RE: [geo] Re: New Research on OIF

2012-12-17 Thread Stuart Strand
Regarding biochar, I would like Ron or others to provide a total estimate of the total amount of carbon that could be sequestered globally in agricultural soils only, not including any forest soils, with peer reviewed citations please. BECCS carbon analysis depends on whether efficient and

RE: [geo] Re: New Research on OIF

2012-12-17 Thread Stuart Strand
@googlegroups.com [mailto:geoengineering@googlegroups.com] On Behalf Of Andrew Lockley Sent: Monday, December 17, 2012 12:52 AM To: Stuart Strand Cc: geoengineering; Bhaskar M V; joshic...@gmail.com; rongretlar...@comcast.net Subject: RE: [geo] Re: New Research on OIF Surely CO2 from BECCS doesn't need

RE: [geo] Re: New Research on OIF

2012-12-16 Thread Stuart Strand
The 2009 paper I wrote with Benford was a quantitative analysis of the ocean sequestration ideas of Metzger and Benford 2003. The Karlen paper was a rejection of all removal of crop residues, presumably rejecting use of CR for biofuels as well. The Karlen paper presented no quantitative

RE: [geo] My AGU abstract: We Don¹t Need a ³Geoengineering² Research Program

2011-08-06 Thread Stuart Strand
:37 PM To: Stuart Strand Cc: xbenf...@gmail.com; mmacc...@comcast.net; Geoengineering@googlegroups.com Subject: Re: [geo] My AGU abstract: We Don¹t Need a ³Geoengineering² Research Program If something is not now in the mission of an agency, Congress can cause it to be in the mission. DOE managed

RE: [geo] My AGU abstract: We Don¹t Need a ³Geoengineering² Research Program

2011-08-05 Thread Stuart Strand
The problem is that geoengineering doesn't really fit with the missions of any of the national scientific funding agencies as far as I can tell. As an example, when I talked to the Department of Energy about ways to remove methane and nitrous oxide from the atmosphere they said that it wasn't

RE: [clim] Re: [geo] Carbon sequestration workshop Sep 9-10, Heinz Center, Washington DC

2010-09-21 Thread Stuart Strand
...@comcast.net] Sent: Monday, September 20, 2010 3:14 PM To: Stuart Strand Cc: geoengineering@googlegroups.com; marty hoffert; andrew lockley Subject: Re: [clim] Re: [geo] Carbon sequestration workshop Sep 9-10, Heinz Center, Washington DC Stuart etal: Thanks for your response and apologies

RE: [clim] Re: [geo] Carbon sequestration workshop Sep 9-10, Heinz Center, Washington DC

2010-09-21 Thread Stuart Strand
Sorry, premature send again…. “Finally, I goofed in stating…” should be: I goofed in stating a saturation level for biochar of 50 kg/ha. Mea culpa, I meant 50 Mg biochar C/ha (only off by 1000x!). My reference for this rate is Chan et al., Australian Jour. Soil Research 2007, 45:629. I

RE: [geo] Carbon sequestration workshop Sep 9-10, Heinz Center, Washington DC

2010-09-17 Thread Stuart Strand
, Univ. Washington Seattle, WA 98195 voice 206-543-5350, fax 206-685-9996 skype: stuartestrand http://faculty.washington.edu/sstrand/ From: William Fulkerson [mailto:wf...@utk.edu] Sent: Thursday, September 16, 2010 7:53 PM To: Stuart Strand; Marty Hoffert; David Keith Cc: z...@atmos.umd.edu; Google

RE: [geo] Carbon sequestration workshop Sep 9-10, Heinz Center, Washington DC

2010-09-16 Thread Stuart Strand
://faculty.washington.edu/sstrand/ From: jim thomas [mailto:j...@etcgroup.org] Sent: Thursday, September 16, 2010 12:21 PM To: David Keith Cc: Stuart Strand; marty.hoff...@nyu.edu; z...@atmos.umd.edu; geoengineering@googlegroups.com; James Rhodes Subject: Re: [geo] Carbon sequestration workshop Sep 9-10

RE: [geo] Carbon sequestration workshop Sep 9-10, Heinz Center, Washington DC

2010-09-15 Thread Stuart Strand
The problem with using terrestrial biomass residues to combat CO2 accumulation is that there is a limited supply that is available for human use without doing environmental damage. These consist mainly of crop residues from high yielding agriculture and managed forests. There are competing

