Learning path 04

Ocean Climate & Conservation

Connect warming, acidification, deoxygenation, carbon storage, and conservation action without treating any one metric as the whole story.

Last updated 2026-09-28 · Reviewed against listed sources
Heat
The ocean stores most of the excess heat added to the climate system
Chemistry
More dissolved CO2 changes seawater carbonate chemistry
Action
Protection works best when goals and monitoring indicators are explicit

Questions worth asking

01

What changed?

Define the baseline, time window, location, and measurement method.

02

Who or what responds?

Species and habitats differ in exposure, tolerance, mobility, and recovery.

03

What is measured?

Distinguish temperature, anomaly, pH, carbonate saturation, stock, and rate.

04

What can conservation solve?

Local protections can reduce pressure, while global drivers need wider action.

Use the data

Data lab

Ocean temperature trends

Explore a transparent example of a long-term temperature anomaly series.

Open resource →Data lab

Marine heatwave tracker

Learn the percentile threshold used to identify unusually warm periods.

Open resource →Data lab

Ocean acidification

Follow the chain from CO2 to pH and carbonate availability.

Open resource →

Ocean field notebook / paths

Field plan: Ocean Climate & Conservation

Connect warming, acidification, deoxygenation, carbon storage, and conservation action without treating any one metric as the whole story.

Station 01

System boundary

Keep organism, habitat, water mass and human pressure at distinct scales, then show explicitly how the proposed mechanism links them. Relate that field focus to “Questions worth asking” before moving to “What changed?.”

Station 02

Measurements to log

Pair a second measurement of the same process with a time series with an explicit baseline. Record depth, location, date, units and sampling effort so a change in conditions is not mistaken for a change in the ocean.

Station 03

Change signal

Compare “What changed?” with “Who or what responds?.” Decide whether the pattern represents exposure, response or recovery, and state the observation period needed to tell them apart.

Open the pre-dive checklist
  • Which variable can be observed directly?
  • Which mechanism needs a second instrument or comparison site?
  • What result from the page sources and linked institutional records would change the planned conclusion?