, M. M. and Zawodny, J. M. (2009)
Validation of ozone measurements from the Atmospheric Chemistry Experiment (ACE) / Burrows, J. P. and Christensen, T. (editors) ,

Atmospheric Chemistry and Physics, 9 , pp. 287-343 .

hdl:10013/epic.30017

Preview

Article

Bracher, A. (2008)
Detailierter Blick aus dem All Meeresalgen global beobachtet, ,

zfv : Zeitschrift für Geodäsie, Geoinformation und Landmanagement, 133 (4), pp. 254-261 .

hdl:10013/epic.31019

Article

Bracher, A. , Vountas, M. , Dinter, T. , Burrows, J. P. , Röttgers, R. and Peeken, I. (2008)
Quantitative observation of cyanobacteria and diatoms from space using PhytoDOAS on SCIAMACHY data. ,

Biogeosciences Discussion, 5 , pp. 4559-4590 .

hdl:10013/epic.31576

Preview

Article

Amekudzi, L. , Bracher, A. , Bramstedt, K. , Rozanov, A. , Bovensmann, H. and Burrows, J. P. (2008)
Towards validation of SCIAMACHY lunar occultation NO2 vertical profiles. ,

Advances in Space Research, 41 , pp. 1921-1932 .

doi:10.1016/j.asr.2007.06.055 , hdl:10013/epic.29995

Article

Cortesi, U. , Lambert, J. C. , De Clercq, C. , Bianchini, G. , Blumenstock, T. , Bracher, A. , Castelli, E. , Catoire, V. , Chance, K. V. , De Maziere, M. , Demoulin, P. , Godin-Beekman, S. , Jones, N. , Jucks, K. , Keim, C. , Kerzenmacher, T. , Kuellmann, H. , Kuttippurath, J. , Iarlori, M. , Liu, Y. , McDermid, I. S. , Meijer, Y. , Mencaraglia, F. , Oelhaf, H. , Piccolo, C. , Pirre, M. , Raspollini, P. , Ravegnani, F. , Reburn, W. J. , Redaelli, G. , Sembhi, H. , Smale, D. , Steck, T. , Taddei, A. , Varotsos, K. , Vigouroux, C. , Waterfall, A. , Wetzel, G. and Wood, S. (2007)
Geophysical validation of MIPAS-ENVISAT operational ozone data. ,

Atmospheric Chemistry and Physics, 7 , pp. 4807-4867 .

hdl:10013/epic.27720

Article

Vountas, M. , Dinter, T. , Bracher, A. , Burrows, J. P. and Sierk, B. (2007)
Spectral Studies of Ocean Water with Space-borne Sensor SCIAMACHY using Differential Optical Absorption Spectroscopy (DOAS). ,

Ocean Science, 3 , pp. 429-440 .

hdl:10013/epic.27758

Article

Wetzel, G. , Bracher, A. , Funke, B. , Goutail, F. , Hendrick, F. , Lambert, J. C. , Mikuteit, S. , Piccolo, C. , Pirre, M. , Bazureau, A. , Belotti, C. , Blumenstock, T. , De Maziere, M. , Fischer, H. , Huret, N. , Ionov, D. , Lopez-Puertas, M. , Maucher, G. , Oelhaf, H. , Ruhnke, R. , Sinnhuber, M. , Stiller, G. , Van Roozendael, M. and Zhang, G. (2007)
Wetzel G., Bracher A., Funke B., Goutail F., Hendrick F., Lambert J.-C., Mikuteit S., Piccolo C., Pirre M., Bazureau A., Belotti C., Blumenstock T., De Maziere M., Fischer H., Huret N., Ionov D., Lopez-Puertas M., Maucher G., Oelhaf H., Ruhnke R., Sinnhuber M., Stiller G., Van Roozendael M. and Zhang G. Validation of MIPAS-ENVISAT NO2 operational data. ,

Atmospheric Chemistry and Physics, 7 , pp. 3261-3284 .

hdl:10013/epic.27639

Article

Brinksma, E. J. , Bracher, A. , Lolkema, D. E. , Segers, A. J. , Boyd, I. S. , Bramstedt, K. , Claude, H. , Godin-Beekmann, S. , Hansen, G. , Koop, G. , Leblanc, T. , McDermid, I. S. , Meijer, Y. J. , Nakane, H. , Parrish, A. , von Savigny, C. , Swart, D. P. J. , Taha, G. and Piters, A. J. M. (2006)
Geophysical Validation of SCIAMACHY Limb Ozone Profiles. ,

Atmospheric Chemistry and Physics, 6 , pp. 197-209 .

hdl:10013/epic.27635

Article

Rohen, G. , von Savigny, C. , Llewellyn, E. J. , Kaiser, J. , Eichmann, K. U. , Bracher, A. , Bovensmann, H. and Burrows, J. P. (2006)
Upper stratospheric / lower mesopheric ozone retrieved from SCIAMACHY limb spectra: theory, first validation and ozone depletion at the solar proton event in Oct./Nov. 2003. ,

Advances in Space Research, 37 (12), pp. 2263-2268 .

hdl:10013/epic.27637

Article

Bracher, A. , Bovensmann, H. , Bramstedt, K. , Burrows, J. P. , von Clarmann, T. , Eichmann, K. U. , Fischer, H. , Funke, B. , Gil-Lopez, G. , Glatthor, N. , Grabowski, U. , Höpfner, M. , Kaufmann, M. , Kellmann, S. , Kiefer, M. , Koukouli, M. E. , Linden, A. , Lopez-Puertas, M. , Mengistu-Tsidu, G. , Milz, M. , Noel, S. , Rohen, G. , Rozanov, A. , Rozanov, V. V. , von Savigny, C. , Sinnhuber, M. , Skupin, J. , Steck, T. , Stiller, G. P. , Wang, D. Y. , Weber, M. and Wuttke, M. W. (2005)
Cross comparisons of O3 and NO2 measured by the atmospheric ENVISAT instruments GOMOS, MIPAS, and SCIAMACHY ,

Adv. Space Res., 36 (5), 855-867, 36 (5), pp. 855-867 .

doi:10.1016/j.asr.2005.04.005 , hdl:10013/epic.37032

Preview

Article

Bracher, A. , Bovensmann, H. , Bramstedt, K. , Burrows, J. P. , von Clarmann, T. , Eichmann, K. U. , Fischer, H. and Funke, B. (2005)
Cross comparisons of O3 and NO2 profiles measured by the atmospheric ENVISAT instruments GOMOS, MIPAS, and SCIAMACHY. ,

