While the weather can change in just a few hours, climate
changes over longer timeframes.
Not exact matches
BAM has a proven record for a much
longer timeframe and to me it doesn't seem, as if the
change in spreads have had a meaningful impact on the overall picture
over the last decades.
As they write in their 2015 publication in the journal Ambio
over this
longer timeframe of 140 years they measure a
change in behaviour of spring migration that they attribute to structural climate
change.
As SkS has discussed at length with Dr. Pielke Sr.,
over short
timeframes on the order of a decade, there is too much noise in the data to draw any definitive conclusions about
changes in the
long - term trend.
In essence, climate variability looks at
changes that occur within smaller
timeframes, such as a month, a season or a year, and climate
change considers
changes that occur
over a
longer period of time, typically
over decades or
longer.