气候变化领域集成服务门户(CCPortal): Lagrangian Studies of Marine Production: A Multimethod Assessment of Productivity Relationships in the California Current Ecosystem Upwelling Region

CCPortal

DOI	10.1029/2019JC015984
	Lagrangian Studies of Marine Production: A Multimethod Assessment of Productivity Relationships in the California Current Ecosystem Upwelling Region
	Kranz S.A.; Wang S.; Kelly T.B.; Stukel M.R.; Goericke R.; Landry M.R.; Cassar N.
发表日期	2020
ISSN	21699275
卷号	125 期号:6
英文摘要	A multimethod process-oriented investigation of diverse productivity measures in the California Current Ecosystem (CCE) Long-Term Ecological Research study region, a complex physical environment, is presented. Seven multiday deployments covering a transition region from high to low productivity were conducted over two field expeditions (spring 2016 and summer 2017). Employing a Lagrangian study design, water parcels were followed over several days, comparing 24-h in situ measurements (14C and 15NO3 -uptake, dilution estimates of phytoplankton growth, and microzooplankton grazing) with high-resolution productivity measurements by fast repetition rate fluorometry (FRRF) and equilibrium inlet mass spectrometry (EIMS), and integrated carbon export measuremnts using sediment traps. Results show the importance of accounting for temporal and fine spatial scale variability when estimating ecosystem production. FRRF and EIMS measurements resolved diel patterns in gross primary and net community production. Diel productivity changes agreed well with comparably more traditional measurements. While differences in productivity metrics calculated over different time intervals were considerable, as those methods rely on different base assumptions, the data can be used to explain ecosystem processes which would otherwise have gone unnoticed. The processes resolved from this method comparison further understanding of temporal and spatial coupling and decoupling of surface productivity and potential carbon burial in a gradient from coastal to offshore ecosystems. ©2020. American Geophysical Union. All Rights Reserved.
英文关键词	carbon export; equilibrium inlet mass spectrometry; gross primary production; long-term ecological research; net community production
语种	英语
来源期刊	Journal of Geophysical Research: Oceans
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/186857
作者单位	Department of Earth, Ocean and Atmospheric Science, Florida State University, Tallahassee, FL, United States; Division of Earth and Ocean Sciences, Duke University, Durham, NC, United States; Center for Ocean-Atmospheric Prediction Studies, Florida State University, Tallahassee, FL, United States; Integrative Oceanography Division, Scripps Institution of Oceanography, La Jolla, CA, United States
推荐引用方式 GB/T 7714	Kranz S.A.,Wang S.,Kelly T.B.,et al. Lagrangian Studies of Marine Production: A Multimethod Assessment of Productivity Relationships in the California Current Ecosystem Upwelling Region[J],2020,125(6).
APA	Kranz S.A..,Wang S..,Kelly T.B..,Stukel M.R..,Goericke R..,...&Cassar N..(2020).Lagrangian Studies of Marine Production: A Multimethod Assessment of Productivity Relationships in the California Current Ecosystem Upwelling Region.Journal of Geophysical Research: Oceans,125(6).
MLA	Kranz S.A.,et al."Lagrangian Studies of Marine Production: A Multimethod Assessment of Productivity Relationships in the California Current Ecosystem Upwelling Region".Journal of Geophysical Research: Oceans 125.6(2020).