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Abstract: To stimulate the discussion about possible reasons for whale strandings, we suggest solar driven geomagnetic variations as one further explanation for this phenomenon. Following this hypothesis that whales may strand due to geomagnetic disturbances we compared annual means of stranding eve...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.621.2269 2023-05-15T17:59:22+02:00 Term Datasets Klaus Heinrich Vanselow Klaus Ricklefs Franciscus Colijn The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.621.2269 http://www.uni-kiel.de/ftzwest/ag2/mitarb/paper/Vanselow-et-al_2009_89TOMBJ.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.621.2269 http://www.uni-kiel.de/ftzwest/ag2/mitarb/paper/Vanselow-et-al_2009_89TOMBJ.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.uni-kiel.de/ftzwest/ag2/mitarb/paper/Vanselow-et-al_2009_89TOMBJ.pdf Strandings sperm whales sun spot cycle solar activity geomagnetic anomalies temperature anomalies North Sea text ftciteseerx 2016-01-08T15:00:55Z Abstract: To stimulate the discussion about possible reasons for whale strandings, we suggest solar driven geomagnetic variations as one further explanation for this phenomenon. Following this hypothesis that whales may strand due to geomagnetic disturbances we compared annual means of stranding event numbers of sperm whales (Physeter macrocephalus) along the North Sea coasts with yearly averaged numbers of geomagnetic anomaly intensities (aa-indices). Based on a Generalised Additive Model technique, our new approach suggests that over the last 400 years 20% of the stranding events can be correlated with aa-index variabilities. Furthermore, the increased stranding numbers of the last decades could be explained by the exceptional intensive disturbances of the earth’s magnetic field in the same period. Text Physeter macrocephalus Unknown |
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Strandings sperm whales sun spot cycle solar activity geomagnetic anomalies temperature anomalies North Sea |
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Strandings sperm whales sun spot cycle solar activity geomagnetic anomalies temperature anomalies North Sea Klaus Heinrich Vanselow Klaus Ricklefs Franciscus Colijn Term Datasets |
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Strandings sperm whales sun spot cycle solar activity geomagnetic anomalies temperature anomalies North Sea |
description |
Abstract: To stimulate the discussion about possible reasons for whale strandings, we suggest solar driven geomagnetic variations as one further explanation for this phenomenon. Following this hypothesis that whales may strand due to geomagnetic disturbances we compared annual means of stranding event numbers of sperm whales (Physeter macrocephalus) along the North Sea coasts with yearly averaged numbers of geomagnetic anomaly intensities (aa-indices). Based on a Generalised Additive Model technique, our new approach suggests that over the last 400 years 20% of the stranding events can be correlated with aa-index variabilities. Furthermore, the increased stranding numbers of the last decades could be explained by the exceptional intensive disturbances of the earth’s magnetic field in the same period. |
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The Pennsylvania State University CiteSeerX Archives |
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Text |
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Klaus Heinrich Vanselow Klaus Ricklefs Franciscus Colijn |
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Klaus Heinrich Vanselow Klaus Ricklefs Franciscus Colijn |
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Klaus Heinrich Vanselow |
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http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.621.2269 http://www.uni-kiel.de/ftzwest/ag2/mitarb/paper/Vanselow-et-al_2009_89TOMBJ.pdf |
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Physeter macrocephalus |
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Physeter macrocephalus |
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http://www.uni-kiel.de/ftzwest/ag2/mitarb/paper/Vanselow-et-al_2009_89TOMBJ.pdf |
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http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.621.2269 http://www.uni-kiel.de/ftzwest/ag2/mitarb/paper/Vanselow-et-al_2009_89TOMBJ.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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