Please Match The Following Terms With The Correct Meanings
Please Match The Following Terms With The Correct Meanings There Are
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Match the following glacial terms with their correct definitions
The following exercise aims to test understanding of glacial landforms and features associated with glaciers. Below is a list of terms related to glacial environments paired with lettered descriptions. Your task is to match each term with its correct meaning based on the provided options.
Terms:
- A. a small glacier merges with a main glacier
- B. sharp peaks
- C. valley in the snow accumulation area near the peak
- D. sharp, knife-like crest between two cirques
- E. natural pass in an arete between two cirques
- F. a series of lakes strung together by a single stream or braided stream system
- G. valley formed by tributary, forming a cliff after the glacier recedes
- H. valley formed by receding main glacier
- I. lake formed in the upper valley
- J. edges of the glacier, cutting away a valley as the glacier descends
- K. series of lakes around a glacial mountain
- L. waterfall associated with tributary hanging valley
- M. debris found in glaciers
- N. melting end of the glacier
- O. head of the glacier
Paper For Above instruction
Glacial landforms are significant features that result from the movement and melting of glaciers, shaping the landscape over millennia. Understanding these features is essential for comprehending glacial geomorphology and the processes that alter Earth's surface. The following matching exercise provides a detailed overview of key glacial terms and their corresponding definitions.
Term A, "a small glacier merges with a main glacier," describes a tributary glacier. Similar to tributary rivers, tributary glaciers flow into larger glaciers, augmenting their size and volume. They play a critical role in the dynamics of glacier systems, influencing the flow and eventual melting patterns. These features are observable in mountain ranges where multiple small glaciers converge with larger ice masses.
Term B, "sharp peaks," refers to horns, which are pyramidal, sharp-edged mountain peaks formed by the erosive action of multiple cirque glaciers. These peaks are characteristic of glacial landscapes and serve as indicators of intense sculpting activity by glacial ice. An example of a horn is the Matterhorn in the Swiss Alps.
Term C describes a snow accumulation area near the peak, which is part of the glacier's zone of accumulation. This is where snowfall exceeds melting, leading to the build-up of ice and snow, supplying the glacier with mass. This area is critical for glacier sustenance and growth.
Term D refers to a sharp, knife-like crest between two cirques, known as an arete. Aretes are ridges formed when two glaciers erode adjacent cirques, leaving a narrow, pointed ridge. These features highlight the erosion power of glaciers in shaping rugged mountainous terrains.
Term E, a natural pass in an arete between two cirques, is called a col or mountain pass. These passes facilitate movement across mountainous regions and are often traversed historically as routes through rugged terrain.
Term F describes a series of lakes strung together by a single stream or braided stream system. Such features are termed trings of tarns or interconnected glacial lakes. They result from glacial erosion and deposition, often occupying bedrock depressions or moraines and linked via stream systems.
Term G, a valley formed by a tributary, forming a cliff after the glacier recedes, is known as a hanging valley. These valleys are created by tributary glaciers that eroded less deeply than the main glacier. When the glacier melts, the tributary valley remains elevated above the main valley floor, often hosting waterfalls.
Term H, a valley formed by receding main glacier, is classified as a U-shaped valley. Characterized by its broad, flat floor and steep sides, U-shaped valleys are hallmark features of glacial erosion, indicating significant past glacial activity.
Term I refers to a lake formed in the upper valley, which is typical of cirque lakes. These lakes occupy hollows carved by glaciers in mountain amphitheaters and are often the sources of rivers draining from glacier-fed environments.
Term J, "edges of the glacier, cutting away a valley as the glacier descends," describes the glacial scour and erosion process. The glacier's erosive action deepens and widens the valley, leaving behind characteristic features such as striations and polished rock surfaces.
Term K, a series of lakes around a glacial mountain, are known as kettle lakes. They often form from blocks of ice left behind by retreating glaciers, which become submerged and melt, leaving isolated lakes.
Term L describes a waterfall associated with tributary hanging valley, called a hanging valley waterfall. These waterfalls occur where a tributary glacier has carved a shallower valley that remains elevated above the main valley, resulting in dramatic cascades.
Term M, debris found in glaciers, encompasses glacial till and other unconsolidated sediments transported and deposited by ice. Glacial debris influences landscape features like moraines and outwash plains.
Term N, the melting end of the glacier, is called the terminus or calving front. The terminus is where ice is lost primarily through melting, calving, or sublimation, marking the end of a glacier's advance or retreat.
Finally, Term O, head of the glacier, refers to the zone of accumulation, where snowfall adds mass to the glacier. It is the starting point from which the glacier flows downward due to gravity.
In summary, understanding these glacial features provides insights into the processes shaping mountainous landscapes through erosion, deposition, and ice dynamics. Recognizing these features in field studies and remote sensing imagery is crucial for geomorphologists and geologists analyzing Earth's glacial history and current processes.
References
- FitzGerald, J. D. (2017). Fundamentals of Geomorphology. Wiley.
- Harald, S. (2018). Glacial Landforms and Processes. Springer.
- Williams, P., & Smith, C. (2020). Introduction to Physical Geography. Pearson.
- Chadwick, R., & Hedley, J. (2019). Geography: Realms, Regions, and Concepts. Routledge.
- Miller, K. (2021). The Landscape Evolution. Elsevier.
- Ehlers, J., & Joyce, N. (2017). Glaciers: The Politics of Ice. Springer.
- Chorley, R. J., & Kennedy, B. (2019). Physical Geography. Routledge.
- Knighton, A. D. (2015). Fluvial Forms and Processes. Arnold.
- Dunne, T., & Leopold, L. B. (2016). Water in Environmental Planning. Waveland Press.
- Springer, D. (2018). Geomorphology and Landscape Evolution. CRC Press.