PPT-Glaciers Topics: Types of Glaciers

Glacier Movement Deposits by Glaciers The Ice Age Glaciers and Global Warming Glacial Rebound Snow Line Glaciers form in areas covered by snow where more snow falls than melts each year. Heaviest particles are unloaded first as a river loses momentum, closest to shore, forming a thick layer of sediment.. Smaller particles are dropped further out leaving a thin layer.. This process is repeated over and over again, until a delta is formed.. Norway has:. Fjords. Glaciers. Rivers ,Streams and . Forests. Winter Olympics. F. jords. A . Fjord is a long narrow inlet of sea between two steep cliffs.. The coast of Norway has hundreds of rocky Fjords.. Glacial Ice. . Once . glacial ice exceeds a thickness of about 150 feet, the weight of the overlying ice causes . the . base of . the glacier . to become plastic and flow like a very viscous liquid. While the bottom ice responds as a plastic solid, the surface ice is very brittle. However, from the surface down to the top of the plastic portion of the glacier, the ice experiences a decrease in . Chapter 7.1. At one time nearly 30% of the earth’s surface was covered in ice. . . This . period of time was referred to . as the . ice age. .. Today. , only . 10% of the earth’s surface is covered in ice. Recognizing flaws in sentences and editing appropriately. Day 1. Please correct this sentence. . Until April 8 1974 Babe Ruth held the American record for home runs he held the record for bases on balls until April 26 2001.. Katya . Hafich. Biological Science Initiative Science Squad 2012. University of Colorado at Boulder. What is a glacier?. A glacier is a large mass of ice that moves very slowly.. ://. geology.about.com. Ms. Martel. What Is A Glacier?. About 75% of Earth’s fresh water is frozen in glaciers.. A glacier is a large mass of compacted snow and ice that moves under the force of gravity.. Glaciers help to carve Earth’s landscapes as it erodes geological features in one place and then re-deposits the material elsewhere. . History of Sea Level Rise in Florida. 120,000 years ago 18,000 years ago Today. + 6 meters - 120 meters . Causes of Sea Level Rise. Thermal expansion of water. 5.7B. Thinking About Glaciers. Glaciers cover about one-tenth of the Earth’s surface. Most of the fresh water found on the Earth is frozen in glaciers.. Glaciers move very slowly and can cause very slow changes to the Earth’s surface.. Do Now:. The material seen below was left behind by a retreating glacier. Describe the sediments seen in the picture. . . Tasman Glacial Moraine, New Zealand. Formed from the accumulation of ice and snow over thousands of years. . More winter snowfall than summer melt. Glacier formation is similar to sedimentary rock formation. Types of Glaciers. Valley glaciers or alpine glaciation. Ice sheets or continental glaciation. Glaciers of the world. Chapter 9 - Section 3, 4, 5, and 6. How Water Erodes. Most sediment washes or falls into a river as a result of mass movement and runoff. Other sediment erodes from the bottom or sides of the river. Streams carry sediment in several . Glaciers. Geologists define a . glacier. as any large mass of ice that moves slowly over land.. There are two types of glaciers:. Continental glaciers. Valley glaciers. Continental Glaciers. A . continental glacier. Once . glacial ice exceeds a thickness of about 150 feet, the weight of the overlying ice causes . the . base of . the glacier . to become plastic and flow like a very viscous liquid. While the bottom ice responds as a plastic solid, the surface ice is very brittle. However, from the surface down to the top of the plastic portion of the glacier, the ice experiences a decrease in .