Sentences with phrase «cycle over millennia»

Not exact matches

They contain stratigraphic cycles and patterns that precisely reveal the succession of climatic and tectonic conditions that have occurred over millennia, thereby enhancing our ability to understand and predict the evolution of our planet.

Professor Zalasiewicz added: «Plastics will continue to be input into the sedimentary cycle over coming millennia as temporary stores — landfill sites — are eroded.

Over the course of millennia, white snow cover, vibrant autumn foliage and bright bursts of green have punctuated the rhythmic cycles of winter frosts, spring showers and long, warm summer days.

Summer insolation decreased by 0.33 W m — 2 at 45 ° N over the millennium, winter insolation increased by 0.83 W m — 2 (Goosse et al., 2005a)(Errata), and the magnitude of the mean seasonal cycle of insolation in the NH decreased by 0.4 W m — 2.

Let's pretend there is a 500 year cycle over the last 2 millennia.

The change in total solar irradiance over recent 11 - year sunspot cycles amounts to < 0.1 %, but greater changes at ultraviolet wavelengths may have substantial impacts on stratospheric ozone concentrations, thereby altering both stratospheric and tropospheric circulation patterns... This model prediction is supported by paleoclimatic proxy reconstructions over the past millennium.

Given that the PETM carbon injection occurred over a period of a few millennia, carbon cycle models suggest that about one - third of the carbon would be airborne as CO2 following complete injection [21].

Summer insolation decreased by 0.33 W m — 2 at 45 ° N over the millennium, winter insolation increased by 0.83 W m — 2 (Goosse et al., 2005a)(Errata), and the magnitude of the mean seasonal cycle of insolation in the NH decreased by 0.4 W m — 2.

Such as another fascinating paper by Don J. Easterbrook, Professor Emeritus in the Deptment of Geology at Western Washington University: «Solar Influence on Recurring Global, Decadal, Climate Cycles Recorded by Glacial Fluctuations, Ice Cores, Sea Surface Temperatures, and Historic Measurements Over the Past Millennium» — Hat tip to Anthony Watt's Watts Up with That.