re "testing in canals and reservoirs" It's not a pretext , Andrew- it's a primary goal, hence the title of the paper in question :
'Bright water: hydrosols, water conservation and climate change.' On Wednesday, April 20, 2011 8:55:32 PM UTC-4, andrewjlockley wrote: > > Michael, > > I'm not saying the production of microbubbles is a new idea. However, I'm > not aware of any programme of testing of the behaviour of such bubbles in > real waters from around the world. The key issue is residence time, and we > simply don't know how that will be affected by the myriad types of waters > which the technology could be deployed in. Whilst testing in canals and > reservoirs under the pretext of reducing evaporation makes a lot of sense, > any deployment at scale will be in the sea, and so testing seawater is > logically a better test. > > My suggestion is that by concocting a simple series of 'homebrew' > experiments we can gather some really useful data which can help the > modelling of this technology tremendously. > > I for one would not know whether the silty waters of the Thames estuary > would make better microbubble waters than the bright green biologically > active water of Portsmouth harbour. Do you have any data which could > answer this question, without recourse to an experiement? > > An experiment should settle the matter. Furthermore, an experiment would > raise public awareness of, and interest in geoengineering. It's not > practical for school children to launch balloons into the stratosphere, but > they could be very helpful in blowing bubbles into buckets of seawater with > a bicycle pump. It may not be sexy, but my guess is it will be a good test > to gather some crude raw data for later modelling. > > A > > On 21 April 2011 01:38, Michael Hayes <[email protected] <javascript:>>wrote: > >> Andrew, "Bright Water" is not a new concept. It was proposed as a means >> to reduce hull drag some time ago. Funding is the issue!!!! >> On Wed, Apr 20, 2011 at 5:28 PM, Andrew Lockley >> <[email protected]<javascript:> >> > wrote: >> >>> Hi >>> >>> It seems to me that Brightwater is suitable for 'homebrew' testing, and >>> indeed would greatly benefit from this work. Water bodies are very >>> variable by salinity, choppiness, cloudiness, temperature, etc. >>> >>> Is it possible to create a set of standard tests which can be conducted >>> by people to test BW in their local area? A bucket filled with seawater in >>> California may behave very differently to a bucket of seawater in Scotland. >>> >>> I would imagine that it would be possible to test the idea using a 2 >>> gallon bucket, a bicycle or car tyre pump, clock, standard diffuser nozzle >>> and a ruler with a coin taped to it (for checking cloudiness). A colour- >>> comparison chart may also be useful. Sure, these would be very basic >>> results, but they would be very helpful if (for example) we discovered that >>> water near river mouths was better than water from open ocean shorelines. >>> I'm guessing that all the equipment that wasn't available in an average >>> home would be able to be bought and posted for likely a lot less than 50 >>> dollars. >>> >>> I may be offending the sensibilities of those with big labs and high >>> standards, but my guess is we could quickly gain some very useful data on >>> this with the participation of some people on this list, and maybe beyond. >>> Who knows, maybe this could become a very popular experiment in schools >>> and colleges? >>> >>> A >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "geoengineering" group. >>> To post to this group, send email to >>> [email protected]<javascript:> >>> . >>> To unsubscribe from this group, send email to >>> [email protected] <javascript:>. >>> For more options, visit this group at >>> http://groups.google.com/group/geoengineering?hl=en. >>> >> >> >> >> -- >> *Michael Hayes* >> *360-708-4976* >> http://www.wix.com/voglerlake/vogler-lake-web-site >> >> >> > -- You received this message because you are subscribed to the Google Groups "geoengineering" group. To view this discussion on the web visit https://groups.google.com/d/msg/geoengineering/-/2nP8GBDhVYAJ. 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.
