LIFESCI 2H03 Lecture Notes - Algal Bloom, Photic Zone, Aphotic Zone
11 Jun 2013
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Document Summary
The organic carbon subcycle component of the carbon cycle which is rapidly moving in terms of the rate of exchange between vegetation in the atmosphere and the ocean an the atmosphere. Burial and recycling in the earth"s rocks is much slower, erosion and volcanoes importance of the subcycle: reacts quickly to any changes in global environment. 20% of carbon cycle involves the organic carbon sybcycle. Chemical weathering and co2u transfer into ocean longer time period leads to regulation of carbon in the atmosphere incorporated in the biomass of algae leads to formation of carbonic acid that leads to the weathering of silicate rocks. Material will be recycled at the boundaries for ocean and continental plates, released over the years through volcanic activity. Ocean plays a crucial role in mediating the amount of co2 we find in the atmosphere. Diffused in the ocean and used by photoplankton can lead to the formation of carbonic acid carbonic acid will dissociate:
