biogeochemical cycles type water cycle explain
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[tex][/tex]The term biogeochemical is derived from “bio” meaning biosphere, “geo” meaning the geological components and “chemical” meaning the elements that move through a cycle.
The matter on Earth is conserved and present in the form of atoms. Since matter can neither be created nor destroyed, it is recycled in the earth’s system in various forms.
The earth obtains energy from the sun which is radiated back as heat, rest all other elements are present in a closed system. The major elements include:
- Carbon
- Hydrogen
- Nitrogen
- Oxygen
- Phosphorus
- Sulphur
These elements are recycled through the biotic and abiotic components of the ecosystem. The atmosphere, hydrosphere and lithosphere are the abiotic components of the ecosystem.
Types of Biogeochemical Cycles
Biogeochemical cycles are basically divided into two types:
- Gaseous cycles – Includes Carbon, Oxygen, Nitrogen, and the Water cycle.
- Sedimentary cycles – Includes Sulphur, Phosphorus, Rock cycle, etc.
Water Cycle
The water from the different water bodies evaporates, cools, condenses and falls back to the earth as rain.
This biogeochemical cycle is responsible for maintaining weather conditions. The water in its various forms interacts with the surroundings and changes the temperature and pressure of the atmosphere.