Instruments and Methods

the marine phytoplankton’s role in the global marine ecosystem and biogeochemical cycles it is necessary to derive its global, in particular the distribution of major functional phytoplankton types (PFT) [...] (PFT), but also on phytoplankton… Find out more Precision Salinometer The Precision Salinometer calculates the salinity of a water sample from the measurement of the electrical conductivity and the determination

S5POC-RB-D01_v1.0.pdf

they depend on the size and taxonomic composition of phytoplankton and structure of the trophic community. Although detailed knowledge of phytoplankton composition is essential for assessment of marine primary [...] production, the estimates of both phytoplankton composition and marine primary production from satellite data are still very uncertain. Quantitative information on phytoplankton composition, light availability [...] individual phytoplankton fields. Journal of Geophysical Research Oceans, 124: 470-490. Pradhan H. K., Völker C., Losa S. N., Bracher A., Nerger L. Global assimilation of ocean-color data of phytoplankton functional

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SEOM-SynSenPFT-Bands-D3.1_v1.pdf

laboratory phytoplankton cultures, and QAA- inverted phytoplankton absorption spectra to differentiate six taxonomic groups. The differentiation performed most effective on measured phytoplankton absorp- [...] Version 1.0 Doc: IUP-AWI Phytoplankton Functional Types SEOM-SynSenPFT-WP310-D3.1 D3.1: Spectral band requirements Date: 24 May 2016 SY-4Sci Synergy R & D Study 4: Phytoplankton Functional Types (SynSenPFT) [...] Funka Bay, Japan. They measured light absorption of phytoplankton (among other pa- rameters) and calculated the contribution of various phytoplankton groups to the concentration of chl-a using HPLC pigment

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Research foci

this end, we build hypotheses based on oceanographic field observations, test them in controlled phytoplankton lab experiments and use the results to develop mathematical models. Using this approach, we not [...] positions itself at the crossroads of the three principal AWI divisions: Bio, Geo and Climate. Phytoplankton Ecophysiology Geochemical Analyses Ocean Biogeochemical Modelling

IOC-UNESCO Trends PO workshop

activities in their watersheds as well as large scale global climatic change. Phytoplankton are the base of coastal food webs. Phytoplankton community activity and composition are directly impacted by these pressures [...] connectivity of phytoplankton with other environmental changes by interactions with other IOC sponsored programs and groups; 3) to move forward to promote IPCC to examine phytoplankton variability in the [...] scientific community at large. Specific objectives are: 1) to continue to work on representative phytoplankton data sets in order to develop greater scientific understanding of underlying processes and pressures

SEOM-SynSenPFT-SUM-D2.5_v1.1.pdf

Study 4: Version 1.1 D2.5-AWI-IUP Phytoplankton Functional Types Doc: SEOM-SynSenPFT-SUM-D2.5 SUM Date: 16 September 2016 SY-4Sci Synergy R & D Study 4: Phytoplankton Functional Types (SynSenPFT) ESRIN [...] of Hirata et al. (2011) to retrieve PFTs PFT Phytoplankton Functional Type PhytoDOAS Differential Optical Absorption Spectroscopy applied to phytoplankton, algorithm by Bracher et al. (2009) and (Sadeghi [...] D-28359 Bremen, Germany 1 Sy-4SciPFT-SUM- SY-4Sci Synergy R & D Study 4: Version 1.1 D2.5-AWI-IUP Phytoplankton Functional Types Doc: SEOM-SynSenPFT-SUM-D2.5 SUM Date: 16 September 2016 Change log Version Nr

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Form and Function

the mechanical functions of phytoplankton shells and utilizing their structural strategies in engineering applications Background and motivation Diatoms, a class of phytoplankton, are marine microorganisms [...] obtained from a two-stage approach will contribute to improving the general understanding of phytoplankton organisms, while helping to develop bio-inspired functional design strategies that can be efficiently

CLEO-WS-Report-final.pdf

retrieval of phytoplankton biomass (PFT algorithm by Bracher et al. 2009, Sadeghi et al. 2012) PFT = phytoplankton functional type PG = phytoplankton group PSC = phytoplankton size class PT = phytoplankton type [...] used increasingly to map phytoplankton types and size classes from space (see section of report dealing with phytoplankton types): given the different roles of these phytoplankton types in ocean and inlan [...] range of products comprises estimates of net primary production, phytoplankton carbon biomass, phytoplankton functional types, phytoplankton loss rates, suspended particulate organic carbon, particle size

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CLEO-WS-Report-final.pdf

retrieval of phytoplankton biomass (PFT algorithm by Bracher et al. 2009, Sadeghi et al. 2012) PFT = phytoplankton functional type PG = phytoplankton group PSC = phytoplankton size class PT = phytoplankton type [...] used increasingly to map phytoplankton types and size classes from space (see section of report dealing with phytoplankton types): given the different roles of these phytoplankton types in ocean and inlan [...] range of products comprises estimates of net primary production, phytoplankton carbon biomass, phytoplankton functional types, phytoplankton loss rates, suspended particulate organic carbon, particle size

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Labs & Competences

Marine Chemistry Biological effects of marine organisms Secondary Metabolites Antarctic phytoplankton ecology and biogeochemistry Eco-Evolutionary Genomics