HCP (NYSE:HCP) announced that its Board of Directors declared an increased quarterly cash dividend of $0. 29, 2015 /PRNewswire/ -- HCP (NYSE:HCP) announced that its Board of Directors declared a quarterly common stock cash dividend of $0.
Earthâs Albedo and Global Warming This interactive activity adapted from NASA and the U.S. Geological Survey illustrates the concept of albedoâthe measure of how much solar radiation is reflected from Earth's surface. The balance between the amount of solar radiation reflected and absorbed by Earth's surface plays an important role in regulating global temperature.
When seen from a distance, the ocean surface has a low albedo, as do most forests, while desert areas have some of the highest albedos among landforms. Most land areas are in an albedo range of 0.1 to 0.4. The average albedo of the Earth is about 0.3. This is far higher than for the ocean primarily because of the contribution of clouds. Human activities have changed the albedo (via forest clearance and farming, for example) of various areas around the globe.