Use the tables below to size your gutters and downspouts according to your catchment area and potential maximum rainfall per hour. Note: I will err on the side oversizing gutters as I want…
January 4, 2022
Water Harvesting CalculationsWater Harvesting Calculations, Appendix 3 of Rainwater Harvesting for Drylands and Beyond, Vol. 1 Rainwater Harvesting Nomogram for Tucson, ArizonaThis diagram and a ruler can determine optimal sizes of rainwater tanks…
December 24, 2021
Don’t hoard rainwater in the rainy season – use it! And do so in multiple, integrated ways that enables the water to do more for you and produce greater abundance. This video is…
Kailash Ecovillage in Portland, Oregon has transformed their 2 acres to absorb all of the rain that falls on it with an edible landscape, in a way that they give more water to…
December 23, 2021
See how this ideal orientation of home and landscape trees (in water-harvesting basins) to the sun—plus appropriately sized equator-facing roof overhang—maximizes the on-site potential to freely/passively harvest cooling shade in summer, generate rooftop-solar…
See how this ideal orientation of home and landscape trees (within water-harvesting basins) to the sun—plus appropriately sized equator-facing roof overhang—maximizes the on-site potential to freely/passively harvest warming sun and light in winter,…
See how this layout of trees and cisterns on the west, and house on the north, of the garden create a Sun Trap welcoming the morning sun on the garden (and front porch),…
See how this layout of trees and cisterns on the west of and house on the north of the garden create an afternoon Shade Trap when the cisterns and trees shade and cool…
This video was shot in early summer 2021 coming out of the driest year on record with record heat, and finally got 1.7 inches (43 mm) of rain 7-2021. But almost everyone let…
December 3, 2021