8-2googleearthclimatechangecomplete

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Southern New Hampshire University *

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Geology

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Dec 6, 2023

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1 MeLysa Weir 8-2 Google Earth: Climate Change and Sea Level Rise PHY-105: Geology 23EW6 Southern New Hampshire University Professor Julianne Boucher August 13, 2023

2 1. The other patterns that I see when I was observing the melting of Greenland’s ice sheets were primarily around its borders traveling inwards towards the inland with gradual spreading in the directions of its southern tip. The gradual melting spreading inland, enveloped the southern tip as time went on. The melting pattern remained consistent as it was spreading across the central area of Greenland during the time between 1990 to 1995, but it seems to remain consistent based on its growth. Climate change can be the dominating factor that is attributed to the melting that is spreading based on the increased temperatures of the oceans and the various changes in the weather. 2. The potential impact of global climate change on farmers that grow cereal crops in the 2080’s, is that they will not be able to grow as many with the increased difficulty of it being a rain-fed crop that is crucial for the area itself. Farmable areas will continue to grow smaller, shifting slightly towards the north direction and combining with decreased rainfall that a rain-fed crop would require will decrease the overall crops produced leading to food shortages. 3. The future growth of crops will decrease with the growing seasons expected to shorten from year-round to possibly two short growing seasons within South America. This significant decrease will force farmers to change crops to a crop that has a shorter maturing period and growth time, drastically decreasing food production. The increasing temperatures, shortened seasons, and drastic changes in weather caused by global warming is the primary conclusion. 4. It appears that the Sahara Desert is within the white location on the map. With temperatures continuing to climb desert type terrain will continue to spread out from the

decreased rainfall, killing all vegetation and making it increasingly hard to prevent the surrounding locations from turning into deserts. 5. Water and food are the absolute necessities for survival. With water being number one. As water becomes scarce more conflicts will arise and evidence of this is already happening in some locations now. Within the Southern Hemisphere, South America and Africa are at significant risk just based on the Palmer Drought Security Index. By the year of 2050 annual water withdrawal is predicted to be over an estimated 54% [ CITATION Sou232 \l 1033 ] It shows that the Sahara Desert is putting Africa at considerable risk by expanding into that location. Locations in South America are at an increased risk if a way for water to be imported isn’t discovered for them. [ CITATION ANN22 \l 1033 ] 6. Whenever glaciers retreat, they reshape the topography of the land that surrounds them, as in Canada, the coasts appear to have moved as the glaciers moved to the south causing the land to erode. The sediments, rocks, and ground materials that were frozen into the ice get redeposited into new areas as the glacier melts. The sea level rose in the Mid- Atlantic and New England after the rocks and sediment in the glacier were deposited there. 7. As the Mississippi river drains into the Gulf of Mexico, the river water erodes the land of the outlet of the river redepositing rocks, ground and sediments in another location and in turn causing the sea level to rise in that area. The combination of the waves from the sea and the water flowing from the river are causing the erosion of the outlet and shorelines. So, I think the combined activity of both the sea and the Mississippi River is why the sea level is high here.

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Works Cited MAKINO, A. W. (2022, November 14). The Latin American climate crisis is also a water crisis. How do we move forward? Retrieved from Latin America and Carribean: https://blogs.worldbank.org/latinamerica/latin-american-climate-crisis-also-water-crisis-how-do- we-move-forward South America Climate Data . (n.d.). Retrieved August 13, 2023, from NCAR: https://climatedataguide.ucar.edu/climate-data/prism-high-resolution-spatial-climate-data- united-states-maxmin-temp-dewpoint Tarbuck, E. J. (2020). Earth An Introduction to Physical Geology (13th ed.). New Jersey: Pearson. Retrieved 07 05, 2023, from https://plus.pearson.com/courses/MGEOLPLUS8521812/products/1HJKLFL9MQP/pages/a9ad8b dec66e68342c49d395d4d6b6c7911a41f31? locale=&isTpi=Y&key=2083819532225132694652023

8-2googleearthclimatechangecomplete

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