{"id":287907,"date":"2023-11-14T12:20:44","date_gmt":"2023-11-14T11:20:44","guid":{"rendered":"https:\/\/climatescience.press\/?p=287907"},"modified":"2023-11-14T12:20:47","modified_gmt":"2023-11-14T11:20:47","slug":"sahara-expert-says-desert-shrinking-calls-alarmist-tipping-points-complete-nonsense","status":"publish","type":"post","link":"https:\/\/climatescience.press\/?p=287907","title":{"rendered":"Sahara Expert Says Desert Shrinking, Calls Alarmist Tipping Points \u201cComplete Nonsense\u201d"},"content":{"rendered":"\n
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Physical Map Of Africa Mountains | Map Of World<\/a><\/figcaption><\/figure>\n\n\n\n

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

By\u00a0P Gosselin<\/a>\u00a0on\u00a0<\/em>11. November 2023<\/p>\n\n\n\n

Climate tipping points are much more fantasy than science\u00a0.<\/mark><\/em><\/strong><\/p>\n\n\n\n

Austrian\u00a0AUF 1 has posted posted a video<\/a>\u00a0interview with prominent German geologist and Sahara expert\u00a0Dr. Stefan Kr\u00f6pelin,<\/strong><\/p>\n\n\n\n

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Sahara has been shrinking over the past decades. Image: NASA<\/em><\/figcaption><\/figure>\n\n\n\n

Dr. Kr\u00f6pelin is an award-wining geologist and climate researcher at the University of Cologne<\/a> and specializes in studying the eastern Sahara desert and its climatic history. He\u2019s been active out in the field there for more than 40 years.<\/p>\n\n\n\n

In the Auf 1 interview, Dr. Kr\u00f6pelin contradicts the alarmist claims of growing deserts and rapidly approaching climate tipping points. He says that already in the late 1980s rains had begun spreading into northern Sudan and have since indeed developed into a trend. Since then, rains have increased and vegetation has spread northwards. \u201cThe desert is shrinking; it is not growing.\u201d<\/p>\n\n\n\n

Kr\u00f6pelin confirms that when the last ice age ended some 12,000 years ago, the eastern Sahara turned green with vegetation, teemed with wildlife and had numerous bodies of water 5000 \u2013 10,000 years ago (more here<\/a>).<\/p>\n\n\n\n

Later in the interview Kr\u00f6pelin explains how the eastern Sahara climate was reconstructed using a vast multitude of sediment cores and the proxy data they yielded. According to the German geology expert: \u201cThe most important studies that we conducted all show that after the ice age, when global temperatures rose, the Sahara greened\u201d\u2026\u201dthe monsoon rains increased, the ground water rose\u201d. <\/em><\/strong>This all led to vegetation and wildlife taking hold over thousands of year.<\/p>\n\n\n\n

Then over the past few thousands of years, the region dried out. It didn\u2019t happen all of a sudden like climate models suggest.<\/p>\n\n\n\n

Modelers don\u2019t understand climate complexity<\/strong><\/p>\n\n\n\n

When asked about dramatic tipping points (8:00) such as those claimed to be approaching by the Potsdam Institute (PIK), Kr\u00f6pelin says he\u2019s very skeptical and doesn\u2019t believe crisis scenarios such as those proposed by former PIK head, Hans-Joachim Schellnhuber. He says people making such claims \u201cnever did any studies themselves in any climate zone on the earth and they don\u2019t understand how complex climate change is.\u201d<\/p>\n\n\n\n

Except for catastrophic geological events, \u201cit\u2019s not how nature works,\u201d Kr\u00f6pelin says. \u201cThings change gradually.\u201d<\/p>\n\n\n\n

The claims that \u201cwe have to be careful that things don\u2019t get half a degree warmer, otherwise everything will collapse, is of course complete nonsense.\u201d<\/p>\n\n\n\n

\u201cI would say this concept [tipping points] is baseless. Much more indicates that they won\u2019t happen than that they will happen.\u201d<\/p>\n\n\n\n

Late last year in Munich, he called the notion of CO2-induced climate tipping points scientifically outlandish. He also called the prospect of the Sahara spreading into Europe preposterous.<\/p>\n\n\n\n

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U of Cologne Sahara Expert, Geologist Dr. Stefan Kr\u00f6pelin Says Desert Is Shrinking, Calls Alarmist Tipping Points From 0.5\u00b0C Warming "Complete Nonsense"…Modelers Don't Understand Climate Complexity… Climate Changes Gradual @ClimateDepot<\/a> @EIKE_KLIMA<\/a> https:\/\/t.co\/mVrbahV3Pf<\/a> pic.twitter.com\/XwnbdfupHv<\/a><\/p>— Pierre L. Gosselin (@NoTricksZone) November 11, 2023<\/a><\/blockquote>