Advances in Space Research, 36 (5), pp. 855-867 .

doi:10.1016/j.asr.2005.04.005 , hdl:10013/epic.27628

Article

Bracher, A. , Lamsal, L. , Weber, M. , Bramstedt, K. , Coldewey-Egbers, M. and Burrows, J. P. (2005)
Global satellite validation of SCIAMACHY O3 columns with GOME WFDOAS. ,

Atmospheric Chemistry and Physics, 5 , pp. 2357-2368 .

hdl:10013/epic.27626

Article

Amekudzi, L. K. , Bracher, A. , Meyer, J. , Rozanov, A. , Bovensmann, H. and Burrows, J. P. (2005)
Lunar occultation with SCIAMACHY: First retrieval results. ,

Advances in Space Research, 36 (5), pp. 906-914 .

hdl:10013/epic.27631

Article

Rozanov, A. , Bovensmann, H. , Bracher, A. , Hrechanyy, S. , Rozanov, V. , Sinnhuber, M. , Stroh, F. and Burrows, J. P. (2005)
NO2 and BrO vertical profile retrieval from SCIAMACHY limb measurements: sensitivity studies. ,

Advances in Space Research, 36 (5), pp. 846-854 .

hdl:10013/epic.27638

Article

Meyer, J. , Bracher, A. , Rozanov, A. , Schlesier, A. C. , Bovensmann, H. and Burrows, J. P. (2005)
Solar occultation with SCIAMACHY: algorithm description and first validation. ,

Atmospheric Chemistry and Physics, 5 , pp. 1589-1604 .

hdl:10013/epic.27636

Article

Bracher, A. , Sinnhuber, M. , Rozanov, A. and Burrows, J. P. (2005)
Using a photochemical model for the validation of NO2 satellite measurements at different solar zenith angles. ,

Atmospheric Chemistry and Physics, 5 , pp. 393-408 .

hdl:10013/epic.27625

Article

Bracher, A. , Weber, M. , Bramstedt, K. , Tellmann, S. and Burrows, J. P. (2004)
Long-term global measurements of ozone profiles by GOME validated with SAGE II considering atmospheric dynamics. ,

Journal of Geophysical Research,109,d20308. .

doi:10.1029/2004JD004677 , hdl:10013/epic.27624

Article

Bramstedt, K. , Gleason, J. , Loyola, D. , Thomas, W. , Bracher, A. , Weber, M. and Burrows, J. P. (2003)
Comparison of total ozone from the satellite instruments GOME and TOMS with measurements from the Dobson network 1996-2000. ,

Atmospheric Chemistry and Physics, 3 , pp. 1409-1419 .

hdl:10013/epic.27633

Article

Strass, V. , Naveira Garabato, A. C. , Bracher, A. , Pollard, R. T. and Lucas, M. I. (2002)
A 3-D mesoscale map of primary production at the Antarctic Polar Front: results of a diagnostic model ,

Deep-Sea Research II, 49 (18), pp. 3813-3834 .

doi:10.1016/S0967-0645(02)00112-1 , hdl:10013/epic.13638

Article

Tremblay, J. E. , Lucas, M. I. , Kattner, G. , Pollard, R. , Bathmann, U. , Strass, V. and Bracher, A. (2002)
Significance of the Polar Frontal Zone for large-sized diatoms and new production during summer in the Atlantic Sector of the Southern Ocean. ,

Deep-Sea Research II, 49 (18), pp. 3793-3811 .

doi:10.1016/S0967-0645(02)00111-X , hdl:10013/epic.15549

Article

Bracher, A. and Tilzer, M. M. (2001)
Underwater light field and phytoplankton absorbance in different surface water masses of the Atlantic Sector of the Southern Ocean ,

Polar Biology, 24 (9), pp. 687-696 .

doi:10.1007/s003000100269 , hdl:10013/epic.15561

Article

Bracher, A. and Wiencke, C. (2000)
Simulation of the effects of naturally enhanced UV-radiation on photosynthesis of Antarctic phytoplankton ,

Marine ecology-progress series, Volume 196, S., pp. 127-141 .

hdl:10013/epic.11024

Preview

Article

Bracher, A. , Kroon, B. M. A. and Lucas, M. I. (1999)
Primary production, physiological state and composition of phytoplankton in the Atlantic sector ot the Southern Ocean ,

Marine Ecology-Progress Series , 190 , pp. 1-16 .

hdl:10013/epic.16332

Preview

Article

Bracher, A. and Tilzer, M. M. (1998)
Underwater lightfield and phytoplankton absorbance in the Southern Ocean during early summer 1995/1996 ,

EOS, 79 .

hdl:10013/epic.11023

Article

Brett, M. T. , Goldman, C. R. , Lubnow, F. S. , Bracher, A. , Brandt, D. , Brandt, O. and Müller-Solger, A. (1995)
Impact of a major soil fumigant spill on the planktonic ecosystem of Shasta Lake California. ,

Canadian Journal of Fisheries and Aquatic Sciences, 52 (6), pp. 1247-1256 .

doi:10.1139/f95-121 , hdl:10013/epic.27634

Inbook

Blum, M. , Rozanov, V. , Dinter, T. , Burrows, J. P. and Bracher, A. (2012)
Evaluation of the coupled and extended SCIATRAN version including radiation processes within the water: intial results. / Lohmann, G. , Grosfeld, K. , Wolf-Gladrow, D. , Unnithan, V. , Notholt, J. and Wegner, A. (editors) ,

In: Earth System Science: Bridging the Gaps between Disciplines Perspectives from a Multi-disciplinary Helmholtz Graduate Research School, Series: SpringerBriefs in Earth System Sciences, Heidelberg, Springer, 138 p., ISBN: 978-3-642-32235-8 .

doi:10.1007/978-3-642-32235-8 , hdl:10013/epic.40441

Inbook

Sadeghi, A. , Dinter, T. , Vountas, M. , Taylor, B. and Bracher, A. (2012)
Improving the PhytoDOAS method to retrieve coccolithophores using hyper-spectral satellite data. / Lohmann, G. , Grosfeld, K. , Wolf-Gladrow, D. , Unnithan, V. , Notholt, J. and Wegner, A. (editors) ,

