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Fig. 1 | Animal Biotelemetry

Fig. 1

From: The value of using measurements of geomagnetic field in addition to irradiance and sea surface temperature to estimate geolocations of tagged aquatic animals

Fig. 1

Earth’s main field showing the observed intensity contours, the magnetic and geomagnetic poles and the geographic pole, around which the earth rotates [7]. The lines of force are indicated on the above insert and the best-fitting geocentric dipole based on the International Geomagnetic Reference Field (IGRF) on the lower insert

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