Without an ocean and atmosphere, the earth wouldn't have a biosphere and would resemble the moon. This animation shows NOAA's ETOPO5 global topographic dataset.
Starting with a grid, ocean model, biosphere models and atmospheric models are assembled, simulating the components essential for life.
An excerpt from Seasonal Dance. Shades of green denote leaf area index.
Fractional cover of sea ice and snow.
GENESIS Visualization home page
12/8/97