How is this supposed to work?
On Jan 4, 4:22 pm, Dan Whaley wrote:
> This is the company that Paul Hawken and Amory Lovins are advisors
> to... fibonacci spiral fan blades in various applications to reduce
> turbulent flow-- haven't heard much from them since a big splash in
> 2007 and 2008.
>
>
Wake me if ETC says anything worth listening to.
On Aug 29, 10:20 pm, global_frozing wrote:
> > the climate change treaty negotiations in Copenhagen, they will throw
> > precious time and dollars at sci-fi fantasies, overlook potentially
> > devastating side effects and divert their attention fr
"Here's an example where cap and trade would not work. However a
carbon tax, comprising a levy on fossil fuel (carbon out of the
ground), could help to pay for this "carbon stock management" type of
geoengineering"
That makes no sense. If you can give carbon credits for something
when the tax r
Is Judicial Watch a right-wing loony bin, or do I have it confused
with a similar name?
On Aug 20, 9:35 am, David Schnare wrote:
> For those who didn't get the memo, absolutely nothing you send to a
> government employee (except confidentidal business information) is beyond
> reach of public scr
>Consider that in the arctic, above 38 degrees north latitude, a
reduction of more than 1,134 Megawatts per square mile per day can be
achieved by replacing open seawater with a layer of snow-covered ice.
Megawatts per day?
On Aug 17, 9:45 pm, "Eugene I. Gordon" wrote:
> Peter:
>
> My dogs do n
Do stronger storms mix water deeper? (It seems obvious that they
would, but lots of things seem obvious and aren't true.) If so, it
would seem that having more weak storms would re-churn the same
thinner layer of water more often, transporting less heat toward the
poles than if fewer big storms
It doesn't use the word geoengineering, or even unambiguously imply
it. But --
" So when the world meets in Copenhagen to discuss climate change come
December, I hope there will be more thought on what has to be done if
climate change cannot be prevented.
...
What can we plan now that will miti
I think something would come along and eat it. Cast your bread upon
the waters and it will be fish food unless the birds get it first.
I don't think there's any problem with food-chain contamination of
birds and fish: this is stuff that people think is ok to eat.
However, there may be problems w
I wish I understood hurricanes and high-altitude winds well enough to
say whether wind shear is useful for hurricane mitigation. My crude
understanding suggests that it is, but I'm pretty sure I haven't
convinced anyone.
On Aug 9, 5:18 pm, "Alvia Gaskill" wrote:
> A little more perspective on w
I think we're going to have to actively manage global ocean
circulation as part of integrated management of climate.
Is the North Atlantic a better place to send the crud than the Arctic
Ocean?
On Aug 8, 8:52 am, Andrew Lockley wrote:
> My further shameless plagiarism from NewScientist
>
> A
>
> Condensation nuclei are condensation nuclei.
Really? I thought they varied in size and in how hygroscopic they
are.
>It seems, Wikipedia misses Mount Meru entirely,
No, the Mout Meru article has been there since May 2007.
http://en.wikipedia.org/w/index.php?title=Mount_Meru_(Tanzania)&dir=pr
The warehouses are also for superheroes to fight supervillains in.
"Abandoned warehouse? You might as well ask for the Moon."
http://evil-comic.com/archive/20060419.html
On Aug 2, 8:17 pm, "Alvia Gaskill" wrote:
> This movie turned out to be a two parter, the second one tonight at 9pm on
> NB
This mostly sounds compatible with my opinions on the subject.
However, I have in mind that tropical storms close together tend to
merge into one larger cyclone.
I don't know whether any aspects of the proposal are new or not.
On Aug 3, 2:56 pm, Koldun wrote:
> Method of hurricane weakening
>
>
> I also think ocean protection treaties ban boats dumping their old motor etc
> oil into the seas.
The dumping ban came up in connection with OIF experiments, iirc
On Jul 31, 4:59 am, Veli Albert Kallio
wrote:
> Dear Andrew,
>
> My suggestion is that we pick up one delivery and crash it into
They wouldn't want to turn out like that country that was the #1 oil
producer for much of the 20th century.
On Jul 30, 12:53 pm, "Eugene I. Gordon" wrote:
> The Israeli's have it right. They say the best gift they have ever received
> from GOD is 'No oil'.
