Middle to late Holocene environmental changes in the depositional system of the tropical brackish Bolgoda Lake, coastal southwest Sri Lanka
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- 作者：Amila Sandaruwan Ratnayake
- 关键词：TOC ; Organic matter ; Tropical lake sediment ; Sea-level change ; Environmental change
- 刊名：Palaeogeography, Palaeoclimatology, Palaeoecology
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：465
- 期：part_PA
- 页码：122-137
- 全文大小：2461 K
文摘
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Bolgoda sediments contain vascular plants and sapropels deposited at low rates.
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Organic carbon contents increased dramatically at ca. 2.5 cal ky B.P.
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This change was due to sea-level regression.
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Reworked OMs and aquatic plants increased after ca. 2.5 cal ky B.P.
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PAH contents rise from anthropogenic activity after European settlement in the 15th C.