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Silica cycle. Input, output, and biological silicon fluxes, with possible balance. Total silicon inputs = total silicon outputs = 15.6 Tmol Si yr −1 in reasonable agreement with the individual range of each flux. White arrows represent fluxes of net sources of dissolved silicic acid and/or of dissolvable amorphous silica and of dissolved ...
Zuma Beach is a county beach at 30000 Pacific Coast Highway (PCH) in Malibu, California. One of the largest and most popular beaches in Los Angeles County, California, it is known for its long, wide sands and excellent surf. It consistently ranks among the healthiest beaches for clean water conditions in Los Angeles County.
Silicon. face-centered diamond-cubic (cF8) Silicon is a chemical element; it has symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic luster, and is a tetravalent metalloid and semiconductor. It is a member of group 14 in the periodic table: carbon is above it; and germanium, tin, lead, and flerovium ...
Water carried into the mantle eventually returns to the surface in eruptions at mid-ocean ridges and hotspots. [131]: 646 Estimates of the amount of water in the mantle range from 1 ⁄ 4 to 4 times the water in the ocean. [131]: 630–634 The deep carbon cycle is the movement of carbon through the Earth's mantle and core.
Silicon forms a nutrient-like profile in the ocean due to the diatom productivity in shallow depths, which means there is less concentration of silicon in the upper ocean and more concentration of silicon in the deep ocean. [19] Diatom productivity in the upper ocean contribute to the amount of silicon exported to the lower ocean. [20]
Seawater, or sea water, is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of about 3.5% (35 g/L, 35 ppt, 600 mM). This means that every kilogram (roughly one liter by volume) of seawater has approximately 35 grams (1.2 oz) of dissolved salts (predominantly sodium ( Na +
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965 [1] Point Dume is a promontory on the coast of Malibu, California that juts out into the Pacific Ocean. The point, a long bluff, forms the northern end of the Santa Monica Bay. Point Dume Natural Area affords a vista of the Palos Verdes Peninsula and Santa Catalina Island. Zuma Beach lies to its immediate northwest.