In: arth System Science: Bridging the Gaps between Disciplines Perspectives from a Multi-disciplinary Helmholtz Graduate Research School, Series: SpringerBriefs in Earth System Sciences, Heidelberg, Springer, 138 p., ISBN: 978-3-642-32235-8 .

doi:10.1007/978-3-642-32235-8 , hdl:10013/epic.40464

Inbook

Bracher, A. (2012)
Phytooptics. / von Savigny, C. (editor) ,

In: IUP Research Highlights., IUP Research Highlights., Bremen, Institute of Environmental Physics (IUP), Institute of Remote Sensing (IFE), University Bremen, 47 p. .

hdl:10013/epic.39984

Preview

Inbook

Bovensmann, H. , Aben, I. , Van Roozendael, M. , Kühl, S. , Gottwald, M. , von Savigny, C. , Buchwitz, M. , Richter, A. , Frankenberg, C. , Stammes, P. , de Graaf, M. , Wittrock, F. , Sinnhuber, M. , Sinnhuber, B. M. , Schönhardt, A. , Beirle, S. , Gloudemans, A. , Schrjiver, H. , Bracher, A. , Rozanov, A. , Weber, M. and Burrows, J. P. (2011)
Chapter 10: SCIAMACHY's View of the Changing Earth's Environment. ,

SCIAMACHY - Exploring the Changing Earths Atmosphere / edited by Manfred Gottwald, Heinrich Bovensmann Dordrecht : Springer Science+Business Media B.V, ISBN: 978-90-481-9895-5 .

doi:10.1007/978-90-481-9896-2 , hdl:10013/epic.36515

Inbook

Bracher, A. (2010)
Bracher A. (2010) Detaillierter Blick aus dem All Meeresalgen global betrachtetet. ,

100 x Wissen um 11, M. Santos, G. Wefer (eds.), Haus der Wissenschaft, Heft 6, 81 p. .

hdl:10013/epic.36537

Preview

Inbook

Bracher, A. , Dinter, T. , Peeken, I. and Taylor, B. (2010)
Meeresalgen global detaillierter Blick aus dem All. ,

Zweijahresbericht 2008/09 Alfred-Wegener-Institut für Polar- und Meeresforschung in der Helmholtz-Gemeinschaft, Chapter 2: Ausgewählte Forschungsthemen, pages 32-35 or: Research Highlights 2010 Alfred-Wegener-Institut für Polar- und Meeresforschung in der .

hdl:10013/epic.36147

Thesis

Thesis -PhD

Bracher, A. (1999)
Photoacclimation of phytoplankton in different biogeochemical provinces of the Southern Ocean and its significance for estimating primary production. ,

PhD thesis, University Bremen.

hdl:10013/epic.27627

Conference

Conference -Poster

Bracher, A. , Dinter, T. , Sadeghi, A. , Soppa, M. , Hirata, T. , Burrows, J. P. , Rozanov, V. V. and Vountas, M. (2013)
Ocean color products from hyperspectral satellite sensor SCIAMACHY using PhytoDOAS and the radiative transfer model SCIATRAN. ,

International Ocean Color Science (IOCS), Darmstadt, 6 May 2013 - 8 May 2013 .

hdl:10013/epic.41522

Conference -Invited talk

Bracher, A. (2013)
Report of Splinter Session 10 “Phytoplankton Community Structure from Ocean Colour: Methods, Validation, Intercomparisons and Applications” ,

International Ocean Color Science (IOCS), Darmstadt, 6 May 2013 - 8 May 2013 .

hdl:10013/epic.41521

Preview

Conference -Invited talk

Bracher, A. and Hardman-Mountford, N. (2013)
Overview on algorithms to derive phytoplankton community structure from satellite ocean colour ,

Splinter Session 10 “Phytoplankton Community Structure from Ocean Colour: Methods, Validation, Intercomparisons and Applications”, International Ocean Color Science (IOCS) Meeting, Darmstadt, 7 May 2013 - 7 May 2013 .

hdl:10013/epic.41520

Preview

Conference -Talk

Bracher, A. , Dinter, T. , Wolanin, A. , Sadeghi, A. , Altenburg Soppa, M. , Taylor, B. , Rozanov, V. , Vountas, M. , Röttgers, R. and Peeken, I. (2013)
Ocean color products from hyperspectral satellite data ,

3rd EOS Topial Meeting on Blue Photonics – Optics in the Sea (Blue Photonics 3), Royal Netherlands Institute for Sea Research (NIOZ), Texel (NL), 18 March 2013 - 20 March 2013 .

hdl:10013/epic.41342

Conference -Talk

Cheah, W. , Taylor, B. , Dinter, T. , Raimund, S. , Quack, B. and Bracher, A. (2012)
Community structure and optical properties of phytoplankton during SHIVA-Sonne expedition: From in-situ and satellite ,

South China Sea Conference 2012, Kuala Lumpur, Malaysia, 22 October 2012 - 26 October 2012 .

hdl:10013/epic.40319

Conference -Talk

Bracher, A. , Dinter, T. , Sadeghi, A. , Wolanin, A. , Altenburg Soppa, M. , Taylor, B. , Rozanov, V. , Vountas, M. , Röttgers, R. and Peeken, I. (2012)
Ocean color products from hyperspectral satellite sensor SCIAMACHY compared to products from the multispectral sensors MERIS, MODIS and SeaWiFS. ,

Sentinel-3 OLCI/SLSTR & MERIS/(A)ATSR Workshop, ESA-ESRIN, Frascati, Italy, 15 October 2012 - 19 October 2012 .

hdl:10013/epic.40318

Conference -Poster

Bracher, A. , Sadeghi, A. , Dinter, T. , Altenburg Soppa, M. , Peeken, I. , Rozanov, V. , Taylor, B. and Vountas, M. (2012)
Intercomparison of ocean color products identifying coccolithophore blooms on global and regional scales. ,

Ocean Optics XXI, Glasgow, United Kingdom, 7 October 2012 - 12 October 2012 .

hdl:10013/epic.40317

Preview

Conference -Poster

Soppa, M. , Dinter, T. and Bracher, A. (2012)
Evaluation of SeaWiFS- and GlobColour-derived euphotic depth in the Southern Ocean ,

Ocean Optics 2012 .

hdl:10013/epic.40460

Conference -Poster

Wolanin, A. , Dinter, T. , Rozanov, V. and Bracher, A. (2012)
Application of coupled ocean-atmospheric RTM SCIATRAN to retrieve chlorophyll and CDOM fluorescence from space: first results ,

