freshwater ice

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• 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

• Freshwater — is a word that refers to bodies of water such as ponds, lakes, rivers and streams containing low concentrations of dissolved salts and other total dissolved solids. In other words, the term excludes seawater and brackish water.Freshwater is an… …   Wikipedia

• Ice algae — is a general term used to describe all the various types of algal communities encountered in annual and multi year sea ice. The ice algal communities play an important role in primary production and are therefore considered an important part of… …   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

• Freshwater, Isle of Wight — Infobox UK place | country = England official name= Freshwater civil parish= Freshwater [http://www.freshwater parish.org.uk] latitude = 50.682566 longitude = 1.524884 population= 5360 (2001 census) unitary england= Isle of Wight map type = Isle… …   Wikipedia

• ice age — a period when glaciers covered significant portions of the planet, eliminating significant freshwater fish habitats, and marine habitats by lowering sea levels as water became locked up in ice. As the ice melted, fish recolonised these habitats,… …   Dictionary of ichthyology

• National Snow and Ice Data Center — The National Snow and Ice Data Center, or NSIDC, is a United States information and referral center in support of polar and cryospheric research. NSIDC archives and distributes digital and analog snow and ice data and also maintains information… …   Wikipedia

• barrier ice — noun : floating freshwater ice of the antarctic barrier …   Useful english dictionary

• Eastern freshwater cod — Taxobox name = Eastern freshwater cod status = EN status system = iucn2.3 regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Perciformes familia = Percichthyidae genus = Maccullochella species = M. ikei binomial = Maccullochella… …   Wikipedia

• List of freshwater fish of Korea — This is a list of species of fish found in the rivers and lakes of the Korean Peninsula.Lampreys# Arctic lamprey, Lampetra japonica (Martens, 1868) korlink|칠성장어 # Far Eastern brook lamprey, Lampetra reissneri (Dybowski, 1869) korlink|다묵장어 #… …   Wikipedia

• Greenland ice sheet — The Greenland Ice Sheet is a vast body of ice covering 1.71 million km², roughly 80% of the surface of Greenland. It is the second largest ice body in the world, after the Antarctic Ice Sheet. The ice sheet is almost 2,400 kilometers long in a… …   Wikipedia