Search Results - "Samset, B"

Delayed emergence of a global temperature response after emission mitigation by Samset, B. H., Fuglestvedt, J. S., Lund, M. T.

“…A major step towards achieving the goals of the Paris agreement would be a measurable change in the evolution of global warming in response to mitigation of…”
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Frequency of extreme precipitation increases extensively with event rareness under global warming by Myhre, G., Alterskjær, K., Stjern, C. W., Hodnebrog, Ø., Marelle, L., Samset, B. H., Sillmann, J., Schaller, N., Fischer, E., Schulz, M., Stohl, A.

“…The intensity of the heaviest extreme precipitation events is known to increase with global warming. How often such events occur in a warmer world is however…”
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Climate response to externally mixed black carbon as a function of altitude by Samset, B. H., Myhre, G.

“…The climate response to the presence of black carbon (BC) aerosol at a given altitude in the atmosphere is investigated using a global circulation model. The…”
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Understanding Rapid Adjustments to Diverse Forcing Agents by Smith, C. J., Kramer, R. J., Myhre, G., Forster, P. M., Soden, B. J., Andrews, T., Boucher, O., Faluvegi, G., Fläschner, D., Hodnebrog, Ø., Kasoar, M., Kharin, V., Kirkevåg, A., Lamarque, J.‐F., Mülmenstädt, J., Olivié, D., Richardson, T., Samset, B. H., Shindell, D., Stier, P., Takemura, T., Voulgarakis, A., Watson‐Parris, D.

“…Rapid adjustments are responses to forcing agents that cause a perturbation to the top of atmosphere energy budget but are uncoupled to changes in surface…”
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Climate Impacts From a Removal of Anthropogenic Aerosol Emissions by Samset, B. H., Sand, M., Smith, C. J., Bauer, S. E., Forster, P. M., Fuglestvedt, J. S., Osprey, S., Schleussner, C.‐F.

“…Limiting global warming to 1.5 or 2.0°C requires strong mitigation of anthropogenic greenhouse gas (GHG) emissions. Concurrently, emissions of anthropogenic…”
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Drivers of Precipitation Change: An Energetic Understanding by Richardson, T. B., Forster, P. M., Andrews, T., Boucher, O., Faluvegi, G., Fläschner, D., Hodnebrog, Ø., Kasoar, M., Kirkevåg, A., Lamarque, J.-F., Myhre, G., Olivié, D., Samset, B. H., Shawki, D., Shindell, D., Takemura, T., Voulgarakis, A.

“…The response of the hydrological cycle to climate forcings can be understood within the atmospheric energy budget framework. In this study precipitation and…”
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Standard climate models radiation codes underestimate black carbon radiative forcing by Myhre, G, Samset, B. H

“…Radiative forcing (RF) of black carbon (BC) in the atmosphere is estimated using radiative transfer codes of various complexities. Here we show that the…”
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Radiative forcing of the direct aerosol effect from AeroCom Phase II simulations by Myhre, G, Samset, B. H, Schulz, M, Balkanski, Y, Bauer, S, Berntsen, T. K, Bian, H, Bellouin, N, Chin, M, Diehl, T, Easter, R. C, Feichter, J, Ghan, S. J, Hauglustaine, D, Iversen, T, Kinne, S, Kirkevåg, A, Lamarque, J.-F, Lin, G, Liu, X, Lund, M. T, Luo, G, Ma, X, van Noije, T, Penner, J. E, Rasch, P. J, Ruiz, A, Seland, Ã, Skeie, R. B, Stier, P, Takemura, T, Tsigaridis, K, Wang, P, Wang, Z, Xu, L, Yu, H, Yu, F, Yoon, J.-H, Zhang, K, Zhang, H, Zhou, C

“…We report on the AeroCom Phase II direct aerosol effect (DAE) experiment where 16 detailed global aerosol models have been used to simulate the changes in the…”
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Fast and slow precipitation responses to individual climate forcers: A PDRMIP multimodel study by Samset, B. H., Myhre, G., Forster, P. M., Hodnebrog, Ø., Andrews, T., Faluvegi, G., Fläschner, D., Kasoar, M., Kharin, V., Kirkevåg, A., Lamarque, J.‐F., Olivié, D., Richardson, T., Shindell, D., Shine, K. P., Takemura, T., Voulgarakis, A.

“…Precipitation is expected to respond differently to various drivers of anthropogenic climate change. We present the first results from the Precipitation Driver…”
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Sensible Heat Has Significantly Affected the Global Hydrological Cycle Over the Historical Period by Myhre, G., Samset, B. H., Hodnebrog, Ø., Andrews, T., Boucher, O., Faluvegi, G., Fläschner, D., Forster, P.M., Kasoar, M., Kharin, V., Kirkevåg, A., Lamarque, J.-F., Olivie, D., Richardson, T.B., Shawki, D., Shindell, D., Shine, K.P., Stjern, C.W., Takemura, T., Voulgarakis, A.

