Toward Long-Term Monitoring of the Gulf of Alaska Ecosystem, GAK1 Mooring Freshwater Discharge data, Seward, Alaska (1970-2012)
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This program continues a 40(+) year time series of temperature and salinity measurements at hydrographic station GAK 1. The data set, which began in 1970, now consists of monthly CTDs and a mooring with 6 - 7 temperature/conductivity recorders throughout the water column, a fluorometer and nitrate sensor at 20 m depth and a nitrate sensor at 150 m depth. The project monitors five important Alaska Coastal Current ecosystem parameters and to quantify and understand interannual and longer period variability in:
1. Temperature and salinity throughout the 250 m deep water column, 2. Near surface stratification, 3. Near and subsurface nitrate supply on the inner shelf, 4. Fluorescence as an index of phytoplankton biomass, and 5. Atmosphere-ocean heat fluxes.
In aggregate these variables are basic descriptors of the Alaska Coastal Current, an important habitat and migratory corridor for organisms inhabiting the northern Gulf of Alaska, including Prince William Sound.
Data here spans 1970 - 2012. ON GOING DATA CAN BE ACCESSED AT THE UAF GAK1 WEBSITE: http://www.ims.uaf.edu/gak1/
*****Publications which have cited this data:
--Janout, M. A., T. J. Weingartner, T. C. Royer, and S. L. Danielson, 2010, On the nature of winter cooling and the recent temperature shift on the northern Gulf of Alaska shelf, J. Geophys. Res., 115, C05023, doi:10.1029/2009JC005774.
--Bechtol, W.R., 2009. Abundance, recruitment, and environmental forcing of Kodiak red king crab. University of Alaska Fairbanks, Doctoral dissertation, 205 p
--Tribuzio, C.A.,. 2009. Life history, demography and ecology of the spiny dogfish (Squalus acanthias) in the Gulf of Alaska: Critical information for aiding management. University of Alaska Fairbanks, Doctoral dissertation, in prep.
--Ebbesmeyer, C. C., W. J. Ingraham, T. C. Royer, and C. E. Grosch, 2007, Tub Toys Orbit the Pacific Subarctic Gyre, Eos Trans. AGU, 88(1), 1.
--Sarkar, N., 2007, Mixed layer dynamics along the Seward Line in the northern Gulf of Alaska, Ph.D. dissertation, Old Dominion University, Norfolk, VA, 71p.
--Schroeder, I. D., 2007, Annual and interannual variability in the wind field and hydrography along the Seward Line in the northern Gulf of Alaska, Ph.D. dissertation, Old Dominion University, Norfolk, VA, 81p.
--Royer, T. C. and C. E. Grosch, 2006, Ocean warming and freshening in the northern Gulf of Alaska, Geophysical Research Letters, 33 (16), L16605,doi:10.1029/2006GL026767
--Capotondi, A., M. A. Alexander, C. Deser and A. J. Miller, 2005, Low-Frequency Pycnocline Variability in the Northeast Pacific, Journal of Physical Oceanography, V. 35, 8, 1403-1420
--Ingolfsson, A., 2005, Community structure and zonation patterns of rocky shores at high latitudes: an interocean comparison, Journal of Biogeography, 32(1), 169-182, doi:10.1111/j.1365-2699.2004.01150.x
--Royer, T.C., 2005, Hydrographic responses at a coastal site in the northern Gulf of Alaska to seasonal and interannual forcing, Deep-Sea Research Part II-Topical Studies in Oceanography, 52 (1-2): 267-288
--Sarkar, N, T. C. Royer and C. E. Grosch, 2005. Hydrographic and mixed layer depth variability on the shelf in the northern Gulf of Alaska, 1974-1998. Cont. Shelf. Res. 25: 2147 - 2162.
--Weingartner, T.J., Danielson, S.L. and Royer, T.C., 2005, Freshwater variability and predictability in the Alaska Coastal Current, Deep-Sea Research Part II-Topical Studies in Oceanography, 52 (1-2): 169-191
--Mueter, F.J., 2004, Gulf of Alaska - Marine Ecosystems of the North Pacific, Vol. PICES Special Publication 1 (pp. 153-175): PICES Special Publication 1.
--Stabeno, P.J., N.A. Bond, A.J. Hermann, N.B. Kachel, C.W. Mordy and J.E. Overland, 2004, Meteorology and oceanography of the Northern Gulf of Alaska, Continental Shelf Research, 24, 859-879
--PICES, 2004. Marine Ecosystems of the North Pacific. PICES Special Publication 1, 280p.
