'No Sun link' to climate change
By Richard Black |
Cloud cover affects temperature - but what determines cloud cover? |
Scientists have produced further compelling evidence showing that modern-day climate change is not caused by changes in the Sun's activity.
The research contradicts a favoured theory of climate "sceptics", that changes in cosmic rays coming to Earth determine cloudiness and temperature.
The idea is that variations in solar activity affect cosmic ray intensity.
But UK scientists found there has been no significant link between cosmic rays and cloudiness in the last 20 years.
Presenting their findings in the Institute of Physics journal, Environmental Research Letters, the University of Lancaster team explain that they used three different ways to search for a correlation, and found virtually none.
The IPCC has got it right, so we had better carry on trying to cut carbon emissions |
This is the latest piece of evidence which at the very least puts the cosmic ray theory, developed by Danish scientist Henrik Svensmark at the Danish National Space Cent
I et nyt studie fremlægger Henrik Svensmark, professor ved DTU Space, nye beviser for sin omdiskuterede klimateori. Teorien, der populært går under navnet ’solteorien’ og peger på en kobling mellem kosmisk stråling, dannelse af skyer og klimaet på Jorden, har gennem tiden fået drøje hug.
\ Historien kort
- Den omstridte klimaforsker Henrik Svensmark fastholder sin teori om, at Solens aktivitet og kosmisk stråling har en langt større indflydelse på klimaet end hidtil antaget.
- I et nyt studie fremlægger han resultaterne fra nye laboratorieforsøg og en teoretisk forklaring af, hvordan den kosmiske stråling kan danne skyer.
- En uafhængig klimaforsker mener, at mekanismen kan være rigtig over millioner af år – men ikke har noget med den nuværende globale opvarmning at gøre.
Det skete blandt andet i , da andre forskere efterprøvede den i computermodeller og viste, at kosmisk stråling var utilstrækkeligt til at skabe betingelserne for skydannelse. Det er ellers helt centralt for argumentationen.
Men nu har Henrik Svensmark i samarbejde med blandt andre sin søn og den anerkendte DTU-forsker Martin Enghoff udført nye laboratorieforsøg og fremlagt et forslag til en teore
Suite du billet sur Modélisation des températures. L’index général de la série de billets sur le réchauffement climatique est disponible ici
Aujourd’hui, un petit billet sur une des manipulations opérées par les climato-négationnistes&#;
Contexte
Un des principaux hérauts de des climato-négationnistes est le scientifique danois Henrik Svensmark.
Il a émis l’hypothèse d’une corrélation entre le rayonnement solaire et la couverture nuageuse, et a essayé de démontrer que ceci avait non seulement un rôle dans le réchauffement climatique, mais surtout que c’était un rôle quasi-exclusif.
Je précise que je trouve heureux que des scientifiques remettent en question la théorie dominante (ils le font tous dans toutes les matières, c’est comme cela que la science avance). SAUF QUE le processus est normalement :
- j’ai une hypothèse « révolutionnaire »
- je la teste
- je publie les résultats dans une revue scientifique à comité de lecture
- la communauté scientifique s’en empare, en débat, teste, re-teste, analyse
- un nouveau consensus se forme au bout d’un certain temps : acceptation ou rejet
- le public peut s&#;emparer du consens
Jonathan Tucker in a cave beneath a glacier. (Photo: Rex Features via AP Images)
Most people who deny that human activity is warming the planet just dismiss a massive body of scientific evidence as a big hoax.
But there&#;s a more sophisticated set of climate “skeptics&#; who make arguments that, at least to the lay ear, sound like they&#;re grounded in scientific evidence. And because most of us lack the background to evaluate their claims, they can muddy the waters around an issue that&#;s been settled in the scientific community.
So, as a public service, we gathered eight of the most common of these pseudoscientific arguments and asked some serious climate scientists &#; all working climatologists who have been widely published &#; to help us understand what makes these claims so misleading.
1. No, the Earth Hasn&#;t Stopped Warming Since (or or )
This claim was popularized by “Lord&#; Christopher Monckton, a prominent British climate “skeptic&#; with no scientific background who presented himself as a member of the House of Lords until the Parliament published a cease and desist order demanding that he stop. His so-called “research&#; relies on people&#;s confusion a
Biographies you may also like
Solofo randrianja biography of mahatma A general history of Madagascar, organized in seven chapters: Settlement () - Transforming the island () - Royalty and the rise of kingdoms () - The Missing: mahatma.
Shawn phillips singer biography maxwell Guitarist, songwriter, singer, and sitarist Shawn Phillips boasts a five-decade career that has left critics and audiences wondering how to categorize the type of music that he g: maxwell.
Andrea del sarto biography of albert Discover the life, career, and enduring impact of Italian Renaissance artist Andrea del Sarto in this comprehensive article. Uncover the legacy of this influential g: albert.
Bakhtiyar irani biography of martin garrix Martin Garrix is a Dutch musician, record producer, and DJ from Amstelveen. His music is typically categorized into ‘progressive house’, ‘electro house’, big room house’, and .
Francesca gonshaw miramax careers Allo Allo actor Sam Kelly has died at the age of The Manchester-born comedian, who also starred in Porridge, was reported to have been admitted to a hospice Missing: careers.
Inon barnatan pronunciation of biblical names There are several resources in English that are available for pronouncing common biblical names. Not all of them may agree on every term, but they provide help pronouncing words that may Missing: inon barnatan.