Photosynthetic rates derived from satellite‐based chlorophyll concentration

  title={Photosynthetic rates derived from satellite‐based chlorophyll concentration},
  author={Michael J. Behrenfeld and Paul G. Falkowski},
  journal={Limnology and Oceanography},
We assembled a dataset of 14C‐based productivity measurements to understand the critical variables required for accurate assessment of daily depth‐integrated phytoplankton carbon fixation (PP(PPeu)u) from measurements of sea surface pigment concentrations (Csat)(Csat). From this dataset, we developed a light‐dependent, depth‐resolved model for carbon fixation (VGPM) that partitions environmental factors affecting primary production into those that influence the relative vertical distribution of… 

Carbon‐based primary productivity modeling with vertically resolved photoacclimation

Net primary production (NPP) is commonly modeled as a function of chlorophyll concentration (Chl), even though it has been long recognized that variability in intracellular chlorophyll content from

Photosynthetic parameters in the Beaufort Sea in relation to the phytoplankton community structure

The maximum rate of photosynthesis normalized to chlorophyll decreased with depth and is higher for communities composed of large cells; the saturation parameter decreases with depth but is independent of the community structure; and the initial slope of the photosynthetic versus irradiance curve isindependent of depth but are higher for Communities composed of larger cells.

On using pigment‐normalized, light‐saturated carbon uptake with satellite‐derived pigment for estimating column photosynthesis

Using five Pacific open‐sea data sets with five subsets, we linearly correlated observed column photosynthesis (Pt, mg C m−2 d−1, from 14C‐uptake) with “satellite pigment” (Csat, mg m−3), simulated

Photoacclimation and nutrient-based model of light-saturated photosynthesis for quantifying oceanic primary production

A physiologically-based model that focuses on the effects of photoacclimation and nutrient limitation on relative changes in cellular chlorophyll and CO2 fixation capacities is introduced for light-saturated photosynthesis.

Novel Maximum Carbon Fixation Rate Algorithms for Remote Sensing of Oceanic Primary Productivity

  • Shilin TangChuqun Chen
  • Environmental Science, Mathematics
    IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
  • 2016
The new Pbopt algorithm was developed using statistical models known as support vector machines (SVM), and the performances of the previous primary production models, including the vertically generalized production model and the statistical model developed in earlier research, were improved.

Size-dependent photosynthetic variability in the North Pacific Subtropical Gyre

The photophysio- logical responses of plankton in this size class demonstrated considerable variability, suggesting these larger size phytoplankton experience time-variable changes in growth despite persistently oligotrophic habitat conditions.

Size Class Dependent Relationships between Temperature and Phytoplankton Photosynthesis-Irradiance Parameters in the Atlantic Ocean

Over the past decade, a number of methods have been developed to estimate size-class primary production from either in situ phytoplankton pigment data or remotely-sensed data. In this context, the

Carbon‐based ocean productivity and phytoplankton physiology from space

Compared to an earlier chlorophyll-based approach, carbonbased values are considerably higher in tropical oceans, show greater seasonality at middle and high latitudes, and illustrate important differences in the formation and demise of regional algal blooms.

Basin‐wide photosynthetic production rates in the subtropical and tropical Pacific Ocean determined from dissolved oxygen isotope ratio measurements

We used the oxygen isotope anomaly (17Δ) to determine gross photosynthetic O2 production (GOP) on Pacific Ocean transits of a cargo ship between United States and Australia and New Zealand in August



Factors affecting the estimate of primary production from space

Remote sensing of primary production in the euphotic zone has been based mostly on visible-band water-leaving radiance measured with the coastal zone color scanner. There are some robust, simple

The Remote Sensing of Ocean Primary Productivity: Use of a New Data Compilation to Test Satellite Algorithms

We tested global pigment and primary productivity algorithms based on a new data compilation of over 12,000 stations occupied mostly in the northern hemisphere, from the late 1950's to 1988. The

Optical modeling of the upper ocean in relation to its biogenous matter content (case I waters)

The aim of the present study is to review and tentatively to interpret the optical behavior of oceanic case I waters, those waters for which phytoplankton and their derivative play a predominant role

Nutrient control of phytoplankton photosynthesis in the Western North Atlantic

LIMITED understanding of the influence of the environment on the relation between photosynthesis and light in the ocean impairs our capacity to estimate primary production from remotely sensed data

Atmospheric effects in the remote sensing of phytoplankton pigments

We investigate the accuracy with which relevant atmospheric parameters must be estimated to derive phytoplankton pigment concentrations (chlorophyll a plus phaeophytin a ) of a given accuracy from

Basin-scale estimates of oceanic primary production by remote sensing - The North Atlantic

The estimation by remote sensing of annual primary production at ocean basin scales is illustrated for the Atlantic Ocean, using the monthly averaged Coastal Zone Color Scanner data for 1979. The