The above map illustrates the different definitions of the ice

Winter storm sweeps across the West, chasing away nation's unseasonable heat : NPR

Surface Conditions: Polar Portal

Genomes Reveal Humanity's Journey into the Americas

A New Map Tracks the World's Largest Glaciers

Illustrated Vocabulary Cards & Definitions: Early American History and Geography

38 maps that explain the global economy - Vox

Interactive Map Shows UK Areas That Will be Underwater if Sea Levels Keep Rising

Key physical features - Discovering Antarctica

SWIM Map Shows Subsurface Water Ice on Mars – NASA Mars Exploration

What is the average temperature on Earth?

Climate Change Indicators: Great Lakes Ice Cover

Ice velocity and thickness of the world's glaciers

The World Beyond the Ice Wall : r/MapPorn

Solved The figure above (from Patton et al., 2016.) shows