Sea ice forms when the ocean freezes in the winter. In contrast to ice shelves it is only several meters thick. Wind can move pieces of sea ice around. When sea ice is pushed together by the wind pressure ridges are formed as shown in this image. If the ridges are older they get covered by snow
Species (common):
Year: 2009
Details:
Media Type: Photograph
Data Type: Photograph
Device Type: Camera:Digital
Feature: Antarctica:AmundsenSea
Investigator: Frank Nitsche
Expedition: NBP0901
Chief Scientist: Stan Jacobs
Species: