Internal variability as estimated from observations can't explain sea - ice loss
Superposition of a linear trend and internal variability explains sea - ice loss Observational sea - ice record shows no signs of self - acceleration
Not exact matches
Instead, the recent retreat is well described by the
superposition of an externally forced
linear trend and internal variability.
Hence the temperature
trends over the past 135 years can be synthetized the
superposition of a background
linear warming
trend with a triangular shape fluctuation, whose slope is +0.06 + / - 0.11 °C per decade.