Increased seasonality in the gulf of Aquaba, Red Sea, recorded in the Oxygen Isotope Record of a Porites lutea coral.

Heiss, Georg A., Dullo, Wolf-Christian , Joachimski, M. M., Reijmer, John and Schumacher, H. (1999) Increased seasonality in the gulf of Aquaba, Red Sea, recorded in the Oxygen Isotope Record of a Porites lutea coral. Senckenbergiana Maritima, 30 . pp. 17-26.

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Abstract

At Aqaba in the Northern Gulf of Aqaba, Red Sea, the stable oxygen isotope record of a Por#es lutea coral colony was studied. From a vertical and a horizontal core two parts from the base of the colony (10 years of coral growth), and two parts from the living surface (12 years of coral growth) were analysed with a monthly sampling resolution. The results show that seasonality of sea surface temperatures (SST) in the northem GulfofAqaba has increased since the early 19th century, mainly due to higher summer temper- atures. 8~80-ratios indicate that SST increased by at least 1.3~ Horizontal and vertical cores display dif- ferent variations in the modern parts, probably caused by the very shallow water depth of the youngest part of the vertical core.

Document Type: Article
Keywords: Coral growth, stable isotopes, sea surface temperature, Red Sea, paleoclimate
Research affiliation: OceanRep > GEOMAR > FB1 Ocean Circulation and Climate Dynamics > FB1-P-OZ Paleo-Oceanography
Refereed: Yes
Open Access Journal?: No
ISSN: 0080-889X
Date Deposited: 18 Feb 2008 17:24
Last Modified: 08 Aug 2019 10:41
URI: http://oceanrep.geomar.de/id/eprint/4831

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