Sentences with phrase «even seasonal variations»

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.

Since this does not include any climatic variations (not even the seasonal cycle), let alone a test period with a different CO2 level, this data test is unable to constrain the upper limit of the climate sensitivity range.

However, there are substantial spatial and seasonal variations in this field even in the multi-model means depicted in Figure 10.9.

And nine months is not even long enough to figure out the seasonal variation (spring, summer, autumn, winter) for a single year, let alone whether there is a long term trend up or down.

Even though such transitory influences as day and night or seasonal variations in photosynthesis cause clearly visible swings in the curve, the 30 percent drop between 1929 and 1932 caused not a ripple: empirical scientific evidence that the human contribution is in fact less than a fart in a hurricane, as Dr. Hertzberg says.

Seasonal, annual and even decadal variations would cancel each other out if measured over a long enough period.