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On-Site Challenge: Water Harvesting Terms and Concepts

On-Site Challenge: Water Harvesting Terms and Concepts. Quiz 4 (Use the terms & concepts list in the MESA Day Handbook along with the “Rainwater Harvesting for Drylands ” resource book).

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On-Site Challenge: Water Harvesting Terms and Concepts

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  1. On-Site Challenge: Water Harvesting Terms and Concepts Quiz 4 (Use the terms & concepts list in the MESA Day Handbook along with the “Rainwater Harvesting for Drylands” resource book)

  2. This is a structure that decreases storm-water flow from a site by temporarily holding the runoff onsite. It is called a _________ or __________ basin.

  3. ANSWER: detention or retention basin Water flowing into retention basin A large-scale retention basin that doubles as a recreation site when not holding water.

  4. Examples of hard-water mineral deposits on water fixtures. Hard-water is a characteristic of water in which it contains dissolved _________ and _________

  5. ANSWER: calcium and magnesium Diagram shows how minerals make their way into our household water

  6. The pictures below are examples of a water-harvesting earthwork that is laid perpendicular to land slope & consists of an excavated basin and a raised berm located just downslope of the basin. What is it called? ___________ and ____________

  7. ANSWER: Berm and Basin

  8. Water containing little or no calcium or magnesium is called ________

  9. ANSWER: Soft-water

  10. A landscaped level-bottomed, relatively shallow depression dug into the earth that collects, infiltrates, and utilizes the rainfall, drainage from the area, and grey water is called an _________ ________

  11. ANSWER: Infiltration basin

  12. The total area of a landscape draining or contributing water to a particular site or drainage is called a __________

  13. ANSWER: Watershed WATERSHED MAP SHOWING MAJOR RIVER WATERSHEDS IN NEW MEXICO

  14. A gently sloping drainage-way that moves water slowly downslope across a landscape, while simultaneously allowing some of it to infiltrate into the soil is called a __________ _________

  15. ANSWER: Diversion swale Water is slowly running across the landscape and seeping into the ground in this diversion swale

  16. When water completely fills the pore space in soil it is called ______ ______

  17. ANSWER: Saturated soil UNSATURATED SOIL PARTICLES SATURATED SOIL PARTICLES

  18. A modified system of boomerang berms connected directly to one another, concentrating harvested runoff at multiple points in the landscape is called a ____ and ____ _______

  19. ANSWER: Net and pan system A completed system looks like a “net” of berms draped over a hillside with “pans” or basins inside each segment of the net.

  20. The amount of rainwater falling onto a site and runoff flowing into a site, minus the amount of water lost to runoffis called the ______ _______ _________

  21. ANSWER: Onsite water budget

  22. The water that runs off a surface when more rain falls than the surface can absorb is called ________.

  23. ANSWER: Runoff

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