Dear Leonard,
Indeed, terrestrial afforestation can be a multi-product ecosystem solution to climate change.
Concerning your June 2012 draft of "Irrigate Afforestation of Deserts....":
It would benefit from an even more detailed quantification of the fresh water and nitrogen nutrient cycle for both the carbon sequestration situation and the burn-for-fuel situation. Or does the draft include supplemental data showing those calculations?
Might I suggest you examine Dr. Antoine N'Yeurt's, "Negative carbon via Ocean Afforestation" and supplemental data as an example for quantifying the plant nutrient cycle. (I am a co-author.) While the analysis is not as detailed as we would like, we have many things quantified including but far from limited to:
- System materials masses for the digestion containers based on 2% solids and multi-month digestion times;
- The materials for recycling plant nutrients which would otherwise "drop out the bottom" of the seaweed forest;
- The materials for a container where bacteria will convert a miniscule amount of dissolved CH4 to CO2 and significant ammonia/ammonium to nitrate;
- All the other materials, some of which may not be necessary;
- The associated parasitic energy even though wind or solar pv might be more practical;
- An assessment of the potential to produce N2O (serious GHG);
- A technique for concentrating the ammonia from ocean dead zones as ammonium sulfate for shipment to your terrestrial afforestation effort.
---------- Original Message --------
Subject: [geo] Thermostatting The Earth
From: "lenor...@pipeline.com Ornstein" <lenor...@pipeline.com>
Date: Thu, January 10, 2013 1:16 am
To: geoengineering@googlegroups.com
Irrigated Afforestation of Deserts to Thermostat the Earth, End Global Warming
and Provide Enormous Sustainable Sources of Wood to Replace Non-renewable
Fossil Fuels
Leonard Ornstein
Abstract
Large-scale irrigated afforestation of sub-tropical deserts and, separately, reduced-impact logging (RIL)
of fallen trees in ‘virgin’ tropical forests, have been proposed [1,2] as techniques to sequester more CO2
than has been dumped into the atmosphere, by the burning of fossil fuels and by deforestation, since the
beginning of the industrial revolution (~1850). These two techniques could also provide a sustainable,
low-CO2-foot-print1 replacement for the (non-renewable) fossil fuels that presently sustain world
economies. Yet such opportunities have been almost totally neglected in discussions of mitigation of
anthropogenic global warming (AGW). This essay reviews this problem and argues that such
techniques, that can be accomplished mainly with well-established, (rather than new) technologies,
provide an affordable way to thermostat the earth and preserve and improve quality of life (QOL).
http://www.pipeline.com/~lenornst/ThermostattingTheEarth.pdf
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