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        • AWI-Meereisphysikers arbeiten auch bei auffrischendem Wind und zunehmender Schneedrift auf dem Meereis.


Polarsternexpedition ANT-XXIX/6; 8. Juni - 12. August 2013; Kapstadt-Punta Arenas
Ziel der Expedition: Ein interdisziplinäres Forschungsprogramm in Atmosphäre, Meereis, Ozean und Ökosystem im antarktischen Winter, um die physikalischen und biogeochemischen Eigenschaften und Prozesse während der Wachstumsphase des Meereises besser zu verstehen. Fahrt war die erste antarktische Winterexpedition seit dem Jahr 2006. (Kurs wie im Winterexperiment 1992) 


English

AWI sea-ice physicists are working on the sea ice, while the wind is acclerating and the snow drift is increasing.

Polarsternexpedition ANT-XXIX/6; 8. June - 12. August 2013; Cape Town -Punta Arenas (Chile); The aim of the cruise is to carry out an interdisciplinary research programm on atmosphere, sea ice, ocean, and ecosystem during winter to obtain an understanding of physical and biogeochemical properties and processes during the sea ice growth season. It was the first Antarctic winter expedition since the year 2006.


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      • // Science
      • // Climate Sciences
      • // Physical Oceanography
      • // Main Research Focus
      • // Ocean Optics
      • // Publications
      • // Invited Talks

      Invited Talks since 2007

      2021

      Bracher A. (2021) Quantifying Phytoplankton Diversity from Space. FCUL Science Seminar, University of Lisbon, 4 Nov 2021.

      Bracher A., Soppa M. A., Gege P., Losa S.N., Silva B., Steinmetz F., Dröscher, I. (2021) Extension of atmospheric correction Polymer to hyperspectral sensors: application to HICO data and first results for DESIS data. IEEE International Geoscience and Remote Sensing Symposium 2021; 16 Jul 2021

      Bracher A. (2021) Phytoplankton Diversity from Space. HIFMB Data Science Seminar, University Oldenburg, Online Meeting, 19 May 2021.

      2020

      Bracher A. (2020) Challenges to monitor biogeochemistry from space in the Arctic Ocean and next steps towards its comprehensive monitoring. European Polar Science Week 2020. Virtual Internagtional Conference. 30 Oct 2020

      2019

      Bracher A. (2019) The Ocean as Seen by SCIAMACHY. “SCIA4Future – Highlights from the SCIAMACHY Mission”, Atlantic Hotel, Bremen, Germany, 5 Dec 2019

      Bracher A. (2019) Remote sensing for aquatic research with a particular focus on phytoplankton fluorescence. Keynote at “International Network on Remote Sensing of Terrestrial and Aquatic Fluorescence”,Davos, Switzerland, 7 March 2019

      Bracher A. (2019) RSL Remote Sensing Laboratory Research Colloquium, Department of Geography,University Zurich, Zurich, Switzerland, 5 March 2019

      2017

      Bracher A. (2017) Detailierter Blick aus dem All – Globale Messungen der Vielfalt von Meeresalgen. Festkolloquium Max Tilzer 50 Anniversary of Max Tilzer PhD, 27 Oktober 2017, Universität Konstanz

      2016

      Bracher A., Dinter T., Loza S., Soppa M., Wolanin A, Rozanov V., Bricaud A., Brewin R. (2016) Phytoplankton diversity studied with hyperspectral satellite data and by synergistic use with multispectral data products. In: Workshop of NASA-sponsored Working Group "Prospects and Priorities for Satellite Monitoring of Global Marine Biodiversity”, Santa Barbara, 6 June 2016

      2015

      Bracher A., T. Dinter, A. Sadeghi, A. Wolanin, V. Rozanov, M. Vountas, J. P. Burrows, I. Peeken, R. Röttgers, M. Soppa, J. Ryan (2015) Hyperspectral ocean color imagery and applications to studies of phytoplankton ecology. In  Breakout session "Hyperspectral science and applications for shelf and open ocean processes" of IOCS 2015, San Francisco, USA, 18 Jun 2015

      2013

      Bracher A., Hirata T. (2013) “Report of Splinter Session 10 “Phytoplankton Community Structure from Ocean Colour: Methods, Validation, Intercomparisons and Applications”, International Ocean Color Science (IOCS) Meeting, Darmstadt, 8 May 2013

      Bracher A., Hardman-Mountford N. (2013) “Overview of PFT satellite products.” Splinter Session 10 “Phytoplankton Community Structure from Ocean Colour: Methods, Validation, Intercomparisons and Applications”, International Ocean Color Science (IOCS) Meeting, Darmstadt, 7 May 2013

      2011

      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. Talk: Earth System Science Seminar, Hokkaido University, Sapporo, Japan, 21 Nov 2011.

      Bracher A. (2011) Optical methods to study phytoplankton composition and dynamics on global scale. Results and perspectives from work within the YIG “Marine Phytoplankton Studied with Global Biooptical Methods”, AWI talk for evaluation of YIG, AWI, Bremerhaven, 12 Dec 2011.

      Torrecilla E. (with conribtutions from B. Taylor, A. Bernhardt, A. Bracher) „An integrated biological-hyperspectral approach to address the remote sensing estimation of phytoplankton biodiversity in the ocean", Talk: AWI-Climate Seminar, 10 Jun 2011.

      2010
      Bracher, A., Dinter, T., Schmitt, B. B., Vountas, M., Sadeghi, A., Roettgers, R., 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.
      2009
      Bracher, A., Dinter, T., Schmitt, B. B., Vountas, M., Burrows, J. P., Röttgers, R., 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.
          
      Bracher, A. (2009). Detaillierter blick aus dem All - Meeresalgen global betrachtet, Konferenz "Klima im System Erde", dbb forum Berlin, 3. November 2009.
      2008
      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.
          
      Bracher, A. (2008). Marine phytplankton studied with global biooptical methods, ZMAW-IFM-Seminar, University Hamburg, 23 Jan 2008, Hamburg, Germany.
          
      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.
          
      Bracher, A., Schmitt, B. B. (2008). Global observation of marine phytoplankton with satellite and in-situ measurements, Meteorological Colloquium, IFM-Geomar, 13 Mar 2008, Kiel, Germany.
          
      Doerffer, R., Overduin, P. P., Heim, B., Bracher, A. (2008). The Eroding Coast, MORSE Arctic Coastal Initiative of the Canadian and European Space Agencies (CSA, ESA), Institute of Ocean Technology, St. John’s, Newfoundland & Labrador, Canada, November 12 - 13, 2008.
          
      2007
      Bracher, A. (2007). Detaillierter Blick aus dem All – Meeresalgen global beobachtet, Wissen um 11, Haus der Wissenschaft, Bremen, 16 June 2007.

      Last update: 11.02.2022
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