International Radiation Symposium , Dahlem Cube, Berlin, 6 August 2012 - 10 August 2012 .

hdl:10013/epic.40465

Preview

Conference -Poster

Dinter, T. , Rozanov, V. , Sadeghi, A. , Wolanin, A. , Taylor, B. and Bracher, A. (2012)
Retrieval of oceanic phytoplankton with a combined Phytodoas-RTM method utilizing hyper spectral satellite measurements ,

44th International Liège Colloquium On Ocean Dynamics, Liège, Belgium, 7 May 2012 - 11 May 2012 .

hdl:10013/epic.40101

Preview

Conference -Talk

Nöthig, E. M. , Bauerfeind, E. , Haas, A. , Boetius, A. , Bracher, A. , Cherkasheva, A. , Kraft, A. , Metfies, K. , Peeken, I. and Schwarz, J. N. (2012)
Variability of chlorophyll a distribution in the Fram Strait, Greenland Sea and Central Arctic Ocean ,

IPY 2012 Conference: From Knowledge to Action , Montreal, Canada, 23 April 2012 - 27 April 2012 .

hdl:10013/epic.39192

Conference -Poster

Cherkasheva, A. , Bracher, A. , Nöthig, E. M. and Bauerfeind, E. (2012)
Chlorophyll-a data as the main input parameter to the primary production models: case study for the Greenland Sea ,

Oceans of Change 2nd ICES/PICES Conference for Early Career Scientists, Majorca Island, Spain , 24 April 2012 - 27 April 2012 .

hdl:10013/epic.40315

Preview

Conference -Talk

Quack, B. , Atlas, E. , Shi, Q. , Hepach, H. , Raimund, S. , Kinzel, J. , Leedham, E. , Fuhlbrügge, S. , Wiegmann, S. , Cheah, W. , Wittke, F. , Robinson, A. , Harris, N. , Kreher, K. , Sturges, W. T. , Bracher, A. and Wallace, D. (2012)
Halocarbon distributions and emissions in the western tropical Pacific during the SHIVA SONNE expedition in November 2011 ,

European Geosciences Union General Assembly, Vienna, Austria, 22 April 2012 - 27 April 2012 .

hdl:10013/epic.40320

Conference -Talk

Bracher, A. , Dinter, T. , Taylor, B. , Altenburg Soppa, M. , Burrows, J. P. , Rozanov, V. and Vountas, M. (2012)
Retrieval of phytoplankton groups by synergistic use of information from multi- and hyperspectral Sentinel sensors. ,

EGU General Assembly 2012, Vienna, 23 April 2012 - 27 April 2012 .

hdl:10013/epic.39983

Conference -Poster

Taylor, M. , Losch, M. and Bracher, A. (2012)
On the drivers of phytoplankton blooms in the Antarctic seasonal ice zone: A GCM approach ,

Ocean Sciences Meeting, Salt Lake City, Utah, U.S.A., 20 February 2012 - 24 February 2012 .

hdl:10013/epic.38936

Preview

Conference -Talk

Bracher, A. , Sadeghi, A. , Dinter, T. , Taylor, B. , Vountas, M. , Röttgers, R. and Peeken, I. (2011)
47. Bracher A., , Sadeghi A., Dinter T., Taylor B., Vountas M., Röttgers R., Peeken I. (2011) The PhytoDOAS technique to retrieve phytoplankton groups from hyperspectral satellite data. ,

Satellite PFT Algorithm Intercomparison Workshop, Hokkaido University, Sapporo, Japan .

hdl:10013/epic.38639

Preview

Conference -Invited talk

Bracher, A. , Sadeghi, A. , Dinter, T. , Taylor, B. , Vountas, M. , Röttgers, R. and Peeken, I. (2011)
14. Bracher A., , Sadeghi A., Dinter T., Taylor B., Vountas M., Röttgers R., Peeken I. (2011) Global quantitative observation of various phytoplankton groups from space by analysis of hyperspectral satellite data. ,

Earth System Science Seminar, Hokkaido University, Sapporo, Japan .

hdl:10013/epic.38638

Conference -Talk

Bracher, A. , Dinter, T. , Taylor, B. and Sadeghi, A. (2011)
Global Assessment of phytoplankton groups from satellite data using PhytoDOAS. ,

Marine Resources and Beyond - BluePhotonics2, IMARE, Bremerhaven, Germany, 5 September 2011 - 7 September 2011 .

hdl:10013/epic.38643

Conference -Talk

Altenburg Soppa, M. and Bracher, A. (2011)
Euphotic depth in the Southern Ocean: an evaluation of remote sensing derived products ,

YOUMARES 2.0 .

hdl:10013/epic.40440

Conference -Poster

Taylor, B. , Torrecilla, E. , Bernhardt, A. , Röttgers, R. and Bracher, A. (2011)
Characterization of phytoplankton communities by optical properties in the Atlantic Ocean ,

EGU General Assembly 2011, Vienna, Austria. .

hdl:10013/epic.37800

Conference -Poster

Ye, Y. , Völker, C. , Bracher, A. , Taylor, B. and Wolf-Gladrow, D. (2011)
Environmental controls on N2 fixation by Trichodesmium in the tropical eastern North Atlantic ,

4th SOPRAN Annual Meeting, 22-23 March 2011, Heidelberg, Germany. .

hdl:10013/epic.37493

Preview

Conference -Conference paper

Bracher, A. , Dinter, T. , Taylor, B. , Sadeghi, A. and Torrecilla, E. (2011)
In-situ und Satelliten Phytoplankton-Messugen im West-Pazifik. ,

Proceedings BMBF Statusseminar Meeresforschung mit FS Sonne, Bundesanstalt für Geowissenschaften und Rohstoffe (BGR), HannoverFeb 2011. .

hdl:10013/epic.37955

Preview

Conference -Poster

Bracher, A. , Dinter, T. , Taylor, B. , Sadeghi, A. and Torrecilla, E. (2011)
In-situ und Satelliten Phytoplankton-Messugen im West-Pazifik. ,

BMBF Statusseminar Meeresforschung mit FS Sonne, Hannover, 9-10 Feb 2011, ed: Forschungszentrum Jülich, Projektträger Jülich - Bereich MGS, p .

