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How do Trees Really lift Water to their Leaves?

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8 years 6 months ago #731 by Andrew
BC don't make me laugh. Please my ribs are aching as it is. Double blind study? Who is going to do this when it flies in the face of the literature they depend upon so much.

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8 years 6 months ago #732 by Andrew
BenV:
Don't use this as an excuse for not doing the science you could otherwise do.

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8 years 6 months ago #733 by Andrew
Lyner:
AKF. You are tilting at windmills here. No one on any of these threads seems to have doubted your experimental results so why should we need to repeat your experiments? What everyone is disagreeing with is your nonsense explanations. This forum is blind to qualifications and past achievements. You might be surprised to hear what some of us HAVE actually achieved. We mostly comment on the sense of what we read in these posts. There is no place for inverted technical snobbery. Your claim to being RIGHT just because of your lack of 'qualifications' makes no sense at all.
You quote GCSE level as if that is the sum total of human knowledge. That's plain daft. There are more shortcomings to the School Science curriculum than you've had hot dinners but that is irrelevant to the sense or otherwise of your ideas.
It is also strange that you use the opinions of your own 'expert' to support your ideas but reject the opinions of other experts. That's all a bit selective, isn't it?

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8 years 6 months ago #734 by Andrew
BC:
OK, so that's your excuse for not doing bouble blind trials (not a very impressive one but...) .

What's your excuse for totally failing to do the maths?
What's your excuse for persisting with ideas that simply don't hold water when someone else looks at the numbers?

As things stand, if someone took up your ideas and ran with them and they actually turned out to be right then your epitaph might well be "Had some ideas about so-and-so but hadn't the abillity to follow it up with a proper explanation or investigation".

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8 years 6 months ago #735 by Andrew
It's not an excuse it's an observation of over 15 years of observing how people go back on their words and fail for whatever reason they can come up with to carry out this simple repeatable study. Why do you think this is B.C et al? Who stands to gain when this therapy is eventually made mainstream? And make no mistake it will be! But who stands to lose the most money when many drug companies and charities and surgeons and doctors find their services are no longer as important as people currently believe them to be? Do you think for one minute I have not been to Universities, Sleep Therapy Centres, Dr’s Surgeries, Hospitals, Colleges, Secondary Schools, Spinal Units, Members Of parliament, Editors of Journals, Science Forums, Television, Radio, Newspapers, Private meetings with surgeons nurses and doctors, argued and shown exactly how this therapy works in front of professionals in charge of caring for people dying including my own Father?

Make no mistake B.C I know who and what I am up against!

The numbers is not quite as simple as Sophie makes it out to be, and I need some help to make certain that everything is taken into account including all of the observations from the experiments.

For example: A tree grows slowly and is filled with fluids from the onset so does not require fluids to be lifted to the leaves as per Sophies rope and bucket analogy. But does require an understanding of why adhesion and cohesion enables the water to remain inside the tree even when the leaves have fallen in deciduous trees. My understanding of this, again based upon observations rather than plucking out of thin air is that the density based circulation provides a mechanism for keeping the tree not only topped up but is more than capable of providing an ever increasing head of water enabling the tree to continue growing away from the soil by adding an upward positive pressure at the tips of branches as well as providing a positive pressure to the phloem and a negative tension to the xylem that reaches from the roots to the water molecules in the soil. It is this incredible bonding quality of water that enables the tree to draw water to it’s roots from the soil and circulate it up to the leaves and back to the roots. Circulation is the key word here. Plants like ourselves and many other species do not lift water but circulate water! Circulating may require a pulley block and rope with buckets on it to understand it but not in the sense that it begins as an ampty

Raising the tube experiment from ground level to 24 metres over 10-15 years would not replicate the adhesive or cohesive structure of the tree either and would fail because the experiment is not designed to show an exact structure of a tree but to show how water can remain suspended in a tube over twice the height limit thought possible in physics and circulate fluids.

What I really wanted to hear in the forum was and is offers to help rather than offers to hinder progress. Dave Short did offer to help. Without the experiments being replicated it is infuriatingly difficult to show in words what is happening, in particular with the elasticity of water and tension.