RE: [clim] Re: [geo] Carbon sequestration workshop Sep 9-10, Heinz Center, Washington DC

2010-09-15 Thread Stuart Strand
of CO2 to the surface. So I would encourage you to research this a little more before giving up on the Gulf of Mexico. http://oceanografia.cicese.mx/personal/jochoa/PDFS/Rivas_etal_JPO_2005.pdf - Original Message - From: Stuart Strand sstr...@u.washington.edumailto:sstr

RE: [clim] Re: [geo] Carbon sequestration workshop Sep 9-10, Heinz Center, Washington DC

2010-09-11 Thread Stuart Strand
[mailto:agask...@nc.rr.com] Sent: Friday, September 10, 2010 12:10 PM To: Stuart Strand; z...@atmos.umd.edu; geoengineering; climateintervent...@googlegroups.com Cc: xbenf...@aol.com Subject: Re: [clim] Re: [geo] Carbon sequestration workshop Sep 9-10, Heinz Center, Washington DC I think

RE: [clim] Re: [geo] Carbon sequestration workshop Sep 9-10, Heinz Center, Washington DC

2010-09-10 Thread Stuart Strand
After our publication it was pointed out to me that the ventilation rate of the Gulf of Mexico is such that the half life of water there is about 250 years. One of the major advantages of CROPS over terrestrial burial options is that the biomass carbon separated from the atmosphere by the

RE: [clim] Re: [geo] Carbon sequestration workshop Sep 9-10, Heinz Center, Washington DC

2010-09-10 Thread Stuart Strand
encourage you to research this a little more before giving up on the Gulf of Mexico. http://oceanografia.cicese.mx/personal/jochoa/PDFS/Rivas_etal_JPO_2005.pdf - Original Message - From: Stuart Strand sstr...@u.washington.edumailto:sstr...@u.washington.edu To: agask...@nc.rr.commailto:agask

[geo] Re: Bogus names

2009-09-24 Thread Stuart Strand
I have always felt uncomfortable and at a disadvantage debating people who are masked. Names and affiliations please!   = Stuart = Stuart E. Strand 167 Wilcox Hall, Box 352700, Univ. Washington, Seattle, WA 98195 voice 206-543-5350, fax 206-685-3836 http://faculty.washington.edu/sstrand/

[geo] Re: we're engineering the arctic now

2009-09-04 Thread Stuart Strand
I agree with Alvia about some of the environment left. I call those who oppose most new environmental engineering Dark Greens. They can be easy to detect because many if not most of their arguments end with there are just too many people, leaving the listener wondering what solution is

[geo] Re: Home experiment

2009-08-14 Thread Stuart Strand
Perhaps you should estimate the cost first. How much straw per ha do you need to insulate enough to get 50% reduction in heat flux? Or to cover, to make it simpler. The sea area to be covered would be something on the order of the area of a hurricane. Purchase and shipping costs for the

[geo] Re: Anammox bacteria

2009-08-04 Thread Stuart Strand
Anammox uses the ammonia oxidizing bacteria, so N2O emissions are significant; e.g., a couple percent of the total N load according to Dynamics of nitric oxide and nitrous oxide emission during full-scale reject water treatment by: Marlies J. Kampschreur, Wouter R. L. van der Star, Hubert A.

[geo] Re: air capture techniques

2009-05-09 Thread Stuart Strand
I think that should be methanotrophic not methanogenic, if you are discussing the removal of methane from the air. = Stuart = Stuart E. Strand 167 Wilcox Hall, Box 352700, Univ. Washington, Seattle, WA 98195 voice 206-543-5350, fax 206-685-3836 skype: stuartestrand

[geo] Re: Focus of Geo-engineering?