>
> _
>
> From: geoengineering
When the second google hit is Snopes ...
http://www.snopes.com/politics/gasoline/bakken.asp
On Jul 29, 8:07 am, "Eugene I. Gordon" wrote:
> Nothing new here. Very difficult to extract. Americans (not the politicians)
> have had it with the oil companies to some extent. The real news is that a
>
The price of carbon emissions should be whatever is necessary to bring
them down to an acceptable level, not some token amount that
governments make up so as to look as though they're doing something.
Taxes can be complicated just as easily as a cap-and-trade system
can. Offsets can be just as re
That connection between standard deviation and percentage of events
isn't a universal law. It's a feature of the normal distribution,
i.e. of distributions that are the sum of a large number of small
independent components. I see no reason to expect that to be the case
for sea ice extent or area
Various sulfur compounds are hygroscopic, so the vapor need not be
saturated in order to start condensing.
On Jul 27, 1:13 pm, Veli Albert Kallio
wrote:
> Hey,
>
> Would n't it help to have aeroplanes to drop dimethyl sulphide from higher
> altitude if these could be scattered wide enough when
Yet another hurricane-weakening idea is to suspend a tube in the air
to allow air to move from the edges of cyclonic circulation to the
innermost part at which winds are still weak enough not to destroy the
tube. The tube would be suspended in part by having a cross section
that acts as a wing, a
> the water in the ocean moves horizontally as well as vertically.
I'd thought the way to alter the distribution sea surface temperature
would be to have floating structures that increase the coupling
between wind and surface currents. Of course, that's based my
impression that windmills are the
erely diminished. I would recommend reading it several times. It does
> become somewhat clearer with each iteration.
>
> - Original Message -
> From: "dsw_s"
> To: "geoengineering"
> Sent: Wednesday, July 15, 2009 2:39 PM
> Subject: [geo] Re: Hurric
In yet still another aspect, not meant to be limiting, an exemplary
embodiment of thermally-enhanced ambient gases previously utilized in
the provision of patent-related legal services regarding the methods
herein referenced, could be released in at one surface region distant
from at least one sto
arted.
On Jun 14, 4:01 pm, dsw_s wrote:
> > You need to get more creative...
>
> Ok, shall we talk pie in the sky? Let's get a decent-sized mostly-
> stony asteroid, say a few hundred cubic kilometers, into earth orbit
> and drop chunks of it into the atmosphere, controllin
fety (which I have suggested can only be
> secured by limiting cumulative warming, roughly measured as the integral
> under the greenhouse gas concentration profile minus the spatial and temporal
> integral of albedo modification?)
>
> Cheers
> Peter
>
> - Original Messag
t; transmitting some mechanichal power to an electrical engine which would act
> > as
> > a power generator). This would transfer the hurricane's angular momentum -
> > at
> > the point where this momentum is most implicated in the hurricane's
> > self-stability
e an interesting
> > angular drag.
>
> > Conversely, I am not very much convinced by angular momentum exchanges with
> > the upper layer of the hurricane's air.
>
> > Best,
>
> > Denis Bonnelle
> > denis.bonne...@normalesup.org
>
> > -Message d&
To have harmful wind speeds, a hurricane needs to have lots of angular
momentum. If some of the angular momentum could be dispersed to
farther from the center of the storm, wind speeds would be lower. If
I understand it right, a hurricane has air coming in from the
periphery at low altitude, ris
It sounds in the video as though they're classifying ice as one-year
(survived one summer), two-year (survived two summers), and multi-year
(survived more than two summers). That terminology seems reasonable
if explained, but it makes for a somewhat misleading headline.
On Jun 9, 3:46 am, Veli A
What about altering circulation patterns so that rain falls where it
will fill those aquifers over the course of several years?
On Jun 9, 4:42 am, Andrew Lockley wrote:
> Siphoning can't work to overcome elevations of over 33'. Shattering
> non-porous rocks with explosives, and blasting submari
> The ooze will be rich in nutrients and getting some of it into
> suspension should help fish stocks.
Some, yes. But is there any guarantee that the right amount for water
flow wouldn't be enough to make dead zones?
On Jun 8, 5:02 am, Stephen Salter wrote:
> Hi All
>
> The most immediately ex
t; -Original Message-
> From: geoengineering@googlegroups.com
>
> [mailto:geoengineer...@googlegroups.com] On Behalf Of Alvia Gaskill
> Sent: Saturday, June 06, 2009 8:38 PM
> To: mmacc...@comcast.net; dsw_s; Geoengineering
> Subject: [geo] Re: Just in Time for Hurricane Seas
MMC:
> Air goes up at moist adiabatic rate, but has to be forced down at the
> dry adiabatic rate
Of course. Thanks.
Does it follow that although the net effect of moist convection is to
transport heat upward, the actual circulation of air transports heat
downward whenever air is being forced t
> The air that leaves the top of a hurricane is cold already, so it is not
> sending much energy back into space.
What about radiation from cloud tops? I would expect cloud tops to
radiate much more readily than air at that altitude, both because of
being a condensed phase that can emit blackbod
Actually, it's not just the amount of snow. It's also the timing.
Snow insulates, so to slow down the thawing, you would want to prevent
snowfall through the early winter and let the ground cool off as fast
as possible. Then you would want to have as much snow as possible in
the late winter and
Has anyone looked seriously into any means of increasing snow cover on
the permafrost? That seems to me like the most likely way of slowing
the thawing.
On May 28, 6:58 am, John Nissen wrote:
> Hi Alvia,
>
> It's interesting that Dr Schuur talks only of CO2, whereas others
> consider methane mu
I suspect that small, inconspicuous organisms will routinely be left
out of any such programs. Trees and macroscopic animals may be
transferred; nematodes and microscopic fungi won't be, at least not
intentionally.
On May 26, 10:05 am, Albert Kallio wrote:
> Back in August 2006 I was invited to
The idea of geoengineering being promoted by the fossil fuel industry
is mind-bogglingly stupid. But people will believe anything bad about
something they don't like.
On May 14, 4:52 pm, Ray Taylor wrote:
> Albert I didn't write the article.
>
> I just thought it warranted a reply.
>
> Ray
--~-
Droplet size may affect chemistry because of surface tension. At
sufficiently small scales, a high-curvature surface isn't the same
chemically as a lower-curvature surface.
My impression is that the Brewer Dobson circulation is the net
circulation after east-west wind is canceled out, since the
apture carbon and store it.
>
> Each of these propositions would get things like carbon air capture
> started in a big way. The promise of such funding will attract
> investors and business activities, while there's government
> supervision over the funding to ensure that things are
> it is more economically sensible to tax where substitutes are readily
> available.
If you're taxing to change behavior, yes. If you're taxing to raise
revenue without distorting markets, no. If we tax high-carbon
activities to fund mitigation in other areas, we're taxing for
revenue; if we t
Yet another brainstorm idea, i.e. no clue whether it's plausible.
When acid enters the groundwater, I would expect it to be partly
neutralized by the subsoil and rock it percolates through, before
emerging into streams and eventually the ocean. In the case of
organic acids, the anion is eventual
If aviation is a major source that should be reduced by flying less,
wouldn't that come out in a straightforward cap-and-trade system?
On May 8, 10:41 pm, Sam Carana wrote:
> I agree, John, that there should be fees on all greenhouse gas
> emissions, but I especially focused on aviation, since t
It's good to hear that there's some decent data, even if it isn't
particularly encouraging for OIF.
On May 7, 2:52 pm, DW wrote:
> http://www.greentechmedia.com/articles/read/report-iron-fed-plankton-...
> Report: Iron-Fed Plankton Slow to Remove CO2
>
> Two Berkeley Lab researchers have analyze
> (Otherwise, you'd be calling CO2 itself a pollutant.)
"EPA finds carbon dioxide is a pollutant"
http://www.pulpandpapercanada.com/issues/ISArticle.asp?id=98967&issue=04202009
On May 6, 11:57 am, xbenf...@aol.com wrote:
> James:
>
> The trouble with your pollution standard:
>
> "Putting clouds
To cool the surface, warm the air at the level where the storm dumps
its heat, and affect wind patterns, we may suspend plastic sheets in
the upper troposphere. They could be held up by kites, balloons, or
fans blowing air from above the sheet to below it with energy beamed
to a rectenna on the s
As I've said in other postings here, I think there will be multiple
tools to use against hurricanes.
Nothing cools the ocean surface like a storm. So we'll start storms,
at places and times that aren't right for them to grow into
hurricanes, but still have them passing over part of the area
hurr
Just a brainstormy late-night idea --
The air above the arctic and southern oceans is colder than the water,
especially during the long winter night. It is possible in principle
(although probably not practical) to extract energy from this
temperature difference, by putting a heat exchanger in t
I haven't attempted any calculations, but my guess is that to put heat
into the ground we would have to spend a non-negligible amount of
energy pumping it there. And the amounts of heat involved in changing
the temperature of the atmosphere/ocean system are very large relative
to the amount of en
> There are also another much less studied sink under our feet: the cold soils
> and
> bedrocks, warming ice on glaciers and ice sheets, melting of marine and
> terrestrial
> ice. The ever increasing break-up of ever larger and ever more frequent ice
> shelves
> into sea water also mops up huge
The idea that deniers are promoting geoengineering is so loopy it's
hard to believe that anyone can say it with a straight face, let alone
believe it. Are there people out there who honestly believe it, or is
it just being pushed cynically? If the latter, who and why?
