Global-warming anomaly `solved'
Thursday 13 August 1998
Satellite measurements of the lower atmosphere have consistently found it has cooled over the past two decades, contradicting temperature measurements on the ground, which have shown a consistent rise.
Scientists have looked again at the atmospheric temperature measurements and found that the discrepancy can be explained by a gradual fall in the altitude of the temperature-measuring satellites as they orbit the Earth.
When the scientists compensated for the ``falling satellite'' effect they found that temperatures of the lower atmosphere have actually risen, bringing them more in line with the increase in average surface temperatures.
A scientific consensus has emerged that global warming is real, with pollution to blame.
Some scientists have nevertheless exploited anomalies in the global temperature readings to cast doubt on the idea that man-made emissions of greenhouse gases, such as carbon dioxide, are responsible.
However, Frank Wentz and Matthias Schabel, who work for a Californian consultancy, Remote Sensing Systems, report in the journal Nature that the atmospheric cooling effect of 0.05C per decade, as detected by satellite between 1979 and 1995, is more likely to be a real rise of 0.07C per decade.
This brings the changes in the temperature of the lower atmosphere more into line with the reported increase in the average temperature of the Earth's surface, which is accepted to be 0.13C per decade.
``The difficulty in reconciling the information from these different sources has sparked a debate in the climate community about possible instrumental problems and the existence of global warming,'' Mr Wentz and Mr Schabel write.
- 1 Nigel Farage: Me vs Russell Brand on Question Time – he's got the chest hair but where are his ideas?
- 2 Harry Potter fans can apply to the Hogwarts-inspired College of Wizardry
- 3 Jessica Chambers: 19-year-old woman 'doused with lighter fluid and burned alive' in the US
- 4 Russell Brand calls Nigel Farage 'poundshop Enoch Powell' in BBC Question Time debate
- 5 Orange Wednesdays are no more
Weather bomb in pictures: Storms cuts power for tens of thousands – and snow is on the way
Jessica Chambers: 19-year-old woman 'doused with lighter fluid and burned alive' in the US
Russell Brand calls Nigel Farage 'poundshop Enoch Powell' in BBC Question Time debate
Russell Brand was rendered speechless on Question Time by this man
Fury at Airbus after it hints the super-jumbo may be mothballed
Disgruntled RBS worker writes hilarious open letter to Russell Brand after anti-capitalist publicity stunt leaves him hungry
Nigel Farage defends Kerry Smith 'ch***y' comment: 'If you are going for a Chinese, what do you say you’re going for?'
Nigel Farage's approval rating hits 'record low' as popularity suffers in wake of Ukip sex scandal
Rozanne Duncan: Ukip expels councillor for 'jaw-dropping' comments made in BBC TV interview
Pakistan school attack live: Taliban kill at least 132 children in 'horrifying' massacre
Sony hack: Angelina Jolie branded 'seriously out of her mind' in further embarrassing leaked email saga
£28000 - £32000 per annum + pension + holidays: The Jenrick Group: Maintenance...
£30000 - £38000 per annum + pesion + holidays: The Jenrick Group: World Wide S...
£35000 per annum + Pension+Bupa: The Jenrick Group: We are recruiting for an e...
£43500 per annum + pension + holidays: The Jenrick Group: Night Shift Operatio...