EXAMPLE DO NOT COPY Module 3 Assignment, Cheat Sheet of Earth Sciences

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3-1 Assignment: Glaciers Laura Spradley Southern New Hampshire University PHY103: Earth System Science Lynda Folts November 13, 2022

A glacier is a deposit of ice on land that is categorized according to size. The main glacier, the medial moraine, the arete, the horn, the cirques, and the truncated spurs are the glaciers' distinguishing features. It starts out as snow, but as it builds up over time, gets bigger, thicker, and more compacted, turning it into a true force of nature. When glacial ice melts or ablates more quickly than new snowfall can fall and combine to generate new glacial ice, glaciers can retreat. According to the article included in this module, recent global warming and a decrease in snowfall have caused several glaciers to retreat. Advancement and retreat depend on where the glacier's terminus, or snout, is located. Mountain, valley, tidewater, piedmont, hanging, cirque, ice aprons, rock, ice caps, ice fields, ice streams, ice sheets, and ice shelves are a few of the different types of glaciers that can be found all over the world. There are numerous varieties of glaciers, since the list is now complete. A glacier has five primary components. Looking at the crevasse field , which is where the flowing ice crosses bumps, first, " Equilibriumlines " are places where merging glaciers flow, The final component is the glacial toe or terminus , when the terminal moraine is deposited. Lateral and medial moraines are the parts where ground-up debris collects. The accumulation area and the ablation area are the two main divisions of a glacier, though. The accumulating area performs precisely what it says on the tin. The glacier gains mass in this region where it is cold, and snow accumulates. The glacier melts in the other part, known as the ablation area, where temperatures are warmer. It might also be the spot where an oceanic glacier meets a land one. Cirques came first. A cirque is an eroded valley created by glaciers. It frequently has an amphitheater-like shape. A cirque staircase is listed second. A sequence of cirques, or glacially eroded rock basins, stacked one on top of the other at various elevations, is known as a cirque staircase. U-shaped valleys come next. They are distinctively U-shaped formations that were sculpted by glaciers. Then, the aretes

References Nag, O. (2018, June 06). A list of glacial erosional features Or Landforms. Retrieved March 19, 2021, from https://www.worldatlas.com/articles/a-list-of-glacial-erosional-features-or- landforms.html#:~:text=%20A%20List%20Of%20Glacial%20Erosional%20Features %20Or,glacier%20carved%20landforms%20that%20exhibit%20a...%20More Depositional features. (n.d.). Retrieved March 19, 2021, from https://glacialfeatures.weebly.com/depositional-features.html