hdl:10013/epic.37958

Conference -Poster

Cherkasheva, A. , Bracher, A. , Melsheimer, C. , Köberle, C. , Gerdes, R. , Nöthig, E. M. , Bauerfeind, E. and Boetius, A. (2011)
Influence of surface water stratification on phytoplankton blooms in the Arctic: a case study at Fram Strait ,

ICES/NAFO Symposium on the Variability of the North Atlantic and its Marine Ecosystems during 2000-2009. 10-12 May 2011, Santander, Spain. .

hdl:10013/epic.37650

Preview

Conference -Talk

Bracher, A. , Dinter, T. , Taylor, B. , Sadeghi, A. , Quack, B. and Torrecilla, E. (2011)
Phytoplankton composition and distribution in the Western Pacific: Insight on temporal and spatial dynamics from in-situ and satellite data ,

EGU General Assembly 2011, ViennaApr 2011. .

hdl:10013/epic.37957

Conference -Poster

Altenburg Soppa, M. , Bracher, A. , Peeken, I. and Taylor, B. (2011)
Phytoplankton size-classes in the Southern Ocean: a remote sensing approach ,

EGU General Assembly 2011, Vienna, Austria.. .

hdl:10013/epic.37695

Conference -Poster

Peeken, I. , Nöthig, E. M. , Bauerfeind, E. , Bracher, A. , Cherkasheva, A. , Engel, A. , Gäbler-Schwarz, S. , Kilias, E. , Kraft, A. , Metfies, K. , Niehoff, B. , Pfaff, S. and Wurst, M. (2011)
Plankton Ecology and Biogeochemistry in a Changing Arctic Ocean (PEBCAO), first results from the AWI HAUSGARTEN area (Fram Strait) ,

Arctic Frontiers Arctic Tipping Points. Tromsø, NorwayJanuary 2011. .

hdl:10013/epic.36723

Conference -Poster

Bracher, A. , Sadeghi, A. , Altenburg Soppa, M. , Dinter, T. , Vountas, M. and Taylor, B. (2011)
Proposal for using OLCI/sentinel-3 data for retrieving different phytoplankton groups from space by including information obtained via PhytoDOAS products retrieved from SCIAMACHY and sentinel-5 precursor (TROPOMI). ,

Sen4Sci, ESA-ESRIN, FrascatiMar 2011. .

hdl:10013/epic.37959

Conference -Conference paper

Sadeghi, A. , Dinter, T. , Taylor, B. , Vountas, M. , Blum, M. and Bracher, A. (2011)
Remote sensing of coccolithophore blooms in selected oceanic regions using PhytoDOAS method applied to hyper-spectral SCIAMACHY data. ,

Proceedings of the EARSeL 7th SIG-Imaging Spectroscopy Workshop, EdinburghApr 2011. .

hdl:10013/epic.37956

Preview

Conference -Talk

EARSeL 7th SIG-Imaging Spectroscopy Workshop, EdinburghApr 2011. .

hdl:10013/epic.37962

Conference -Poster

Sadeghi, A. , Dinter, T. , Vountas, M. and Bracher, A. (2011)
Remote sensing of coccolithophore blooms in selected oceanic regions using PhytoDOAS method applied to hyper-spectral satellite data. ,

EGU General Assembly 2011, ViennaApr 2011. .

hdl:10013/epic.37961

Conference -Poster

Dinter, T. , Sadeghi, A. , Taylor, B. , Vountas, M. , Blum, M. and Bracher, A. (2011)
Retrieval of oceanic components with Phytodoas by using hyper spectral satellite measurements. ,

EARSeL 7th SIG-Imaging Spectroscopy Workshop, EdinburghApr 2011. .

hdl:10013/epic.37960

Conference -Conference paper

Torrecilla, E. , Piera, J. , Bracher, A. , Taylor, B. and Bernhardt, A. (2011)
Spectral range sensitivity analysis to improve hyperspectral remote sensing of phytoplankton biodiversity in the ocean ,

IEEE Third Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing, WHIPSERS11, Lisbon, Portugal .

hdl:10013/epic.38098

Conference -Poster

Nöthig, E. M. , Bauerfeind, E. , Haas, A. , Bracher, A. , Cherkasheva, A. , Kraft, A. , Peeken, I. , Metfies, K. and Schwarz, J. N. (2011)
Variability of chlorophyll a distribution in the Fram Strait and the Greenland Sea ,

ICES/NAFO Symposium on the variability of the North Atlantic and its marine ecyosystems during 2000-2009, 10-12.05.2011, Santander, Spain.. .

hdl:10013/epic.37872

Conference -Poster

Cherkasheva, A. , Bracher, A. and Melsheimer, C. (2010)
Arctic marine primary production in respect to changes in sea ice cover ,

Oceans From Space Symposium, Venice (Italy), April 26-30 .

hdl:10013/epic.36458

Preview

Conference -Conference paper

Cherkasheva, A. , Bracher, A. and Melsheimer, C. (2010)
Arctic marine primary production with respect to changes in sea ice cover. ,

Proceedings Oceans from Space Venice (Italy), 26-30 April 2010 / by V. Barale, J.F.R. Gower, L. Alberotanza, ed.s Publication Office of the European Union,UR 24324 EN .

doi:10.2788/8394 , hdl:10013/epic.35869

Preview

Conference -Conference paper

Bernhardt, A. , Taylor, B. , Torrecilla, E. and Bracher, A. (2010)
BIO-OPTICAL MEASUREMENTS IN ATLANTIC OPEN OCEAN WATERS FOR SATELLITE VALIDATION ,

Proceedings of Ocean Optics Conference XX, Anchorage, Alaska .

hdl:10013/epic.36073

Preview

Conference -Poster

Bernhardt, A. , Taylor, B. , Torrecilla, E. , Piera, J. and Bracher, A. (2010)
BIO-OPTICAL MEASUREMENTS IN ATLANTIC OPEN OCEAN WATERS FOR SATELLITE VALIDATION ,

Ocean Optics Conference XX, Anchorage, AlaskaSep 2010. .

hdl:10013/epic.36145

Conference -Talk

Cherkasheva, A. and Bracher, A. (2010)
Chlorophyll-a and sea ice satellite data analysis. Case study for the Hausgarten region ,

AWI Pol Biol Oz SeminarNovember 2010. .

hdl:10013/epic.36461

Conference -Talk

Peeken, I. , Sauter, E. , Sachs, O. , Schlüter, M. , Schwarz, J. N. , Assmy, P. , Bracher, A. and Bathmann, U. (2010)
Deep export of organic matter to the seafloor of the Southern Ocean - New insights into spatial variability and seasonal dynamics ,

