Sentences with phrase «solar cycle the date»

Not exact matches

Business Cycle Expansion and contraction dates for the United States Economy The generally accepted age for the Earth and the rest of the solar system is about billion years (plus or minus about 1 %).

I have to this date never seen these variations in actual solar activity / cosmic ray flux taken into account when modelling previous ice age cycles, which I find deeply concerning.

Such research dates back to 1991, when the Danish Meteorological Institute released a study showing that world temperatures over the past several centuries correlated very closely with solar cycles.

As of 2015 one CSP project is operating in Morocco, dating back to a development started in 1999 when a grant of US$ 50 million from the Global Environment Facility (GEF) was committed to Morocco for a 470 MW Integrated Solar Combined Cycle project with 20 MW equivalent solar capaSolar Combined Cycle project with 20 MW equivalent solar capasolar capacity.

iii) The periodicity from MWP to LIA to date is probably induced by the solar millennial cycle as described by me elsewhere.

The dates of the solar cycles are very precisely known, allowing dates like these to be obtained with at least an order of magnitude better accuracy.

Add to that the 60 year oceanic cycling and the millennial solar cycling from MWP to LIA to date and that gives a pretty good idea for predictions.

Thus a decline in solar energy will have an immediate effect if it occurs at a time when the overall balance of all the oceanic oscillations is negative as now (2007 to date) when the end of solar cycle 23 is significantly delayed and the late start of cycle 24 suggests a weaker cycle than we have had for some time.

I think they show that both cycles are underlain by a longer, larger cycle giving a background rising trend over the period for which the solar changes from 1600 to date would be a primary candidate.

Leif: yes one can extend the solar cycles backwards BUT as you try to get data to compare it to you are stuck with data taken at long intervals (like very 100 yrs), dating errors, measurement problems, sedimentation discontinuities (the lake dries out or sediment slumps or is dug by an animal) and proxies of unknown validity (like tree rings which I do not believe are valid).

«The average duration of the ~ 1000 - year cycle can be calculated from the grand solar minimum at 11,115 yr BP to the one at 1,265 yr BP (dates from Usoskin et al., 2016) for ten periods at 985 years..»

Other researchers have found that applying the trapezoidal filter of Gleissberg separately to dates of solar cycle minima and maxima from sunspot records then merging them, one also obtains an ~ 80 - year time domain periodicity (Peristykh & Damon, 2003).

On the other hand, climate models using up - to - date solar forcings don't show noticeably lower temperatures in the past decade, and that data runs counter to the idea that longer - term changes in the solar cycle are playing a major role in the pause.

«Even if it (the solar effect) is only 0.1 C over a solar cycle and a little more over a 500 year period from LIA to date then that's a good enough starting point for my NCM because all such solar variability needs to do is alter the size, position and intensity of the polar high pressure cells against an opposing force from oceanic variability.

Even if it is only 0.1 C over a solar cycle and a little more over a 500 year period from LIA to date then that's a good enough starting point for my NCM because all such solar variability needs to do is alter the size, position and intensity of the polar high pressure cells against an opposing force from oceanic variability.