Classification of the Pearl River Estuary via Principal Component Analysis and Regionalisation

Heise, B., Bobertz, B. and Harff, J. (2010) Classification of the Pearl River Estuary via Principal Component Analysis and Regionalisation Journal of Coastal Research, 26 (4). pp. 769-779. DOI 10.2112/jcoastres-d-09-00100.1.

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Abstract

This paper deals with the subdivision of the LingDingYang Estuary of the Pearl River Estuary (South China at the South China Sea) using geostatistical methods. The division obtained is characterised by the dominating components and interpreted in terms of ruling environmental conditions. The mathematical procedures used are regionalised classification via hierarchical cluster analysis and principal component analysis. While regionalisation determines areas characterised by different sedimentological and geochemical parameters, principal component analysis identifies the influencing factors in the different parts of the estuary. Three main subareas within the LingDingYang Estuary were discriminated. Here, marine-influenced regions can be clearly separated from those determined by the geological catchment area and the ones dominated by river discharge. The samples for this work were taken during cruises in 2004 and 2005. This work has been integrated into a German Chinese cooperation project between the Leibniz Institute for Baltic Sea Research (Warnemunde, Germany) and the South China Sea Institute of Oceanology (Guangzhou, China).

Document Type: Article
Keywords: Hierarchical cluster analysis sedimentological and geochemical parameters heavy metals pollution Pearl River Estuary South China Sea
Research affiliation: Kiel University
Refereed: No
DOI etc.: 10.2112/jcoastres-d-09-00100.1
ISSN: 0749-0208
Date Deposited: 22 Dec 2011 05:53
Last Modified: 08 Oct 2012 10:00
URI: http://eprints.uni-kiel.de/id/eprint/15684

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