International Polar Year Oslo Science Conference, 8-12 June 2010, Oslo. .

hdl:10013/epic.35693

Conference -Poster

Blum, M. , Rozanov, V. , Dinter, T. , Burrows, J. P. and Bracher, A. (2010)
Evaluation of the coupled atmospheric-ocean radiative transfer model SCIATRAN model employing in-situ and satellite remote sensing measurements. ,

Ocean Optics XX, 29 Sep 2010, Captain Cook Conference Center, Anchorage, Alaska, U.S.A. .

hdl:10013/epic.36143

Conference -Conference paper

Proceedings of the Ocean Optics XX, Anchorage, Alaska, U.S.A. .

hdl:10013/epic.36144

Preview

Conference -Poster

Dinter, T. , Sadeghi, A. , Vountas, M. , Blum, M. , Taylor, B. and Bracher, A. (2010)
Exploiting Hyper Spectral Satellite Measurements to Deduce Oceanic Components using Phytodoas. ,

ESA Living Planet Symposium, 28 Jun 2 Jul 2010, Bergen, Norway. .

hdl:10013/epic.36359

Conference -Talk

Blum, M. , Rozanov, V. , Burrows, J. P. and Bracher, A. (2010)
Extension of SCIATRAN by coupling atmospheric oceanic radiative transfer: First results of comparisons for in-situ and satellite data. ,

COSPAR 38th COSPAR Scientific Assembly, Bremen, GermanyJuly 2010. .

hdl:10013/epic.36141

Conference -Invited talk

Bracher, A. , Dinter, T. , Taylor, B. , Vountas, M. , Sadeghi, A. , Roettgers, R. and Peeken, I. (2010)
Global quantitative observation of phytoplankton groups from space using PhyoDOAS on SCIAMACHY data ,

COCOS Workshop on Combining water column data with sediment trap and satellite observations for improved marine carbon export estimates (organizers C. Heinze and R. Schlitzer), 23 Jun 2010, Geophysics Institute, Bergen, Norway. .

hdl:10013/epic.35868

Conference -Conference paper

Bracher, A. , Dinter, T. , Taylor, B. , Sadeghi, A. , Peeken, I. , Roettgers, R. , Vountas, M. and Ye, Y. (2010)
Global yearly observation of different phytoplankton groups using PhytoDOAS on SCIAMACHY data: validation and first application. ,

Proceedings of the ESA Living Planet Symposium, 28 Jun 2 Jul 2010, Bergen, Norway, 3 p. (ESA Publications Division, Nordwijk, The Netherlands ; SP-686) .

hdl:10013/epic.35866

Preview

Conference -Talk

Bracher, A. , Dinter, T. , Taylor, B. , Peeken, I. , Röttgers, R. , Sadeghi, A. , Vountas, M. and Ye, Y. (2010)
Global yearly observation of phytoplanakton groups using PhytoDOAS on SCIAMACHY data: validation and first application ,

Talk: ESA Living Planet Symposium, 29 Jun 2010, Bergen, Norway. .

hdl:10013/epic.35871

Conference -Talk

Quack, B. , Atlas, E. , Bracher, A. , Dinter, T. , Wallache, S. , Wallace, D. and Krüger, K. (2010)
Halocarbon sources in the Western Pacific ,

7th EGU General Assembly 2010, 5 May 2010, Vienna, Austria. .

hdl:10013/epic.36148

Conference -Talk

Sadeghi, A. , Dinter, T. , Vountas, M. , Taylor, B. and Bracher, A. (2010)
Improvements to PhytoDOAS method for identification of major phytoplankton groups using high spectrally resolved data. ,

COSPAR 38th COSPAR Scientific Assembly, Bremen, GermanyJuly 2010. .

hdl:10013/epic.36142

Conference -Conference paper

Blum, M. , Rozanov, V. , Dinter, T. and Bracher, A. (2010)
Initial results for the coupled and extended SCIATRAN version including radiation processes in the water.http://www.ichmt.org/rad-10/images/abstracts/blum.pdf ,

In: Book of Abstracts RAD-10 6th International Symposium on Radiative Transfer, 13-19 June 2010, Antalya, Turkey B. W. Webb, D. Lemonnier (eds.), Begell House Inc., http://www.ichmt.org/rad-10/images/abstracts/blum.pdf. .

hdl:10013/epic.36140

Preview

Conference -Talk

Boetius, A. , Jacob, M. , Bienhold, C. , Bergmann, M. , Bracher, A. , Nöthig, E. M. , Ramette, A. , Schewe, I. , Soltwedel, T. and Klages, M. (2010)
Observing microbial biodiversity shifts related to Climate Change in the Arctic Ocean ,

ASLO Aquatic Sciences Meeting, San Juan, Puerto Rico.-18.02.2011. .

hdl:10013/epic.36131

Conference -Talk

Strass, V. , Leach, H. , Neill, C. , Brown, K. , Herrmann, S. , Bracher, A. , Cisewski, B. , van Franeker, J. , Peeken, I. , Bathmann, U. and Bellerby, R. (2010)
Physical control and carbon budget of an ice-edge phytoplankton bloom in the eastern Weddell Gyre in austral summer 2007/08 ,

International Polar Year - Oslo Science Conference, Norway, June 2010.. .

hdl:10013/epic.35386

Conference -Talk

Bracher, A. , Sadeghi, A. , Dinter, T. , Taylor, B. , Röttgers, R. , Peeken, I. , Vountas, M. and Ye, Y. (2010)
Phytoplankton groups from space using PhytoDOAS: Improvements by multi-target fitting, yearly data set, preliminary validation and first application. ,

Ocean Optics XX, 30 Sep 2010, Captain Cook Conference Center, Anchorage, Alaska, U.S.A. .

hdl:10013/epic.36138

Conference -Conference paper

Bracher, A. , Dinter, T. , Sadeghi, A. , Taylor, B. , Vountas, M. , Roettgers, R. , Peeken, I. and Ye, Y. (2010)
Phytoplankton groups from space using PhytoDOAS: Improvements by multi-target fitting, yearly data set, validation and first application. ,

Proceedings of the Ocean Optics XX, Anchorage, Alaska, U.S.A. .

