Sentences with phrase «of ocean iron fertilization»

However, an «inconvenient truth» for proponents of ocean iron fertilization is that stimulation of phytoplankton blooms is only the first step in any successful ocean fertilization effort.

Not exact matches

During her half - hour of interaction with the class, McNutt said, students asked questions ranging from the feasibility of the OTEC, or Ocean Thermal Energy Conversion — a strategy for harvesting energy from the oceans — to whether deforestation in Africa «might actually have a silver lining if it leads to ocean iron fertilization.&rOcean Thermal Energy Conversion — a strategy for harvesting energy from the oceans — to whether deforestation in Africa «might actually have a silver lining if it leads to ocean iron fertilization.&rocean iron fertilization.»

In that project, US entrepreneur Russ George convinced a Haida Nation village to pursue iron fertilization to boost salmon populations, with the potential to sell carbon credits based on the amount of CO2 that would be sequestered in the ocean.

Ocean iron fertilization: Moving forward in a sea of uncertainty.

Possible mechanisms include (iv) fertilization of phytoplankton growth in the Southern Ocean by increased deposition of iron - containing dust from the atmosphere after being carried by winds from colder, drier continental areas, and a subsequent redistribution of limiting nutrients; (v) an increase in the whole ocean nutrient content (e.g., through input of material exposed on shelves or nitrogen fixation); and (vi) an increase in the ratio between carbon and other nutrients assimilated in organic material, resulting in a higher carbon export per unit of limiting nutrient expoOcean by increased deposition of iron - containing dust from the atmosphere after being carried by winds from colder, drier continental areas, and a subsequent redistribution of limiting nutrients; (v) an increase in the whole ocean nutrient content (e.g., through input of material exposed on shelves or nitrogen fixation); and (vi) an increase in the ratio between carbon and other nutrients assimilated in organic material, resulting in a higher carbon export per unit of limiting nutrient expoocean nutrient content (e.g., through input of material exposed on shelves or nitrogen fixation); and (vi) an increase in the ratio between carbon and other nutrients assimilated in organic material, resulting in a higher carbon export per unit of limiting nutrient exported.

From these relationships and reconstructed temperature time series, we diagnose glacial − interglacial time series of dust radiative forcing and iron fertilization of ocean biota, and use these time series to force Earth system model simulations.

If I did, I'd drop $ 200 million on Bussard (I'm sure he'd enjoy that); $ 200 million on kickstarting a vertical farming industry, the same on ocean iron - fertilization studies, another chunk on developing an agrichar infrastructure, and the rest on various projects that can't get funding because they have a low probability of success, but massive payoff if they do work.

What are your views on experiments testing whether fertilization of mineral - starved regions of the oceans with iron could serve to pull carbon dioxide out of the atmosphere?

Think of the baggage / luggage conveyer systems at airports, one blocked piece of lugguage affects & backs up the entire conveyer system, which offsets an even balance, like our oceans, from this iron fertilization!

Examples of papers confirming that fertilization of the oceans by iron could have played a role in ice ages: Moore et al. (2000); Kohfeld et al. (2005); Abelmann et al. (2006); Martínez - Garcia et al. (2011).

As researchers concluded in a new study published in Geophysical Research Letters, ocean iron fertilization can only prove successful as a climate geoengineering approach if, in addition to phytoplankton bloom stimulation, «a proportion of the particulate organic carbon (POC) produced must sink down the water column and reach the main thermocline or deeper before being remineralized... and the third phase is long - term sequestration of the carbon at depth out of contact with the atmosphere.»

This paper considers the practicalities, opportunities and threats associated with one of the earliest proposed carbon - removal techniques: large - scale ocean fertilization, achieved by adding iron or other nutrients to surface waters.

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.

They include ocean iron fertilization and sulfate aerosol spraying, each of which now has a scientific - commercial constituency.

There have been iron fertilization experiments of the ocean before, many of them, in the equatorial Pacific, the Southern Ocean, and the North Pacocean before, many of them, in the equatorial Pacific, the Southern Ocean, and the North PacOcean, and the North Pacific.