--Committee to Review the Gulf of Alaska Ecosystem Monitoring Program, National Research Council, 2002, A Century of Ecosystem Science - Planning Long-Term Research in the Gulf of Alaska, National Research Council, National Academy Press, Washington, D.C.
--Boldt, J. L. and L. J. Haldorson, 2002 A Bioenergetics Approach to Estimating Consumption of Zooplankton by Juvenile Pink Salmn in Prince William Sound, Alaska, Alaska Fishery Research Bulletin, V9 No. 2, Winter 2002
--Royer, T.C., Grosch, C.E., and Mysak, L.A., 2001, Interdecadal variability of Northeast Pacific coastal freshwater and its implications on biological productivity, Progress in Oceanography, 49 (1-4): 95-111 Sp. Iss. SI
--Mueter, F.J., 1999, Spatial and temporal patterns in the Gulf of Alaska groundfish community in relation to the environments, Doctoral dissertation
--Parker, K.S., T.C. Royer, and R.B. Deriso, 1995. High latitude climate forcing by the 18.6 year lunar nodal cycle and historical recruitment trends in Pacific halibut, Can. Spec. Publ. Fish. Aquat. Sci., 121:447-459.
--Muter, F.J., B.L. Norcross and T.C. Royer, 1994. Do cyclic temperatures cause cyclic fisheries?, Can. Spec. Publ. Fish. Aquat. Sci., 121:119-129.
--Royer, T.C. 1993. High-latitude oceanic variability associated with the 18.6-year nodal tide. J. Geop. Res., 98:4639-4644.
--Royer, T.C. 1989. Upper ocean temperature variability in the Northeast Pacific Ocean: Is it an indicator of global warming? J. Geop. Res., 94:18175-18183.
--Xiong, Q. and T.C. Royer. 1984. Coastal temperature and salinity in the northern Gulf of Alaska, J. Geop. Res., 89:8061-8066.
本项目延续了GAK 1水文站(hydrographic station)时长超40年的温度与盐度观测时序。该数据集始于1970年,当前包含月度CTD(Conductivity-Temperature-Depth,温盐深仪)观测数据,以及一套搭载6~7台温度/电导率记录仪的锚碇观测系统,覆盖全水柱;另在20米深度处部署荧光计与硝酸盐传感器,150米深度处部署硝酸盐传感器。
本项目监测阿拉斯加沿岸流(Alaska Coastal Current)生态系统的5项关键参数,旨在量化并解析年际及更长时间尺度的变异性,具体包括:
1. 250米深全水柱的温度与盐度;
2. 近表层水体层结;
3. 内陆架近表层及次表层的硝酸盐供给;
4. 作为浮游植物生物量指标的荧光强度;
5. 海-气热通量。
综合而言,上述变量是阿拉斯加沿岸流的基础生态描述指标,而该海流是北阿拉斯加湾(含威廉王子湾Prince William Sound)内栖息生物的重要栖息生境与洄游通道。
本数据集的时间跨度为1970年至2012年。最新观测数据可通过阿拉斯加大学费尔班克斯分校(UAF)GAK1官网获取:http://www.ims.uaf.edu/gak1/
***** 引用本数据集的已发表学术成果:
-- Janout, M. A., T. J. Weingartner, T. C. Royer, 及 S. L. Danielson, 2010, 《北阿拉斯加湾陆架冬季降温特征与近期温度变化》,《地球物理学研究杂志》(J. Geophys. Res.),115卷,C05023,DOI:10.1029/2009JC005774。
-- Bechtol, W.R., 2009, 《科迪亚克红王蟹的丰度、补充量与环境调控》,阿拉斯加大学费尔班克斯分校,博士学位论文,205页。
