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Radiative surface temperatures of harp seals

Affiliation:	1. Laboratoire MECADEV, UMR 7179 CNRS/MNHN, 1 avenue du petit château, 91800 Brunoy, France;2. Scottish Centre for Ecology and the Natural Environment, Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Rowardennan, Glasgow G63 0AW, UK;3. Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews, Fife KY16 8LB, UK;4. Université de Strasbourg, CNRS, IPHC UMR 7178, 67000 Strasbourg, France;5. Ecole Nationale Vétérinaire d''Alfort, Ethologie, 7 avenue du Général de Gaulle, 94700 Maisons-Alfort, France

Abstract:	1.1. Ambient air temperature rather than wind speed or heat flow exerted the greatest effect on radiative heat loss from harp seal pup fur. 2.2. Fur conductance was higher when calculated using radiative temperature rather than air temperature as representative of ambient temperatures. 3.]3. An equation was derived from data on thermal properties of fur samples and adjusted to fit the expected in vivo heat loss to predict the radiative temperatures of harp seal pups on the ice.

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