Sentences with phrase «yearly variation»

«That downward trend reflects Arctic climate change, but the causes of yearly variations around the trend are harder to pin down,» said Lawrence Hamilton, co-author and a researcher at the University of New Hampshire.

Those natural yearly variations led to the occasional drought, but the long - term drying exacerbated the 2007 - 2010 drought, making it the most severe in the observed record, says Kelley.

In contrast, on decadal and even yearly variations in pH are up to ten times larger than the overall 200 - year trend (the red trend line).

«This study was the first to quantitatively elucidate that ice - ocean albedo feedback is a primary driver of seasonal and yearly variations in Arctic sea ice retreat,» says Kay I. Ohshima.

FREE DOWNLOAD includes ONE Case study with the following calculations: the sales trend, the yearly variation, cyclical variation, full workings and suggested answers.

If you look at the same dataset at the NASA site, you find out a yearly variation around the trend, with standard deviation about 0.12 degrees.

Presumably this yearly variation is related to the variation in solar energy input to the earth, which is maximum in January when the earth is closest to the sun and minimum in July when the earth is at maximum distance from the sun.

That is because the NH is warming up from the winter and the NH drives the yearly variation in the Earth's temperature.

The satellite temps are more sensitive (higher swings) to ENSO and yearly variation than the surface temperatures, and the 5 - year average for 1982 (1979 - 1984) is one of the highest peaks above trend for the UAH record.

The new research, presented Oct. 27 at the World Climate Research Program meeting here, found that storms account for much of that yearly variation.