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Last updated on April 18, 2014 at 17:24 EDT

Earth Reference Libraries

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Winter Weather Outlook For November-January For Memphis
2012-09-17 15:37:11

November 2012: The early part of the month will be mild, followed by a drastic change with average temps ranging from the 50-60’s. While there will be 7-9 days that will be warmer and 3-5 days that will be colder. Precipitation for the month will be around 2-3in of rainfall. Wintery Impacts will include frost and freezing conditions along with the potential to see a trace to 1in of snowfall....

Ocean Terms
2012-07-23 11:11:02

Warm Eddy- is an area of water that is made up of warm water and is surrounded by areas of colder water. The north side of the Gulf Stream is a very popular place to find these types of eddies as they form when the water gets cut off from the main Gulf Stream current and just sits and spins in the colder water until it’s replaced by colder water. Cold Eddy- is an area of water that is made...

La-Nina of 2012 Impacts on Honolulu Hawaii
2012-07-19 19:06:01

Honolulu, located in the Pacific Ocean, has a mostly marine time climate and has a pretty consistent temperature average from month to month. This is a look at the La-Nina impacts on the local area. January 2012: For the month of January it is typical to see average high temps in the 80’s while overnight lows drop into the 70’s. During the La-Nina event January temps were normal 71%...

Hadean Eon
2012-06-26 19:51:17

The Hadean is the unofficial geological period of time that lies just before the Archean time period. The Hadean began with the formation of the Earth roughly 4.5 billion years ago (Ga) and ended about 3.8 Ga; the latter date varies according to different sources. Hadean is derived from Hades, Greek for “underworld,” referring to the hellish conditions on the planet at the time. The term...

Earth Day
2012-04-23 12:12:49

Earth Day is a day early each year on which events are held to increase awareness and appreciation of the Earth’s natural environment. It is now coordinated worldwide through the Earth Day Network, founded by Dennis Hayes, and is celebrated in more than 175 countries every year. The United Nations designated April 22 as International Mother Earth Day in 2009, and will continue to be held each...

Frogspawn
2012-04-03 14:56:39

Frogspawn, (Euphyllia divisa), is a species of stony coral native to the Indo-Pacific islands. The related coral E. paradivisa is sometimes misidentified as frogspawn leading to some confusion. E. divisa has a corallite skeleton with a flabello-meandroid (continuous skeletal) “wall” structure, whereas E. paradivisa has a tree-like branching structure with separate corallites. Frogspawn...

Water Cycle
2009-07-06 17:58:20

The water cycle (or hydrologic cycle) describes the continuous movement of water above, below, and on the planet. Since the water cycle is in fact a "cycle", there is no beginning or end. Water exists in three states: liquid, vapor, and ice. Although the balance of water on our planet is fairly constant, individual water molecules may come and go. The water cycle is driven by the sun. The sun...

Meltwater
2009-07-06 17:15:30

Meltwater is water that is released from melting snow or ice. This includes meltwater from glacial ice and ice shelves over oceans. Meltwater is often produced during volcanic eruptions, and can cause dangerous lahars (landslides of wet volcanic debris). When meltwater pools on the surface rather than draining or flowing away, it forms pools known as melt ponds. Meltwater will often refreeze as...

Environmental Science
2014-01-12 00:00:00

Environmental science is a science that contains a wide range of scientific disciplines. These disciplines are grouped together based on the natural environment which they encompass and interact with. These sciences include physical, chemical, and biological components. Environmental science provides an interdisciplinary approach to the study of the environmental systems. The most common way...

Earth Science
2014-01-12 00:00:00

Earth science (or geoscience) is the science of the planet Earth. Earth science can be broken down into four major disciplines, which are: geography, geology, geophysics, and geodesy. These disciplines use physics, chemistry, biology, chronology and mathematics to arrive to a greater understanding of the principal areas of the Earth system. Since Earth is the only known life-bearing planet,...