{"id":308693,"date":"2024-03-15T19:42:20","date_gmt":"2024-03-15T18:42:20","guid":{"rendered":"https:\/\/climatescience.press\/?p=308693"},"modified":"2024-03-15T19:42:24","modified_gmt":"2024-03-15T18:42:24","slug":"detecting-climate-scientists-dishonest-fearmongering-loss-of-ocean-oxygen","status":"publish","type":"post","link":"https:\/\/climatescience.press\/?p=308693","title":{"rendered":"Detecting Climate Scientists\u2019 Dishonest Fearmongering Loss of Ocean Oxygen"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

All humans and animals require oxygen to live. So, to evoke public fear, headlines often claimed global warming will cause ocean life to suffocate. They evoke the true but misleading factoid that warmer water holds less oxygen<\/strong>. Thus, rising CO2 will cause the ocean to hold less oxygen leading to suffocation. Dishonestly, they ignore more important dynamics controlling oxygen.<\/p>\n\n\n\n

As illustrated (graphic A), ocean surface temperatures reach 25\u00b0C to 30\u00b0C (red) and rapidly cool to just 5\u00b0C (blue) at 1000-meter depths. Yet in contrast to climate crisis narratives, oxygen levels (graphic B) are highest in the warm surface layers and then become severely depleted to their lowest levels at cold 1000-meter depths.<\/strong> Temperature is simply not the oxygen control knob.<\/p>\n\n\n\n

The high concentrations of oxygen in the upper ocean layers are produced when photosynthesizing phytoplankton split water molecules. In fact, most scientists have determined that not only do phytoplankton provide oxygen for ocean life, but 50% of all the oxygen we breathe is produced by ocean phytoplankton<\/strong> that\u2019s then released into the atmosphere.<\/p>\n\n\n\n

The organic matter produced in the ocean\u2019s sunlit surface layers gradually sinks. As the organic matter is consumed, oxygen is consumed and CO2 is released. Virtually all that organic matter is consumed by the 1000-meter depths, explaining why oxygen reaches its lowest levels by 1000 meters.<\/strong> All that sinking matter feeds the abundant marine life in what is known as the twilight zone<\/strong>, the 200 to 1000-meters depths that lack of light for photosynthesis. Scientists now estimate that 90% of the oceans\u2019 biomass lives and feeds in the twilight zone, fed by organic matter produced by photosynthesis in the warmest surface layer.<\/strong><\/p>\n\n\n\n

It has been proven that the increase in CO2 concentrations has increased photosynthesis, which benefits all marine life in the twilight zone. All photosynthesizing plants and algae depend on one key enzyme known as RUBISCO (graphic C). RUBISCO evolved during the earth\u2019s earliest history when the atmosphere consisted over 6000 ppm CO2 and less than 2% oxygen. Thus, RUBISCO has the ability to incorporate either oxygen, which causes detrimental photorespiration, or incorporate carbon dioxide, which makes the sugars that are the building blocks for all organic tissue. The ratio of oxygen to carbon dioxide determines photosynthesis efficiency. More oxygen or less carbon dioxide depresses photosynthesis<\/strong>.<\/p>\n\n\n\n

During the late Carboniferous and Permian periods 250 to 300 million years ago, oxygen reached its highest concentrations and carbon dioxide reached its lowest. As a result, Tropical Rainforests collapsed and there was a phytoplankton blackout driving the greatest extinctions in earth\u2019s history<\/strong>.<\/p>\n\n\n\n

So, the truth is<\/strong>: more CO2 enables more ocean photosynthesis, increases organic matter to feed marine life, while producing more oxygen that all animals need to live. But that is not the science the climate crisis grifters want you to understand.<\/p>\n\n\n\n

\n\n\n\n

There is indeed observed increases in oceans oxygen minimum zones. The decrease in oxygen is driven by the increase in primary production due to increased upwelling since the end of the Little Ice Age. <\/strong>Upwelling raises oxygen depleted and nutrient enriched deep to the surface triggering increased photosynthesis and organic matter production in the warm surface layers. That further depletes oxygen when increasing organic matter is digested as it sinks back to lower levels. Attached are two illustrations. The top illustrates the oxygen minimum zones are located where upwelling is greatest from the 2015 paper by Moffitt Paleoceanographic Insights on Recent Oxygen Minimum Zone Expansion: Lessons for Modern Oceanography<\/em><\/strong> The bottom illlustration shows how upwelling and productivity has increased since the Little ICe Age from <\/em>Chavez (2011) Marine Primary Production in Relation to Climate Variability and Change<\/em><\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

All humans and animals require oxygen to live. So, to evoke public fear, headlines often claimed global warming will cause ocean life to suffocate. They evoke the true but misleading factoid that warmer water holds less oxygen. Thus, rising CO2 will cause the ocean to hold less oxygen leading to suffocation. Dishonestly, they ignore more important dynamics controlling oxygen.<\/p>\n","protected":false},"author":121246920,"featured_media":308698,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_crdt_document":"","advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"All humans and animals require oxygen to live. So, to evoke public fear, headlines often claimed global warming will cause ocean life to suffocate. They evoke the true but misleading factoid that warmer water holds less oxygen. Thus, rising CO2 will cause","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[691818076,691827625,691827623,691827624,691822716],"class_list":{"0":"post-308693","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-uncategorized","8":"tag-co2","9":"tag-lowest-levels","10":"tag-ocean-oxygen","11":"tag-photosynthesizing-phytoplankton","12":"tag-surface-temperatures","14":"fallback-thumbnail"},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/03\/0GIg4c2PbMAAljyo.jpeg?fit=2511%2C2438&ssl=1","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxLW1-1iiV","jetpack-related-posts":[{"id":290685,"url":"https:\/\/climatescience.press\/?p=290685","url_meta":{"origin":308693,"position":0},"title":"Why Stupid People Believe Climate Change is Suffocating the Oceans","author":"uwe.roland.gross","date":"10\/12\/2023","format":false,"excerpt":"For several years click-bait media has terrorized guilt-ridden people with headlines like \u201cThe Ocean Is Suffocating, and It's Our Fault\u201d. 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