2009-02-08 Thread Stuart Strand
Yes, large amounts of methane suddenly released from hydrates or from overturning stratified lakes could be explosive if somehow mixed with the right amount of air. I was referring to the slow release of CH4 from tundra and small shallow lakes. Slow in terms of reaching the lower explosive

[geo] Methanotrophic reactors

2009-02-06 Thread Stuart Strand
The problem is that there is only one facultative methanotroph known and it would probably not do well in a bioreactor that is open to the atmosphere (and other bugs) and fed with a substrate other than methane. I am looking into the possibility of a bioreactor that is fed methane for a while

[geo] Microbiological homework

2009-02-06 Thread Stuart Strand
For those of you interested in learning more about microbiology, may I suggest reading an environmental microbiology text: Brock et al*, a really fine exposition of the microbial world, which is responsible for the mineralization of organic matter in soils and sediments, and the thermodynamic

[geo] Re: Crop residue ocean permanent sequestration

2009-02-05 Thread Stuart Strand
the fossil fuel carbon on the surface in contact with the atmosphere, no matter what form it is in. = Stuart = -Original Message- From: Alvia Gaskill [mailto:agask...@nc.rr.com] Sent: Thursday, February 05, 2009 10:58 AM To: Stuart Strand; sam.car...@gmail.com; geoengineering Subject

[geo] Re: Crop residue ocean permanent sequestration

2009-02-05 Thread Stuart Strand
Thank you for your creed, Andrew. I am trying to have a rational debate. Yelling does not win scientific debate. = Stuart = From: Andrew Lockley [mailto:andrew.lock...@gmail.com] Sent: Thursday, February 05, 2009 5:36 PM To: Stuart Strand Cc: Alvia Gaskill; sam.car...@gmail.com

[geo] Re: Crop residue ocean permanent sequestration

2009-02-04 Thread Stuart Strand
Greg is right about the importance of doing the numbers. I was surprised at how carbon efficient it would be to barge crop residue to the sea. I thought that much more fuel would be required than it turned out. To me it is all about the carbon. If an engineer wants to remove carbon from

[geo] Re: CROPS paper

2009-02-03 Thread Stuart Strand
wasn't intending to use it as an energy recovery process. Surely a few hundred kgs of char powder is easier to handle and sequester than a ton of damp straw? A 2009/2/3 Stuart Strand sstr...@u.washington.edu: 1. Significant methane production seems unlikely, but it may be possible in deep

[geo] Re: CROPS paper

2009-02-03 Thread Stuart Strand
1. Significant methane production seems unlikely, but it may be possible in deep deposition sites. Anaerobic metabolism in ocean sediments is dominated by sulfate as the electron acceptor, not CO2, as in freshwaters. We expect crop residue mineralization under anaerobic conditions inside the

[geo] Re: Crop residue ocean permanent sequestration

2009-02-02 Thread Stuart Strand
206-543-5350, fax 206-685-3836 http://faculty.washington.edu/sstrand/ From: David Schnare [mailto:dwschn...@gmail.com] Sent: Monday, February 02, 2009 9:04 AM To: Stuart Strand Cc: markcap...@podenergy.org; geoengineering@googlegroups.com Subject: Re: [geo] Re: Crop residue ocean permanent

[geo] Re: Crop residue ocean permanent sequestration

2009-02-02 Thread Stuart Strand
By straw we are referring to the stalks of agricultural plants, wheat stalks and corn stover. The water and nutrients were expended to grow the grain. Straw has a low nutrient content (C/N = ca 50/1). Presently straw is wasted by allowing it to decay on the soil surface (only 14% or less of

[geo] Re: Crop residue ocean permanent sequestration

2009-02-02 Thread Stuart Strand
] Sent: Monday, February 02, 2009 5:51 PM To: agask...@nc.rr.com Cc: Stuart Strand; David Schnare; markcap...@podenergy.org; geoengineering@googlegroups.com Subject: Re: [geo] Re: Crop residue ocean permanent sequestration Could someone please explain why you would want to throw fuel into the sea

[geo] Re: understanding arctic shrinkage

2009-01-30 Thread Stuart Strand
The methanotrophs are true specialists; they grow only on methane a few other C1 compounds.   = Stuart = -Original Message- From: Andrew Lockley [mailto:andrew.lock...@gmail.com] Sent: Friday, January 30, 2009 1:05 AM To: Stuart Strand Cc: geoengineering Subject: Re: [geo

[geo] Re: Black Pickle concept and the Great Restoration

2009-01-30 Thread Stuart Strand
In terms of carbon burying biomass in sediment is a much more efficient use of biomass than combustion, as Metzger and Benford developed in 2001. It helps to think about it as global recycling. Put the excess carbon back in the sediments. Note that the Danube empties into the Black Sea from

