Ground showing a pattern of stones, fissures, and vegetation, typically forming polygons, rings, or stripes caused by repeated freezing and thawing.
- ‘Yet patterned ground resembling that of northern polar regions can be seen in deserts as far afield as Egypt, Iran, China, Mongolia, and Peru.’
- ‘By adjusting certain parameters in the model, Kessler and Werner reproduced the full range of stone patterns that make up what scientists call sorted patterned ground.’
- ‘That strongly suggests that these areas of patterned ground have a glacial origin, says Klima.’
- ‘On a smaller scale, the periglacial landscape possesses a diversity of patterned ground phenomena, including circles, stripes, and nets.’
We take a look at several popular, though confusing, punctuation marks.