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5 results on '"GKSS-Research Center"'

1. A.L. Copley Best Paper Prize 2017

Author

Christian Lehmann, Friedrich Jung, Philippe Connes, Center for Biomaterial Development and Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Institute for Polymer Research, GKSS Research Center GmbH, Teltow, Germany, Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM ), Université Claude Bernard Lyon 1 (UCBL), and Université de Lyon-Université de Lyon-Université Jean Monnet [Saint-Étienne] (UJM)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])

Subjects
Physiology, [SDV]Life Sciences [q-bio], Physiology (medical), media_common.quotation_subject, Art history, Hematology, Art, Cardiology and Cardiovascular Medicine, ComputingMilieux_MISCELLANEOUS, media_common
Abstract

International audience

Published
2018
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2. Study of the origin of atmospheric mercury depletion events recorded in Ny-Ålesund, Svalbard, spring 2003

Author

Katrine Aspmo, Torunn Berg, Christophe Ferrari, C. M. Banic, Alexandra Steffen, Pierre-Alexis Gauchard, Claude F. Boutron, Ralf Ebinghaus, Sonia Nagorski, Christian Temme, Lars Kaleschke, Enno Bahlmann, Patrick Baussand, Olivier Magand, Frédéric Planchon, Johan Ström, Aurélien Dommergue, Laboratoire de glaciologie et géophysique de l'environnement (LGGE), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Norwegian Institute for Air Research (NILU), Department of Chemistry [Oslo], Faculty of Mathematics and Natural Sciences [Oslo], University of Oslo (UiO)-University of Oslo (UiO), GKSS-Research Center, Institute for Coastal Research, Air Quality Research Branch, Meteorological Service of Canada, Environment and Climate Change Canada, Polytech' Grenoble, Université Joseph Fourier - Grenoble 1 (UJF), Institute of Applied Environmental Research [Stockholm] (ITM), Stockholm University, Institute of Environmental Physics [Bremen] (IUP), University of Bremen, Environmental Sciences Department, University of Ca’ Foscari [Venice, Italy], Groupe de Recherche sur l'Environnement et la Chimie Atmosphérique (GRECA), UFR de Mécanique et de Physique, Observatoire des Sciences de l'Univers de Grenoble (OSUG), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS), and Institute of Applied Environmental Research (ITM)

Subjects
Atmospheric Science, 010504 meteorology & atmospheric sciences, Transport, chemistry.chemical_element, Atmospheric mercury, 010501 environmental sciences, Atmospheric sciences, 01 natural sciences, Troposphere, Ozone, 0105 earth and related environmental sciences, General Environmental Science, [SDU.OCEAN]Sciences of the Universe [physics]/Ocean, Atmosphere, Ice cloud, Advection, Mercury, Snow, Atmospheric mercury depletion events, eye diseases, Aerosol, Mercury (element), Particles, chemistry, 13. Climate action, Atmospheric chemistry, sense organs
Abstract

International audience; An international campaign involving six teams was organized in Ny-Ålesund, Svalbard, in order to understand better the origin of atmospheric mercury depletion events (AMDEs). Special emphasis was given to determining the source region of the observed events and the physical and chemical processes leading to AMDEs. Five AMDEs were recorded during a one-month field experiment (10 April-10 May, 2003). The different events presented various characteristics, especially in terms of mercury species formation, atmospheric particle variations and meteorological conditions. After careful examination of each event, we postulate that two were probably due to advection of already depleted air masses and three were a product of local or regional chemistry. The roles of different surfaces (frost flowers, snow, ice aerosol in clouds) involved in heterogeneous reactions leading to AMDEs are also discussed. We speculate that ice clouds may explain the particle variations observed during the three more local events.

Published
2005
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3. Measurements of atmospheric mercury species during an international study of mercury depletion events at Ny-Ålesund, Svalbard, spring 2003. How reproducible are our present methods?

Author

Torunn Berg, Francesca Sprovieri, Christian Temme, Christophe Ferrari, Aurélien Dommergue, Grethe Wibetoe, Nicola Pirrone, Pierre-Alexis Gauchard, Alexandra Steffen, Katrine Aspmo, Ralf Ebinghaus, Enno Bahlmann, C. M. Banic, Norwegian Institute for Air Research (NILU), Department of Chemistry [Oslo], Faculty of Mathematics and Natural Sciences [Oslo], University of Oslo (UiO)-University of Oslo (UiO), Laboratoire de glaciologie et géophysique de l'environnement (LGGE), Observatoire des Sciences de l'Univers de Grenoble (OSUG), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS), Environment and Climate Change Canada, GKSS-Research Center, Institute for Coastal Research, Institute of Atmospheric Pollution Research (IIA), Consiglio Nazionale delle Ricerche [Roma] (CNR), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG), and Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)

Subjects
MERCURE, Atmospheric Science, Reactive gaseous mercury, 010504 meteorology & atmospheric sciences, Meteorology, Air pollution, chemistry.chemical_element, 010501 environmental sciences, Atmospheric sciences, medicine.disease_cause, 01 natural sciences, Troposphere, Round robin test procedures, Arctic, medicine, Intercomparison, 0105 earth and related environmental sciences, General Environmental Science, [SDU.OCEAN]Sciences of the Universe [physics]/Ocean, Atmosphere, Replicate, Gaseous elemental mercury, Particle bound mercury, Aerosol, Mercury (element), chemistry, 13. Climate action, Atmospheric chemistry, Environmental science, Round robin test
Abstract

