Items where Author is "Karakas, Gokay"

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Number of items: 24.

Article

Article

Karakas, G. , Nowald, N. , Schäfer-Neth, C.

, Iversen, M.

, Barkmann, W. , Fischer, G. , Marchesiello, P. and Schlitzer, R.

(2009)
Impact of particle aggregation on vertical fluxes of organic matter ,

Progress in Oceanography, 83, 331-341, 83 , pp. 331-341 .

doi: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.

, Helmke, P. , Davenport, R. , Donner, B. , Neuer, S. and Wefer, G. (2007)
Mineral ballast and particle settling rates in the coastal upwelling system off NW Africa and the South Atlantic ,

International Journal of Earth Sciences. .

doi: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.

, Davenport, R. and Wefer, G. (2006)
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 .

hdl:10013/epic.28483

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Article

Karakas, G. , Nowald, N. , Blaas, M. , Marchesiello, P. , Frickenhaus, S.

and Schlitzer, R.

(2006)
High resolution modelling of sediment erosion and particle transport across the NW African shelf ,

Journal of geophysical research-oceansC06025), 111 .

doi: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: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: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:10.1016/S0399-1784(02)01185-4 , hdl:10013/epic.20514

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Inbook

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

Conference

Conference -Talk

Fischer, G. , Karakas, G. , Schlitzer, R.

, Nowald, N. and Wefer, G. (2008)
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. .

hdl:10013/epic.30636

Conference -Talk

Karakas, G. , Schäfer-Neth, C.

, Fischer, G. , Nowald, N. , Marchesiello, P. and Schlitzer, R.

(2008)
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. .

hdl:10013/epic.30635

Conference -Poster

Karakas, G. , Fischer, G. , Marchesiello, P. and Schlitzer, R.

(2007)
Organic carbon export in the NW African high productivity zone ,

Geophysical Research Abstracts 9 .

hdl:10013/epic.27829

Conference -Talk

Karakas, G. and Schlitzer, R.

(2007)
Performance of high resolution oceanic (ROMS) and atmospheric (WRF) models on HLRN Supercomputing Platform ,

BremHLR- Begutachtungsveranstaltung, 11.12.2007, Haus der Wissenschaft, Bremen. .

hdl:10013/epic.30673

Conference -Poster

Karakas, G. , Blaas, M. , Marchesiello, P. and Schlitzer, R.

(2006)
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

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

Conference -Poster

Karakas, G. , Marchesiello, P. , Nowald, N. and Schlitzer, R.

(2005)
Particle fluxes in the coastal upwelling zone off north-west Africa ,

EGU General Assembly 2005, Geophysical Research Abstracts .

hdl:10013/epic.24615

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

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

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

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

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 .

hdl:10013/epic.20517

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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