globalchange  > 气候变化事实与影响
DOI: 10.1002/2015GB005141
Scopus记录号: 2-s2.0-84941879841
论文题名:
Short-term variability in euphotic zone biogeochemistry and primary productivity at Station ALOHA: A case study of summer 2012
作者: Wilson S; T; , Barone B; , Ascani F; , Bidigare R; R; , Church M; J; , Del Valle D; A; , Dyhrman S; T; , Ferrõn S; , Fitzsimmons J; N; , Juranek L; W; , Kolber Z; S; , Letelier R; M; , Martínez-García S; , Nicholson D; P; , Richards K; J; , Rii Y; M; , Rouco M; , Viviani D; A; , White A; E; , Zehr J; P; , Karl D; M
刊名: Global Biogeochemical Cycles
ISSN: 8866236
出版年: 2015
卷: 29, 期:8
起始页码: 1145
结束页码: 1164
语种: 英语
英文关键词: biogeochemistry ; microbial ecology ; primary productivity ; Station ALOHA ; temporal variability
Scopus关键词: abundance ; euphotic zone ; microbial ecology ; primary production ; profiler ; remote sensing ; sampling ; sea surface salinity ; shipborne measurement ; summer ; temporal variation ; timescale ; water column ; ALOHA Station ; Hawaiian Ridge ; Pacific Ocean
英文摘要: Time-series observations are critical to understand the structure, function, and dynamics of marine ecosystems. The Hawaii Ocean Time-series program has maintained near-monthly sampling at Station ALOHA (22°45′N, 158°00′W) in the oligotrophic North Pacific Subtropical Gyre (NPSG) since 1988 and has identified ecosystem variability over seasonal to interannual timescales. To further extend the temporal resolution of these near-monthly time-series observations, an extensive field campaign was conducted during July-September 2012 at Station ALOHA with near-daily sampling of upper water-column biogeochemistry, phytoplankton abundance, and activity. The resulting data set provided biogeochemical measurements at high temporal resolution and documents two important events at Station ALOHA: (1) a prolonged period of low productivity when net community production in the mixed layer shifted to a net heterotrophic state and (2) detection of a distinct sea-surface salinity minimum feature which was prominent in the upper water column (0-50 m) for a period of approximately 30 days. The shipboard observations during July-September 2012 were supplemented with in situ measurements provided by Seagliders, profiling floats, and remote satellite observations that together revealed the extent of the low productivity and the sea-surface salinity minimum feature in the NPSG. ©2015. American Geophysical Union. All Rights Reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/77956
Appears in Collections:气候变化事实与影响

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作者单位: Daniel K. Inouye Center for Microbial Oceanography: Research and Education (C-MORE), University of Hawai'i at Manoa, Honolulu, HI, United States; Department of Oceanography, University of Hawai'i at Manoa, Honolulu, HI, United States; Now at Marine Science Department, University of Hawai'i at Hilo, Hilo, HI, United States; Hawai'i Institute of Marine Biology, University of Hawai'i, Kaneohe, HI, United States; Department of Earth and Environmental Sciences and the Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, United States; Now at Department of Oceanography, Texas AandM University, College Station, United States; College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR, United States; Department of Ocean Sciences, University of California, Santa Cruz, CA, United States; Now at Centre for Ecology and Evolution in Microbial Model Systems - EEMiS, Linnaeus University, Kalmar, Sweden; Marine Chemistry and Geochemistry Department, Woods Hole Oceanographic Institution, Woods Hole, MA, United States

Recommended Citation:
Wilson S,T,, Barone B,et al. Short-term variability in euphotic zone biogeochemistry and primary productivity at Station ALOHA: A case study of summer 2012[J]. Global Biogeochemical Cycles,2015-01-01,29(8)
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