For example, the Hadley cell, the large - scale pattern of atmospheric circulation that transports heat from the tropics to the subtropics, has marched
south during recent decades, moving the subtropical dry zone (a band that receives little rainfall) along with it.
In addition to
recent tributes in Greece, Italy, and the United States to Chen Zhen, who died from the rare medical condition autoimmune hemolytic anemia in 2000, his work has been presented at venues throughout Asia, Africa, Europe, and North and
South America
during the past
decade.