Helge Drange

Details der Publikationsliste

Zeitraum

1994 - 2009

Anzahl

49

Co-Autoren

Inception of the Northern European Ice Sheet due to contrasting ocean and (2007)

Risebrobakken, Bjørg, Dokken, Trond M., Otterå, Odd Helge, Jansen, Eystein, Gao, Yongqi, Drange, Helge

About 115,000 years ago the last interglacial reached its terminus and nucleation of new ice sheet growth was initiated. Evidence from the northernmost Nordic Seas indicate that the inception of the...

Formation and export of deep water in the Labrador and Irminger Seas in a GCM (2006)

Deshayes, Julie, Frankignoul, Claude, Drange, Helge

Author Posting. © Elsevier B.V., 2006. This is the author's version of the work. It is posted here by permission of Elsevier B.V. for personal use, not for redistribution. The definitive version was...

Diapycnal Mixing in a Conceptual Model of the Atlantic Meridional Overturning Circulation (2005)

Marzeion, Ben, Drange, Helge

A three-box model of the Atlantic Ocean is used to examine the influence different parameterisations of the diapycnal mixing may have on the large scale dynamics of the ocean circulation. Special...

Effects of simulated natural variability on Arctic temperature projections (2005)

Sorteberg, Asgeir, Furevik, Tore, Drange, Helge, Kvamstø, Nils Gunnar

A five-member ensemble with a coupled atmosphere-sea ice-ocean model is used to examine the effects of natural variability on climate projections for the Arctic. The individual ensemble members are...

Effects of simulated natural variability on Arctic temperature (2005)

Sorteberg, Asgeir, Furevik, Tore, Drange, Helge, Kvamstø, Nils Gunnar

A five-member ensemble with a coupled atmospheresea ice-ocean model is used to examine the effects of natural variability on climate projections for the Arctic. The individual ensemble members are...

Tracer-derived transit time of the waters in the eastern Nordic Seas (2005)

Gao, Yongqi, Drange, Helge, Bentsen, Mats, Johannessen, Ola M.

The spatial-temporal distribution of the anthropogenic radionuclide 137Cs originating from nuclear bomb testing and the Sellafield reprocessing plant in the Irish Sea is simulated using a global...

Modeling the middle Pliocene climate with a global atmospheric (2005)

Jiang, Dabang, Wang, Huijun, Ding, Zhongli, Lang, X., Drange, Helge

A new climate simulation for the middle Pliocene (ca. 3 Ma BP) is performed by a global grid-point atmospheric general circulation model developed at the Institute of Atmospheric Physics (IAP AGCM)...

Modeling the middle Pliocene climate with a global atmospheric general circulation model (2005)

Jiang, Dabang, Wang, Huijun, Ding, Zhongli, Lang, X., Drange, Helge

A new climate simulation for the middle Pliocene (ca. 3 Ma BP) is performed by a global grid-point atmospheric general circulation model developed at the Institute of Atmospheric Physics (IAP AGCM)...

The North Atlantic Oscillation and greenhouse-gas forcing (2005)

Kuzmina,Svetlana I., Bengtsson,Lennart, Johannessen,Ola M., Drange,Helge, Bobylev,Leonid P., Miles,Martin W.

The results of 12 coupled climate models participating in the Coupled Model Intercomparison Project (CMIP2) are compared together with observational data in order to investigate: 1) How the current...

The North Atlantic Oscillation and greenhouse-gas forcing (2005)

Kuzmina, Svetlana I., Bengtsson, Lennart, Johannessen, Ola M., Drange, Helge, Bobylev, Leonid P., Miles, Martin W.

The results of 12 coupled climate models participating in the Coupled Model Intercomparison Project (CMIP2) are compared together with observational data in order to investigate: 1) How the current...

The North Atlantic Oscillation and greenhouse-gas forcing (2005)

Kuzmina, Svetlana I., Bengtsson, Lennart, Johannessen, Ola M., Drange, Helge, Bobylev, Leonid P., Miles, Martin W.

