Mars: The Present Era
Mars: The Present Era
This chapter examines condensation and evaporation on Mars, with particular emphasis on how exchanges of water vapor and carbon dioxide between the atmosphere and polar ice influence the planet's climate. Both Earth and Mars have seasonal cycles. At the poles of each planet, frost accumulates during the fall and winter and evaporates during the spring and summer; and right at the poles, the frost lasts throughout the year. In these respects the seasons on Mars are like the seasons on Earth, but there are differences. For example, on Mars, there are two kinds of frost—water and carbon dioxide, the latter of which is also the major constituent of the atmosphere. The chapter first provides an overview of seasonal cycles of water and carbon dioxide on Mars before discussing the effect of winds on weather. It also considers dust storms and weather fluctuations on Mars.
Keywords: condensation, evaporation, Mars, carbon dioxide, atmosphere, climate, seasonal cycles, winds, weather, dust storms
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