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Essay about earths subsystem
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Everything in the Earth’s system can theoretically be placed into one of the five subsystems: earth, fire, water, air, and life. The Earth is an open system, meaning that energy and matter can be exchanged between several different systems. Since the planet’s formation, the key subsystems have continuously co-evolved. They are symbiotic in nature and the world would be a completely different place than it is today if one of these key subsystems was altered or disappeared altogether. These subsystems are frequently divided into different spheres of the earth, like the biosphere or the hydrosphere. The earth subsystem, often called the geosphere, can be considered as all the parts that make up the mass of the earth. The earth has three main layers, the core, the mantle, and the crust. However, the lithosphere is just the upper part of the geosphere, the crust and the top portion of the mantle. These parts contribute to the active plate tectonics. The theory of plate tectonics is that the crust of the earth is divided into separate solid plates that move independently on top of the mantle. The two major processes of plate tectonics are spreading and subduction. This idea was discovered by Alfred Wegner in order to support his idea that the earth originally had one large common continent, Pangaea, before drifting into the several continents we have today. Plates have three kinds of boundaries: constructive, destructive, and conservative. Constructive boundaries are mainly ocean ridges. They are simultaneously being created and destroyed and the crust is moved horizontally in the process. Destructive is when the boundaries of oceanic plates are dipping down diagonally below a neighboring plate. These neighboring plates are frequently... ... middle of paper ... ...gazine, 227 (5325), 494-499. doi:10.1126 Olbers, D. (2012, January 29). The Earth System. Retrieved May 11, 2014, from http://www.awi.de/fileadmin/user_upload/Research/Research_Divisions/Climate_Sciences/Climate_Dynamics_new/Publications/earth_system_olbers.pdf Plate Tectonics. (1993). Bloomsbury Guide to Human Thought. Retrieved from http://search.credoreference.com/content/entry/bght/plate_tectonics/0 Pollard, D. (Ed.). (2010). Hunaity now needs 1.5 Earths. Living Planet Report. Snow, D. J. (2001, August 24). Fundamental Concepts of the Earths Systems. (University of Oklahoma) Retrieved May 11, 2014, from Earth System Science Education: http://www.esse.ou.edu/fund_concepts/fund_concept_ess.html#FunCon06 What is Soil Pollution. (2014). Retrieved May 13, 2014, from Conserve Energy Future: http://www.conserve-energy-future.com/causes-and-effects-of-soil-pollution.php
The Mantle makes up 70% of the Earth’s mass and is mostly solid but capable of flow, causing changes in the Earth’s surface.
Herndon J. M, 2005, Current Science, Scientific Basis of Knowledge of Earth’s Composition, 88, 1034-1036)
and Metamorphic rocks can be found. There are also a lot of crusted plates, and violent
Bibliography Wikipedia. The World of the. Gould, Stephen. Jay. Charles Lyell, Principles of Geology.
Retrieved from Oyez: http://www. Chemicals.org/cases/1970-1979/1976/1976_75_699. Cunningham-Parmeter, K. (2013). The 'Path of the Earth'.
839-841). Hoboken, NJ: Wiley & Co., Inc. Kerzner, H. (2013). The 'Path of the Earth'. Journal of Science, 63(3), pp. 113-117.
The Magnificent North American Tectonic Plate Even though other global problems are bigger than Plate tectonics, the North American Plate took many years to form, is very divers, and is purely magnifect because a big part of our everyday life and the plate tectonic theory is one of the oldest theories known to man. There are also many different aspects to the North American Plate. There are regular basic facts about the plates, there are specific scientists that gathered and founded information about this plate and many others. There is the location of this plate and the plates surrounding it. There are multiple different types of boundaries that surround this plate.
Audesirk, T. (2003). Life on Earth. In (Ed.), (3rd ed., pp. 581-620). New York: Pearson Custom Publishing - Prentice Hall, Inc..
Source 4. A map of the Earth’s fault lines and plates with the direction of their movement.
Atmosphere: The Earth has one of the most versatile atmospheres because of the way the solar system here picks up water and carries it around the Earth for redistribution. We have a thick atmosphere that consists mostly of oxygen and nitrogen that helps plants and animals survive so well here on Earth. We also have a "greenhouse effect" that warms our atmosphere and it's surface.
Earth System Science | Contributing to a fundamental scientific understanding of the Earth as a coupled system, through research and teaching. "The Silk Road." Accessed March 14, 2014. http://www.ess.uci.edu/~oliver/silk.html.
According to the still prevailing theory, most of it not all hotspots are believed to be the result of mantle plumes – bodies of warmer , and thus lighter material within that rises by
Earth system refers to the earths interacting physical, biological, and chemical processes. The system consists of land, oceans, atmosphere and poles. The earth system has four spheres, including the geosphere, the hydrosphere, the atmosphere, and the biosphere. The geosphere refers to the solid parts of the earth system, including earth’s rocky crust, mantle, and the metallic core. Within the geosphere is the lithosphere, which only refers to the uppermost layers of solid earth. The uppermost layers of solid earth are the oceanic and continental crust rocks. Just below the crust is the mantle, which is composed mostly of magnesium and iron silicate minerals. The mantle accounts for about 2/3 of the
The branch of science that deals with how living things, including humans, are related to their surroundings is called ecology . The Earth supports some 5 million species of plants, animals, and microorganisms. These interact and influence their surroundings, forming a vast network of interrelated environmental systems called ecosystems. The arctic tundra is an ecosystem and so is a Brazilian rain forest. The islands of Hawaii are a relatively isolated ecosystem. If left undisturbed, natural environmental systems tend to achieve balance or stability among the various species of plants and animals. Complex ecosystems are able to compensate for changes caused by weather or intrusions from migrating animals and are therefore usually said to be more stable than simple ecosystems. A field of corn has only one dominant species, the corn plant, and is a very simple ecosystem. It is easily destroyed by drought, insects, disease, or overuse. A forest may remain relatively unchanged by weather that would destroy a nearby field of corn, because the forest is characterized by greater diversity of plants and animals. Its complexity gives it stability.
The earth is a complex system, which continues to evolve and change. Climate change and global warming are currently popular in the political agenda. But what does “climate” really mean? The difference between weather and climate can be conveyed in a single sentence: “Climate is what you expect; weather is what you get.” Based on research of the geologic record, we know that climate change has happened throughout Earth's history and at present, ever-increasing evidence points to the roles that humans play in altering Earth systems. The Earth and its atmosphere receive heat energy from the sun; the atmospheric heat budget of the Earth depends on the balance between incoming solar radiation and outgoing radiation from the planet; which has been constant over the last few thousand years. However present evidence seems to suggest that the recent increase in temperature has been brought about by pollution of the atmosphere, in particular the release of huge amounts of carbon dioxide, mostly through Anthropogenic Forcing (human activity) and other various internal and external factors. I...