The results of 12 coupled climate models participating in the Coupled Model Intercomparison Project (CMIP2) are compared together with observational data in order to investigate: 1) How the current...

A preliminary study on the relationship between Arctic Oscillation and daily SLP variance in the Northern hemisphere during wintertime (2005)

Gong, Daoyi, Drange, Helge

In the present study, the authors investigated the relationship between the Arctic Oscillation (AO) and the high-frequency variability of daily sea level pressures in the Northern Hemisphere in...

Seasonal to Decadal Temperature Variations in the Faroe-Shetland Inflow Waters (2005)

Hátún, Hjalmar, Sandø, Anne Britt, Drange, Helge, Bentsen, Mats

A 53 years hind-cast simulation with a regional version of the Nansen Center version of the Miami Isopycnic Coordinate Ocean Model (MICOM) has been conducted to explore the nature of the observed...

The North Atlantic Oscillation and greenhouse-gas forcing (2005)

Kuzmina, Svetlana I., Bengtsson, Lennart, Johannessen, Ola M., Drange, Helge, Bobylev, Leonid P., Miles, Martin W.

The results of 12 coupled climate models participating in the Coupled Model Intercomparison Project (CMIP2) are compared together with observational data in order to investigate: 1) How the current...

Evaluating Global Ocean Carbon Models: The Importance of Realistic Physics (2004)

Doney, S. C., Lindsay, K., Caldeira, Ken, Campin, J. M., Drange, Helge, Dutay, J. C., ...

A suite of standard ocean hydrographic and circulation metrics are applied to the equilibrium physical solutions from 13 global carbon models participating in phase 2 of the Ocean Carbon-cycle Model...

Transient response of the Atlantic Meridional Overturning Circulation to enhanced freshwater input to the Nordic Seas–Arctic Ocean in the Bergen Climate Model (2004)

Otterå, Odd Helge, Drange, Helge, Bentsen, Mats, Kvamstø, Nils Gunnar, Jiang, Dabang

The transient response of the climate system to anomalously large freshwater input to the high latitude seas is examined using the newly developed Bergen Climate Model. A 150-yr twin-experiment has...

Simulated variability of the Atlantic meridional overturning circulation (2004)

Bentsen, Mats, Drange, Helge, Furevik, T., Zhou, Tianjun

To examine the multi-annual to decadal scale variability of the Atlantic Meridional Overturning Circulation (AMOC) we conducted a four-member ensemble with a daily reanalysis forced,...

Simulated variability of the Atlantic meridional overturning circulation (2004)

Bentsen, Mats, Drange, Helge, Furevik, Tore, Zhou, Tianjun

To examine the multi-annual to decadal scale variability of the Atlantic Meridional Overturning Circulation (AMOC), a four-member ensemble with a daily reanalysis forced, medium-resolution global...

Evaluation of ocean carbon cycle models with data-based metrics (2004)

Matsumoto, K., Sarmiento, J. L., Key, R. M., Aumont, O., Bullister, J. L., Caldeira, Ken, ...

New radiocarbon and chlorofluorocarbon-11 data from the World Ocean Circulation Experiment are used to assess a suite of 19 ocean carbon cycle models. We use the distributions and inventories of...

Evaluation of ocean carbon cycle models with data-based metrics (2004)

Matsumoto, K., Sarmiento, J. L., Key, R. M., Aumont, O., Bullister, J. L., Caldeira, Ken, ...

New radiocarbon and chlorofluorocarbon-11 data from the World Ocean Circulation Experiment are used to assess a suite of 19 ocean carbon cycle models. We use the distributions and inventories of...

A Possible Feedback Mechanism Involving the Arctic Freshwater, the Arctic Sea Ice, and the North Atlantic Drift (2004)

Otterå, Odd Helge, Drange, Helge

Model studies point to enhanced warming and to increased freshwater fluxes to high northern latitudes in response to global warming. In order to address possible feedbacks in the ice-ocean system in...