hdl:10013/epic.36139

Preview

Conference -Talk

Peeken, I. , Nöthig, E. M. , Bauerfeind, E. , Bracher, A. , Engel, A. , Metfies, K. , Niehoff, B. , Okolodkov, Y. , Gäbler-Schwarz, S. , Kilias, E. , Kuckero, L. , Schwarz, J. N. , Wurst, M. , Händel, N. , Lorenzen, C. and Murawski, S. (2010)
Plankton Ecology and Biogeochemistry in a Changing Arctic Ocean (PEBCAO) ,

International Polar Year Oslo science conference, 8-12 June, Norway. .

hdl:10013/epic.35862

Conference -Poster

Bracher, A. , Dinter, T. , Sadeghi, A. , Taylor, B. , Peeken, I. , Ye, Y. and Vountas, M. (2010)
SCIAMACHY PhytoDOAS: Global data set of different phytoplankton groups: retrieval and first application. ,

Oceans from Space, 27 April 2010, Venice, Italy. .

hdl:10013/epic.35870

Conference -Conference paper

Bracher, A. , Dinter, T. , Sadeghi, A. , Taylor, B. , Peeken, I. , Ye, Y. , Vountas, M. , Burrows, J. P. and Röttgers, R. (2010)
SCIAMACHY PhytoDOAS: Global data set of different phytoplankton groups: retrieval, validation and first application ,

Proceedings Oceans from Space Venice (Italy), 26-30 April 2010 / by V. Barale, J.F.R. Gower, L. Alberotanza, ed.s Publication Office of the European Union,UR 24324 EN .

doi:10.2788/8394 , hdl:10013/epic.35867

Conference -Poster

Quack, B. , Krüger, K. , Tegtmeier, S. , Atlas, E. L. , Bracher, A. , Dinter, T. , Wache, S. and Wallace, D. (2010)
Stratospheric halogens from the western Pacific ocean ,

AGU Fall meeting 2010, 15.12.2010, San Francisco, CA, USA.. .

hdl:10013/epic.36516

Conference -Talk

Cherkasheva, A. , Bracher, A. and Melsheimer, C. (2010)
Study of Arctic primary production with respect to changes in sea ice cover: first steps and future plans ,

IUP Ocean, Ice and Atmosphere Seminar, University of BremenDecember 2010. .

hdl:10013/epic.36462

Preview

Conference -Talk

Bernhardt, A. , Taylor, B. and Bracher, A. (2010)
Validation von SeaWiFS-, MODIS- und MERIS-Level-2-Produkten mit ozeanischen Case-1-in-situ-Daten ,

DPG Spring Meeting 2010 of Atomic, Molecular, Plasma Physics and Quantum Optics Section Hannover, March 8 - .

hdl:10013/epic.34723

Conference -Conference paper

Bracher, A. (2009)
Detaillierter Blick aus dem All - Meeresalgen global betrachtet ,

In: Klima im System Erde, R. Hüttl, K. Lochte, V. Mosbrugger (eds.), Terra Nostra .

hdl:10013/epic.33611

Conference -Invited talk

Bracher, A. (2009)
Detaillierter blick aus dem All - Meeresalgen global betrachtet ,

Konferenz "Klima im System Erde", dbb forum Berlin. November 2009. .

hdl:10013/epic.33513

Conference -Talk

Bracher, A. , Dinter, T. , Taylor, B. , Vountas, M. , Burrows, J. P. , Roettgers, R. and Peeken, I. (2009)
GLOBAL OBSERVATION OF DIFFERENT PHYTOPLANKTON GROUPS USING PHYTODOAS WITH SCIAMACHY AND GOME-2 DATA ,

ASLO Aquatic Sciences Meeting, 25-30 January 2009, Nice, France.. .

hdl:10013/epic.32095

Conference -Invited talk

Bracher, A. , Dinter, T. , Taylor, B. , Vountas, M. , Burrows, J. P. , Röttgers, R. and Peeken, I. (2009)
Global observation of different phytoplankton groups using PhytoDOAS on high spectrally resolved satellite data ,

6th EARSeL SIG IS Workshop, 17 Mar 2009, Tel Aviv Unversity, Israel. .

hdl:10013/epic.32384

Conference -Poster

Taylor, B. , Bracher, A. , Roettgers, R. , Peeken, I. , Lunau, M. and Gehnke, S. (2009)
PICOPHYTOPLANKTON DISTRIBUTION IN THE ATLANTIC GROUND-TRUTH FOR GLOBAL OBSERVATION OF PHYTOPLANKTON FUNCTIONAL GROUPS ,

ASLO Aquatic Sciences Meeting, 25-30 January 2009, Nice, France. .

hdl:10013/epic.32094

Conference -Talk

Peeken, I. , Bracher, A. , Engel, A. , Metfies, K. , Niehoff, B. and Nöthig, E. M. (2009)
Plankton ecology in a changing Arctic Ocean - Planned investigations within the new AWI research programme- ,

Workshop: Developing Long Term International Collaboration on Methane Hydrate Research and Monitoring in the Arctic Region, 18 - 20 February 2009, NIOZ (The Netherlands). .

hdl:10013/epic.32610

Conference -Talk

Bernhardt, A. , Taylor, B. , Gehnke, S. , Doerffer, R. and Bracher, A. (2009)
Ship-borne radiometric measurements for validation of MERIS remote sensing reflectances in open Atlantic waters ,

AWI-IUP-Seminar 09.02.2009. .

hdl:10013/epic.34725

Conference -Talk

Bernhardt, A. , Taylor, B. , Gehnke, S. , Doerffer, R. and Bracher, A. (2009)
Validation von SeaWiFS, MODIS und MERIS Level 2 Produkten mit im Atlantik gemessenen in situ Daten ,

Frühjahrstagung der Deutschen Physikalischen Gesellschaft - Sektion AMOP Hamburg.- 6. März 2009. .

hdl:10013/epic.34724

Conference -Invited talk

Bracher, A. (2008)
Determination of phytoplankton functional types from remote sensing ,

EUR-OCEANS meeting of experts on the consolidation of plankton datasets to validate Plankton Functional Types (PFTs) models, 1-3 Oct 2008, British Antarctic Survey, Cambridge, United Kingdom. .

hdl:10013/epic.31511

Conference -Invited talk

Doerffer, R. , Overduin, P. P. , Heim, B. and Bracher, A. (2008)
The Eroding Coast ,

MORSE Arctic Coastal Initiative of the Canadian and European Space Agencies (CSA, ESA), Institute of Ocean Technology, St. Johns, Newfoundland & Labrador, Canada, November 12 - 13 .

