Output structure

All generated HTML files are fully self-contained: figures are embedded as base64 PNG images, JavaScript libraries are bundled inline, and no external requests are made at view time. The entire output directory can be copied to a USB drive or a vessel intranet server and used offline.

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Directory layout

<output.dir>/
    index.html              front page
    casts.html      sortable table of all casts
    sections.html           section overview cards
    timeseries.html         cruise-wide time series
    casts/
        cast_001.html
        cast_002.html
        ...
    sections/
        section_KTout.html
        section_FARDWO.html
        ...

---

index.html

The front page shows:

• An interactive Leaflet map (bundled offline) with the ship track and all cast positions. Clicking a marker opens a pop-up with cast number and a link to the station page.

• A summary table: total casts, date range, depth range.

• Navigation links to the station index, section overview, and time series page.

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casts.html

A sortable table listing every cast: cast number, date/time, latitude, longitude, and maximum pressure. Each row links to the corresponding station page.

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sections.html

A card grid showing each named section from ctd_sections.yaml. Each card shows the section name, description, cast count, and a thumbnail map. Clicking a card opens the section page.

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Cast pages — casts/cast_NNN.html

One page per cast. Panels shown:

Panel	Description
CT profile	Conservative Temperature vs pressure (downcast and upcast).
T / S / σ₀ profile	Triple-axis profile of in-situ temperature, absolute salinity, and potential density anomaly.
T-S diagram	Temperature–salinity diagram coloured by O₂ saturation.
Auxiliary profiles	O₂ saturation, fluorescence, and turbidity vs pressure.
Stability panels	Buoyancy frequency N² and Turner angle vs pressure.
Cast map	Cruise track with the current cast highlighted.
LADCP profiles	Eastward and northward velocity vs pressure (shown when LADCP data are present).

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Section pages — sections/section_NAME.html

One page per named section. Panels shown:

Panel	Description
Conservative Temperature section	CT colour-filled on a distance × pressure grid.
Absolute Salinity section	SA colour-filled on a distance × pressure grid.
Potential density (σ₀) section	σ₀ colour-filled on a distance × pressure grid.
O₂ saturation section	O₂ colour-filled on a distance × pressure grid.
Section map	Cruise track with section casts highlighted.

All section plots use discrete colorbars with 20 levels. Bathymetry is shown as a filled grey polygon when a GEBCO file is available.

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timeseries.html

Cruise-wide hovmöller diagrams:

Panel	Description
Temperature	CT vs time and pressure (downcasts only).
Salinity	SA vs time and pressure (downcasts only).
O₂ saturation	O₂ % vs time and pressure (downcasts only).

Time runs on the horizontal axis; pressure on the vertical axis (increasing downward).