Collaborative research aboard Icebreaker Oden: ASPIRE (Amundsen Sea Polynya International Research Expedition)

该奖项是根据2009年美国复苏和再投资法案（公法111-5）资助的。阿蒙森海Polynya是面积上最具生产力的南极冰间湖，具有较高的叶绿素水平，在高峰盛开和更大的年际变化比更好地研究罗斯海Polynya生态系统。Polynyas可能是了解极地地区未来的关键，因为它们的范围预计将随着人为变暖而增加。该项目将研究1）作为气候强迫函数的阿蒙森海Polynya的铁来源，2）与铁供应和混合层深度有关的浮游植物群落结构，3）碳生物泵向深度的效率和4）作为气候和微量营养素强迫函数的碳净通量。该研究还将比较阿蒙森海的结果与帕尔默LTER和罗斯海的现有数据合成和建模工作。该项目将1）在美国和瑞典研究人员之间建立密切的科学合作; 2）调查具有广泛社会意义的气候变化影响; 3）培训新的研究人员; 4）鼓励代表性不足的群体参与科学研究，以及5）通过科学文献和公共宣传广泛传播结果，包括与NSF支持的PolarTrec和COSEE K-12教师的密切互动

This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5). The Amundsen Sea Polynya is areally the most productive Antarctic polynya, exhibits higher chlorophyll levels during peak bloom and greater interannual variability than the better-studied Ross Sea Polynya ecosystem. Polynyas may be the key to understanding the future of polar regions as their extent is expected to increase with anthropogenic warming. The project will examine 1) sources of iron to the Amundsen Sea Polynya as a function of climate forcing, 2) phytoplankton community structure in relation to iron supply and mixed-layer depths, 3) the efficiency of the biological pump of carbon to depth and 4) the net flux of carbon as a function of climate and micronutrient forcing. The research also will compare results for the Amundsen Sea to existing data synthesis and modeling efforts for the Palmer LTER and Ross Sea. The project will 1) build close scientific collaborations between US and Swedish researchers; 2) investigate climate change implications with broad societal relevance; 3) train new researchers; 4) encourage participation in research science by underrepresented groups, and 5) involve broad dissemination of results via scientific literature and public outreach, including close interactions with NSF-supported PolarTrec and COSEE K-12 teachers