An intercomparison between the surface heat flux feedback in five coupled models, COADS and the NCEP reanalysis (2004)

Frankignoul, C., Kestenare, E., Botzet, M., Carril, A. F., Drange, Helge, Pardaens, A., ...

The surface heat flux feedback is estimated in the Atlantic and the extra-tropical Indo-Pacific, using monthly heat flux and sea surface temperature anomaly data from control simulations with...

The Effect of Diapycnal Mixing on the Ventilation and CFC-11 Uptake in the Southern Ocean (2004)

Gao, Yongqi, Drange, Helge

The Miami Isopycnic Coordinate Ocean Model (MICOM) is used to investigate the effect of diapycnal mixing on the oceanic uptake of CFC-11 and the ventilation of the surface waters in the Southern...

Effects of solar irradiance forcing on the ocean circulation and sea-ice in the North Atlantic in an isopycnic coordinate ocean general circulation model (2004)

Otterå, Odd Helge, Drange, Helge

The sensitivity of the ocean circulation to changes in solar irradiance is examined using an isopycnic coordinate, global ocean general circulation model (OGCM) coupled to a thermodynamic/dynamic...

Simulating transport of non-Chernobyl 137Cs and 90Sr in the North Atlantic–Arctic region (2004)

Gao, Yongqi, Drange, Helge, Bentsen, Mats, Johannessen, Ola M.

The spatial and temporal distributions of the anthropogenic radionuclides 137Cs and 90Sr, originating from nuclear bomb testing and the Sellafield reprocessing plants in the Irish Sea, are simulated...

Effects of solar irradiance forcing on the ocean circulation and sea-ice in the North Atlantic in an isopycnic coordinate ocean general circulation model (2003)

Otterå, Odd Helge, Drange, Helge

The sensitivity of the ocean circulation to changes in solar irradiance is examined using an isopycnic coordinate, global ocean general circulation model (OGCM) coupled to a thermodynamic/dynamic...

The sensitivity of the present-day Atlantic meridional overturning circulation to freshwater forcing (2003)

Otterå, Odd Helge, Drange, Helge, Bentsen, Mats, Kvamstø, N. G., Jiang, Dabang

Mounting evidence indicates that the Atlantic Meridional Overturning Circulation (AMOC) was strongly reduced during cold climate episodes in the past, possible due to freshwater influx from glacial...

The sensitivity of the present-day Atlantic meridional overturning circulation to freshwater forcing (2003)

Otterå, Odd Helge, Drange, Helge, Bentsen, Mats, Kvamstø, N. G., Jiang, Dabang

Mounting evidence indicates that the Atlantic Meridional Overturning Circulation (AMOC) was strongly reduced during cold climate episodes in the past, possible due to freshwater influx from glacial...

The sensitivity of the present day Atlantic meriodinal overturning circulation to freshwater forcing (2003)

Otterå, Odd Helge, Drange, Helge, Bentsen, Mats, Kvamstø, N. G., Jiang, Dabang

Mounting evidence indicates that the Atlantic Meridional Overturning Circulation (AMOC) was strongly reduced during cold climate episodes in the past, possible due to freshwater influx from glacial...

Description and evaluation of the Bergen climate model: ARPEGE coupled with MICOM (2003)

Furevik, T., Bentsen, Mats, Drange, Helge, Kindem, I. K. T., Kvamstø, N. G., Sorteberg, Asgeir

A new coupled atmosphere–ocean–sea ice model has been developed, named the Bergen Climate Model (BCM). It consists of the atmospheric model ARPEGE/IFS, together with a global version of the ocean...

