Collaborative Research: The Distributed Biological Observatory (DBO) - A Change Detection Array in the Pacific Arctic Region

合作研究：分布式生物观测站（DBO）——太平洋北极地区的变化检测阵列

• 批准号: 1917434
• 负责人: Karen Frey
• 金额: $ 57.16万
• 依托单位: Clark University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2019
• 资助国家: 美国
• 起止时间: 2019-08-15 至 2024-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1917434&HistoricalAwards=false
• 关键词: Collaborative; Research; Distributed; Biological; Observatory

The Arctic is changing. The Distributed Biological Observatory studies these changes in the northern Bering and Chukchi seas. Investigators sample locations that are biologically important in U.S. territorial waters. These locations have been sampled annually since 2010. Other investigators also sample the same locations. As a result, the locations are sampled multiple times a year. Data are collected on environmental conditions including water column and sea floor animals that are food for whales, seals, and birds. Data are shared internationally. The project contributes to the U.S. National Ocean Policy and Interagency Arctic Research Policy Committee 5-year plan. The data will be of value to U.S. and international science and management agencies, private industry, and local communities as they try to understand changes to the environment. The project supports four graduate students and one postdoctoral research associate.The observational plan includes consistent standard hydrographic and biological measurements along five transect lines located in the northern Bering and Chukchi Seas. These sampling locations are arrayed south-to-north and reflect a gradient of seasonal sea ice change and seawater warming. The investigators chose these 5 regions because they are zones of high biological productivity and biodiversity. Results so far indicate a freshening and warming of Pacific seawater which transits northward over the spring to fall season. These changes have impacted prey for larger marine mammals and seabirds. Satellite observations are also used to evaluate seasonal changes in sea ice concentration, surface seawater temperature, and chlorophyll concentration. The biological measurements focus on lower trophic levels and shipboard surveys of upper trophic level organisms. This research will increase our understanding of the impact of key environmental forcing parameters on biological change in the system. The collection of key prey-predator biological data along with physical and chemical measurements will allow for analyses and ecosystem modeling which will promote better understanding of Arctic environmental changes.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

北极正在改变。分布式生物学天文台研究这些北部白令和楚科奇海中的这些变化。调查人员采样在美国领土上生物学重要的位置。自2010年以来，这些位置每年进行一次采样。其他研究人员还采样了相同的位置。结果，这些位置每年进行多次采样。收集有关环境条件的数据，包括水柱和海底动物，这些动物是鲸鱼，海豹和鸟类的食物。数据是在国际上共享的。该项目有助于美国国家海洋政策和机构间北极研究政策委员会5年计划。这些数据将对美国和国际科学和管理机构，私营企业和当地社区具有价值，因为它们试图了解环境的变化。该项目支持四名研究生和一名博士后研究助理。观察计划包括一致的标准水文学和生物测量，沿着位于北部Bering和Chukchi海洋的五个横断面线。这些抽样位置是从南到北的，反映了季节性海冰变化和海水变暖的梯度。研究人员之所以选择这5个区域，是因为它们是高生物生产力和生物多样性的地区。到目前为止，结果表明，太平洋海水的清新和变暖，在春季到秋季季节向北过渡。这些变化影响了较大的海洋哺乳动物和海鸟的猎物。卫星观察结果还用于评估海冰浓度，表面海水温度和叶绿素浓度的季节性变化。生物学测量集中在较低的营养水平和船上的船上调查上。这项研究将增加我们对关键环境强迫参数对系统生物变化的影响的理解。关键的猎物预言生物学数据以及物理和化学测量结果的收集将允许进行分析和生态系统建模，这将促进对北极环境变化的更好理解。该奖项反映了NSF的法定任务，并被认为是值得通过基金会的知识分子优点和更广泛影响的审查标准来通过评估来支持的。

项目成果

Ice algae resource utilization by benthic macro- and megafaunal communities on the Pacific Arctic shelf determined through lipid biomarker analysis

通过脂质生物标志物分析确定太平洋北极大陆架底栖大型和巨型动物群落的冰藻资源利用

• 发表时间: 2020
• 期刊: Marine ecology
• 作者: Wegner Koch, C.;Cooper, L. W.;Grebmeier, J. M.;Frey, K. E.;Brown, T. A.
• 通讯作者: Brown, T. A.

Arctic Ocean primary productivity: The response of marine algae to climate warming and sea ice decline

• DOI: 10.25923/kxhb-dw16
• 发表时间: 2021-01-01
• 期刊: Arctic Report Card
• 作者: Frey, KE.

Changes at the Edge: Trends in sea ice, ocean temperature, and ocean color at the Northwest Atlantic/Southern Arctic interface

边缘的变化：西北大西洋/南北极交界处海冰、海洋温度和海洋颜色的趋势

• DOI: 10.1017/aog.2020.66
• 发表时间: 2020
• 期刊: Annals of Glaciology
• 影响因子: 2.9
• 作者: York, A. V.;Frey, K. E.;Young, L. N.
• 通讯作者: Young, L. N.

Assessment of Empirical and Semi-Analytical Algorithms Using MODIS-Aqua for Representing In-Situ Chromophoric Dissolved Organic Matter (CDOM) in the Bering, Chukchi, and Western Beaufort Seas of the Pacific Arctic Region

• DOI: 10.3390/rs13183673
• 发表时间: 2021-09
• 期刊: Remote. Sens.
• 作者: Melishia I. Santiago;K. Frey

Applying landscape fragmentation analysis to icescape environments: potential impacts for the Pacific walrus (Odobenus rosmarus divergens)

将景观破碎分析应用于冰景环境：对太平洋海象 (Odobenus rosmarus divergens) 的潜在影响

• DOI: 10.33265/polar.v41.5169
• 发表时间: 2022
• 期刊: Polar Research
• 影响因子: 1.9
• 作者: Himmelberger, Anthony;Frey, Karen E.;Sangermano, Florencia
• 通讯作者: Sangermano, Florencia