Drunken trees, tilted trees, or a drunken forest, is a stand of trees displaced from their normal vertical alignment.
This most commonly occurs in northern subarctic taiga forests of Black Spruce (Picea mariana) under which discontinuous permafrost or ice wedges have melted, causing trees to tilt at various angles.
Tilted trees may also be caused by frost heaving, and subsequent palsa development, hummocks, earthflows, forested active rock glaciers, landslides, or earthquakes. In stands of spruce trees of equal age that germinated in the permafrost active layer after a fire, tilting begins when the trees are 50 to 100 years old, suggesting that surface heaving from new permafrost aggradation can also create drunken forests.
Read more about Drunken Trees: Permafrost, Relationship To Climate Change, Further Reading
Famous quotes containing the words drunken and/or trees:
“What the horrors of war are, no one can imagine. They are not wounds and blood and fever, spotted and low, or dysentery, chronic and acute, cold and heat and famine. They are intoxication, drunken brutality, demoralisation and disorder on the part of the inferior ... jealousies, meanness, indifference, selfish brutality on the part of the superior.”
—Florence Nightingale (1820–1910)
“It is as when a migrating army of mice girdles a forest of pines. The chopper fells trees from the same motive that the mouse gnaws them,—to get his living. You tell me that he has a more interesting family than the mouse. That is as it happens.”
—Henry David Thoreau (1817–1862)