Simulated North Atlantic-Nordic Seas water mass exchanges in an isopycnic coordinate OGCM (2003)

Nilsen, Jan Even Øie, Gao, Yongqi, Drange, Helge, Furevik, T., Bentsen, Mats

The variability in the volume exchanges between the North Atlantic and the Nordic Seas during the last 50 years is investigated using a synoptic forced, global version of the Miami Isopycnic...

Simulated North Atlantic-Nordic Seas water mass exchanges in an isopycnic coordinate OGCM (2003)

Nilsen, Jan Even Øie, Gao, Yongqi, Drange, Helge, Furevik, Tore, Bentsen, Mats

The variability in the volume exchanges between the North Atlantic and the Nordic Seas during the last 50 years is investigated using a synoptic forced, global version of the Miami Isopycnic...

Last Glacial Maximum over China: Sensitivities of climate to paleovegetation and Tibetan ice sheet (2003)

Jiang, Dabang, Wang, Huijun, Drange, Helge, Lang, X.

With the boundary conditions appropriate for the Last Glacial Maximum (LGM), including ice sheets, sea surface temperatures, sea-ice distribution, atmospheric CO2 concentration, the Earth’s orbital...

Effects of diapycnal and isopycnal mixing on the ventilation of CFCs in the North Atlantic in an isopycnic coordinate OGCM (2003)

Gao, Yongqi, Drange, Helge, Bentsen, Mats

Simulated distributions of the chlorofluorocarbons CFC-11 and CFC-12 are used to examine the ventilation of the North Atlantic Ocean in a global version of the Miami Isopycnic Coordinate Ocean Model...

Effects of diapycnal and isopycnal mixing on the ventilation of CFCs in the North Atlantic in an isopycnic coordinate OGCM (2003)

Gao, Yongqi, Drange, Helge, Bentsen, Mats

Simulated distributions of the chlorofluorocarbons CFC-11 and CFC-12 are used to examine the ventilation of the North Atlantic Ocean in a global version of the Miami Isopycnic Coordinate Ocean Model...

Temporal and spatial variability of the sea surface salinity in the Nordic Seas (2002)

Furevik, Tore, Bentsen, Mats, Drange, Helge, Johannessen, Johnny A., Korablev, Alexander

In this paper, the temporal and spatial variability of the sea surface salinity (SSS) in the Nordic Seas is investigated. The data include a Russian hydrographical database for the Nordic Seas and...

Observing the Ocean from Space: Emerging Capabilities in Europe (2001)

Johannessen, Johnny A., Le Provost, Christian, Drange, Helge, Srokosz, Meric, Woodworth, Philip, Sclüssel, Peter, ...

Chap. 2.7 of "Observing the Oceans in the 21st Century, Chester J. Koblinsky and Neville R. Smith (Eds.)" http://www.bom.gov.au/GODAE/ocean_book.html

Ocean release of fossil fuel CO2: A case study (2001)

Drange, Helge, Alendal, Guttorm, Johannessen, Ola M.

The natural ocean uptake of the greenhouse gas CO2 can be accelerated by collecting and liquefying the gas from point sources, and by pumping it into the ocean at appropriate locations and at...

Annual carbon fluxes in the upper Greenland Sea based on measurements and a box-model approach (2000)

Anderson, Leif G., Drange, Helge, Chierici, M., Fransson, A., Johannessen, Truls, Skjelvan, I., ...

Measurements of nitrate and the carbonate system parameters performed mainly from 1993 to 1997 have been used to estimate the evolution of the concentration fields over the year in the surface and...

Data Assimilation for Coastal Zone Monitoring and Forecasting (1997)

Geir Evensen, Helge Drange

Introduction The need for better monitoring and modelling of the marine environment has increased dramatically in recent years, especially along coastal boundaries and shelf regions where human...

Modelling of deep-sea gravity currents using an integrated plume model (1994)

Alendal, Guttorm, Drange, Helge, Haugan, Peter Mosby

In: The Polar Oceans and Their Role in Shaping the Global Environment: The Nansen Centennial Volume pp 237-246