Blain, S. Effect of natural iron fertilization on carbon sequestration in the Southern Ocean.

Modelers have long ago concluded that iron fertilization of the ocean can play only a small role in managing the carbon cycle in the coming century.

But the change in carbon chemistry of the ocean and ultimately the atmosphere need to be transparently documented, also, if we are to trade carbon offsets based on iron fertilization.

EFFECT OF NATURAL IRON FERTILIZATION ON CARBON SEQUESTRATION IN THE SOUTHERN OCEAN Nature, Vol 446 26 April 2007 doi: 10.1038 / nature05700 The efficiency of fertilization, defined as the ratio of the carbon export to the amount of iron supplied, was at least ten times higher than previous estimates from short - term blooms induced by iron - addition experimentOF NATURAL IRON FERTILIZATION ON CARBON SEQUESTRATION IN THE SOUTHERN OCEAN Nature, Vol 446 26 April 2007 doi: 10.1038 / nature05700 The efficiency of fertilization, defined as the ratio of the carbon export to the amount of iron supplied, was at least ten times higher than previous estimates from short - term blooms induced by iron - addition experimeIRON FERTILIZATION ON CARBON SEQUESTRATION IN THE SOUTHERN OCEAN Nature, Vol 446 26 April 2007 doi: 10.1038 / nature05700 The efficiency of fertilization, defined as the ratio of the carbon export to the amount of iron supplied, was at least ten times higher than previous estimates from short - term blooms induced by iron - addition experimentof fertilization, defined as the ratio of the carbon export to the amount of iron supplied, was at least ten times higher than previous estimates from short - term blooms induced by iron - addition experimentof the carbon export to the amount of iron supplied, was at least ten times higher than previous estimates from short - term blooms induced by iron - addition experimentof iron supplied, was at least ten times higher than previous estimates from short - term blooms induced by iron - addition experimeiron supplied, was at least ten times higher than previous estimates from short - term blooms induced by iron - addition experimeiron - addition experiments.

Sequestering carbon in these parts of the global ocean via iron fertilization «would require significant ecosystem change,» Trull's paper said.

-- Southern Ocean Iron Fertilization Experiment (SOFeX)-- The basics of the most recent expedition — Penny Chisholm's site, which lists many professional papers — Paul Falkowski's article (PDF document)-- DOE article: Climate Change Scenarios Compel Studies of Ocean Carbon Storage — Government site for carbon sequestration research — An earlier piece Williams wrote on sequestration — Will Ocean Fertilization To Remove Carbon Dioxide from the Atmosphere Work?

Kim Stanley Robinson's wildly successful 1993 science fiction trilogy about geo - engineering and terraforming, Red Mars, Green Mars, Blue Mars, describes «the fertilization of the Antarctic Ocean with iron dust, which was to act as a dietary supplement to phytoplankton» as a cure for both global warming and dying coral reefs.

In that project, US entrepreneur Russ George convinced a Haida Nation village to pursue iron fertilization to boost salmon populations, with the potential to sell carbon credits based on the amount of CO2 that would be sequestered in the ocean.

The 2012 iron fertilization generated an algae bloom that fed salmon at the right time to boost the salmon population * the salmon bloom died in days and then fell to the bottom of the ocean taking large amounts of CO2 with them

Oceaneos makes the case for iron fertilization of the ocean.

After that come a bunch of ocean fertilization schemes, using phosphorous, nitrogen and iron, all of which offer something in the region of 0.1 - 0.2 W / m ².

During the Ocean Iron Fertilization meeting Dr. Hauke Kite - Powell, of the Marine Policy Center at WHOI, estimated the possible future value of ocean fertilization at $ 100 billion of the emerging international carbon trading market, which has the goal of mitigating global warOcean Iron Fertilization meeting Dr. Hauke Kite - Powell, of the Marine Policy Center at WHOI, estimated the possible future value of ocean fertilization at $ 100 billion of the emerging international carbon trading market, which has the goal of mitigating glFertilization meeting Dr. Hauke Kite - Powell, of the Marine Policy Center at WHOI, estimated the possible future value of ocean fertilization at $ 100 billion of the emerging international carbon trading market, which has the goal of mitigating global warocean fertilization at $ 100 billion of the emerging international carbon trading market, which has the goal of mitigating glfertilization at $ 100 billion of the emerging international carbon trading market, which has the goal of mitigating global warming.

