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Purbeck-Wealden (early Cretaceous) climates

Allen, P., Alvin, K., Andrews, J., Batten, D., Chalton, C., Cleevely, R., Ensom, P., Evans, S., Francis, J., Hailwood, E., Harding, I., Horne, D., Hughes, N., Hunt, C., Jarzembowski, E., Jones, Timothy Peter, Knox, R., Milner, A., Norman, D., Palmer, C., Parker, A., Patterson, G., Price, G. D., Radley, J., Rawson, P., Ross, A., Rolfe, S., Ruffell, A., Sellwood, B., Sladen, C., Taylor, K., Watson, J., Wright, Victor Paul and Wimbledon, W. 1998. Purbeck-Wealden (early Cretaceous) climates. Proceedings of the Geologists' Association 109 (3) , pp. 197-236. 10.1016/S0016-7878(98)80066-7

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Abstract

A multidisciplinary colligation including new data and analysis of the evidence for the climates of southern Britain during c. 140 Ma. to c. 120 Ma BP (Berriasian-Barremian — ? earliest Aptian). The climate was at first hot, semi-arid and ‘Mediterranean’ (rather than ‘monsoonal’) in type, probably with seasonally opposed winds (E/W). An irregular long-term trend of increasing rainfall in the moister seasons is evident. This was probably associated with establishment of predominant westerlies during the Jurassic-Cretaceous transition and slightly lower average annual temperatures thereafter until Barremian times. Causes proposed are frequent changes in the regional climatic system due to technically induced adjustments of relief under the special conditions of the semi-enclosed Purbeck–Wealden archipelago and increasing proximity of the widening Protoatlantic sea.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Earth and Ocean Sciences
Systems Immunity Research Institute (SIURI)
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > QE Geology
Publisher: Elsevier
ISSN: 0016-7878
Last Modified: 04 Jun 2017 03:29
URI: http://orca.cf.ac.uk/id/eprint/21886

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