On Apr 27, 7:58 pm, Andrew
Why mirrors, rather than whatever's cheap, harmless, and opaque?
On Apr 28, 2:57 pm, Mike MacCracken wrote:
> Dear Mr. Law: With respect to your suggestion, you need to do some
> background reading:
>
> The 1992 National Academy of Sciences (NAS) report did a calculation of what
> would be requi
Having a mirror sit there doesn't seem more advanced than having life
support and equipment to do experiments with. Note also that part of
the reason launch costs are so high is that the payloads currently
worth launching are either people or very expensive one-of-a-kind high-
tech satellites, so
Speaking as someone who's generally willing to consider beyond-the-
horizon technologies (asteroid capture for example) I have to say I
see no way we could plausibly trigger an eruption. The sheer amount
of rock rules out simple removal, and likewise any in-situ
modification of the whole mass of
To what extent do stratospheric aerosols cross the equator? I doubt
there's all that much concentrating solar power in the southern
hemisphere.
And who knows whether CSP will still have such an edge over PV by the
time we would get an aerosol program in place anyway.
> Most of the CCN for strat
unwillingness to plumb the depths of the science lying beneath
> discussions on climate change, I forgive your comment about the necessities
> of science.
>
> Cheers,
> David.
>
> On Sun, Apr 19, 2009 at 1:23 AM, dsw_s wrote:
>
> > I also want to forsake patents for pe
May be too late to correct it and not that it matters anyway, but I
noticed a typo in that paper: on page 2,"weather the reaction is
performed below or above melting point" should be "whether".
Anyone know how much energy is released by changing a ton of CO2 from
pure to diluted in air at ~400 pp
I thought "artificial trees" referred only to certain types of CO2 air
capture device, not to CO2 air capture in general.
On Apr 17, 5:56 pm, Greg Rau wrote:
> How about "make-believe trees", or is that too harsh?
> Bon weekend. - G
>
> >'fake plastic trees' is used fairly widely in connection w
ess that's all you have to read.
>
> Sadly,
>
> d.
>
>
>
> On Fri, Apr 17, 2009 at 3:49 PM, dsw_s wrote:
>
> > > demonstrates a 6 to 8 times amplification of solar irradiance. For the
> > > non-scientists, you can read a somewhat more understandabl
r new source of energy
> >> within the next 50 years. That's a safe prediction for me since I'll be
> >> dead when the prediction deadline rolls around. Anon, the predicition fits
> >> the energy development cycles of the past 100 years. Thus, with the
> >
Artificial trees are those things that people hang Christmas ornaments
on.
That article makes it sound as though the whole process doesn't really
cost any energy, just what it takes to run some water on the resin.
But that can't get any more CO2 into the water than would get there by
just letting
use of non-
terrestrial materials. But I don't actually know how much of the cost
of solar is the panels themselves (cut by a substantial factor if
they're in space) and how much is other stuff (not cut by a similar
factor).
On Apr 16, 7:57 pm, dsw_s wrote:
> "Collect power 24 hours
Are we really expecting a next ice age, with CO2 levels higher than
they have been for quite a few million years? Even if we are, I don't
think scarcity of carbon in the ground is a real concern. There's a
lot of low-quality coal and a lot of unconventional petroleum (tar
sand and oil shale), th
"Collect power 24 hours a day from a low-orbit solar satellite"? Low
orbit is in the dark about half the time, and would need either
customers all over the world or storage for energy collected when the
customers are over the horizon. I like the idea of space-based solar
power, but this sounds f
I don't hear the distinction between "ethics" and "values" the same
way. For one thing, "values" is too closely associated with the
phrase "family values" with its bizarre connection between discount
children's meals and anti-gay bigotry. But even in normal usage, the
distinction doesn't cut bet
; Ken
>
> ___
> Ken Caldeira
>
> Carnegie Institution Dept of Global Ecology
> 260 Panama Street, Stanford, CA 94305 USA
>
> kcalde...@ciw.edu;
> kcalde...@stanford.eduhttp://dge.stanford.edu/DGE/CIWDGE/labs/caldeiralab
> +
job creating a substrate for water. They take high clay soils and
> > turn them into an organic sponge, holding nutrients in the ground, attached
> > to the invested carbon.
