Glossary of landform and geologic terms. 2013.
pressure ridge — noun : a ridge produced on floating ice by buckling or crushing under lateral pressure of wind or tide or on a congealing lava flow by the continued movement of its liquid interior * * * 1. a ridge produced on floating ice by buckling or crushing … Useful english dictionary
Pressure ridge — A pressure ridge is an ice formation typically found on large frozen lakes during the winter. In the most basic sense, a pressure ridge is a long crack in the ice that occurs because of repeated heating and cooling on the surface of the lake.In… … Wikipedia
pressure ridge — 1. a ridge produced on floating ice by buckling or crushing under lateral pressure of wind or ice. 2. Geol. a ridge produced on a congealing lava flow by pressure from the still liquid interior. [1895 1900] * * * … Universalium
Ice road — Ice roads or ice crossings (which are sometimes referred to as ice bridges), are frozen man made structures formed on the surface of bays, inlets, rivers, lakes or seas, and are linked from frozen waterway to frozen waterway by overland portages … Wikipedia
sea ice — Ice formed from frozen seawater in polar regions. Most sea ice occurs as pack ice, which drifts across the ocean surface; other types of sea ice include fast ice, which is attached to coasts and sometimes the seafloor or between grounded icebergs … Universalium
Ice Skating — ▪ 2009 Introduction Figure Skating. Canada came away as the biggest winner at the 2008 International Skating Union (ISU) world figure skating championships, held in March in Göteborg, Swed., by capturing a gold, a silver, and a bronze… … Universalium
pressure ice — noun : ice in rough irregular ridges formed in the arctic seas when large areas of sea ice press against each other * * * a general term for ice broken and deformed by stresses generated by wind, currents, or waves. * * * pressure ice, ice forced … Useful english dictionary
Beach ridge — A beach ridge is a wave swept or wave deposited ridge running parallel to a shoreline. It is commonly composed of sand as well as sediment worked from underlying beach material. The movement of sediment by wave action is called littoral transport … Wikipedia
Low-pressure area — This depiction of the Hadley cell shows the process which sustains low pressure areas. Diverging winds aloft allow for lower pressure and convergence at the Earth s surface, which leads to upward motion. A low pressure area, or low , is a region… … Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
