{"id":317245,"date":"2024-04-10T19:57:14","date_gmt":"2024-04-10T17:57:14","guid":{"rendered":"https:\/\/climatescience.press\/?p=317245"},"modified":"2024-04-10T19:57:17","modified_gmt":"2024-04-10T17:57:17","slug":"scientists-selectively-reject-co2-measurements-that-do-not-align-with-the-human-caused-narrative","status":"publish","type":"post","link":"https:\/\/climatescience.press\/?p=317245","title":{"rendered":"Scientists Selectively Reject CO2 Measurements That Do Not Align With The Human-Caused Narrative"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

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

From NoTricksZone<\/a><\/p>\n\n\n\n

By\u00a0Kenneth Richard<\/a>\u00a0<\/em><\/p>\n\n\n\n

Reconstructions of paleo CO2 levels openly rely on data derived from plant stomata. But when modern (1800s-present) CO2 measurements from stomata conflict with the narrative that humans drive CO2 levels, they are patently rejected.<\/strong><\/p>\n\n\n\n

Scientists readily acknowledge plant stomata evidence from one location are \u201cwidely used as an effective tool for paleoenvironmental reconstructions\u201d of global atmospheric CO2 from 1 to 150 million years ago (Badihagh et al., 2024<\/a><\/strong>).<\/p>\n\n\n\n

For example, in a\u00a0new study<\/a><\/strong>, 100-150 million-year-old stomata samples from Iran are shown to re-confirm global atmospheric CO2 levels hit 1,100 to 1,700 ppm during the Jurassic period. The authors proudly showcase how consistently their stomata-derived CO2 measurements compare to several other reconstructions reaching the same conclusion about past CO2 concentrations.<\/p>\n\n\n\n

\"\"
Image Source:\u00a0Badihagh et al., 2024<\/a><\/strong><\/figcaption><\/figure>\n\n\n\n

But that\u2019s where the stomata-are-an-effective-paleo-CO2-measuring-tool perspective stops.<\/p>\n\n\n\n

Whereas millions of years ago CO2 data derived from stomata were thought to be accurate, direct stomata measurements recorded in scientific papers from only a century ago \u2013 even the 1940s and 1950s \u2013 are regarded as not accurate. They must be rejected.<\/p>\n\n\n\n

Dr. Ernst-Georg Beck\u2019s compiled\u00a0research<\/a><\/strong>\u00a0with plant stomata-derived CO2 measurements was posthumously published in 2022. It\u2019s an exhaustively-referenced paper detailing 97,404 direct near-ground measurement from 901 stations situated across the world, in both hemispheres. (This is very much unlike the ice core CO2 record in which only one continental location, Antarctica, is used; and yet this local record \u2013 contradicted by Greenland ice cores \u2013 is regarded as \u201cglobal\u201d.)<\/p>\n\n\n\n

The research was recorded in 292 scientific papers (77 authors) covering stomata-derived direct CO2 measurements for the industrial era, 1800-1960.<\/p>\n\n\n\n

These database compilations \u2013 ~60,000 global-scale measurements between the 1930s and 1950s alone \u2013 consistently show CO2 hit 380 ppm in 1943 and 372 ppm in 1950, with very small error margins after about 1870.<\/p>\n\n\n\n

The currently accepted CO2 values for 1943 and 1950 are instead recorded as 310 ppm, and the 372 to 380 ppm values are not assumed to have been achieved until the mid-2000s. A data-driven portrayal of a decadal-scale decline in CO2 after the 1940s peak (shown in Fig. 24) contradicts the viewpoint that sharply rising anthropogenic CO2 emissions after 1945 led to tandemly increasing CO2 concentrations. Consequently, these direct CO2 measurements \u2013 tens of thousands of them from across the world \u2013 are rejected by the gatekeepers of the humans-did-it narrative.<\/p>\n\n\n\n

Further, the stomata-derived CO2 values also indicate the temperature is the leading factor determining the CO2 concentration, with the CO2 changes correlationally (r = 0.67) lagging the temperature changes by about a year. This once again conflicts with the conclusion that CO2 levels are determined by anthropogenic emissions.<\/p>\n\n\n\n

\"\"
Image Source:\u00a0Beck, 2022<\/a><\/strong><\/figcaption><\/figure>\n\n\n\n

Another stomatal CO2 study published nearly 20 years ago also documents \u00b1100 ppm CO2 changes over the last few centuries, with a peak of about 380 ppm in the 1940s. Like Beck\u2019s work, this too must be rejected, as it doesn\u2019t align with the human-caused angle.<\/p>\n\n\n\n

\"\"
Image Source:\u00a0Kouwenberg et al., 2005<\/a><\/strong><\/figcaption><\/figure>\n\n\n\n

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

Reconstructions of paleo CO2 levels openly rely on data derived from plant stomata. But when modern (1800s-present) CO2 measurements from stomata conflict with the narrative that humans drive CO2 levels, they are patently rejected.<\/p>\n","protected":false},"author":121246920,"featured_media":317253,"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":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"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":[691828084,691828081,691828080,691828083,691828082],"class_list":{"0":"post-317245","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-uncategorized","8":"tag-anthropogenic-emissions","9":"tag-co2-levels","10":"tag-co2-measurements","11":"tag-direct-stomata-measurements","12":"tag-jurassic-period","14":"fallback-thumbnail"},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/04\/013_infographic_co2.jpg?fit=1754%2C1240&ssl=1","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxLW1-1kwR","jetpack-related-posts":[{"id":192428,"url":"https:\/\/climatescience.press\/?p=192428","url_meta":{"origin":317245,"position":0},"title":"Higher CO2 Concentrations Mean Better Plant Water Use, Enhanced Photosynthesis, Expanding Sahel","author":"uwe.roland.gross","date":"19\/03\/2022","format":false,"excerpt":"William Astley\u2019s comment on CO2 and photosynthesis has been upgraded to a post (subheadings added).\u00a0 Rich green North German park. 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