Sentences with phrase «regional frequency analysis»

Studies have, however, shown that regional frequency analyses (RFA) may perform better than at - site methods.

Not exact matches

In contrast to all other continents in our analysis, Australia showed no significant trends in biome - level fire season length, but we identified regional increases in the frequency of anomalously long fire weather seasons, especially from 1996 to 2013 (Fig. 3b).
High - frequency associations (not shown here) remain strong throughout the whole record, but average density levels have continuously fallen while temperatures in recent decades have risen... As yet, the reason is not known, but analyses of time - dependent regional comparisons suggest that it is associated with a tendency towards loss of «spring» growth response (Briffa et al., 1 999b) and, at least for subarctic Siberia, it may be connected with changes in the timing of spring snowmelt (Vaganov et al., 1999).
If there is a process in the Berkley regional analysis that preserves low frequency from the original data, what is it?
«This uncertainty must be reflected in micro-scale analyses of local and regional water management issues, particularly in «hot spots» that can now be identified by overlaying significant changes in drought frequencies over geographically explicit distributions of water - sensitive sectors and population centres.»
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