This graph looks at the temperatures from the Medieval Warm Period (700-1300 AD) and the Little Ice Age (1560-1830 AD). this states that the temperatures in the medieval period were warmer than today. Also, this states that the temperature was lower during the Little ice Age than they are today. The most probable explanation is the sun, esp during the little ice age. Direct observations of sunspots go back to 1600 AD, allowing comparisons to be made with variations to global climate. The suns radiation being greatest during a sunspot maximum and least during a sunspot minimum, both recurring on an 11-year cycle.
No comments:
Post a Comment