hummocky ice
1hummocky — kē, ki adjective : abounding in hummocks : resembling a hummock : uneven a hummocky road hummocky fields stopped by hummocky ice T.H.Manning …
2Dead-ice — occurs when a glacier or ice sheet ceases to move and melts in situ. After the ice has melted it leaves behind a hummocky terrain produced by the deposition of glacio fluvial sediments and ablation till as the ice melted. Such features include… …
3Hummock — A hummock (of uncertain derivation; cf. hump or hillock) is a boss or rounded knoll of ice rising above the general level of an ice field, making sledge travelling in the Arctic and Antarctic region extremely difficult and unpleasant.Hummocky ice …
4hummock — hummocky, adj. /hum euhk/, n. 1. Also, hammock. an elevated tract of land rising above the general level of a marshy region. 2. a knoll or hillock. 3. Also, hommock. a ridge in an ice field. [1545 55; humm (akin to HUMP) + OCK] * * * …
5Drunken trees — Not to be confused with the floss silk tree, also known as the drunken tree or palo borracho. A drunken forest in Siberia caused by melting permafrost. NASA photo. Drunken trees, tilted trees, or a drunken forest, is a stand of trees displaced… …
6permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …
7glacial landform — ▪ geology Introduction any product of flowing ice and meltwater. Such landforms are being produced today in glaciated areas, such as Greenland, Antarctica, and many of the world s higher mountain ranges. In addition, large expansions of present… …
8Europa (moon) — Europa Europa s trailing hemisphere in approximate natural color. The prominent crater in the lower right is Pwyll and the darker regions are areas where Europa s primarily water ice surface has a higher mineral content. Imaged on September 7,… …
9Moraine — This article is about geological phenomena. For other uses, see Moraine (disambiguation). A moraine is any glacially formed accumulation of unconsolidated glacial debris (soil and rock) which can occur in currently glaciated and formerly… …
10Origin of the Oak Ridges Moraine — For general context, see Oak Ridges Moraine. The Oak Ridges Moraine is a geological landform that runs east west across south central Ontario, Canada. It developed about 12,000 years ago, during the Wisconsin glaciation in North America. A… …
