Comment on "Scaling of atmosphere and ocean temperature correlations in observations and climate models"
In a recent letter [K. Fraedrich and R. Blender, Phys. Rev. Lett. 90, 108501 (2003)], Fraedrich and Blender studied the scaling of atmosphere and ocean temperature. They analyzed the fluctuation functions F(s) ~ s^alpha of monthly temperature records (mostly from grid data) by using the detrended fl...
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| creator | Bunde, Armin Eichner, Jan F Havlin, Shlomo Koscielny-Bunde, Eva Schellnhuber, Hans J Vjushin, Dmitry |
| description | In a recent letter [K. Fraedrich and R. Blender, Phys. Rev. Lett. 90, 108501
(2003)], Fraedrich and Blender studied the scaling of atmosphere and ocean
temperature. They analyzed the fluctuation functions F(s) ~ s^alpha of monthly
temperature records (mostly from grid data) by using the detrended fluctuation
analysis (DFA2) and claim that the scaling exponent alpha over the inner
continents is equal to 0.5, being characteristic of uncorrelated random
sequences. Here we show that this statement is (i) not supported by their own
analysis and (ii) disagrees with the analysis of the daily observational data
from which the grid monthly data have been derived. We conclude that also for
the inner continents, the exponent is between 0.6 and 0.7, similar as for the
coastline-stations. |
| doi_str_mv | 10.48550/arxiv.physics/0305080 |
| format | Article |
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(2003)], Fraedrich and Blender studied the scaling of atmosphere and ocean
temperature. They analyzed the fluctuation functions F(s) ~ s^alpha of monthly
temperature records (mostly from grid data) by using the detrended fluctuation
analysis (DFA2) and claim that the scaling exponent alpha over the inner
continents is equal to 0.5, being characteristic of uncorrelated random
sequences. Here we show that this statement is (i) not supported by their own
analysis and (ii) disagrees with the analysis of the daily observational data
from which the grid monthly data have been derived. We conclude that also for
the inner continents, the exponent is between 0.6 and 0.7, similar as for the
coastline-stations.</description><identifier>DOI: 10.48550/arxiv.physics/0305080</identifier><language>eng</language><subject>Physics - Atmospheric and Oceanic Physics ; Physics - Data Analysis, Statistics and Probability ; Physics - Statistical Mechanics</subject><creationdate>2003-05</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,776,881</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/physics/0305080$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.physics/0305080$$DView paper in arXiv$$Hfree_for_read</backlink><backlink>$$Uhttps://doi.org/10.1103/PhysRevLett.92.039801$$DView published paper (Access to full text may be restricted)$$Hfree_for_read</backlink></links><search><creatorcontrib>Bunde, Armin</creatorcontrib><creatorcontrib>Eichner, Jan F</creatorcontrib><creatorcontrib>Havlin, Shlomo</creatorcontrib><creatorcontrib>Koscielny-Bunde, Eva</creatorcontrib><creatorcontrib>Schellnhuber, Hans J</creatorcontrib><creatorcontrib>Vjushin, Dmitry</creatorcontrib><title>Comment on "Scaling of atmosphere and ocean temperature correlations in observations and climate models"</title><description>In a recent letter [K. Fraedrich and R. Blender, Phys. Rev. Lett. 90, 108501
(2003)], Fraedrich and Blender studied the scaling of atmosphere and ocean
temperature. They analyzed the fluctuation functions F(s) ~ s^alpha of monthly
temperature records (mostly from grid data) by using the detrended fluctuation
analysis (DFA2) and claim that the scaling exponent alpha over the inner
continents is equal to 0.5, being characteristic of uncorrelated random
sequences. Here we show that this statement is (i) not supported by their own
analysis and (ii) disagrees with the analysis of the daily observational data
from which the grid monthly data have been derived. We conclude that also for
the inner continents, the exponent is between 0.6 and 0.7, similar as for the
coastline-stations.</description><subject>Physics - Atmospheric and Oceanic Physics</subject><subject>Physics - Data Analysis, Statistics and Probability</subject><subject>Physics - Statistical Mechanics</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNqNjsEKwjAQRHPxIOovyFK82kZqofeieNd7WePWBpJsSGKxf2-VfoCnYYY38ITYHmR-rKtKFhjeesh9P0atYiFLWclaLkXfsLXkErCD7KrQaPcE7gCT5eh7CgToHsCK0EEi6ylgek2r4hDIYNLsImgHfI8Uhrl_L8poi4nA8oNMzNZi0aGJtJlzJXbn06257H9irQ8THcZ2FmxnwfJP7ANEfE2v</recordid><startdate>20030519</startdate><enddate>20030519</enddate><creator>Bunde, Armin</creator><creator>Eichner, Jan F</creator><creator>Havlin, Shlomo</creator><creator>Koscielny-Bunde, Eva</creator><creator>Schellnhuber, Hans J</creator><creator>Vjushin, Dmitry</creator><scope>GOX</scope></search><sort><creationdate>20030519</creationdate><title>Comment on "Scaling of atmosphere and ocean temperature correlations in observations and climate models"</title><author>Bunde, Armin ; Eichner, Jan F ; Havlin, Shlomo ; Koscielny-Bunde, Eva ; Schellnhuber, Hans J ; Vjushin, Dmitry</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-arxiv_primary_physics_03050803</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Physics - Atmospheric and Oceanic Physics</topic><topic>Physics - Data Analysis, Statistics and Probability</topic><topic>Physics - Statistical Mechanics</topic><toplevel>online_resources</toplevel><creatorcontrib>Bunde, Armin</creatorcontrib><creatorcontrib>Eichner, Jan F</creatorcontrib><creatorcontrib>Havlin, Shlomo</creatorcontrib><creatorcontrib>Koscielny-Bunde, Eva</creatorcontrib><creatorcontrib>Schellnhuber, Hans J</creatorcontrib><creatorcontrib>Vjushin, Dmitry</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Bunde, Armin</au><au>Eichner, Jan F</au><au>Havlin, Shlomo</au><au>Koscielny-Bunde, Eva</au><au>Schellnhuber, Hans J</au><au>Vjushin, Dmitry</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comment on "Scaling of atmosphere and ocean temperature correlations in observations and climate models"</atitle><date>2003-05-19</date><risdate>2003</risdate><abstract>In a recent letter [K. Fraedrich and R. Blender, Phys. Rev. Lett. 90, 108501
(2003)], Fraedrich and Blender studied the scaling of atmosphere and ocean
temperature. They analyzed the fluctuation functions F(s) ~ s^alpha of monthly
temperature records (mostly from grid data) by using the detrended fluctuation
analysis (DFA2) and claim that the scaling exponent alpha over the inner
continents is equal to 0.5, being characteristic of uncorrelated random
sequences. Here we show that this statement is (i) not supported by their own
analysis and (ii) disagrees with the analysis of the daily observational data
from which the grid monthly data have been derived. We conclude that also for
the inner continents, the exponent is between 0.6 and 0.7, similar as for the
coastline-stations.</abstract><doi>10.48550/arxiv.physics/0305080</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - Atmospheric and Oceanic Physics Physics - Data Analysis, Statistics and Probability Physics - Statistical Mechanics |
| title | Comment on "Scaling of atmosphere and ocean temperature correlations in observations and climate models" |
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