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NAVIGATOR · FIELD SCIENCE

Sarah Rose

She holds the watch and the protocol. On ARION, science does not wait for the sea to settle.

Sarah works where observation leaves no room for approximation: far offshore, in short weather windows, with a sea that sets its own pace. Her strength comes from a single demand — holding the boat and holding the method — to produce data that holds up over time.

A trained sailor from childhood (dinghy, racing, offshore), she brings a rare quality to an expedition: a pragmatic reading of the boat and the elements. Anticipation, clean manoeuvres, watch routines, consistent checks: in the south, these are the habits that allow you to last.

On Odyssey of AION, her presence turns the expedition into field science: an autonomous yacht present over time, capable of repeating, comparing, cross-referencing — and therefore adding continuity in under-sampled zones.

Offshore navigation Orcas · ecotypes A–D Antarctic whales Photo-ID · passive acoustics

Overview

The same standard, on two fronts: continuity at sea (watches, manoeuvres, decisions) and scientific continuity (observe, annotate, make comparable). Value does not come from a "spectacular" moment, but from clean, contextualised, cross-referenceable series.

"In these latitudes, the rarest thing is not seeing. The rarest thing is being able to compare. What creates value is continuity: same framework, same metadata, sustained over time."

Sarah Rose — Marine biologist, navigator

Field footage

Raw sequence: real pace, real conditions, method in contact.

Scientific background: making field data comparable

Sarah specialised in cetaceans because it is a field that demands rigour: identify, note, compare, verify. At high latitudes, encounters are often brief, conditions change fast, and observation "by luck" is worthless without a stable framework.

Her work focuses on orcas, with two main axes: photo-identification (fins, scars, pigmentation) and the analysis of distribution ranges from multi-source data: shipboard observations, passive acoustics, and environmental variables (ice, sea surface temperature, productivity).

What this brings to Odyssey of AION is straightforward: a way of working that produces verifiable results. On an engaged circumnavigation, scientific continuity depends on a presence capable of holding the sea as well as the protocol.

Highlights

Here, "premium" means: clean data, contextualised, comparable. The value of an observation is not its rarity — it is its reproducibility.

  • Cetaceans (orcas, whales) · research & field
  • Photo-identification · long-term series
  • Passive acoustics · detection, annotation, context
  • High latitudes · short windows, sober decisions
  • Catalogues & inter-team exchanges · traceability

Between field missions and analysis work, the objective remains the same: structure series that are useful to other teams, beyond the narrative.

Field method: from observation to usable data

1) Acquisition

Capture cleanly: readable photo-ID, short sequences, stable settings, noted context. The goal is not the spectacular image, but the comparable one.

  • Photo-ID: fins, scars, pigmentation
  • Video: short series, consistent settings
  • Context: sea, ice, heading, weather, distance

2) Annotation

An observation is worth what its metadata is worth: position/time, conditions, behaviour, group composition, certainty level.

  • Consistent metadata (stable formats)
  • Certainty scales (no over-interpretation)
  • Quality checklist before archiving

3) Analysis

Build cross-comparable series (season, zone, individuals) to feed catalogues, distribution analyses and testable hypotheses.

  • Photo-ID catalogues: individuals, recaptures
  • Time series: repetition, variations
  • Structured sharing via the Data Hub

What we are really after

In the Southern Ocean, the challenge is not "seeing" — it is connecting. Hold a framework, repeat, compare: that is what turns a rare encounter into lasting information.

Southern Ocean orcas: ecotypes A, B, C and D

Orcas in rough subantarctic seas, offshore
Orcas observed at the edge of the polar front. Certain populations, such as the type D ecotype, appear to favour open ocean areas far from the coast.
Observation from the deck: collecting visual evidence

Antarctic whales: following the great migrants

Beyond orcas, Sarah works on Antarctic baleen whales. Value comes from context: time, sea, ice, heading — and repetition.

Campaigns aim to clarify migration timing, feeding zones and inter-annual variability. What looks small on the scale of a single day becomes significant when series accumulate over weeks and months.

Odyssey of AION adds a useful layer: regular observations, in the same format, in zones where continuity is missing.

Field science & collaborations

Observations, images, sounds and environmental data are archived in the AION Scientific Data Hub. If you work on high-latitude cetaceans or passive acoustics: let's talk, frame it properly, build something clean.