Cycling of Matter Water Cycle Hydrosphere water of
- Slides: 20
Cycling of Matter
Water Cycle • Hydrosphere- water of Earth’s surface • Water Cyclemovement of water in the hydrosphere, driven by sunlight
Hydrological Cycle
Biochemical Cycles • • Oxygen Carbon Nitrogen Phosphorous
Nitrogen & Carbon Cycle
Nitrogen Cycle • Describes the transformations of nitrogen and nitrogencontaining compounds in nature. It is a cycle which includes gaseous components. • Earth's atmosphere is about 78% nitrogen, making it the largest pool of nitrogen. • Nitrogen is essential for many biological processes; it is crucial for any life here on Earth. It is in all amino acids, is incorporated into proteins, and is present in the bases that make up nucleic acids, such as DNA and RNA.
Nitrogen Cycle Movement of Nitrogen between atmosphere, bacteria and other organisms
Oxygen Cycle • the movement of oxygen within and between its three main reservoirs: • atmosphere (air), • biosphere (living things) • lithosphere (Earth's crust). • The main driving factor of the oxygen cycle is photosynthesis, which is responsible for the modern Earth's atmosphere and life.
Oxygen Cycle
Carbon Cycle The cycle is usually thought of as four major reservoirs of carbon interconnected by pathways of exchange. These reservoirs are: • The atmosphere. • The terrestrial biosphere, which is usually defined to include fresh water systems and non-living organic material, such as soil carbon. • The oceans, including dissolved inorganic carbon and living and non-living marine biota, • The sediments including fossil fuels
Phosphorous Cycle • Describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere. • Unlike many other biogeochemical cycles, the atmosphere does not play a significant role in the movements of phosphorus, because phosphorus and phosphorus-based compounds are usually solids at the typical ranges of temperature and pressure found on Earth.
Natural Leaching
Human Impact
Phosphorus Cycle Movement of phosphorus from the environment to organisms and back
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