Earth: An Introduction to Physical Geology (12th Edition)

by Tarbuck, Edward J.; Lutgens, Frederick K.; Tasa, Dennis G.

Published by Pearson

ISBN 10: 0134074254

ISBN 13: 978-0-13407-425-2

Chapter 18 - Section 18.2 - Formation and Movement of Glacial Ice - Concept Checks - Page 545: 5

Answer

The front of a glacier can advance when more snow and ice accumulates in the upper part of the glacier than is melting or being lost through other processes. The glacier front retreats when melting and ice loss exceed accumulation. The front can remain stationary when accumulation and loss are in balance.

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