>
> > David Schnare.
>
> > On Mon, Apr 13, 2009 at 10:03 PM, dsw_s wrote:
>
> > > Wo
regrowth. If either were the case, it could have
> the cloud-inducing effects discussed. This effect could be highly
> significant and I hope someone expert can consider it.
>
> A
>
> 2009/4/12 dsw_s
>
>
>
> > But wouldn't the carbon in the biochar get retur
s, preserve and spread
> forests and brighten clouds it would have benefits that could reasonably be
> described as 'ginormous'.
> I'd be interested to know if anyone in this group could explore these
> effects and potentially look at doing a paper or a model run on them.
>
The atmosphere is mostly troposphere, by mass. The troposphere is
also the grimiest part of the atmosphere, even relative to mass. The
contribution of stratospheric aerosols to interfering with
astronomical observation seems likely to be negligible -- as it
apparently was in the case of Pinatubo
Thanks. Here's what I posted:
The geoengineering concepts mentioned in the interview coverage are
out of date. If that provides any indication of Holdren's level of
interest in the concept, then the people who recoil in horror at the
thought of geoengineering can give a big sigh of relief -- bo
That sounds a lot like how I imagine geoengineering can work. A
suggestion I've made is that materials like expanded vermiculite and
perlite (basically rock popcorn) could be used to increase water
retention in soil for both agricultural and climatic benefit. The
climate benefit includes CO2 rem
"he refers to injecting reflective particles into low Earth orbit as
one of the most discussed geoengineering ideas. .. He says SRM would
be too expensive and would interfere with spacecraft."
I thought he said "one of the classic ideas" or something like that,
and then said only that that part
I doubt it matters, but do you actually need a strong base? Wouldn't
a pK in the range of 9.4 to 12 be almost as good as one above 12? As
long as the pK is a unit or two above the pH of the water it's in, it
will be mostly dissociated. It's probably a distinction without a
difference, since as
I'll sign letter as it stands. I'll almost certainly be willing to
sign any revision that others here come to consensus on, too. I agree
that keeping it short is probably a good idea. Using the word
"geoengineering" has pros and cons. I slightly prefer the three-item
version over Tom's two-ite
We need to do something about ocean acidification; the most
comprehensive term should include that.
On Mar 31, 5:26 pm, Kelly Wanser wrote:
> Ken Caldeira and others have begun to adopt the term "Climate
> Intervention" as a non-technical term to describe large-scale, direct
> interventions in t
ave caused the dissolution of
> >> seafloor carbonates, which, by neutralizing the carbon acidity, would
> >> lead to long-term carbon storage in the ocean.
>
> >> It is imaginable that an operation like this that inadvertently pumps
> >> carbon to the deep m
>From NewScientist:
>"I think we are seeing the last gasps of ocean iron fertilisation as a carbon
>storage strategy," says
>Ken Caldeira of the Carnegie Institution at Stanford University.
>Earlier this month, the controversial Indian-German Lohafex expedition
>fertilised 300 square
>kilomet
One of the links says they're using CO2 from burning natural gas at
their pilot project, so the difference can't be made up from stuff in
coal ash. It sounds to me as though it's acidifying the water and
using a lot of energy, but it doesn't really tell as far as I can
see. My guess is that they
Multiple positive feedbacks doesn't necessarily mean multiple tipping
points.
On Feb 26, 11:51 am, Albert Kallio wrote:
> Hi Mark,
>
> I just let you know that the number 2013 comes from Peter Wadhams. In January
> 2008 there were full front page news item bearing the number continuing on
> th
What timescale are you talking about?
To increase the salinity of surface waters in polar or subpolar
regions, I would expect that it would work better to do it indirectly
via increased evaporation, rather than directly by adding salt.
On Feb 22, 6:41 am, Andrew Lockley wrote:
> In the paper be
1a. The inevitably absurd universe
Life unimagined by us would be possible (and statistically inevitable)
in all (or almost all) possible universes. Furthermore, any universe
would look absurdly well-tuned to its inhabitants.
On Feb 12, 9:34 pm, dsw_s wrote:
> 8. The old, evolving, w
8. The old, evolving, weak-anthopic universe (serial pseudo-
multiverse)
What appear to us to be fixed laws and constants actually change,
and we're seeing a time that's conducive to our existence because
that's where we can be.
