This website uses cookies to ensure you have the best experience. Learn more

Biogeochemical Cycles Essay

2245 words - 9 pages

Life on earth maintains its balance by the existence of four biogeochemical cycles, namely, the water cycle, the carbon cycle, the nitrogen cycle and the phosphorus cycle. These cycles are formed on the basis of various organic and inorganic nutrients which circulate through the cycle in different forms along these cycles. These cycles are essential because they prevent the nutrients from being depleted entirely and without these chemicals "life on earth would not be possible" (Phillips and Hilgendorf).The Water cycle: -Water one of the most essential compounds due to which there is life on earth, makes up a major part of the earth and the human body, the reservoirs of water need to be ...view middle of the document...

Run off: - This occurs when ice and snow change into liquid forms and start flowing.Melting: - When temperature raises water changes from its solid form to its liquid form, by the process of melting.Infiltration: - The process by which water gets absorbed into the soil giving the soil moisture, sometimes the moisture level is so high that water goes beneath the soil layer taking along with it the nutrients that are present in the soil.Sublimation: - The process in which a solid changes to gas without changing to liquid in between.Groundwater flow: -Water that gets absorbed into the ground get absorbed into it and collects below the layer of soil, it then flows towards the major reservoirs of water such as oceans.Precipitation: - When water vapor condenses and changes into liquid precipitation takes place in the form of hailstorms, sleet, snow, rain.The hydro cycle begins when energy from the sun causes water to evaporate from water bodies such as oceans, lakes, rivers etc. and change it into water vapor and go into the atmosphere. Water also comes into the atmosphere when there is high temperature, from the stomata of leaves by the process of evapotranspiration. Water vapor then collects in the atmosphere to form clouds as temperature in the atmosphere becomes cooler the water vapor forms into droplets once the cloud become fully saturated with water droplets it condenses and perspiration takes place in the form of rainfall, snowfall, hail, sleet etc.ReservoirVolume (cubic km x 1,000,000) Percent of TotalOceans1370 97.25Ice Caps and Glaciers29 2.05Groundwater 9.5 0.68Lakes0.125 0.01Soil Moisture0.0650.005Atmosphere0.013 0.001Streams and Rivers0.0017 0.0001Biosphere 0.0006 0.00004Precipitation that occurs in mountainous regions leads to the formations of ice caps on the peaks of mountains which when temperature rises resulting in run-off of water from the melting ice-caps down the slopes in the forms of rivers. Some of the water from the rain gets absorbed into the ground by the soil and infiltrates it. Some of the absorbed water passes through the layer of soil and joins the underground water which flows towards larger water bodies such as seas and oceans. Deposition occurs during run off because the rivers carry along with them particles from the mountains and deposit them once they reach a flat area with no slope. Once again the water cycle begins when evaporation and evapotranspiration occurs from the water bodies and plants. The table above (The hydrologic cycle) shows the percentage of water which exists in various forms in its reservoirs.Since water is a non renewable source of energy, it is essential for it to be recycled because water is a source of life and if it ever depletes life on earth will cease to exist.The Carbon Cycle: -Carbon is most abundant non metal element that is present in living organisms, since it is such an essential element, it needs to be recycled regularly in order to prevent it from being used up completely from...

Find Another Essay On Biogeochemical Cycles

Swiss Forest Data Essay

1437 words - 6 pages carbon fluctuations (Yang et al 2012). Additionally, modification to precipitation patterns, atmospheric CO2, and global temperatures are believed to impact N processes and dynamics in forest ecosystems (Callesen et al 2007). The vertical distribution of N and C:N ratios down the soil profile in forest ecosystems indicate how soils respond to environmental changes and are crucial for better understanding biogeochemical cycles(Yang et al 2009

Global Change Essay

1218 words - 5 pages responsible for most of the atmosphere's absorption of UV-B radiation. UV-B radiation degrades DNA which can induce many forms of cancer. The ozone hole over the Antarctic is derived from a complex mixture of the polar vortex during the Antartic winter (June-September) and heterogeneous chlorine chemistry in polar stratospheric clouds. Biogeochemical Cycles The major constituents of living organisms are made up of carbon, oxygen, hydrogen

Health Risk and Environmental Impact of Today’s Food

1232 words - 5 pages 45% a year since 2009 and deaths have risen 73% since 2009. (Grubinger par 2) If the production of GM foods continues, where might these numbers be in five or twenty years from now?The main environmental hazards connected with GM crops are their ability to impact on soil organisms, which play a primary role in crop breakdown and in biogeochemical cycles. (Sakko par 4) Producing and using a product that disallows these organisms to feed and break

Monkey Family: The Olive Baboons Living in the Savanna

2160 words - 9 pages explain the Olive Baboons place in the biogeochemical cycles that sustain life, in the biome through the recycling of phosphorus, carbon, nitrogen and water   The Olive Baboons Living in the Savanna Classification The Olive Baboon is from the Old World monkey family. There are five types of baboons with the Olive Baboon being the biggest and having the largest geological range of all baboons. In order to differentiate it from other organisms, the

