Decreasing Fog Threatens Redwoods Along California's Coast
Monday, February 15, 2010 - 18:21
in Earth & Climate
California's coastal fog is decreasing significantly and may endanger redwood trees along the coast dependent on cool, humid summers, according to a new study to be published in PNAS. It is unclear whether this is part of a natural cycle of the result of human activity, but the change could affect the entire redwood ecosystem. The results came from analysis of new records recently made available by the National Climate Data Center. The U.S. Surface Airways data come from airports around the country, which have recorded for more than 60 years hourly information such as cloud cover (cloud ceiling height), visibility, wind and temperature. read more