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Cristin-resultat-ID:
1358706
Sist endret:
27. oktober 2016, 14:05
Resultat
Vitenskapelig foredrag
2000
The predestined fate
Harald Yndestad
Presentasjon
Presentasjon
Navn på arrangementet: The 18th International Conference of The System Dynamics Society August 6-10, 2000. Bergen, Norway
Sted: Brgen
Dato fra:
6. august 2000
Dato til:
10. august 2000
Arrangør:
Arrangørnavn: The System Dynamics Society
Om resultatet
Om resultatet
Vitenskapelig foredrag
Publiseringsår: 2000
Beskrivelse
Beskrivelse
Engelsk
Tittel
The predestined fate
Sammendrag
The paper presents a system dynamics theory of the influence of the Earth’s nutation on management of Northeast arctic cod. According to this theory the Earth’s axis dynamically behaves as a forced oscillator on a non-linear sea system that modulates a set of harmonic and sub harmonic low frequency temperature cycles in the sea system. The paper reports a correlation between time harmonic cycles of the 18.6 year Earth nutation and the temperature system and the biological system in the Barents Sea. The influence from the Earth nutation is explained by a general systems theory where modulated temperature cycles are forced oscillators on the biological system in the Barents Sea. The system dynamics of the biological system are synchronized to the temperature cycle and amplified by a biological stochastic resonance to the food systems. A stochastic resonance of 18.6/3=6.2 yr between the management and the biomass dynamics introduces an unstable biomass.
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Bidragsytere
Bidragsytere
Harald Yndestad
Forfatter
ved Institutt for IKT og realfag ved Norges teknisk-naturvitenskapelige universitet
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