Advances in Meteorology / 2014 / Article / Fig 4

Research Article

Studying Summer Season Drought in Western Russia

Figure 4

The periodograms for (a) blocking event occurrences, (b) precipitation, and (c) the cross-spectra of blocking and precipitation for the Moscow region covering the period 1970–2013. The abscissa is cycles per decade in (a), (b), and (c). The green (blue) line is the 90% confidence level for a red (white) noise process. The dotted line in (c) assumes only a white noise process.

We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.