AMOC Monitor: Watchdog of the Atlantic’s Critical System
The Atlantic Meridional Overturning Circulation (AMOC) is essentially the Earth's "thermal operating system." This vast network of currents functions like a giant conveyor belt, transporting warm surface waters from the tropics to the North Atlantic, where they cool, sink, and return south at deeper levels.
Historically, it has been nearly impossible for end-users to access and interpret scientific AMOC values in a simple way. The data is often tucked away in complex formats that require specialized knowledge to extract.
To bridge this gap, I developed two high-performance tools—a Console (CLI) and a Graphical User Interface (GUI)—Launched in February 2026 as a personal project to master the Rust ecosystem, both tools offer full support for Windows and Linux.
Built entirely in Rust 🦀 for maximum efficiency and reliability, these tools allow users to easily process and visualize .nc (NetCDF) files. The application is designed to work seamlessly with data downloaded from the world’s leading climate research institutions:
Copernicus (EU Climate Service)
NASA (Earth Data)
Ifremer (French Institute for Ocean Science)
Scientific Data Providers
Click the logo do download the data
AMOC Tools [ amoc-msdat | amoc-msdam ] - Thermal Monitoring (IFREMER/VIIRS/Copernicus/NASA)
Core Methodology: Trend Analysis
My protocol cross-references raw multidimensional data with visual meteorological models. By avoiding the "smoothing" inherent in algorithms, i preserve the granular anomalies necessary for detecting systemic shifts.
Primary Data Source: NetCDF (.nc) multidimensional arrays via VIIRS (Visible Infrared Imaging Radiometer Suite) and Copernicus Marine Service. Manual of data extracted via Rust from the daily .nc (NetCDF) files of Ifremer and VIIRS satellites (NOAA).
This monitoring protocol tracks the Latitudinal Sea Surface Temperature (SST) Gradient across the North Atlantic Transect (40°N to 65°N). By extracting the thermal variables from the .nc files, we visualize the heat exchange between the subtropics and the subpolar gyre.
⚠️ Key Indicators of AMOC Instability
A statistical decrease in the Delta between the 40°N and 60°N latitudes. This indicates a weakening of the "conveyor belt" and a slowdown in northward heat transport.
Technical Note: The values presented by my aplications (amoc-msdat | amoc-msdam) focus on critical latitudes (40.0°N to 60.0°N), where thermal instability becomes most evident before a systemic collapse.
The "Cold Blob" Anomaly: Persistent, isolated cooling anomalies in the 50°N–60°N range. This appears as unexpected hues in regions where seasonal norms predict warmer transitions. Real-time observation of the formation of the "Cold Blob" in the North Atlantic, a physical indicator of the slowdown in heat transport.
Data Voids & Masking: * "---" or Null Values: Dynamically represented by descriptive captions in my applications
Sensor Redundancy: Where NOAA-20 data is missing due to orbital gaps and where algorithms feel the gap in copernicus.
If you’d like to join me on this project or explore Rust development further, I’d love to hear from you. Please reach out via email at:
📬 Primary: amoc@adelinosaldanha.site
🦀 Rust Specific: rust@adelinosaldanha.site
