Sentences with phrase «millennial scale trend»

That our millennial scale trend, which we reasonably trust, and have some idea of the uncertainties in, is in line w / that null hypothesis is information that can not be ignored.

Not exact matches

«Instead, the shift to higher temperatures during the 20th century reversed the millennial scale cooling trend.»

Now, no - one thinks that tree ring records have millennial scale non-climatic trends (their problem is precisely the opposite, that the multi-century scale climate trends might be damped), the same is true for ice cores etc..

The suggested synchroneity of tropical and North Atlantic centennial to millennial variability (de Menocal et al., 2000; Mayewski et al., 2004; Y.J. Wang et al., 2005) is not common to the SH (Masson et al., 2000; Holmgren et al., 2003), suggesting that millennial scale variability can not account for the observed 20th - century warming trend.

If you average so as to eliminate millennial - scale variation, I suppose you get that trend.

Gradual, insolation - driven millennial - scale temperature trends in the study area were punctuated by several abrupt climate changes, including a major transient event recorded in all five lakes between 4.3 and 3.2 ka, which overlaps in timing with abrupt climate changes previously documented around the North Atlantic region and farther afield at w4.2 ka.

The Holocene in general shows both a long - term trend (cooling) and millennial and centennial / multidecadal time - scale variability.

Superimposed on these long - term trends are millennial - scale fluctuations characterized by periods of low sea - ice and high sea - surface temperature and salinity that appear quasi-cyclic with a frequency of about one every 2500 — 3000 years.