What is the role of humic acids in seawater?
By: Becca More
Humic acid is the component of soil that is produced in the process of decomposition. It comes about from the breakdown over time of the components of soil. As one could expect, humic acid comes from humus (organic matter that has become stable in that...
By: Shanan King
Spring tides are a type of tide that occurs twice a month. They are not to be thought of as only happening in the Spring as they are not named for this season but for the action of the tide. The term spring tide derives...
Why rip currents are dangerous
By: Lane Olinghouse
Far more deadly than sharks, rip currents claim the lives of over a hundred seaside swimmers and waders every year. All too many of these unfortunate occurrences happen where local authorities have posted prominent signs warning of the danger. Although less common, rip currents also...
Why rip currents are dangerous
By: Nick Somoski
80% of all beach-related lifeguard rescues are due to rip currents. According to a report by ABC News, rip tides claimed the lives of an estimated 72 swimmers in 2010, although the number could have been higher. Due to early deaths, the number was likely...
Where the sand on beaches comes from
By: Lane Olinghouse
A kind of urban legend has it that the sand on the beaches of Hawaii nowadays comes by barge from California. Given recent evidence of significant coastline erosion seen along many beachfronts around the world, one can understand the concept behind the story. However, inasmuch...
By: Jose Juan Gutierrez
Humic acid is the major component of humus which is an organic component of soil. Humic acid is produced by the biodegradation of dead organic matter, and it forms through the combination of acids containing carboxyl and phenyl compounds. Humic acid is usually used as...
The colors of sand on different beaches
By: Patricia Jankowski
Most people have seen the fine grains of sand on a beach along a lake or ocean. Sand is formed over millennia when larger rocks are broken down into smaller and smaller particles by mechanical erosion or weathering. This is caused by freeze/thaw cycles, erosion...
By: Nilanjana Bose
Sand is essentially formed of rock and other particles, weathered finer and finer over time. There are three stages to the process. Summarized briefly, they consist of: 1. The mechanical erosion of large chunks of rock - by fracture on impact, freeze/thaw cycles, and also...
Shipwrecks found in the Red Sea
By: Nick Somoski
The oceans of the world hold much more than just salt. The history beneath the waves is far too plentiful to ever find out in full, but one feature that definitely lies beneath the surface is the assortment of shipwrecks that lie at the bottom...
Shipwrecks found in the Red Sea
By: Michael Totten
For thousands of years, the treacherous waters of the Red Sea have been the crossroads of civilization. The earliest ships in this region were made of reeds, and those which sank have vanished without a trace. However, there have been over a hundred shipwrecks since...

 

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