Good News

A now retired doctor and physicist who I met some 15 years ago and who said then all those years ago he would be able to jointly write these experiments up for publication has again confirmed that his help will be forthcoming. This is what is needed: Practical sound advice and guidance. This is what makes a person stand out from the crowd!


This same doctor said after meeting me in person, at a University, as he looked out of his window: “today for the first time I truly understand a tree” without even seeing the experiments!

I have also said this and so have many academics and teachers.

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8 years 6 months ago #736 by Andrew
Lyner:
Quite frankly, AKF, as far as I can see, you are up against yourself. If you really wanted to make this work then you would actually use history to help you instead of trying to play the tragic hero.
You don't read what anyone has written in these recent posts. You argue in one direction when the issue is in another direction. Has anyone doubted that you have seen results from your therapy experiments? Has anyone doubted the Brixham results?
What do you want to be 'remembered for', someone who found out something which could have been useful or someone who demonstrated just how wrong it's possible to be when you ignore all the facts?
I think you are revelling in all this opposition rather than trying to learn anything from what people have written.
Do you really think that the people on this forum are ruled by vested interests? You are exactly the same as the creationists and the Moon Landing Conspiracy proponents. The truth is clearly too complicated for you to understand so you have to make up your own home brewed ideas instead.
Such a shame. You want to be the one man in History who produced a brand new Science, all on his own. Everyone's out of step but you.

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8 years 6 months ago #737 by Andrew
So wrong and so far off the mark about where this is heading Sophie. I do learn from you and others, my lesson might not go in the direction you anticipate but that is the problem with people who think laterally rather than a blinkered approach.

I have taken on board all of the posts and let's face it they are available for reflection and are being read by the doctor who has agreed to help with the paper. The real shame is that the significance of all of this appears to go over your heads.

You said science does not suck in that it can be explained better by pressure changes. The cohesion tension theory has an elaborate explanation stating that as one water molecule leaves the tree to the atmosphere another is drawn up to replace it. Well blow me if this was the case we would have water spurting out of the tops of buildings filled with cavity wall insulation and all of the water would leave the top of the tree rather than the observed source to sink flow.

Picture a deciduous tree in Autumn with all of it's leaves on the ground standing 40-50 metres as naked as a newborn. The cohesion tension theory states evaporation from the leaves causes water to be sucked up, SUCKED being the appropriate term for one molecule replacing another in a vertical chain from root to leaf. Well blow me again there are no leaves to suck here yet the buds begin to burst in the upper most branches during the spring. How does your precious historic science deal with this obvious anti-suck observation? It can’t can it? Only a density change be it from the warming of the outside of the tree or from the release of stored salts and sugars or even a combination of both can explain this new burst of life in what is after all a multiple conduit system consisting of predominantly non living tubular cells.

Another argument is that the collective pull of the densely leaved canopy can account for the impressive heights of trees. Well blow me again there are many trees locally that have very little canopy yet continue to grow vertically and have done so for some 21 years. Larch being a prime example.

The problem science is having at the moment is accepting that trees do not suck water up and emit it to the atmosphere, they circulate sap and some of it is emitted to the atmosphere and as a result of the water loss inevitable density changes take place!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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8 years 6 months ago - 8 years 6 months ago #738 by Andrew
Lyner: No Science in all that. I'm afraid. You can relate as many instances as you like but that constitutes no proof of any principles.
In your circulation theory, would you be able to discuss the actual quantities involved? How much goes out at the top and how much goes down again (and then where does it go, laden with all these salts?).
Try thinking things through to their conclusion rather than giving us more purple passages.

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Last edit: 8 years 6 months ago by Andrew.

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8 years 6 months ago #739 by Andrew
BenV

Quote from: Andrew K Fletcher on 11/07/2009 05:45:31
Well blow me if this was the case we would have water spurting out of the tops of buildings filled with cavity wall insulation...

"No Ben it was meant as sarcasm"

That's simply not true, is it? If you really think that, they you do not have a grasp of the physics involved at all.

I'm with sophie, and pretty much everyone else. We're bored of your waffle - do some science instead.

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