hdl:10013/epic.33409

Conference -Invited talk

Bracher, A. and Taylor, B. (2008)
Global observation of marine phytoplankton with satellite and in-situ measurements ,

Meteorological Colloquium, IFM-Geomar, 13 Mar 2008, Kiel, Germany. .

hdl:10013/epic.30231

Conference -Invited talk

Bracher, A. (2008)
Globale Beobachtung von marinem Phytplankton mit spectral hochaufgelösten Satellitendaten ,

Physikalisches Kolloquium des Fachbereichs Physik/Elektrotechnik, , University Bremen, 24 Jan 2008, Bremen, Germany. .

hdl:10013/epic.31015

Conference -Talk

Röttgers, R. , Bracher, A. , Gehnke, S. , Taylor, B. and Wozniak, S. (2008)
Light absorption by natural aquatic particles in the near-infrared (700 900 nm) spectral region. ,

XIX OceanOptics, 6 Oct 2008, Il Ciocco - Barga, Italy. .

hdl:10013/epic.32106

Conference -Invited talk

Bracher, A. (2008)
Marine phytplankton studied with global biooptical methods ,

ZMAW-IFM-Seminar, University Hamburg, 23 Jan 2008, Hamburg, Germany. .

hdl:10013/epic.29999

Conference -Talk

Bracher, A. , Vountas, M. , Dinter, T. , Burrows, J. P. , Röttgers, R. and Peeken, I. (2008)
Observation of cyanobacteria and diatoms from space using Differential Optical Absorption Spectroscopy on SCIAMACHY data ,

5th EGU General Assembly 2008, 16 April 2008, Vienna, Austria. .

hdl:10013/epic.32102

Conference -Talk

Bracher, A. , Taylor, B. , Vountas, M. , Dinter, T. , Burrows, J. P. , Röttgers, R. and Peeken, I. (2008)
Observation of different phytoplankton groups and biomass using Differential Optical Absorption Spectroscopy on SCIAMACHY data and comparisons to in-situ, NASA biogeochemical Model and MERIS ,

2nd MERIS-(A)ATSR User Workshop, 23 Sep 2008, ESA_ESRIN, Frascati, Italy. .

hdl:10013/epic.32103

Preview

Conference -Conference paper

Bracher, A. , Vountas, M. , Dinter, T. , Burrows, J. P. , Taylor, B. , Roettgers, R. and Peeken, I. (2008)
Observation of different phytoplankton groups and biomass using Differential Optical Absorption Spectroscopy on SCIAMACHY data and comparisons to in-situ, NASA biogeochemical Model and MERIS. ,

Proceedings of the 2nd MERIS-(A)ATSR User Workshop, 22-26 Sep 2008, ESA ESRIN, Frascati, Italyp. (ESA Publications Division, Nordwijk, The Netherlands ; SP-666) .

hdl:10013/epic.36545

Preview

Conference -Talk

Bracher, A. , Taylor, B. , Vountas, M. , Dinter, T. , Burrows, J. P. , Röttgers, R. and Peeken, I. (2008)
Observation of different phytoplankton groups using PhytoDOAS with SCIAMACHY data ,

XIX OceanOptics, 7 Oct 2008, Il Ciocco - Barga, Italy. .

hdl:10013/epic.32104

Conference -Talk

Bracher, A. , Vountas, M. , Dinter, T. , Burrows, J. P. , Roettgers, R. and Peeken, I. (2008)
Observation of phycoerythrine containing phytoplankton and other phytoplankton groups from space using Differential Optical Absorption Spectroscopy on SCIAMACHY data ,

37th COSPAR, 17 July 2008, Montreal, Canada. .

hdl:10013/epic.32379

Conference -Poster

Taylor, B. , Bracher, A. , Röttgers, R. , Peeken, I. , Lunau, M. and Gehnke, S. (2008)
Picophytoplankton distribution in the Atlantic in-situ measurements for global observation of phytoplankton functional groups ,

XIX OceanOptics, 8 Oct 2008, Il Ciocco - Barga, Italy. .

hdl:10013/epic.32105

Conference -Poster

Bernhardt, A. , Taylor, B. , Gehnke, S. , Doerffer, R. and Bracher, A. (2008)
VALIDATION OF MERIS REMOTE SENSING REFLECTANCE IN ATLANTIC CASE 1 WATERS WITH GROUND BASED IN-SITU MEASUREMENTS ,

2nd MERIS / (A)ATSR User Workshop, Frascati, Italy 2226 September 2008. .

hdl:10013/epic.34726

Conference -Conference paper

Bernhardt, A. , Taylor, B. , Gehnke, S. , Doerffer, R. and Bracher, A. (2008)
Validation of MERIS remote sensing reflectance in Atlantic case 1 waters with ground based in-situ measurements ,

Proc. of the '2nd MERIS / (A)ATSR User Workshop', Frascati, Italy 2226 September 2008 (ESA SP-666, November 2008). .

hdl:10013/epic.32088

Preview

Conference -Invited talk

Bracher, A. (2007)
Detaillierter Blick aus dem All Meeresalgen global beobachtet ,

Wissen um 11, Haus der Wissenschaft, BremenJune 2007. .

hdl:10013/epic.27725

Conference -Invited talk

Bracher, A. , Bovensmann, H. , Bramstedt, K. and Burrows, J. P. (2004)
Cross Validation of O3 and NO2 Profiles Measured by the Atmospheric ENVISAT Instruments GOMOS, MIPAS, and SCIAMACHY ,

35th COSPAR Scientific Assembly, Paris, FranceJuly 2004. .

hdl:10013/epic.27724

Conference -Invited talk

Bracher, A. (2001)
Photoacclimation of phytoplankton in different biogeochemical provinces of the Southern Ocean and its significance for estimating primary production ,

Limnologisches Kolloquium der Universität Konstanz, Sonderforschungsbereich 248 "Stoffhaushalt des Bodensees", KonstanzJanuary 2001. .

hdl:10013/epic.27728

Conference -Invited talk

Bracher, A. (2000)
Internationale Wasserpolitik: Regelungsbedarf, Regelungsansätze und Stand der Diskussion ,

Expert Discussion on Wasser als Streitpunkt der globalen Umwelt- und Entwicklungspolitik Evangelischen Zentralstelle für Entwicklungshilfe (EZE), BonnSeptember 2000. .

hdl:10013/epic.27760