From Australian Oceans Data Network
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2021 State of the Environment Report Marine Chapter – Expert Assessment – Pressure – Climate Change – Frequency and severity of extreme weather events

Created 21/12/2025

Updated 21/12/2025

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The Marine chapter of the 2021 State of the Environment (SoE) report incorporates multiple expert templates developed from streams of marine data. This metadata record describes the Expert Assessment "Pressures on the marine environment - climate change - frequency and severity of extreme weather events". A PDF of the full Expert Assessment, including figures and tables (where provided) is downloadable in the "On-line Resources" section of this record as "EXPERT ASSESSMENT 2021 - Frequency and Severity of Extreme Weather Events"

DESCRIPTION OF PRESSURE Extreme weather events represent pressures to the marine and coastal environments through severe storm-induced winds (including tropical and extratropical cyclones) which can cause wind damage and storm surges, heatwaves or shorter-term heat extremes which can stress infrastructure and natural barriers, extreme rainfall events which can cause flooding and erosion, and extreme dry conditions – in particular drought – which can stress natural coastal systems such as mangroves. Aside from the delimited identification of cyclones as either tropical (north of the Tropic of Capricorn (ToC)) and extratropical (south of the ToC), all other listed pressures can affect all coastal regions of Australia.

DATA STREAM(S) USED IN EXPERT ASSESSMENT Literature.

2021 SOE ASSESSMENT SUMMARY [see attached Expert Assessment for full details]

• 2021 • Assessment grade: High impact Assessment trend: Unclear Confidence grade: Somewhat adequate: Adequate high-quality evidence or high level of consensus at a national scale Confidence trend: Limited evidence or limited consensus Comparability: N/A – new assessment

CHANGES SINCE 2016 SOE ASSESSMENT Not previously assessed.

Files and APIs

Tags

Additional Info

Field Value
Title 2021 State of the Environment Report Marine Chapter – Expert Assessment – Pressure – Climate Change – Frequency and severity of extreme weather events
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/630a5ad4-1b64-429f-a288-9a52ba5dd873
Contact Point
Australian Ocean Data Network
info@aodn.org.au
Reference Period 30/07/2021
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        102.65625000000001,
        -47.4609375
      ],
      [
        162.421875,
        -47.4609375
      ],
      [
        162.421875,
        -7.207031249999999
      ],
      [
        102.65625000000001,
        -7.207031249999999
      ],
      [
        102.65625000000001,
        -47.4609375
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "2021 State of the Environment Report Marine Chapter – Expert Assessment – Pressure – Climate Change – Frequency and severity of extreme weather events". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/2021-state-of-the-environment-report-marine-chapter-expert-assessment-pressure-climate-change-f