Cascading Wave

by Miroslava Jurcik

Title

Cascading Wave

Artist

Miroslava Jurcik

Medium

Photograph - Photograph

Description

As the wave which just hit North Head (Sydney, Australia) 90 meter cliff recedes, it creates little cascading waterfalls and the colour of Coccolithophorids makes it look super beautiful !
Carbon uptake by marine phytoplankton, and its export as organic matter to the ocean interior (i.e., the ‘‘biological pump’’), lowers the partial pressure of carbon dioxide (pCO2) in the upper ocean and facilitates the diffusive drawdown of atmospheric CO2. Conversely, precipitation of calcium carbonate by marine planktonic calcifiers such as coccolithophorids increases pCO2 and promotes its outgassing (i.e., the ‘‘alkalinity pump’’). Over the past
100 million years, these two carbon fluxes have been modulated by the relative abundance of diatoms and coccolithophores, resulting in biological feedback on atmospheric CO2 and Earth’s climate; yet, the processes determining the relative distribution of these two phytoplankton taxa remain poorly understood.

Uploaded

August 26th, 2018

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