Dark production of H2 O2 in the Sargasso Sea

the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

New production in the Sargasso Sea: History and current status

[1] The Sargasso Sea has been, and continues to be, the focus for research on new production in the open ocean. The history of the concept and the evolution of understanding of the mechanisms is reviewed from its inception in the early 1960s through a controversial period in the 1980s to the current status of a plethora of sources of new nitrogen. Rather than viewing all processes supplying new...

Mesoscale variability in the metabolic balance of the Sargasso Sea

Net community production (NCP) experiments based on in vitro changes in dissolved oxygen were carried out in three mesoscale eddies investigated in the Sargasso Sea in the summer of 2004. NCP estimates ranged from negative to positive values, and the age and type of the sampled eddy were important factors responsible for this variability. Positive rates occurred in younger cyclones and in areas...

THE BIOGEOCHEMISTRY OF COBALT IN THE SARGASSO SEA By

Mineralization of dissolved organic carbon in the Sargasso Sea

The lability of dissolved organic carbon was estimated in the Sargasso Sea. Rates of DOC mineralization were estimated by monitoring, with high precision, the accumulation of CO, in dark incubation bottles after the removal of particles > 0.8 pm in size. The minimum incubation time used in these experiments was 24 h. Rates from three 24 h incubations conducted on water from 20 m fell in the nar...