Výsledky vyhledávání - "Gudrun Brattström"

Evaluation of simulated responses to climate forcings: a flexible statistical framework using confirmatory factor analysis and structural equation modelling – Part 1: Theory

Autor: Katarina Lashgari, Gudrun Brattström, Anders Moberg, Rolf Sundberg

Publikováno v: Advances in Statistical Climatology, Meteorology and Oceanography. 8:225-248

Evaluation of climate model simulations is a crucial task in climate research. Here, a new statistical framework is proposed for evaluation of simulated temperature responses to climate forcings against temperature reconstructions derived from climat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::051aaf328561b5c780513e0cd4a3d7da
https://doi.org/10.5194/ascmo-8-225-2022

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Evaluation of simulated responses to climate forcings: a flexible statistical framework using confirmatory factor analysis and structural equation modelling – Part 2: Numerical experiment

Autor: Katarina Lashgari, Anders Moberg, Gudrun Brattström

The performance of a new statistical framework, developed for the evaluation of simulated temperature responses to climate forcings against temperature reconstructions derived from climate proxy data for the last millennium, is evaluated in a so-call

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebd99bcb1e26d344ba8047b0290f79f7
https://ascmo.copernicus.org/articles/8/249/2022/

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Northern Hemisphere hydroclimate variability over the past twelve centuries

Autor: Fredrik Charpentier Ljungqvist, Paul J. Krusic, Eduardo Zorita, Gudrun Brattström, David Frank, Hanna S. Sundqvist

Publikováno v: Nature. 532:94-98

Accurate modelling and prediction of the local to continental-scale hydroclimate response to global warming is essential given the strong impact of hydroclimate on ecosystem functioning, crop yields, water resources, and economic security. However, u

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab00b6d12f847981cd1b6b11261f9009
https://doi.org/10.1038/nature17418

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Problems encountered when defining Arctic amplification as a ratio

Autor: Alistair Hind, Qiong Zhang, Gudrun Brattström

Publikováno v: Scientific Reports

In climate change science the term 'Arctic amplification' has become synonymous with an estimation of the ratio of a change in Arctic temperatures compared with a broader reference change under the same period, usually in global temperatures. Here, i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid_dedup__::3ed36dc63eb2b444d4e7fdb5e038b64f
http://europepmc.org/articles/PMC4962034

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Prediction intervals for climate reconstructions with autocorrelated noise—An analysis of ordinary least squares and measurement error methods

Autor: Anders Moberg, Gudrun Brattström

Publikováno v: Palaeogeography, Palaeoclimatology, Palaeoecology. 308:313-329

The estimation of past climate variations is a statistical prediction problem, where climate proxy data are calibrated against instrumental observations. Although noise is always present in both instrumental and proxy data, motivating the use of so-c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9b4552e0815ab519901fa775fa6644a
https://doi.org/10.1016/j.palaeo.2011.05.035

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Corrigendum to 'Climate change between the mid and late Holocene in northern high latitudes – Part 1: Survey of temperature and precipitation proxy data' published in Clim. Past, 6, 591–608, 2010

Autor: Anders Moberg, Qiong Zhang, Johan Nilsson, Gudrun Brattström, Heiner Körnich, Karin Holmgren, Hanna S. Sundqvist

Publikováno v: Climate of the Past, Vol 6, Iss 5, Pp 739-743 (2010)

th sentence The available reconstructions indicate that the north- ern high latitudes were warmer in both summer, winter and the annual mean temperature at the mid-Holocene

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6047861c8db163fcbda99279b575ab2d
http://www.clim-past.net/6/739/2010/cp-6-739-2010.pdf

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Climate change between the mid and late Holocene in northern high latitudes – Part 1: Survey of temperature and precipitation proxy data

Autor: Hanna S. Sundqvist, Qiong Zhang, Anders Moberg, Karin Holmgren, Heiner Körnich, Johan Nilsson, Gudrun Brattström

Publikováno v: Climate of the Past, Vol 6, Iss 5, Pp 591-608 (2010)
Climate Of The Past (1814-9324) (Copernicus Gesellschaft Mbh), 2010, Vol. 6, N. 5, P. 591-608

We undertake a study in two parts, where the overall aim is to quantitatively compare results from climate proxy data with results from several climate model simulations from the Paleoclimate Modelling Intercomparison Project for the mid-Holocene per

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b1ba9781cad9e7f86bfabc94121173a8
https://doi.org/10.5194/cp-6-591-2010

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Northern Hemisphere temperature patterns in the last 12 centuries

Autor: Hanna S. Sundqvist, Paul J. Krusic, Fredrik Charpentier Ljungqvist, Gudrun Brattström

Publikováno v: Climate Of The Past (1814-9324) (Copernicus Gesellschaft Mbh), 2012, Vol. 8, N. 1, P. 227-249
Climate of the Past, Vol 8, Iss 1, Pp 227-249 (2012)

We analyse the spatio-temporal patterns of temperature variability over Northern Hemisphere land areas, on centennial time-scales, for the last 12 centuries using an unprecedentedly large network of temperature-sensitive proxy records. Geographically

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ca2becbade3c218321be8cc5f284310
https://archimer.ifremer.fr/doc/00274/38498/

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