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The Sulfur Cycle
Sulfur Cycle Earth
2015/7/22
The ocean represents a major reservoir of sulfur on Earth, with large quantities in the form of dissolved sulfate and sedimentary minerals (e.g., gypsum and pyrite). Sulfur occurs in a variety of vale...
Climate change is in the news frequently these days, and better-informed commentators note that changes in the water cycle pose the greatest challenge to society. We may be able to deal with an increa...
Various human activities, including
fossil fuel combustion and forest clearing, emit
about eight petagrams (or billion tons) of carbon
in the form of CO2 into the atmosphere annually.
The glob...
Nocturnal light and lunar cycle effects on diel migration of micronekton
lunar cycle effects Nocturnal light
2014/4/17
The roles of nocturnal light and lunar phase in the diel migration of micronekton from a nearshore scattering
layer were examined. Migration patterns were measured over six complete lunar cycles usin...
Thin layers of Pseudo-nitzschia spp. and the fate of Dinophysis acuminata during an upwelling–downwelling cycle in a Galician Rı′a
Thin layers of Pseudo-nitzschia spp Dinophysis acuminata
2014/4/21
Fine-resolution measurements of phytoplankton and physical parameters were made from 31 May to 14 June
2005 in the Rı′a de Pontevedra (Spain), which is subject to seasonal upwelling. The main ob...