This is interesting. And one wonders whether this is a technique that should be raised at all in the upcoming LC meeting on OIF...
i.e. would biochar-at-sea be considered dumping under the LC? D On Jan 23, 8:55 am, Stuart Strand <[email protected]> wrote: > We have just published the following peer reviewed article in Environmental > Science and Technology: > > Ocean Sequestration of Crop Residue Carbon: Recycling Fossil Fuel Carbon Back > to Deep Sediments<http://pubs.acs.org/doi/abs/10.1021/es8015556> > Stuart E. Strand and Gregory Benford > > For significant impact any method to remove CO2 from the atmosphere must > process large amounts of carbon efficiently, be repeatable, sequester carbon > for thousands of years, be practical, economical and be implemented soon. The > only method that meets these criteria is removal of crop residues and burial > in the deep ocean. We show here that this method is 92% efficient in > sequestration of crop residue carbon while cellulosic ethanol production is > only 32% and soil sequestration is about 14% efficient. Deep ocean > sequestration can potentially capture 15% of the current global CO2 annual > increase, returning that carbon back to deep sediments, confining the carbon > for millennia, while using existing capital infrastructure and technology. > Because of these clear advantages, we recommend enhanced research into > permanent sequestration of crop residues in the deep ocean. > > Available on line here: > > http://pubs.acs.org/journal/esthag > > or email me requesting a reprint > > = Stuart = > > Stuart E. Strand > 167 Wilcox Hall, Box 352700, Univ. Washington, Seattle, WA 98195 > voice 206-543-5350, fax 206-685-3836 > skype: stuartestrandhttp://faculty.washington.edu/sstrand/ > > Using only muscle power, who is the fastest person in the world? > Flying start, 200 m 82.3 mph!http://en.wikipedia.org/wiki/Sam_Whittingham > Hour http://en.wikipedia.org/wiki/Hour_record > 55 miles, upside down, backwards, and head first! --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "geoengineering" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/geoengineering?hl=en -~----------~----~----~----~------~----~------~--~---
