Sentences with phrase «where seasonal variations»

Scientists use permafrost temperature, measured at a depth where seasonal variations cease to occur, as an indicator of long - term change and to represent the mean annual ground temperature.

Not exact matches

«We see this in the Antarctic Dry Valleys, where seasonal temperature variation is sufficient to form and sustain lakes even though mean annual temperature is well below freezing,» Palumbo said.

Add to that the mature indoor cat's typical lifestyle, where sheltered from temperature variations and changes in day length disrupts the natural seasonal cycle of fur growth.

The measurements at MLO, Barrow, Samoa, south pole represent 95 % of the atmosphere, where only seasonal variations and a continuous increase are seen, not (or limited) the influence of local / regional biological decay or uptake, car exhausts or chimneys as in 5 % of the atmosphere over land where such variations are measured for other reasons than a global CO2 level...

It is fastest over land where heat received by day is all lost by radiation to space at night although there are seasonal variations around the globe.

There are also several cases where the two studies» assessment of consistency with the observations of a model's seasonal variations in low cloud reflectivity differ radically.

The most significant seasonal variation surely occurred in the eastern Australian and Antarctic sectors of Gondwana, where summer heating abolished winter high - pressure cells and pulled the ITCZ more poleward.