Member Since 2008
Leah Johnson
Senior Oceanographer, Applied Physics Laboratory University of Washington
AGU Research
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Spatiotemporal Topic Modeling Reveals Storm‐Driven Advection and Stirring Control Plankton Community Variability in an Open Ocean Eddy
JOURNAL OF GEOPHYSICAL RESEARCH: OCEANS
07 november 2024
John San Soucie, Yogesh Girdhar, Leah Johnson, Emi...

Phytoplankton communities in the open ocean are high‐dimensional, sparse, and spatiotemporally heterogeneous. The advent of automated imaging...

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Physical Mechanisms Sustaining Silica Production Following the Demise of the Diatom Phase of the North Atlantic Spring Phytoplankton Bloom During EXPORTS
GLOBAL BIOGEOCHEMICAL CYCLES
16 july 2024
Mark Brzezinski, Leah Johnson, Margaret Estapa, Sa...

Each spring, the North Atlantic experiences one of the largest open‐ocean phytoplankton blooms in the global ocean. Diatoms often dominate th...

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The impact of mixed layer variability on SST prediction
ARABIAN SEA CIRCULATION AND ITS IMPACT ON AIR-SEA INTERACTIONS, BIOGEOCHEMISTRY, AND ECOLOGY II ORAL
air-sea interactions | 23 february 2024
Leah Johnson, Simon P. de Szoeke, Aneesh Subramani...
Subseasonal to seasonal forecasts are likely to improve from better sea surface temperature (SST) predictions, as SST is the bottom boundary condition...
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Particle dynamics, sinking carbon export and the demise of the North Atlantic spring bloom: Results from the EXPORTS-NA field campaign
NEW THOUGHTS TO OLD QUESTIONS: QUANTIFYING CARBON EXPORT AND ATTENUATION AND THEIR CONTROLLING MECHANISMS IN THE OCEAN I ORAL
ocean biology and biogeochemistry | 22 february 2024
David Siegel, Margaret Estapa, Adrian Burd, Erik F...
The sinking particle flux dominates the export and long-term sequestration of organic carbon by the ocean's biological pump and a myriad of ecological...
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Precipitating Fronts in the Bay of Bengal
ARABIAN SEA CIRCULATION AND ITS IMPACT ON AIR-SEA INTERACTIONS, BIOGEOCHEMISTRY, AND ECOLOGY I POSTER
air-sea interactions | 22 february 2024
Taylor McKie, Leah Johnson, Tamara L. Schlosser, D...
The one-dimensional impacts of precipitation on the surface ocean are known to create complex patterns in vertical stratification and enhance interact...
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Eddy Tracking From In Situ and Satellite Observations
JOURNAL OF GEOPHYSICAL RESEARCH: OCEANS
25 august 2023
Zachary K. Erickson, Erik Fields, Leah Johnson, An...

Mesoscale eddies are a dominant source of spatial variability in the surface ocean and play a major role in the biological marine carbon cycle. Sat...

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Multi‐Scale Temporal Variability of Turbulent Mixing During a Monsoon Intra‐Seasonal Oscillation in the Bay of Bengal: An LES Study
JOURNAL OF GEOPHYSICAL RESEARCH: OCEANS
19 january 2023
Hieu T. Pham, Sutanu Sarkar, Leah Johnson, Baylor ...

A process study using large‐eddy simulations is carried out to explore the dominant 1‐D processes that affect mixed layer (ML) properti...

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Variability of mixed layer turbulence in the Bay of Bengal during a MISO event: an LES study
OCEAN SCIENCES 2020
air-sea interactions | 17 february 2020
Hieu T. Pham, Baylor Fox-Kemper, Leah Johnson, Qin...
During an event of Monsoon Intra-seasonal Oscillations (MISO) in the Bay of Bengal, the vertical heat transport in the mixed layer is influenced by th...
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