[geo] Re: understanding arctic shrinkage

2009-01-29 Thread Stuart Strand
I won't try to guess at questions 1 and 2, and I am not too sure about the answer to 3, but I will try to guess: The surface ocean has aerobic methane oxidizers, so it could be a sink for atmospheric methane. Most oxidation of methane (to CO2) is in the deep ocean and is due to anaerobic

[geo] Re: methane air capture

2009-01-27 Thread Stuart Strand
How much air flows through the global combustive generating capacity?   = Stuart = Stuart E. Strand 167 Wilcox Hall, Box 352700, Univ. Washington, Seattle, WA 98195 voice 206-543-5350, fax 206-685-3836 skype: stuartestrand http://faculty.washington.edu/sstrand/ Using only muscle power,  who

[geo] Re: Crop residue ocean permanent sequestration

2009-01-26 Thread Stuart Strand
/ From: Eugene I. Gordon [mailto:euggor...@comcast.net] Sent: Monday, January 26, 2009 3:31 PM To: Stuart Strand; agask...@nc.rr.com; 'geoengineering'; 'greenhouse effect' Cc: 'James Lovelock'; 'James Hansen'; xbenf...@aol.com Subject: RE: [geo] Re: Crop residue ocean permanent sequestration I would

[geo] Re: What is geo-engineering?

2009-01-24 Thread Stuart Strand
Seems a bit overwrought to me. Of course preventing arctic ice melt and its consequences is the number one geoengineering priority, but removing carbon from the atmosphere is a perfectly valid geoengineering topic. But please discuss the science and politics of albedo modification etc to your

[geo] Re: What is geo-engineering?

2009-01-24 Thread Stuart Strand
...@comcast.net] Sent: Saturday, January 24, 2009 2:33 PM To: Stuart Strand; s.sal...@ed.ac.uk; sam.car...@gmail.com Cc: 'John Nissen'; 'greenhouse effect'; 'geoengineering'; 'geo-engineering' Subject: RE: [geo] Re: What is geo-engineering? Stuart: I am not sure why you say it is overwrought. After all

[geo] Re: Crop residue ocean permanent sequestration

2009-01-23 Thread Stuart Strand
sequestration 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 sstr...@u.washington.edu wrote: We have just published

[geo] Re: Crop residue ocean permanent sequestration

2009-01-23 Thread Stuart Strand
. Washington, Seattle, WA 98195 voice 206-543-5350, fax 206-685-3836 skype: stuartestrand http://faculty.washington.edu/sstrand/ -Original Message- From: Sam Carana [mailto:sam.car...@gmail.com] Sent: Friday, January 23, 2009 7:10 PM To: r...@llnl.gov; Stuart Strand; geoengineering; greenhouse

[geo] Re: Synthesis of cyanuric acid from atmospheric carbon dioxide (from Robert Hahl, Ph.D., Patent Attorney )

2009-01-05 Thread Stuart Strand
Subject: [geo] Re: Synthesis of cyanuric acid from atmospheric carbon dioxide (from Robert Hahl, Ph.D., Patent Attorney ) Not in a landfill. On Jan 3, 9:10 pm, Stuart Strand sstr...@u.washington.edu wrote: Cynauric acid is biodegradable aerobically and anaerobically.  The carbon would return

[geo] A naive question

2008-12-31 Thread Stuart Strand
Is radiative forcing additive linearly?   = Stuart = Stuart E. Strand 167 Wilcox Hall, Box 352700, Univ. Washington, Seattle, WA 98195 voice 206-543-5350, fax 206-685-3836 http://faculty.washington.edu/sstrand/ Using only muscle power,  who is the fastest person in the world? Flying start,

[geo] Re: name the baby - Carbon Dioxide removal? Greenhouse gas removal? Gas Geoengineering?

2008-12-30 Thread Stuart Strand
Greenhouse gas remediation. Remediation of pollutants has a history.   = Stuart = Stuart E. Strand 167 Wilcox Hall, Box 352700, Univ. Washington, Seattle, WA 98195 voice 206-543-5350, fax 206-685-3836 skype: stuartestrand http://faculty.washington.edu/sstrand/ Using only muscle power,  who