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What is Whole Earth System Science?. Whole Earth System Science Is…. The concept that the earth is comprised of interacting components or subsystems. The Main Systems. Biosphere = the realm of all living things on earth, including humans.
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Whole Earth System Science Is… • The concept that the earth is comprised of interacting components or subsystems.
The Main Systems • Biosphere = the realm of all living things on earth, including humans. • Geosphere = the realm of all non-living aspects of the earth. The geosphere is divided into 3 subsystems; • The lithosphere • The atmosphere • The hydrosphere
The 4 Spheres Lithosphere Biosphere Atmosphere Hydrosphere
The Biosphere“Life” sphere • The biosphere consists of the totality of life forms on earth. • This includes all plants, animals, and humans.
The Lithosphere“Land” sphere • The lithosphere is the rigid outer layer of the earth that includes the crust and uppermost part of the mantle.
The Atmosphere“Air” sphere • The atmosphere is the gaseous portion of the planet, the planets envelope of air.
The Hydrosphere“Water” sphere • The hydrosphere is the water portion of the planet. • This includes all oceans, lakes, rivers, streams, ponds, snow, ice.
The Cryosphere“Frozen” sphere • The cryosphere is the collective term for all the ice and snow on the earth.