The Planet Remade covers all the main proposed geoengineering techniques --(not just SAI, but also ocean iron fertilization (OIF), marine cloud brightening (MCB), bioenergy with carbon capture and storage (BECCS) and direct air capture (DAC)-RRB-, outlining their history, the current state of knowledge, and expected risks and benefits (and impressively, without descending into the alphabet soup of all these acronyms).

A second general method for cooling the planet involves removing carbon dioxide (CO2) from the atmosphere, either via sequestration or CO2 capture, or possibly through ocean iron fertilization to promote the growth of CO2 - consuming algae.

There is strong evidence for a tight relation of Southern Ocean iron fertilization to this record (30, 31).

A main indirect effect is the fertilization of ocean phytoplankton production by dust - mitigated input of iron to the ocean surface layer (6, 7).

To estimate the role of time - varying, ocean iron fertilization, we turned to the Southern Ocean, the main HNLC, iron - limited region of the global oocean iron fertilization, we turned to the Southern Ocean, the main HNLC, iron - limited region of the global oOcean, the main HNLC, iron - limited region of the global oceanocean.

Potential carbon dioxide (CO2) drawdown through dust - induced iron fertilization of ocean biota is restricted to high - nutrient, low - chlorophyll (HNLC) regions, mainly the Southern Ocean and northern Pacific where iron is the limiting micronutrient (6,ocean biota is restricted to high - nutrient, low - chlorophyll (HNLC) regions, mainly the Southern Ocean and northern Pacific where iron is the limiting micronutrient (6,Ocean and northern Pacific where iron is the limiting micronutrient (6, 13).

Olgun, N. et al. (2011) Surface ocean iron fertilization: The role of airborne volcanic ash from subduction zone and hot spot volcanoes and related iron flues into the Pacific Oocean iron fertilization: The role of airborne volcanic ash from subduction zone and hot spot volcanoes and related iron flues into the Pacific OceanOcean.

Far riskier is intentional acceleration of carbon dioxide removal by enhancing the biological uptake in the ocean through iron fertilization.

Early climate models hinted that intentional iron fertilization across the entire southern Ocean could erase 1 billion to 2 billion tons of carbon emissions each year — 10 to 25 percent of the world's annual total.

Therefore it's my opinion that the not - so - extreme decline from April to July 2010, coupled with the higher - than - usual April value, coupled with the changes (both trend and fluctuation) in both the size of and the timing of the annual cycle, are such that there's insufficient evidence to conclude that the Eyjafjallajökull eruption caused a noticeable change in atmospheric CO2, whether by emissions from the eruption, the lack of emissions from air traffic, or iron fertilization of the oceans.

Or what if ocean iron fertilization really can sequester massive amounts of carbon?

Reuters says that the ACE CRC report estimates that ocean iron fertilization «would likely hit an absorption limit of about 1 billion tonnes of carbon» or about 15 % of total carbon emissions.

While controlled iron fertilization experiments have shown an increase in phytoplankton growth, and a temporary increase in drawdown of atmospheric CO2, it is uncertain whether this would increase carbon transfer into the deep ocean over the longer - term.

The iron fertilization of the ocean had generated optimism until an experiment earlier this year dampened hopes.

On the heels of my last post about iron fertilization of the ocean, I found another interesting paper on the topic.

Based on a century of ocean plankton science and the 10 international experiments on iron fertilization over the last 15 years we are confident that the scale, methods and technologies of the work we are planning will have positive impacts on all fronts, improving water quality, buffering surface water acidity, recharging the marine food chain, and safely sequestering enormous amounts of CO2 to help slow climate change.

Lately, a growing number of scientists have been advocating research to see if massive, manmade iron fertilization of the oceans might induce such blooms, and thus mitigate warming.