Ozone layer Depletion and the future effects it will have on the population. Harmful effects of the Ultraviolet rays

844 words - 3 pages hastening its depletion. His findings started research on "global biogeochemical cycles" as well as the effects of supersonic transport aircraft that release nitrogen oxide into the stratosphere.2 In 1974, Molina and Rowland found that human-made chlorofluorocarbons used for making foam, cleaning fluids, refrigerants, and repellents transform into ozone-depleting agents.3 Chlorofluorocarbons stay in the atmosphere for several decades due to their long

Ecology affect

1210 words - 5 pages , which will be used by the first trophic level as nutrients. Seeing as how every living being is a complex collection of chemicals, it almost goes without saying that a chemical cycle would be extremely important. “The most important biogeochemical cycles affecting ecosystem health are the water, carbon, nitrogen, and phosphorus cycles” (Anennburg Learner, 2010). Water is the most obvious of the chemicals that are important to an ecological

Potential Importance of Viruses in Marine Ecosystems

1405 words - 6 pages have been found to have a significant influence on many ecological processes and biogeochemical cycles in marine ecosystems(2, 4). Studies suggest that viruses contribute to nutrient recycling through the infection and lysis of marine microorganisms, which in turn controls the composition and diversity of microbial communities in marine environments(1, 5). Genes involved in photosynthesis have also been found in viral genomes, leading

The Carbon Cycle

1952 words - 8 pages directly related to the amount of CO2 in the atmosphere as the air-sea interface tries to maintain a constant equilibrium. As the amount of anthropogenic CO2 has been rising in the atmosphere, this has meant a natural rise in the levels of CO2 in the oceans. This rise can have a large effect on the natural biogeochemical cycles of the oceans. The largest effect will be seen through the acidification of the oceans. When CO2 is dissolved in seawater it

This describes the Nitrogen Cycle

702 words - 3 pages The Nitrogen CycleThe nitrogen cycle represents one of the most important nutrient cycles found in terrestrial ecosystems (Figure 1). Nitrogen is used by living organisms to produce a number of complex organic molecules like amino acids, proteins, and nucleic acids. The largest store of nitrogen is found in the atmosphere where it exists as a gas (mainly N2). The atmospheric store is about one million times larger than the total nitrogen

Phytoremediation of heavy metals: a review

695 words - 3 pages the health of many environments within South Africa has deteriorated as a result of immense increases in environmental pollution. Pollution causes adverse changes to natural environments, by changing the natural biogeochemical cycles. Most environmental pollutants are a result of human doings and should be recognized and resolved. Pollution is not only a probel min South Africa as is a global dilemma (Fitamo et al., 2011; Jalali and Dayani

Ecosystem Succession

1082 words - 5 pages amount of primary production determines the amount of energy available to higher trophic levels. The study of how chemical elements cycle through an ecosystem is termed biogeochemistry. A biogeochemical cycle can be expressed as a set of stores and transfers. (Borman et al, 1970).Since disturbances are normal characteristics of all communities, ecologists frequently discuss the disturbance regime of a community. (Wessells et al, 1988). The disturbance

Similar Essays

Marine Biogeochemistry: The World's Topic Trend And The Projection In Indonesia

810 words - 4 pages study in SE Asia. The following part discuss some of those researches. Biogeochemical study in fresh water for instance studied by Jones et al. (2011) about biogeochemistry of manganese in Lake Matano (South Sulawesi, Indonesia). The lake considered as a modern analogue ferruginous ocean. Another research was conducted in the fresh water (Brantas River, Indonesia) in correlation with the estuary and coastal waters of Madura strain (Indonesia

The Process Of Nitrogen Cycle Essay

1409 words - 6 pages The environment is stabilized by the biogeochemical cycles. Biogeochemical cycles are the processes that occur naturally and recycle the nutrients in different chemical forms from the non-living ecosystem to living organisms and then back to the non-living ecosystem. Biogeochemical cycles consist of five cycles which are iron cycle, sulphur cycle, phosphorus cycle, nitrogen cycle and carbon cycle. The most important and complex of biogeochemical

The Industrial Revolution Essay

1505 words - 7 pages was Vitousek et al. (1997) who recognized that past and present agriculture practices had increased carbon dioxide emissions from industrial usage and dramatically transformed the earth. They provide an overview of the biosphere scale changes due to human activities: extensive changes in land use, alteration of biogeochemical cycles, decreased biological diversity, and climate change. Vitousek et al. (1997) set the stage for further research that

Grassland Ecology Essay

841 words - 3 pages destroyed. As the Earth is essentially a closed system with respect to matter, we can say that all matter on Earth cycles. Biogeochemical cycles: the cycling of matter through a system. In general, we can subdivide the Earth system into atmosphere, hydrosphere, lithosphere and biosphere. By matter we mean: elements (carbon, nitrogen, oxygen) or molecules (water) so the movement of matter (for example carbon) between these parts of the system is a