International audience; Six groups participated in an international study of springtime atmospheric mercury depletion events (AMDEs) at Ny-Ålesund in the Norwegian Arctic during April and May 2003 with the aim to compare analytical methods for measurements of atmospheric mercury species and study the physical and chemical processes leading to AMDEs. Five groups participated in the method comparison that was conducted at three different locations within Ny-Ålesund. Various automated and manual instrumentation were used to sample, measure and compare gaseous elemental mercury (GEM), reactive gaseous mercury (RGM) and mercury associated with particles (Hg-P). The concentration of GEM was reproducible during background conditions. For the first time using ambient air, the statistics associated with round robin test procedures were applied. This was found to be an appropriate tool to investigate the reproducibility of GEM measurements in ambient air. The precision for each group measuring GEM concentrations was found to be consistently good (within 5%). Five AMDEs were recorded during the study. Using four different methods, including single and replicate samples, all groups recorded higher values of RGM and Hg-P during AMDEs. The results show that measuring comparable atmospheric mercury species at both the same and different locations (within the Ny-Ålesund area) is difficult. Not only do site location and site characteristics create challenges when trying to intercompare results but there are difficulties, as well, in obtaining comparable results with similar sampling and analysis methods. Nevertheless, with our current procedures for atmospheric mercury identification we can differentiate with certainty between “high” and “low” concentration values of RGM and Hg-P.

Published
2005
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4. A statistical analysis for pattern recognition of small cloud particles sampled with a PMS-2DC probe

Author

Christophe Duroure, F. Albers, A. Fouilloux, J. Iaquinta, Laboratoire de météorologie physique (LaMP), Centre National de la Recherche Scientifique (CNRS)-Université Blaise Pascal - Clermont-Ferrand 2 (UBP)-Institut national des sciences de l'Univers (INSU - CNRS), GKSS Research Center, EGU, Publication, and Université Blaise Pascal - Clermont-Ferrand 2 (UBP)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Atmospheric Science, 010504 meteorology & atmospheric sciences, [SDU.STU]Sciences of the Universe [physics]/Earth Sciences, 01 natural sciences, Synthetic data, Phase (matter), 0103 physical sciences, Earth and Planetary Sciences (miscellaneous), 010306 general physics, lcsh:Science, 0105 earth and related environmental sciences, [SDU.OCEAN]Sciences of the Universe [physics]/Ocean, Atmosphere, Physics, Ice cloud, Pixel, Computer simulation, [SDU.OCEAN] Sciences of the Universe [physics]/Ocean, Atmosphere, business.industry, lcsh:QC801-809, Geology, Astronomy and Astrophysics, Pattern recognition, lcsh:QC1-999, lcsh:Geophysics. Cosmic physics, Space and Planetary Science, Pattern recognition (psychology), [SDU.STU] Sciences of the Universe [physics]/Earth Sciences, Particle, lcsh:Q, Artificial intelligence, Particle size, business, lcsh:Physics
Abstract

Although small particles (size between 25 µm and 200 µm) are frequently observed within ice and water clouds, they are not generally used properly for the calculation of structural, optical and microphysical quantities. Actually neither the exact shape nor the phase (ice or water) of these particles is well defined since the existing pattern recognition algorithms are only efficient for larger particle sizes. The present study describes a statistical analysis concerning small hexagonal columns and spherical particles sampled with a PMS-2DC probe, and the corresponding images are classified according to the occurrence probability of various pixels arrangements. This approach was first applied to synthetic data generated with a numerical model, including the effects of diffraction at a short distance, and then validated against actual data sets obtained from in-cloud flights during the pre-ICE'89 campaign. Our method allows us to differentiate small hexagonal columns from spherical particles, thus making possible the characterization of the three dimensional shape (and consequently evaluation of the volume) of the particles, and finally to compute e.g., the liquid or the ice water content.

Published
1997

5. 31 Years of Clinical Hemorheology and Microcirculation

Author

H Niimi, Jean-François Stoltz, Sandro Forconi, F Jung, Center for Biomaterial Development and Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Institute for Polymer Research, GKSS Research Center GmbH, Teltow, Germany, National Cardiovascular Center Research Institute, Università degli Studi di Siena = University of Siena (UNISI), Laboratoire Énergies et Mécanique Théorique et Appliquée (LEMTA ), and Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)

Subjects
medicine.medical_specialty, Physiology, 0206 medical engineering, 02 engineering and technology, History, 21st Century, Microcirculation, Physiology (medical), Internal medicine, MESH: Microcirculation, medicine, Humans, [SDV.BBM.BC]Life Sciences [q-bio]/Biochemistry, Molecular Biology/Biochemistry [q-bio.BM], ComputingMilieux_MISCELLANEOUS, MESH: Humans, business.industry, [SDV.BBM.BM]Life Sciences [q-bio]/Biochemistry, Molecular Biology/Molecular biology, Hematology, History, 20th Century, 021001 nanoscience & nanotechnology, 020601 biomedical engineering, MESH: Hemorheology, Hemorheology, Cardiology, MESH: History, 20th Century, Periodicals as Topic, MESH: History, 21st Century, 0210 nano-technology, Cardiology and Cardiovascular Medicine, business, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology, MESH: Periodicals as Topic
Abstract

International audience

Published
2013
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