Comparisons of the North Polar CAP of Mars and the Earth's Northern Hemisphere snow cover

Details Comparisons of the North Polar CAP of Mars and the Earth's Northern Hemisphere snow cover Comparisons of the North Polar CAP of Mars and the Earth's Northern Hemisphere snow cover

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985stin...8534728f&link_type=abstract

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Mathematics

Logic

Annual Variations, Earth (Planet), Mars (Planet), Polar Caps, Polar Regions, Snow Cover, Solar Activity, Climate, Meteorological Parameters, Northern Hemisphere

Scientific paper

The boundaries of the polar caps of Mars have been measured on more than 3000 photographs since 1905 from the plate collection at the Lowell Observatory. For the Earth the polar caps have been accurately mapped only since the mid 1960's when satellites were first available to synoptically view the polar regions. The polar caps of both planets wax and wane in response to changes in the seasons, and interannual differences in polar cap behavior on Mars as well as Earth are intimately linked to global energy balance. In this study data on the year to year variations in the extent of the polar caps of Mars and Earth were assembled and analyzed together with data on annual variations in solar activity to determine if associations exist between these data. It was found that virtually no correlation exists between measurements of Mars north polar cap and solar variability. An inverse relationship was found between variations in the size of the north polar caps of Mars and Earth, although only 6 years of concurrent data were available for comparison.

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