Prof. Dr. Astrid Bracher

Senoir Scientist

Astrid Bracher
Division Climate Sciences | Physical Oceanography of the Polar Seas | PHYTOOPTICS - Marine Phytoplankton studied by global biooptical methods
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Email Astrid Bracher
Phone +49(471)4831-1128
Fax +49(471)4831-1149
Address Alfred Wegener Institute
Bussestraße 24,
D-27570 Bremerhaven
(Room F-F402)
Vita PDF

Research program

PACES II 1: Changes and regional feedbacks in Arctic and Antarctic
PACES II 1.4: Arctic sea ice and its interaction with ocean and ecosystems
PACES II 1.5: Southern Ocean physics, biodiversity, and biogeochemical fluxes in a changing climate


Group Leader of PHYTOOPTICS Group in cooperation with the Institute of Environmental Physics (University Bremen)

Research interests

Marine Primary Production;Phytoplankton Functional Types;Ocean Optics;Remote Sensing of the Atmosphere and Ocean;Satellite Validation;Atmospheric Trace Gases; Oceanic Emissions

Latest Publications

Diatom Phenology in the Southern Ocean: Mean Patterns, Trends and the Role of Climate Oscillations (2016)
Soppa, Mariana; Völker, Christoph; Bracher, Astrid
hdl: 10013/epic.47911

Conference Item
Do oceanic emissions account for the missing source of atmospheric carbonyl sulfide? (2016)
Lennartz, Sinikka; Marandino, Christa A.; von Hobe, Marc; Cortés, Pau; Simó, Rafel; Booge, Dennis; Quack, Birgit; Ksionzek, Kerstin; Röttgers, Rüdiger; Koch, Boris; Bracher, Astrid; Krüger, Kirstin
hdl: 10013/epic.47762

Conference Item
Long-term investigations of summertime chlorophyll a, particulate organic carbon and continuously observations of vertical particle flux in Fram Strait and the central Arctic Ocean (2016)
Nöthig, Eva-Maria; Bauerfeind, Eduard; Bracher, Astrid; Cherkasheva, Alexandra; Fahl, Kirsten; Lalande, Catherine; Metfies, Katja; Peeken, Ilka; Salter, Ian; Boetius, Antje; Soltwedel, Thomas
hdl: 10013/epic.47798

Natural variability or anthropogenically-induced variation? Insights from 15 years of multidisciplinary observations at the arctic open-ocean LTER site HAUSGARTEN (2016)
Soltwedel, Thomas; Bauerfeind, Eduard; Bergmann, Melanie; Bracher, Astrid; Budaeva, Nataliya; Busch, Katarzyna; Cherkasheva, Alexandra; Fahl, Kirsten; Grzelak, Katarzyna; Hasemann, Christiane; Jacob, Marianne; Kraft, Angelina; Lalande, Catherine; Metfies,
hdl: 10013/epic.46244

Retrieval of Terrestrial Plant Fluorescence based on the in-filling of far-red Fraunhofer lines using SCIAMACHY Observations (2015)
Khosravi, N.; Vountas , M.; Rozanov, V. V.; Bracher, Astrid; Wolanin, A.; Burrows, J. P.
hdl: 10013/epic.46487

Latest Datasets

Spatial distribution patterns of ascidians (Ascidiacea: Tunicata) in combination with information on bathymetry, oceanography, chlorophyll-a, and sea-ice on the continental shelves off the northern Antarctic Peninsula during POLARSTERN cruise ANT-XXIX/3 (2016)
Segelken-Voigt, Alexandra; Bracher, Astrid; Dorschel, Boris; Gutt, Julian; Huneke, Wilma; Link, Heike; Piepenburg, Dieter

Chlorophyll-a concentration and sea ice concentration at OFOS stations during POLARSTERN cruise ANT-XXIX/3 derived from the merged daily Full Product Set (FPS) of the GlobColour Archive (2016)
Bracher, Astrid; Huntemann, Marcus

Chlorophyll-a concentration and sea ice concentration at AGT stations during POLARSTERN cruise ANT-XXIX/3 derived from the merged daily Full Product Set (FPS) of the GlobColour Archive (2016)
Bracher, Astrid; Huntemann, Marcus

Macro-epibenthic communities, bathymetry and enviromental information at the tip of the Antarctic Peninsula (2016)
Gutt, Julian; Alvaro, Maria Chiara; Barco, Andrea; Böhmer, Astrid; Bracher, Astrid; David, Bruno; De Ridder, Chantal; Dorschel, Boris; Eléaume, Marc; Janussen, Dorte; Kersken, Daniel; López-Gonzáles, Pablo José; Martínez-Baraldés, Irene; Schröder, Michael

Chlorophyll a in Arctic Ocean, Fram Strait, and Greenland Sea, 1991-2012 (2015)
Nöthig, Eva-Maria; Bracher, Astrid; Engel, Anja; Metfies, Katja; Niehoff, Barbara; Peeken, Ilka; Bauerfeind, Eduard; Cherkasheva, Alexandra; Gäbler-Schwarz, Stefanie; Hardge, Kristin; Kilias, Estelle; Kraft, Angelina; Mebrahtom Kidane, Yohannes; Lalande,