On May 5, 6:26 pm, jackie <jackie.smith1...@[EMAIL PROTECTED]
> wrote:
..
> he role ofironin sea water to store carbon dioxide
>
The 2004 EIFEX experiment re****ted a carbon dioxide to iron
fixation ratio of nearly 300,000 to 1.
>
> Advocates say that using this technique to restore ocean plankton to
> recent known levels of health would help solve half the climate change
> problem, revive major fisheries and cetacean populations, and
> alleviate several other urgent ocean crises
>
> About 70% of the world's surface is covered in oceans, and the upper
> part of these (where light can penetrate) is inhabited by algae. In
> some oceans, the growth and/or reproduction of these algae is limited
> by the amount of iron in the seawater.Ironis a vital micronutrient
> for phytoplankton growth and photosynthesis that has historically been
> delivered to the pelagic sea by wind-driven dust storms from arid
> lands. This Aeolian dust contains 3~5%ironand its deposition has
> fallen nearly 25% in recent decades[16] due to modern changes in land
> use and agricultural practices as well as increased greening of dry
> regions thanks to increasing levels of atmospheric CO2. (Arid zone
> gr***** and vegetation now lose less water va**** through their stomata
> to absorb the same amount of carbon dioxide, and thus stay greener
> longer, reducing dust storm frequency and the amount ofironreaching
> the deep seas. Increasing sand desertification does little to
> compensate for this shortfall since sand is primarily silica with
> relatively low iron content.)
>
> The Redfield ratio describes the relative atomic concentrations of
> critical nutrients in plankton biomass and is conventionally written
> "106 C: 16 N: 1 P." This expresses the fact that one atom of
> phosphorus and 16 of nitrogen are required to "fix" 106 carbon atoms
> (or 106 molecules of CO2). Recent research has expanded this constant
> to "106 C: 16 N: 1 P: .001 Fe" signifying that in iron deficient
> conditions each atom of iron can fix 106,000 atoms of carbon[17], or
> on a mass basis, each kilogram of iron can fix 83,000 kg of carbon
> dioxide. The 2004 EIFEX experiment re****ted a carbon dioxide toiron
> fixation ratio of nearly 300,000 to 1. Assuming that data is on a mass
> basis, then the normalized atomic ratio would be approximately:
> "380,000 C: 58,000 N: 3,600 P: 1 Fe".
>
> In "desolate" HNLC zones, therefore, small amounts of iron(measured
> by mass parts per trillion) delivered either by the wind or a planned
> restoration program can trigger large responsive phytoplankton blooms.
> Recent marine trials suggest that one kilogram of fine iron particles
> may generate well over 100,000 kilograms of plankton biomass. The size
> of the iron particles is critical, however, and particles of 0.5~1
> micrometre or less seem to be ideal both in terms of sink rate and
> bio availability. Particles this small are not only easier for
> cyanobacteria and other phytoplankton to incor****ate, the churning of
> surface waters keeps them in the euphotic or sunlit biologically
> active depths without sinking for long periods of time.
>
> http://en.wikipedia.org/wiki/Iron_fertilization
Dont tell poor fishermen their catches will increase 10 fold if they
simply throw their waste tin cans into the sea
the western countries want them all to starve to death ASAP
|
