期刊
DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
卷 83, 期 -, 页码 45-50出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.dsr.2013.09.005
关键词
Phytoplankton; Compensation; Production; Respiration; Irradiance
类别
资金
- Professional Staff Congress, City University of New York
- National Science Foundation [OCE-0550725]
Measurements of net primary production (P) combined with calculated estimates of phytoplankton respiration (R-p) and gross primary production (G) are used to determine the depth of the ocean's euphotic zone, the autotrophic productive layer. The base of the euphotic zone, the compensation depth (where P=0 and G=R-p), is found to be consistently deeper than the traditionally assumed '1% light depth'. It is found to occur, however, at a depth that encompasses the depth range of all, or nearly all, autotrophic biomass. The estimated compensation depth also occurs near the depth of 1% of surface blue light (490 nm), supporting the determination of the ocean's productive layer from satellite ocean color sensors. (C) 2013 Elsevier Ltd. All rights reserved.
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