Thermohaline circulation

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    Thermohaline circulation (THC) is one of three elements responsible for deep-water movements that drive the ocean’s great currents, also known as the global conveyer belt. THC, in conjunction with tidal forces and wind patterns, keep our oceans circulating in what appears to be a closed loop system. As the temperature of seawater passing through the North Atlantic Ocean drops, it freezes and leaves behind saline, increasing salt concentration and therefore density of the surrounding water. The heavier waters then sink, and less dense surface water moves in to fill its place, creating a current. The deep current movements are very important for aquatic ecosystems; the interchange of warmer waters and colder currents moving along the ocean floor brings cooled, nutrient-rich water closer to the surface, where marine and aquatic life get to feed and thrive (Link & Tol, 2004). Figure 3 depicts how the basic circulation pattern occurs as water temperature differential changes at the surface. Figure 3: Thermohaline Circulation (Kennesaw University, n.d.).…

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    Problems of having global treaty for climate change. There are always some advantage and disadvantage to any kind of law. The same is applied to having the global law for climate change, but there more disadvantage than having advantage of global climate change policy. The main disadvantage of having global law will be on many developing and underdeveloped in this word that need the cheap resource of energy to develop. If there are global treaty for climate change then these countries won’t…

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    After giving and discussing the lesson with the class. I will show the students a video giving different reasons of what causes global climate change. In order to assure active learning of lower level students, I will assign the students an activity where they sit in groups of four. The four students in each group have to create two collages, one for natural causes and one for human causes, and give five statements on each collage of why global warming is a natural cause or a human cause. Two…

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    A pressing issue in Pakistan is the country’s vulnerability to climate change. In 2011 the Global Climate Change Vulnerability Index ranked Pakistan as the 16th most vulnerable country after enduring many severe floods, droughts and storms. In a country that relies heavily on the agriculture sector, taking up 45% of employment, the effect of climate change on farming is a serious matter that creates a possible threat to everyday lifestyle. While this issue has created discussion within the…

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    What Global Warming Will Bring Since the Big Bang, there have been a total of seven Ice ages and seven warm periods in the Earth’s history. Accordingly, when the climate changes, many conditions such as sea levels, temperature, humidity and even the major existence of species have been altered as a natural phenomenon. As for this era, we are in interglacial period. Interglacial period is a period that exists between each Ice age, and its climate is altered so slowly that animals cannot even…

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    After reading and discussing “Learning to Die in the Anthropocene” I was left class thinking about it a lot. I really enjoyed the reading, but sort of left with the feeling that it was useless. While it clearly did not offer any practical solutions for climate change, I believe it offered an insight that can be incredibly powerful. Science can tell us climate change is a problem and that x, y, and z will happen if we do not stop doing what we are doing. For the most part, we know this. It is,…

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    Glacier Melting Effects

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    This is having drastic effects. The era we are in now is one of the first experiences the Earth is having with human activity affecting its natural processes. Majority of what is occurring is not natural and can have major potential drawbacks. We have stated that global warming has the potential to delay the next Ice Age however, there is also the possibility of the early onset of the next Ice Age. in the article “crippled Atlantic currents triggered ice age climate change” it is discussed how…

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    Climate Change Issues

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    The earth is home to many men and women who use the land and environment to survive. Whether it be from third world countries where the only food available is the food you plant for yourself, to highly industrialized countries such as America where farms package your food and ship them around the nation. The environment serves as the foundation to human survival. The earth gives so much and asks so little in return. Ironically, men and women all around the world are responsible for the depletion…

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    Many people do not help stop the major international conflict. Part of this conflict starts with ignorance. “In 2005, to date the hottest year on record, there was a massive loss of coral reefs, including some that were healthy and thriving when Columbus first arrived in the Caribbean. In 1998, the second hottest year on record, the world lost an estimate of 16 percent of all its coral reefs” (Gore 164). This quote states the increasing of pollution in the atmosphere and the pollution is…

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    the major service areas in the library. From the lower entrance of the library, a patron would need to walk up two flights of stairs and through a hallway that leads to the third entrance before even seeing the desk, if the patron was looking hard enough. Though it is near a major entry point to the library, it is easy to overlook it as it is hidden behind bulky pillars. Most patrons do not even glance in the direction of the reference desk because it is not near any specific place of use, such…

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