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Article
Karakas, G. , Nowald, N. , Schäfer-Neth, C. ![]() ![]() Impact of particle aggregation on vertical fluxes of organic matter ,
Progress in Oceanography, 83, 331-341,
83
,
pp. 331-341
.
doi:https://doi.org/10.1016/j.pocean.2009.07.047
, hdl:10013/epic.33710
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Article
Fischer, G. and Karakas, G.
(2009)
Sinking rates and ballast composition of particles in the Atlantic Ocean: implications for the organic carbon fluxes to the deep ocean ,
Biogeosciences,
6
(1),
pp. 85-102
.
hdl:10013/epic.34576
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Article
Fischer, G. and Karakas, G.
(2008)
Sinking rates of particles in biogenic silica- and carbonate-dominated production systems of the Atlantic Ocean: implications for the organic carbon fluxes to the deep ocean ,
Biogeosciences Discussions,
5
,
pp. 2541-2581
.
hdl:10013/epic.30681
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Article
Fischer, G. , Karakas, G. , Blaas, M. , Ratmeyer, V. , Nowald, N. , Schlitzer, R. ![]() Mineral ballast and particle settling rates in the coastal upwelling system off NW Africa and the South Atlantic ,
International Journal of Earth Sciences.
.
doi:https://doi.org/10.1007/s00531-007-0234-7
, hdl:10013/epic.28482
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Article
Nowald, N. , Karakas, G. , Ratmeyer, V. , Fischer, G. , Schlitzer, R. ![]() Distribution and transport processes of marine particulate matter off Cape Blanc (NW-Africa): results from vertical camera profiles ,
Ocean Science Discussions,
3
,
pp. 903-938
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hdl:10013/epic.28483
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Article
Karakas, G. , Nowald, N. , Blaas, M. , Marchesiello, P. , Frickenhaus, S. ![]() ![]() High resolution modelling of sediment erosion and particle transport across the NW African shelf ,
Journal of geophysical research-oceansC06025),
111
.
doi:https://doi.org/10.1029/2005JC003296
, hdl:10013/epic.24460
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Article
Karakas, G. , James, A. and Al-Barakati, A.
(2004)
Prediction of fly-ash dispersion in the southern Black Sea: A preliminary modelling study ,
Environmental modeling & assessment,
9
,
pp. 137-145
.
doi:https://doi.org/10.1023/B:ENMO.0000049390.23801.81
, hdl:10013/epic.20515
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Article
Karakas, G. and Boehrer, B.
(2003)
Estimation of effective vertical diffusivity in turbulent exchange flows by numerical experiments ,
Progress of theoretical physics supplement,
150
,
pp. 353-356
.
hdl:10013/epic.20512
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Article
Karakas, G. , Brookland, I. and Boehrer, B.
(2003)
Physical characteristics of Acidic Mining Lake 111 ,
Aquatic sciences,
65
,
pp. 297-307
.
doi:https://doi.org/10.1007/s00027-003-0651-z
, hdl:10013/epic.20513
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Article
Karakas, G. , James, A. and Al-Barakati, A.
(2002)
Modelling sub-surface dynamics in the Black Sea ,
Oceanologica acta,
25
,
pp. 101-116
.
doi:https://doi.org/10.1016/S0399-1784(02)01185-4
, hdl:10013/epic.20514
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Inbook
Karakas, G.
(2002)
Comparison of turbulence models for transient cool-down natural convection in a cylindrical cavity ,
Advances in Fluid Mechanics 4, Rahman et al. (eds.), WIT Press, Southampton,
ISBN: 1-85312-910-0
.
hdl:10013/epic.20516
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Conference
-Talk
Fischer, G. , Karakas, G. , Schlitzer, R. ![]() Particle fluxes and particle transport from the shelf to the open ocean off Cape Blanc, Mauretania: results from observational and modelling studies ,
Symposium on Eastern Boundary Upwelling Ecosystems: integrative and comparative approaches. 2-6 June 2008, Las Palmas de Gran Canaria, Spain.
