Sea Level Rise

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Sea-level rise is clearly detrimental to the survival of shoreline ecosystems and to the continued existence of hundreds of coastal communities supporting over a billion human beings but, surprisingly, oceanic ecosystems are also at risk. One key example is the impact of rising oceans on marine plants which like their terrestrial counterparts use sunlight for photosynthesis. Deeper water means that plants living an aquatic existence will have access to less light to allow photosynthesis. Marine plant life may be forced to migrate towards shallow waters which themselves are at risk of becoming too deep for sunlight to be seen. There are two varieties of marine plants affected by sea level rise, macro-algae and sea-grass, algae are biologically …show more content…
However, shallow water species may be threatened as their access to sunlight is limited by the increase of depth in the water. Unluckily for sea grass, sea level rise is bad news as the immobile organisms have to cope with darker waters, a larger volume of liquid means that less photosynthesis inducing light can penetrate. This could mean less food for species, which can only exist in stable sea conditions, which have to consume plants of a species which is slowly moving away. Groups of marine plants and plant-like organisms such as kelp can be very vital as micro-ecosystems for various species of fish, crustaceans, mollusks, and some marine mammals such as dugongs. The immature forms of many marine organisms hide inside underwater “forests “in order to evade predators. The disappearance of these vital plants can spell trouble for marine life. Coral reefs are also at risk of rising seas because they depend on stable temperatures and sea levels over a long period of time. Coral reefs serve as homes to many species such as the sea turtle, various eels, shrimp, crabs, sea urchins, and

Sea Level Rise In Vancouver

Sea level rise is projected to be an issue for Vancouver as increasing average temperatures melt glaciers and polar ice caps (Hansen 2015). This is putting the city at a greater risk of sea level rise and flooding (ibid). Particularly, the impacts on land use and housing due to the flooding of property of the rich and poor (Sandwell, 2013). As well, due to more intense precipitation, sea level rise, and storm sewer overflow, there is significant impact on a the tourism industry (Sandwell, 2013).…

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Sea Level Rise: Changing In Temperature And In Climate

Over the years Earth has been changing in temperature and in climate.Glaciers have been melting at an alarming rate and forcing polar bears to relocate. Not only is the sea level rise causing polar bears to relocate it is also affecting humans. The human race is going to experience a population decrease because of sea level rise, which would lead to worldwide chaos. Humans have a huge factor into why this is happening and the consequences that come along with it if it’s not controlled would be catastrophic…

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California Coastline Case Study

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the absolute sea level has risen .06 incher per year. A major change took place in 1993, where the average sea level began to rise at a rate of .11 to .14 inches per year. According to their data relative sea level along the coastline has risen 8inches from 1960-2015. On NASA’s website they have a satellite feed that tracks the rate of change. According to this, the change is 3.2 millimeters per year, since 1993. https://www.epa.gov/climate-indicators/climate-change-indicators-sea-level https://climate…

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Chapter 4 Summary The chapter starts by discussing how sea levels are affecting different areas globally. Sea levels rising by 50cms will leave at least 1.5 million people will be displaced in Egypt alone. Bangladesh loses over 30% of its land area displacing tens of millions of people. New Jersey would see 170 sq. km flooded and Mumbai, Shanghai, New York, London and Venice would be inundated. At a 4° temperature increase, sea level changes would be irreversible. There is uncertainty as regards…

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