“…Globally, latent heating associated with a change in precipitation is balanced by changes to atmospheric radiative cooling and sensible heat fluxes. Both…”
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Host model uncertainties in aerosol radiative forcing estimates: results from the AeroCom Prescribed intercomparison study by Stier, P, Schutgens, N. A. J, Bellouin, N, Bian, H, Boucher, O, Chin, M, Ghan, S, Huneeus, N, Kinne, S, Lin, G, Ma, X, Myhre, G, Penner, J. E, Randles, C. A, Samset, B, Schulz, M, Takemura, T, Yu, F, Yu, H, Zhou, C

“…Simulated multi-model "diversity" in aerosol direct radiative forcing estimates is often perceived as a measure of aerosol uncertainty. However, current models…”
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A PDRMIP Multimodel Study on the Impacts of Regional Aerosol Forcings on Global and Regional Precipitation by Liu, L., Shawki, D., Voulgarakis, A., Kasoar, M., Samset, B. H., Myhre, G., Forster, P. M., Hodnebrog, Ø., Sillmann, J., Aalbergsjø, S. G., Boucher, O., Faluvegi, G., Iversen, T., KirkevåG, A., Lamarque, J.-F., Olivié, D., Richardson, T., Shindell, D., Takemura, T.

“…Atmospheric aerosols such as sulfate and black carbon (BC) generate inhomogeneous radiative forcing and can affect precipitation in distinct ways compared to…”
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Earlier emergence of a temperature response to mitigation by filtering annual variability by Samset, B. H., Zhou, C., Fuglestvedt, J. S., Lund, M. T., Marotzke, J., Zelinka, M. D.

“…The rate of global surface warming is crucial for tracking progress towards global climate targets, but is strongly influenced by interannual-to-decadal…”
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Modelled black carbon radiative forcing and atmospheric lifetime in AeroCom Phase II constrained by aircraft observations by Samset, B. H, Myhre, G, Herber, A, Kondo, Y, Li, S.-M, Moteki, N, Koike, M, Oshima, N, Schwarz, J. P, Balkanski, Y, Bauer, S. E, Bellouin, N, Berntsen, T. K, Bian, H, Chin, M, Diehl, T, Easter, R. C, Ghan, S. J, Iversen, T, Kirkevåg, A, Lamarque, J.-F, Lin, G, Liu, X, Penner, J. E, Schulz, M, Seland, Ã, Skeie, R. B, Stier, P, Takemura, T, Tsigaridis, K, Zhang, K

“…Atmospheric black carbon (BC) absorbs solar radiation, and exacerbates global warming through exerting positive radiative forcing (RF). However, the…”
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Black carbon vertical profiles strongly affect its radiative forcing uncertainty by Samset, B. H, Myhre, G, Schulz, M, Balkanski, Y, Bauer, S, Berntsen, T. K, Bian, H, Bellouin, N, Diehl, T, Easter, R. C, Ghan, S. J, Iversen, T, Kinne, S, Kirkevåg, A, Lamarque, J.-F, Lin, G, Liu, X, Penner, J. E, Seland, Ã, Skeie, R. B, Stier, P, Takemura, T, Tsigaridis, K, Zhang, K

“…The impact of black carbon (BC) aerosols on the global radiation balance is not well constrained. Here twelve global aerosol models are used to show that at…”
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Global-scale seasonally resolved black carbon vertical profiles over the Pacific by Schwarz, J. P., Samset, B. H., Perring, A. E., Spackman, J. R., Gao, R. S., Stier, P., Schulz, M., Moore, F. L., Ray, Eric A., Fahey, D. W.

“…Black carbon (BC) aerosol loadings were measured during the High‐performance Instrumented Airborne Platform for Environmental Research Pole‐to‐Pole…”
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PDRMIP: A Precipitation Driver and Response Model Intercomparison Project—Protocol and Preliminary Results by Myhre, G., Forster, P. M., Samset, B. H., Hodnebrog, Ø., Sillmann, J., Aalbergsjø, S. G., Andrews, T., Boucher, O., Faluvegi, G., Fläschner, D., Iversen, T., Kasoar, M., Kharin, V., Kirkevåg, A., Lamarque, J.-F., Olivié, D., Richardson, T. B., Shindell, D., Shine, K. P., Stjern, C. W., Takemura, T., Voulgarakis, A., Zwiers, F.

“…As the global temperature increases with changing climate, precipitation rates and patterns are affected through a wide range of physical mechanisms. The…”
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Carbon Dioxide Physiological Forcing Dominates Projected Eastern Amazonian Drying by Richardson, T. B., Forster, P. M., Andrews, T., Boucher, O., Faluvegi, G., Fläschner, D., Kasoar, M., Kirkevåg, A., Lamarque, J.‐F., Myhre, G., Olivié, D., Samset, B. H., Shawki, D., Shindell, D., Takemura, T., Voulgarakis, A.

“…Future projections of east Amazonian precipitation indicate drying, but they are uncertain and poorly understood. In this study we analyze the Amazonian…”
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Short-lived climate forcers from current shipping and petroleum activities in the Arctic by Ødemark, K, Dalsøren, S. B, Samset, B. H, Berntsen, T. K, Fuglestvedt, J. S, Myhre, G

“…Emissions of short-lived climate forcers (SLCF) in the Arctic region are expected to increase, notably from shipping and petroleum extraction. We here discuss…”
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The Southern Hemisphere Midlatitude Circulation Response to Rapid Adjustments and Sea Surface Temperature Driven Feedbacks by Wood, T., Maycock, A. C., Forster, P. M., Richardson, T. B., Andrews, T., Boucher, O., Myhre, G., Samset, B. H., Kirkevåg, A., Lamarque, J.-F., Mülmenstädt, J., Olivié, D., Takemura, T., Watson-Parris, D.

“…Rapid adjustments—the response of meteorology to external forcing while sea surface temperatures (SST) and sea ice are held fixed—can affect the midlatitude…”
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