ice-free period

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• Free port of Ventspils — is a seaport located on the eastern coast of the Baltic Sea (57° 24 N, 21° 32 E), western part of Latvia.For the first time Port of Ventspils was mentioned in historical chronicles in 1263. 17th century for port of Ventspils was a period of a… …   Wikipedia

• Ice age — An ice age is a period of long term reduction in the temperature of the Earth s surface and atmosphere, resulting in an expansion of continental ice sheets, polar ice sheets and alpine glaciers. Glaciologically, ice age is often used to mean a… …   Wikipedia

• Ice hockey at the Olympic Games — Representing Canada, the Winnipeg Falcons (pictured en route to the 1920 Summer Olympics) were the first Olympic champions in ice hockey. Governing body …   Wikipedia

• Free speech fights — is the term used to describe a number of conflicts in the early twentieth century, particularly those relating to the efforts of the Industrial Workers of the World (the IWW , or Wobblies ) to organize workers and publicly speak about labor… …   Wikipedia

• ice hockey — a game played on ice between two teams of six skaters each, the object being to score goals by shooting a puck into the opponents cage using a stick with a wooden blade set at an obtuse angle to the shaft. [1880 85] * * * Game played on an ice… …   Universalium

• 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 in lakes and rivers — Introduction       a sheet or stretch of ice forming on the surface of lakes and rivers when the temperature drops below freezing (0° C [32° F]). The nature of the ice formations may be as simple as a floating layer that gradually thickens, or it …   Universalium

• Ice wine — Grapes for ice wine, still frozen on the vine Ice wine (or icewine; German Eiswein) is a type of dessert wine produced from grapes that have been frozen while still on the vine. The sugars and other dissolved solids do not freeze, but the water… …   Wikipedia

• Ice pack — This article is about a sac filled with a coolant. For sea ice, such as Arctic ice packs, see Pack ice An ice pack An ice pack …   Wikipedia

• Last glacial period — Last glacial redirects here. For the period of maximum glacier extent during this time, see Last Glacial Maximum. The last glacial period was the most recent glacial period within the current ice age occurring during the last years of the… …   Wikipedia

• Medieval Warm Period — Northern hemisphere temperature reconstructions for the past 2,000 years The Medieval Warm Period (MWP), Medieval Climate Optimum, or Medieval Climatic Anomaly was a time of warm climate in the North Atlantic region, that may also have been… …   Wikipedia