One problem that persists is that there is still only a relatively short series of direct measurements on which to base our understanding of the Arctic.Satellite monitoring of the Arctic only began in 1978, giving us less than forty years of reliable data.
Undaunted, fresh predictions have been made in every subsequent year.
This comparison shows that the summer sea ice edge was between 1.0 and 1.7° further north in the Weddell Sea during this period but that ice conditions were surprisingly comparable to the present day in other sectors.
2) Trump To Scrap NASA Climate Research In Crackdown On ‘Politicized Science’ The Guardian, 23 November 2016 Oliver Milman Donald Trump is poised to eliminate all climate change research conducted by Nasa as part of a crackdown on “politicized science”, his senior adviser on issues relating to the space agency has said.
“We know that sea ice in the Antarctic has increased slightly over the past 30 years, since satellite observations began.
Scientists have been grappling to understand this trend in the context of global warming, but these new findings suggest it may not be anything new.