Search Results - "Westberry, Toby K"
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Seasonal modulation of phytoplankton biomass in the Southern Ocean
Published in Nature communications (23-10-2020)“…Over the last ten years, satellite and geographically constrained in situ observations largely focused on the northern hemisphere have suggested that annual…”
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The CAFE model: A net production model for global ocean phytoplankton
Published in Global biogeochemical cycles (01-12-2016)“…The Carbon, Absorption, and Fluorescence Euphotic‐resolving (CAFE) net primary production model is an adaptable framework for advancing global ocean…”
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Revaluating ocean warming impacts on global phytoplankton
Published in Nature climate change (01-03-2016)“…Global satellite observations document expansions of the low-chlorophyll central ocean gyres and an overall inverse relationship between anomalies in sea…”
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Analytical phytoplankton carbon measurements spanning diverse ecosystems
Published in Deep-sea research. Part I, Oceanographic research papers (01-08-2015)“…The measurement of phytoplankton carbon (Cphyto) in the field has been a long-sought but elusive goal in oceanography. Proxy measurements of Cphyto have been…”
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Annual cycles of phytoplankton biomass in the subarctic Atlantic and Pacific Ocean
Published in Global biogeochemical cycles (01-02-2016)“…High‐latitude phytoplankton blooms support productive fisheries and play an important role in oceanic uptake of atmospheric carbon dioxide. In the subarctic…”
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Temperate infection in a virus–host system previously known for virulent dynamics
Published in Nature communications (15-09-2020)“…The blooming cosmopolitan coccolithophore Emiliania huxleyi and its viruses (EhVs) are a model for density-dependent virulent dynamics. EhVs commonly exhibit…”
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Spatial and temporal distribution of Trichodesmium blooms in the world's oceans
Published in Global biogeochemical cycles (01-12-2006)“…Nitrogen fixing organisms, such as the cyanobacterium Trichodesmium, directly affect the oceanic nutrient inventory through the addition of new nitrogen to the…”
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The Oligotrophic Ocean Is Autotrophic
Published in Annual review of marine science (03-01-2013)“…In vitro observations of net community production (NCP) imply that the oligotrophic subtropical gyres of the open ocean are net heterotrophic; in situ…”
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Phytoplankton Growth and Productivity in the Western North Atlantic: Observations of Regional Variability From the NAAMES Field Campaigns
Published in Frontiers in Marine Science (07-02-2020)“…The ability to quantify spatio-temporal variability in phytoplankton growth and productivity is essential to improving our understanding of global carbon…”
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Vertical Structure in Phytoplankton Growth and Productivity Inferred From Biogeochemical-Argo Floats and the Carbon-Based Productivity Model
Published in Global biogeochemical cycles (01-08-2022)“…Estimates of marine net primary production (NPP) commonly rely on limited in situ 14C incubations or satellite-based algorithms mainly constrained to the…”
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Small phytoplankton dominate western North Atlantic biomass
Published in The ISME Journal (01-07-2020)“…The North Atlantic phytoplankton spring bloom is the pinnacle in an annual cycle that is driven by physical, chemical, and biological seasonality. Despite its…”
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Influence of Raman scattering on ocean color inversion models
Published in Applied optics. Optical technology and biomedical optics (01-08-2013)“…Raman scattering can be a significant contributor to the emergent radiance spectrum from the surface ocean. Here, we present an analytical approach to directly…”
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Validation of the particle size distribution obtained with the laser in-situ scattering and transmission (LISST) meter in flow-through mode
Published in Optics express (30-04-2018)“…High spatial and temporal resolution estimates of the particle size distribution (PSD) in the surface ocean can enable improved understanding of…”
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Carbon: Chlorophyll Ratios and Net Primary Productivity of Subarctic Pacific Surface Waters Derived From Autonomous Shipboard Sensors
Published in Global biogeochemical cycles (01-02-2018)“…We present optically derived estimates of phytoplankton carbon (Cphyto) and chlorophyll a concentration (Chl) across a wide range of productivity and…”
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Photoacclimation of natural phytoplankton communities
Published in Marine ecology. Progress series (Halstenbek) (19-01-2016)“…Phytoplankton regulate internal pigment concentrations in response to light and nutrient availability. Chlorophyll a to phytoplankton carbon ratios…”
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Coherence of particulate beam attenuation and backscattering coefficients in diverse open ocean environments
Published in Optics express (19-07-2010)“…We present an extensive data set of particle attenuation (c(p)), backscattering (b(bp)), and chlorophyll concentration (Chl) from a diverse set of open ocean…”
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Geostationary satellite observations of dynamic phytoplankton photophysiology
Published in Geophysical research letters (28-07-2014)“…Since June 2010, the Geostationary Ocean Color Imager (GOCI) has been collecting the first diurnally resolved satellite ocean measurements. Here GOCI…”
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The North Atlantic Aerosol and Marine Ecosystem Study (NAAMES): Science Motive and Mission Overview
Published in Frontiers in Marine Science (22-03-2019)“…The North Atlantic Aerosols and Marine Ecosystems Study (NAAMES) is an interdisciplinary investigation to improve understanding of Earth’s ocean…”
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Skill metrics for confronting global upper ocean ecosystem-biogeochemistry models against field and remote sensing data
Published in Journal of marine systems (20-02-2009)“…We present a generalized framework for assessing the skill of global upper ocean ecosystem-biogeochemical models against in-situ field data and satellite…”
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