On Feb 12, 7:02 pm, "John Nissen" wrote:
> It is 12th February
How will snow cover on land be affected in coming years? As far as I
can see, the qualitative/naive guess is more snowfall and more
melting, with no way to tell which will dominate without an actual
model.
On Feb 11, 6:26 pm, "John Nissen" wrote:
> I wonder whether Archer's complacency over the
I have in mind that a lot of the arctic sea ice is flushed out into
warmer waters, rather than melting locally. Could we put fields of
computer-controlled sails on top of the ice, to keep it in the arctic?
--~--~-~--~~~---~--~~
You received this message because you
My favorite potential interventions are to alter circulation so as to
increase vertical transport of latent heat, and to puff silicate rock
into stuff like expanded vermiculite to increase weathering to remove
CO2 from the atmosphere and increase soil retention of moisture. Both
could help with a
We have radiative forcing in climate models, and in diffEQ they use
the word forcing to talk about things like pendulums with an
additional force acting on them, but the types of systems I've found
with forcing aren't complicated enough to be climate models and I
think the definition wouldn't quit
8, 4:25 pm, "John Nissen" wrote:
> Hi dsw_s,
>
> There could be an oscillation, but your mechanism would not explain the four
> year delay. Perhaps the delay in negative feedback, which would produce
> such an oscillation, is due to the time for meltwater to flow from
"The absence of a δ13C gradient in the water column during these
events implies that the methane rose through the entire water column,
reaching the sea-air interface and thus the atmosphere. Foraminiferal
δ18O composition suggests that the rise of the methane in the water
column created an upwelli
covery right now seems pretty slim," Stroeve said. "You just
> > don't get very cold temperatures like you used to."
>
> > Eventually, the sea ice is expected to melt out entirely in the summer,
> > leaving only a cover of winter seasonal ice. The NSIDC predicts
y in the summer,
> leaving only a cover of winter seasonal ice. The NSIDC predicts that this
> will happen around 2030, though Stroeve says it could happen earlier, as
> indeed some other scientists predict. That it will happen seems fairly
> certain: "There's no doubt in my
>There is pretty good evidence based on past climate history that long term
>temperature
> changes occur monotonically on a scale of thousands of years but not for
> shorter times
Really? I had thought the opposite, from badly-out-of-date
information. I think it was some series of measurement
>The "forcing" from the sea ice albedo effect is of the order of 30 Watts per
>square metre, so you expect this to drive regional warming.<
I expect surprises. How does the total number of watts of forcing
compare with variability in heat fluxes into and out of the region?
What other feedbacks
I don't know anything about methanotrophs. I'll post this link here
http://www.google.com/url?sa=t&source=web&ct=res&cd=3&url=http%3A%2F%2Fmmbr.asm.org%2Fcgi%2Freprint%2F60%2F2%2F439.pdf&ei=YrKLSdCPDcH7tgfl882nBw&usg=AFQjCNGGbGLR6Fkk-fVrQSFAL19J44vYvw&sig2=fP6aqTs9vBrRuTi1KxcIAA
partly to remind
>4) What happens to methane sinks under conditions of bulk outgassing?
I only did a quick search when reading some of the previous discussion
here, so don't take this as solid at all. But what I have in mind is
that the main process by which methane is destroyed could in principle
be overwhelmed
One of the participants said that to sequester carbon by reacting it
with silicate rock such as peridotite, you need to either transport
the CO2 to the rock or transport the rock to the CO2 source, either of
which may cost an unacceptable amount of energy. That's not actually
true: CO2 circulates
I don't like "irreversible climate change". That would mean (if taken
at face value, in vernacular English) that we can't do anything to
reverse it, not just that it won't reverse itself spontaneously.
On Feb 2, 6:46 am, David Schnare wrote:
> The concept, as applied to climate change, was intr
Just another brainstormy (i.e. no idea whether it's any good) idea: in
the long run, what takes CO2 out of the atmosphere is weathering of
silicate rock to produce carbonate that winds up in sediment. I think
that in many areas the soil and subsoil (where groundwater percolates)
are fairly comple
Adding calcium/magnesium carbonate to the ocean to offset
acidification and increase CO2 uptake would increase the
concentrations of carbonate, bicarbonate, and total inorganic carbon
(if I've got it straight), while decreasing the concentrations of
dissolved carbon dioxide and undissociated carbo
I dimly recall that tall trees lose sap transport capacity to
cavitation: the column of water in the tube of xylem cells is under
tension, with water being pulled up by evaporation rather than just
pushed up by active absorption of water in the roots, so whenever a
gas bubble forms in the wood it
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