Sentences with phrase «peak measurement period»

Not exact matches

Based on a three - year study with intensive measurements at three different locations in Aarhus, they divide the grass pollen season into three periods, as shown in the graph below: a twin peak profile during the early season, a single evening profile in the middle season and a single midday profile during the late season.

The measurements should be taken during school hours over a suitable time period to be able to quantify the representative sound pressure level, likely to occur during teaching hours and should include noisy events — such as peak time road traffic, but should exclude rare, intermittent events, such as the mowing of school lawns.

With weather averaged out, with solar cycles averaged out, with ice ages and Milankovitch cycles averaged out, in geologic time, galactic cosmic ray flux * is * the driver of the great ice ages and hothouse periods in the Phanerozoic, with something of a 6C or 7C peak to peak temperature swing of * equatorial * ocean temperatures (from my eyeball measurement of a Veizer chart).

Measurement of changes however is much more precise at about 1W / m2 from peak to trough — some 0.25 W / m2 cooling at the surface over the period of ARGO ocean warming.