The compensation irradiance for phytoplankton in nature

被引：31
|
作者：
Marra, J [1 ]
机构：
[1] Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA
来源：
GEOPHYSICAL RESEARCH LETTERS | 2004年 / 31卷 / 06期
关键词：
D O I：
10.1029/2003GL018881
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
[1] The compensation irradiance for phytoplankton is calculated from the time course of fluorescence-derived chlorophyll-a measured on moored sensors in the North Atlantic in spring. Following the initiation of the spring bloom, the time at which chlorophyll-a begins to decrease at a particular depth in a stratified water column is used to compute the compensation irradiance from the critical depth criterion. Over the depth range of 50-110 m, the compensation irradiance is estimated to be in the range from 0.1-0.3 mol photons m(-2) d(-1).
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页数：4
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