The caesium-137 (137Cs) technique for estimating net, time-integrated soil redistribution by the processes of wind, water and tillage is increasingly being used with repeated sampling to form a baseline to evaluate change over small (years to decades) timeframes.
ENSO cycles last from 3 5 years, while the Pacific Decadal Oscillation takes place on a decade-long timeframe.
"We did respond within the 10 day timeframe.
These natural phenomena happen on a timeframe of decades, not centuries.
"A decade is the minimum possible timeframe for meaningful assessments of climate change," said Michel Jarraud, the WMO's secretary general.
Technology allows us to witness evolution in a comprehensible timeframe; years and decades instead of millennia.
It is thus consistent with our hypothesis that the estimates of both HIV-2 groups' TMRCAs fall in this timeframe, a few decades later than HIV-1 groups M and O [6], [31].
The data for solar radiation were not available for our given exposure window, but rather the 22-year period 1983 2005; however, these data were measured with great accuracy and represent an aggregate measure spanning over two decades that overlap our desired timeframe.
In this study we propose a model to assess the location of shallow landslides and their impact on landscape development within a timeframe of years to decades.
As an introduced species spreads outside its native range, it initiates a complex array of evolutionary processes that can produce clear effects over a timeframe of years or decades.
Average tenure, which is weighted by long-standing CEOs with several decades of service, also dropped in that timeframe, but to a lesser degree decreasing from 7.5 in 2013 to 7.2 in 2017.