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hdl:10013/epic.30636
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Conference
-Talk
Karakas, G. , Schäfer-Neth, C. ![]() ![]() Simulation of particle aggregation and export in an eastern boundary upwelling system ,
Symposium on Eastern Boundary Upwelling Ecosystems: integrative and comparative approaches. 2-6 June 2008, Las Palmas de Gran Canaria, Spain.
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hdl:10013/epic.30635
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Conference
-Poster
Karakas, G. , Fischer, G. , Marchesiello, P. and Schlitzer, R. ![]() Organic carbon export in the NW African high productivity zone ,
Geophysical Research Abstracts 9
.
hdl:10013/epic.27829
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Conference
-Talk
Karakas, G. and Schlitzer, R. ![]() Performance of high resolution oceanic (ROMS) and atmospheric (WRF) models on HLRN Supercomputing Platform ,
BremHLR- Begutachtungsveranstaltung, 11.12.2007, Haus der Wissenschaft, Bremen.
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hdl:10013/epic.30673
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Conference
-Poster
Karakas, G. , Blaas, M. , Marchesiello, P. and Schlitzer, R. ![]() Aeolian dust or shelf sediments: what is the source of iron in the NW African high productivity region? ,
Eos Trans. AGU, 87(36), Ocean Sci. Meet. Suppl., Abstract OS46K-24.
.
hdl:10013/epic.24926
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Conference
-Talk
Fischer, G. , Helmke, P. , Karakas, G. , Nowald, N. , Davenport, R. , Ratmeyer, V. and Wefer, G.
(2006)
Vertical and horizontal transport of particles in the coastal upwelling filament off Cape Blanc, Mauretania ,
Geophysical Research Abstracts 8
.
hdl:10013/epic.27828
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Conference
-Poster
Karakas, G. , Marchesiello, P. , Nowald, N. and Schlitzer, R. ![]() Particle fluxes in the coastal upwelling zone off north-west Africa ,
EGU General Assembly 2005, Geophysical Research Abstracts
.
hdl:10013/epic.24615
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Conference
-Invited talk
Karakas, G.
(2004)
High Resolution Modelling in the Coastal Upwelling Zone off North-West Africa ,
Current Issues in Atmospheric/Ocean Modelling and Data Assimilation, HLRN-Workshop, 10-11 May 2004, Bremerhaven.
.
hdl:10013/epic.22848
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Conference
-Poster
Karakas, G.
(2004)
High resolution modelling of coastal upwelling along the NW African Coast ,
Geophysical Research Abstracts, Vol. 6, 04967, European Geosciences Union.
.
hdl:10013/epic.22845
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Conference
-Talk
Karakas, G.
(2004)
Modelling Particle Fluxes in the Coastal Upwelling Zone off NW Africa ,
ROMS/TOMS European Workshop, October 18-20, 2004, CNR-ISMAR, Venice (Italy).
.
hdl:10013/epic.22846
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Conference
-Talk
Karakas, G.
(2004)
Modelling Particle Fluxes in the Coastal Upwelling Zone off NW Africa ,
ROMS/TOMS European Workshop, October 18-20, 2004, CNR-ISMAR, Venice (Italy).
.
hdl:10013/epic.22847
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Conference
-Conference paper
Karakas, G. and Boehrer, B.
(2001)
Simulation of natural convection in enclosures in acidic mining lakes ,
6th Workshop on Physical Processes in Natural Waters, Casamitjana, X. (ed.), Girona
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hdl:10013/epic.20517
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Conference
-Conference paper
Karakas, G. , James, A. and Al-Barakati, A.
(2000)
An Isopycnic Model Study of the Black Sea ,
Estuarine and Coastal Modeling 6, Spaulding, M. and Butler L.H. (eds.), American Society of Civil Engineers
.
hdl:10013/epic.20518
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