-- Tribuzio, C.A., 2009, 《阿拉斯加湾刺鳐(Squalus acanthias)的生活史、种群结构与生态学:辅助渔业管理的关键信息》,阿拉斯加大学费尔班克斯分校,博士学位论文,待出版。
-- Ebbesmeyer, C. C., W. J. Ingraham, T. C. Royer, 及 C. E. Grosch, 2007, 《漂浮玩具环绕太平洋副极地环流》,《美国地球物理联合会会报》(Eos Trans. AGU),88(1),第1页。
-- Sarkar, N., 2007, 《阿拉斯加湾塞沃德沿线的混合层动力学》,博士学位论文,欧道明大学,美国弗吉尼亚州诺福克,71页。
-- Schroeder, I. D., 2007, 《阿拉斯加湾塞沃德沿线风场与水文特征的年际及年际变异性》,博士学位论文,欧道明大学,美国弗吉尼亚州诺福克,81页。
-- Royer, T. C. 及 C. E. Grosch, 2006, 《北阿拉斯加湾的海洋增温与淡化》,《地球物理学研究快报》(Geophysical Research Letters),33(16),L16605,DOI:10.1029/2006GL026767。
-- Capotondi, A., M. A. Alexander, C. Deser 及 A. J. Miller, 2005, 《东北太平洋的低频密度跃层变异性》,《物理海洋学杂志》(Journal of Physical Oceanography),第35卷第8期,1403-1420页。
-- Ingolfsson, A., 2005, 《高纬度岩岸群落结构与分带模式:跨洋比较》,《生物地理学杂志》(Journal of Biogeography),32(1),169-182页,DOI:10.1111/j.1365-2699.2004.01150.x。
-- Royer, T.C., 2005, 《北阿拉斯加湾某沿岸站点水文对季节与年际强迫的响应》,《深海研究第二辑:海洋学专题研究》(Deep-Sea Research Part II-Topical Studies in Oceanography),52(1-2),267-288页。
-- Sarkar, N, T. C. Royer 及 C. E. Grosch, 2005, 《1974-1998年北阿拉斯加湾陆架的水文与混合层深度变异性》,《大陆架研究》(Cont. Shelf. Res.),25卷,2147-2162页。
-- Weingartner, T.J., Danielson, S.L. 及 Royer, T.C., 2005, 《阿拉斯加沿岸流的淡水变异性与可预测性》,《深海研究第二辑:海洋学专题研究》,52(1-2),169-191页。
-- Mueter, F.J., 2004, 《阿拉斯加湾——北太平洋海洋生态系统》,《北太平洋海洋科学组织专刊1》(PICES Special Publication 1),(第153-175页):PICES专刊1。
-- Stabeno, P.J., N.A. Bond, A.J. Hermann, N.B. Kachel, C.W. Mordy 及 J.E. Overland, 2004, 《北阿拉斯加湾的气象与海洋学特征》,《大陆架研究》,24卷,859-879页。
-- PICES, 2004, 《北太平洋海洋生态系统》,PICES专刊1,280页。
-- 美国国家研究委员会海湾生态系统监测项目审查委员会, 2002, 《一个世纪的生态系统科学——阿拉斯加湾长期研究规划》,美国国家研究委员会,美国国家科学院出版社,华盛顿特区。
-- Boldt, J. L. 及 L. J. Haldorson, 2002, 《利用生物能量学方法估算阿拉斯加威廉王子湾幼年粉红鲑对浮游动物的摄食量》,《阿拉斯加渔业研究通报》,第9卷第2期,2002年冬季刊。
-- Royer, T.C., Grosch, C.E. 及 Mysak, L.A., 2001, 《东北太平洋沿岸淡水的年代际变异性及其对生物生产力的影响》,《海洋学进展》(Progress in Oceanography),49(1-4),95-111页(特刊)。
-- Mueter, F.J., 1999, 《阿拉斯加湾底层鱼类群落的时空分布模式与环境关联》,博士学位论文。
-- Parker, K.S., T.C. Royer 及 R.B. Deriso, 1995, 《18.6年月球节点周期的高纬度气候强迫与太平洋大比目鱼的历史补充趋势》,《加拿大鱼类与水产科学专刊》(Can. Spec. Publ. Fish. Aquat. Sci.),121卷,447-459页。
-- Mueter, F.J., B.L. Norcross 及 T.C. Royer, 1994, 《周期性温度是否引发周期性渔业波动?》,《加拿大鱼类与水产科学专刊》,121卷,119-129页。
-- Royer, T.C. 1993, 《与18.6年节点潮相关的高纬度海洋变异性》,《地球物理学研究杂志》(J. Geop. Res.),98卷,4639-4644页。
-- Royer, T.C. 1989, 《东北太平洋上层海洋温度变异性:是否为全球变暖的指示器?》,《地球物理学研究杂志》,94卷,18175-18183页。
-- Xiong, Q. 及 T.C. Royer, 1984, 《北阿拉斯加湾的沿岸温度与盐度》,《地球物理学研究杂志》,89卷,8061-8066页。
提供机构:
Gulf of Alaska Data Portal
创建时间:
2013-11-08



