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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将校准硬化海绵的化学和稳定同位素组成,作为气候和海洋化学变化的代用物。将使用来自加勒比海、埃克苏马湾和牙买加的现有海绵。牙买加可以买到以前经过处理的硬化剂海绵。埃克苏马湾是世界上为数不多的几个可以在大深度范围内收集到合适的海绵动物的地方之一。这将使我们有机会测试是否可以利用硬化海绵来重建古代的温跃层。
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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