Encounter
Does the diver surface able to see something they couldn't see before?
States
Stages
Signals
Signals
Scar
Five types of reading.
One diver who surfaces differently.
Each article in Encounter teaches a different kind of observation — not a list of facts to memorise, but a way of reading that applies on every dive. Reef health gives you the vocabulary for the whole picture. Bleaching gives you the specific thermal stress event within it. The intruder gives you a framework for recognising ecological disruption that transfers to any species in any ocean. Species populations teaches you to read population health — and absence as data. Human impact gives you the geometry of what people have done, distinct from what nature has.
The diver who carries all five surfaces from every reef with more than a log entry. They surface with understanding — of what state the reef is in, what event it may be experiencing, what belongs and what does not, what the fish community is saying about the pressure above the surface, and what the scars in the substrate are recording about the humans who came before.
None of it requires instruments. None of it requires a scientific protocol. It requires knowing where to look, and what it means. That is what Encounter is for.