Sentences with phrase «more iron fertilization»

Not exact matches

It remains unclear at this point which particular species bloomed as a result of the HSRC iron release but the team is sending out for analysis more than 10,000 water samples, data the HSRC team says it will share as other iron fertilization experiments have done.

«I am disturbed and disappointed as this will make legitimate, transparent [ocean iron fertilization] experiments more difficult,» Smetacek says.

(Iron fertilization enthusiasts focus on the Southern Ocean because other seas have much more natural algae, so growing blooms might just foster growth that would have happened anyway.)

Previously, scientists had thought that the algae technique, known as iron fertilization, could contribute to the drawdown of up to 1 gigaton of carbon a year — more than 10 % of current yearly emissions.

«There is massive uncertainty in this figure, and until much more research is done no serious scientist should express any confidence in such estimates,» of iron fertilization's geoengineering potential, cautions oceanographer Richard Lampitt of the National Oceanography Center in England, who also argues that more research into such potential geoengineering techniques is needed due to the failure of global efforts to curb greenhouse gas emissions.

According to Ingall, removal of iron by diatom - dominated phytoplankton communities may dampen the intended outcome of enhanced carbon uptake through iron fertilization by reducing the productivity of other phytoplankton, which take up carbon dioxide more efficiently.

After all, ocean fertilization — spreading iron slurry across the seas to persuade them to soak up more carbon dioxide — means changing the chemical composition and biological functioning of the oceans.

This result sheds new light on the effect of long - term fertilization by iron and macronutrients on carbon sequestration, suggesting that changes in iron supply from belowâ as invoked in some palaeoclimatic and future climate change scenarios11â may have a more significant effect on atmospheric carbon dioxide concentrations than previously thought.

But if you want to learn more about iron fertilization, we and our colleagues at Discovery have written a lot about it:

In addition to altering marine food webs, iron fertilization could produce greenhouse gases more potent than carbon dioxide, such as nitrous oxide and methane, or block sunlight needed by deep coral reefs.