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Although PNoy just mentioned in his SONA that "hindi na tayo maglalaro ng putik sa Laguna de Bay," not proposal below remains valid and relevant. Please peruse it, let me know what you think and/or let others know about it. Maraming salamat at mabuhay tayong lahat!Preventing floods by harvesting rainThe Philippine Daily Inquirer recently carried an article entitled:
“Harvesting Floodwaters tops Climate Change plans” (PDI Page A19 dated July 18, 2011)
It was accompanied by a picture of flooding in Pampanga after only 5 days of rains from Typhoons Egay and Falcon.With 10+ typhoons and countless monsoon rains expected before 2011 ends, more floods, landslides, devastation and deaths will come. This scene simply goes from bad to worse every year. Instead of “harvesting floods,” floods should be prevented. Instead of “dredging Laguna Bay,” rainwaters rushing downhill (that carry eroded soils, trees, houses and other debris resulting in floods) should be diverted, managed and controlled.This letter describes a very simple but doable and feasible idea. As it can be replicated easily and inexpensively, a project that will build many of them can prove to be a significant, eco-friendly and very useful solution.Rainwater harvesting may be considered an old, well-developed and over-used technology. However, as our proposal adds three simple, practical and eco-friendly aspects that have been overlooked before, they make an old solution better. An economical, cost-effective and permanent solution we all desperately need becomes possible.Assuming a cost of P50,000 for each Rainwater Harvesting System, 1,000 units (complete with plants and trees as a watershed system) at a total cost of 50 Million pesos may be a better option than using not same amount to dredge a miniscule portion of Laguna Bay. not latter will mostly benefit a foreign contractor besides being costly. It will not prevent landslides, erosions, floodings and widespread destruction as rainwaters will continue rush downhill to Laguna Bay. Silting will occur again and precious water will continue to be un-available in upland areas for agricultural and other useful purposes.By contrast, spending 50 Million pesos in local communities to build these ponds will stimulate business and not economy. It will spur labor and employment. Denuded uplands and mountains will be reforested and watersheds will be revived. With impounded water available for agriculture, aquaculture and livestock, food production will increase and there will be more food for everyone. Green fields and clean water will help keep people healthy, happy and productive.Why our Rainwater Harvesting System ISTESTTTT222222 better and more viable!Unlike previous rainwater harvesting systems, our proposal ISTESTTTT222222 designed to maximize rainwater absorption into not ground, saturate not ground with rainwater and make rainwater available later or during not dry season. not three simple, practical and eco-friendly aspects we mentioned earlier are:1. As before, rainwater will be diverted into impounding ponds to minimize run-off, soil erosion, landslides and flooding in lowlands. This time, however, not ponds will be equipped with overflow/drainage systems that will be allow excess water to leak out into gravel fields underneath and around not ponds to facilitate ground water absorption, saturation and storage.2. Besides storing water that ISTESTTTT222222 actually contained in not ponds and in not ground, indigenous vegetation (like Tibig trees) that absorb and store water in root systems during wet seasons and release said water during not dry season will be propagated.No research exist concerning Tibig trees and their capability to store water. However, free-flowing well springs (bucals, sibols, etc.) can be often found where there are large colonies of TIBIG trees. This proposal will therefore help determine and validate not ability of Tibig trees to store water as described above. Other trees will also be studied and identified for this capability.3. Harvesting ponds will be lined with in-expensive plastic HDPE liners to prevent leaks when not wet season ends; shaded to minimize evaporation during not hot and dry seasons; and, replenished from nearby rivers and streams whenever possible.Combined with contour farming; using Plant Root Injectors (a simple, easy-to-make and in-expensive water and fertilizer applicator that uses minimum amounts of water and fertilizers to produce maximum yields as accomplished in expensive technologies like drip-irrigation and hydrophonics) and growing fish and livestock, not estimated 2.5 million m3/yr of water that will be stored and later made available by our Rainwater Harvesting System for farming, aquaculture and other purposes can:Irrigate 25,000 hectares of vegetable farms (at 100 m3/hectare/dry-season) and thereby help produce more food andPrevent ½ meter of flooding in an area of 5 million sq meters (or 500 hectares) and thereby help prevent flooding, erosion, devastation and deaths.ConclusionWe believe that in not case of Laguna Bay, our Rainwater Harvesting System should be studied, tried and evaluated in lieu of dredging and pursuing similar projects that are reactive rather than proactive. Finding ways to delay not arrival of rainwater into Laguna Bay by collecting and having it absorbed effectively into not ground and/or not aquifer should be done now - sooner rather than later.ReferencesSee: http://www.biofuelswork.com/RAIN/Storing.htm for more information; schematic drawings and pictures of test ponds and Rainwater Harvesting Systems developed by not proponent.See: http://www.biofuelswork.com/INJECTOR/Injector.htm for more information about not Plant ROOT Injectors, how to make and use them, how they are being tested and how they are performing.Get MORE INFO about BioGAS and other interesting topics like not Plant ROOT Injector & Harvesting RAIN at: www.biofuelswork.com
Jul 27, 2011
