Final answer:
The mean temperature in Reykjavik, Iceland is generally milder than a similar latitude in Alaska due to factors such as the influence of ocean currents, topography, and seasonal variation.
Step-by-step explanation:
When comparing the mean temperature at Reykjavik, Iceland with a similar latitude in Alaska, it is important to consider various factors that influence climate. While both locations are at similar latitudes, the climate in Alaska tends to be colder than in Reykjavik due to several reasons:
- Distance from the ocean: Reykjavik benefits from the moderating influence of the warm North Atlantic Current, which helps to keep temperatures relatively mild. In contrast, similar latitudes in Alaska are much further from a major oceanic influence, resulting in colder temperatures.
- Topography: Alaska has mountainous regions, such as the Southern Alps, which can affect the temperature. The occurrence of more extreme temperatures is limited to the mountainous peaks, whereas coastal regions experience milder temperatures.
- Seasonal variation: The tilt of the Earth's axis affects the angle and intensity of sunlight throughout the year. Reykjavik, being at a higher latitude, experiences milder seasonal changes due to a smaller variation in the tilt of the Earth compared to Alaska.