Sentences with phrase «very robust trends»

Not exact matches

Thus, comparing specific years is very prone to differences due to the noise, while looking at the trends is more robust.

In fact, Cane et al (1997) argue that the tendency toward increased SST gradient is precisely what is seen if one uses a robust trend analysis to decrease sensitivity of the trend analysis to outliers such as the very large 1982/1983 El Nino event (this event, and the equally large 1997/1998 El Nino event, greatly influence the estimate of a weakening trend of the Walker circulation in Vecchi et al).

«Trend estimates from the SOS [Start of Spring] methods as well as measured and modeled plant phenologystrongly suggest either no or very geographically limited trends towards earlier spring arrival, although we caution that, for an event such as SOS with high interannual variability, a 25 - year SOS record is short for detecting robust trends.»

What is new in this article is the determination of a very robust estimate of the magnitude of the model trends at each atmospheric layer.

One thing that is interesting to note is that the interannual variability — particularly in the transition period between the two observing systems (1995 - 2005 say) is very dependent on exactly how you do the corrections, while the longer term trend is robust.