Zobrazeno 1 - 10 of 14 pro vyhledávání: '"Lise Seland Graff"'
1
Devising storylines of Arctic climate change from a large ensemble of CMIP6 models
Autor: Xavier Levine, Ryan Williams, Lise Seland Graff, Priscilla Mooney
While polar amplification has been established as a defining feature of Arctic climate change, poor quantitative agreement among models remains when assessing its magnitude and spatial pattern. Here, we apply the storyline approach to a large ensembl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::511b9284b1221e63f4188d2422a14caf
https://doi.org/10.5194/egusphere-egu23-7398
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2
Evaluating CMIP6 models with a simple climatology score
Autor: Lise Seland Graff, Oskar Landgren, Kajsa Parding
When investigating multi-model ensembles it can be useful to evaluate model performance to make sure that the historical climate of the fields of interest is captured to a satisfactory degree. To this end we define a simple climatology score, based o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6f013e29cba5517163d32920b19d46e2
https://doi.org/10.5194/egusphere-egu23-15104
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3
Relative impacts of sea ice loss and atmospheric internal variability on winter Arctic to East Asian surface air temperature based on large-ensemble simulations with NorESM2
Autor: Shengping He, Helge Drange, Tore Furevik, Huijun Wang, Ke Fan, Lise Seland Graff, Yvan Orsolini
To quantify the relative contributions of Arctic sea ice and unforced atmospheric internal variability to “warm Arctic, cold East Asia” (WACE), this study analyses three sets of large-ensemble simulations carried out by the Norwegian Earth System
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::339cb5fa9bf88f3e2b32a9c251ecac65
https://doi.org/10.5194/egusphere-egu23-15812
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4
Arctic amplification under global warming of 1.5 and 2 °C in NorESM1-Happi
Autor: Alf Kirkevåg, Dirk Jan Leo Oliviè, Mats Bentsen, Øyvind Seland, Jens Boldingh Debernard, Ingo Bethke, Lise Seland Graff, Camille Li, Trond Iversen
Publikováno v: Earth System Dynamics, Vol 10, Pp 569-598 (2019)
Earth System Dynamics
Differences between a 1.5 and 2.0 ∘C warmer climate than 1850 pre-industrial conditions are investigated using a suite of uncoupled (Atmospheric Model Intercomparison Project; AMIP), fully coupled, and slab-ocean experiments performed with Norweg
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7e3481aca2a1dcc367280c7817aa7f3
https://doi.org/10.5194/esd-10-569-2019
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8
Changes in extremely hot days under stabilized 1.5 and 2.0 °C global warming scenarios as simulated by the HAPPI multi-model ensemble
Autor: Dáithí Stone, Lise Seland Graff, Michael Wehner, Hideo Shiogama, Benjamin M. Sanderson, Ludwig Lierhammer, Dann Mitchell, Erich M. Fischer, Harinarayan Krishnan, Viatcheslav Kharin
Publikováno v: Earth System Dynamics, 9 (1)
Wehner, M, Stone, D, Mitchell, D, Shiogama, H, Fischer, E, Graff, L S, Kharin, V V, Lierhammer, L, Sanderson, B & Krishnan, H 2018, ' Changes in extremely hot days under stabilized 1.5 °C and 2.0 °c global warming scenarios as simulated by the HAPPI multi-model ensemble ', Earth System Dynamics, vol. 9, no. 1, pp. 299-311 . https://doi.org/10.5194/esd-9-299-2018
Earth System Dynamics, Vol 9, Pp 299-311 (2018)
Wehner, M; Stone, D; Mitchell, D; Shiogama, H; Fischer, E; Graff, LS; et al.(2018). Changes in extremely hot days under stabilized 1.5 and 2.0 °c global warming scenarios as simulated by the HAPPI multi-model ensemble. Earth System Dynamics, 9(1), 299-311. doi: 10.5194/esd-9-299-2018. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/50g3v14t
Earth System Dynamics, vol 9, iss 1
The half a degree additional warming, prognosis and projected impacts (HAPPI) experimental protocol provides a multi-model database to compare the effects of stabilizing anthropogenic global warming of 1.5 °C over preindustrial levels to 2.0 °C ove
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae8d5f2d66ecdf96ec257e18ffda4c20
https://hdl.handle.net/20.500.11850/256144
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9
Relative Dispersion in the Atmosphere from Reanalysis Winds
Autor: Joseph H. LaCasce, S. Guttu, Lise Seland Graff
Publikováno v: Journal of the Atmospheric Sciences. 72:2769-2785
The dispersion of pairs of synthetic particles, advected with ECMWF winds, is examined. The particles were deployed at three latitudes and on three potential temperature surfaces in both hemispheres. Separation statistics are calculated and evaluated
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c39dbfdf95bbbd0b94c02fdc91fe93b
https://doi.org/10.1175/jas-d-14-0225.1
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10
The NorESM1-Happi used for evaluating differences between a global warming of 1.5 °C and 2 °C, and the role of Arctic Amplification
Autor: Øyvind Seland, Mats Bentsen, Trond Iversen, Camille Li, Lise Seland Graff, Dirk Jan Leo Oliviè, Jens Boldingh Debernard, Ingo Bethke, Alf Kirkevåg
Abstract. The global NorESM1-M model that produced results for CMIP5 (http://cmip-pcmdi.llnl.gov/cmip5/index.html) has been slightly upgraded to NorESM1-Happi, and has been run with double resolution (~ 1° in the atmosphere and the land surface) to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0472098239ae9b52ee55b420e00d1bd5
https://doi.org/10.5194/esd-2017-115
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