Bridging observations, theory and numerical simulation of the ocean using machine learning

M Sonnewald, R Lguensat, DC Jones… - Environmental …, 2021 - iopscience.iop.org
Progress within physical oceanography has been concurrent with the increasing
sophistication of tools available for its study. The incorporation of machine learning (ML) …

Machine learning application in water quality using satellite data

N Hassan, CS Woo - IOP Conference Series: Earth and …, 2021 - iopscience.iop.org
Monitoring water quality is a critical aspect of environmental sustainability. Poor water
quality has an impact not just on aquatic life but also on the ecosystem. The purpose of this …

Mapping algal bloom dynamics in small reservoirs using Sentinel-2 imagery in Google Earth Engine

C Kislik, I Dronova, TE Grantham, M Kelly - Ecological Indicators, 2022 - Elsevier
Freshwater algal blooms have caused ecological damage and public health concerns
throughout the world. Monitoring such blooms via in situ sampling is both costly and time …

Downscaling of ocean fields by fusion of heterogeneous observations using deep learning algorithms

S Thiria, C Sorror, T Archambault, A Charantonis… - Ocean Modelling, 2023 - Elsevier
We present a deep learning method to downscale low-resolution geophysical fields by
merging them with high-resolution data. The downscaling was performed using an …

Annual variations in phytoplankton biomass driven by small-scale physical processes

MG Keerthi, CJ Prend, O Aumont, M Lévy - Nature Geoscience, 2022 - nature.com
Phytoplankton biomass exhibits substantial year-to-year changes, and understanding these
changes is crucial to fisheries management and projecting future climate. These annual …

Recent Trends in SST, Chl‐a, Productivity and Wind Stress in Upwelling and Open Ocean Areas in the Upper Eastern North Atlantic Subtropical Gyre

JP Siemer, F Machín, A González‐Vega… - Journal of …, 2021 - Wiley Online Library
The global upper ocean has been warming during the last decades accompanied with a
chlorophyll‐a (Chl‐a) and productivity decrease. Whereas subtropical gyres show similar …

Global variability of high-nutrient low-chlorophyll regions using neural networks and wavelet coherence analysis

G Basterretxea, JS Font-Muñoz… - Ocean …, 2023 - os.copernicus.org
We examine 20 years of monthly global ocean color data and modeling outputs of nutrients
using self-organizing map (SOM) analysis to identify characteristic spatial and temporal …

Attribution and predictability of climate‐driven variability in global ocean color

HG Lim, JP Dunne, CA Stock… - Journal of Geophysical …, 2022 - Wiley Online Library
For over two decades, satellite ocean color missions have revealed spatio‐temporal
variations in marine chlorophyll. Seasonal cycles and interannual changes of the physical …

Decreasing surface chlorophyll in the tropical ocean as an indicator of anthropogenic greenhouse effect during 1998–2020

F Tian, RH Zhang - Environmental Research Letters, 2023 - iopscience.iop.org
Available satellite data reveal a decreasing trend in surface chlorophyll (SChl) over the
entire tropical ocean until 2020. Where contributions by internal variability and external …

A Multi-Mode Convolutional Neural Network to reconstruct satellite-derived chlorophyll-a time series in the global ocean from physical drivers

J Roussillon, R Fablet, T Gorgues, L Drumetz… - Frontiers in Marine …, 2023 - frontiersin.org
Time series of satellite-derived chlorophyll-a concentration (Chl, a proxy of phytoplankton
biomass), continuously generated since 1997, are still too short to investigate the low …