{"help": "https://data.gov.au/data/api/3/action/help_show?name=package_show", "success": true, "result": {"archived": false, "author_email": null, "contact_point": "richard.matear@csiro.au", "creator_user_id": "c2fbbe4a-4ba0-4945-808b-67454605a4cf", "duplicate_score": 2, "geospatial_topic": [], "id": "9b58bd01-9728-4aa5-bad9-a3c825c3ce47", "isopen": false, "language": "eng", "license_id": "notspecified", "license_title": "notspecified", "maintainer": null, "maintainer_email": null, "metadata_created": "2025-06-23T07:55:50.930713", "metadata_modified": "2025-06-23T07:55:50.930720", "name": "2016-soe-marine-chapter-pressures-climate-change-dissolved-oxygen-and-oxygen-minimum-zones", "notes": "The Marine chapter of the 2016 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 associated with climate change - oceanic dissolved oxygen and oxygen minimum zones in shelf and offshore regions\". The full Expert Assessment, including figures and tables (where provided), is attached to this record. Where available, the Data Stream(s) used to generate this Expert Assessment are accessible through the \"On-line Resources\" section of this record.\n\nDESCRIPTION OF THE PRESSURE\nThe ocean is undergoing physical and chemical changes as carbon dioxide and other greenhouse gases in the atmosphere rise. These changes are warming the upper ocean, altering the upper ocean density structure and acidifying the oceans (see ocean sections).  Oxygen is consumed in aerobic respiration and most marine ecosystems are composed of aerobic organisms that need oxygen to survive. Due to aerobic respiration, the dissolved oxygen concentrations in the ocean are lowest in the intermediate water (300 m to 1000 m).  In coastal regions with limited circulation the biological consumption of oxygen can lower oxygen considerably. Global warming is projected to reduced the dissolved oxygen and lead to expansion of areas with low oxygen (Cocco et al., 2013).\nDATA STREAM(S) USED IN EXPERT ASSESSMENT\nOffshore data from around Australia from the latest CARS compilation (CARS2009a v1.1, as of 12 July 2010). 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