What are the time scales of linguistic change and evolution?

May 22, 2007 ... The goals of this special feature are twofold: to consider the factors that influence evolution on ecological time-scales – phenotypic plasticity, maternal ... Improving the readability of time-frequency and time-scale representations by the reassignment method · Improving the readability of time-frequency and time- ... As a general rule (with a few exceptions), the smaller the spatial scale, the shorter the duration. the period of time over which something happens. Police officers are trying to construct the timescale of events leading up to the murder. time scale ... Definitions: An agreed upon system for keeping time. All time scales use a frequency source to define the length of the second, which is the ... TAI is the International Atomic Time scale, a statistical timescale based on a large number of atomic clocks. Universal Time (UT) is counted from 0 hours at ... Turbulent motions occur over a wide range of length and time scales. For example, consider the growth of a cumulus cloud. The large scale of the cloud can ... The Geomagnetic Polarity Time Scale (GPTS) has been constructed from an analysis of magnetic anomalies measured over the ocean basins and tying these anomalies ... Time scales are a variant of linear scales that have a temporal domain: domain values are coerced to dates rather than numbers, and invert likewise returns a ... We produced a composite depth scale and chronology for Site U1385 on the SW Iberian Margin. Using log(Ca/Ti) measured by core scanning XRF at 1-cm resolution ...