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A Multi-Tracer Calibration Study of Sclerosponges

A Multi-Tracer Calibration Study of Sclerosponges
硬化海绵的多示踪剂校准研究
批准号:
9819147
负责人:
Peter Swart
金额:
$24.0万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1999
资助国家:
美国
项目状态:
已结题
起止时间:
1999-04-15 至 2002-03-31

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中文摘要
翻译
PI将校准sclerosponges的化学和稳定同位素组成,用作气候和海洋化学变化的替代品。 将使用来自加勒比、Exuma Sound和牙买加的现有海绵。 先前应变的硬海绵可从牙买加获得。 埃克苏马湾是世界上为数不多的几个地方之一,从那里可以获得在广泛深度范围内收集的合适的硬海绵。 这将使我们有机会测试何时可以用硬海绵来重建古老的温跃层。
英文摘要
PI will calibrate the chemical and stable isotopic composition of sclerosponges for use as a proxy for climate and ocean chemistry changes. Extant sponges from Caribbean, Exuma Sound and jamaica will be used. Previously strained sclerosponges are available from Jamaica. Exuma Sound is one of the few places in the world from which a suitable collection of sclerosponges collected over wide depth range is available. This will allow the opportunity to test whenther sclerosponges can be used to reconstruct ancient thermoclines.
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