资讯

Without the erosive forces of water, wind, and ice, rock debris would simply pile up where it forms and obscure from view nature's weathered sculptures. Although erosion is a natural process ...
These glacial deposits were of two kinds: Till - mixed or unstratified materials directly deposited by ice. Examples of till deposits include drumlins, moraines and erratics. Fluvio-glacial ...
Researchers say ice provides a protective shield against winter storms and erosion, so a shorter season is a concern. CBC’s Nancy Russell and drone pilot Aaron Adetuyi headed to the shore for ...