on-site challenge: water harvesting terms and concepts
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On-Site Challenge: Water Harvesting Terms and Concepts
Quiz 3(Use the terms & concepts list in the MESA Day Handbook along with the “Rainwater Harvesting for Drylands” resource book)
Pollutant that comes from many diffuse sources: _________ ______ ________
ANSWER: Non-point source pollution
• Storm-water runoff & snowmelt moving over the ground picks up and carries away natural and human made pollutants. List 5 places where this nonpoint source pollution can end up:
• 1)• 2)• 3) • 4) • 5)
ANSWER
1) lakes2) rivers3) wetlands4) coastal waters5) underground sources of drinking water
Think about it…
• How does water-harvesting help deal with nonpoint source pollution?
The photo below is a tank used to store rainwater, what is it called?
ANSWER: Cistern
The arrow points to a screened opening installed above the elevation of a closed water-harvesting tank’s inlet pipe. What is this feature called?
ANSWER: VentVent pipe on underground cistern
The vent shown in the previous slide is used to prevent a vacuum-caused implosion when:
A) water temperature becomes cold quickly
B) when large quantities of water are quickly drawn from the tank
C) there is too much water in the tank
ANSWER: B
B) when large quantities of water are quickly drawn from the tank
• What is a harmonious assembly of living species such as plants, animals, and people and non-living elements such as rocks or buildings that perform better through their cooperative interrelationships than they would as individuals called?
Answer: Guild
The excess water flowing over the storage capacity of a water
harvesting earthwork or tank is called _______ _______
ANSWER: Overflow Water
A device or length of capped pipe that diverts the dirtiest initial amount of water running off a catchment surface away from a cistern is called a __________ __________ _________
ANSWER: First Flush System• SAMPLE FIRST FLUSH SYSTEM:
•pH is the measure of _______or _______ and ranges from 1-14.
ANSWER: Acidity/ Alkalinity
A ph below 7 is increasingly
A) acidic
B) neutral
C) alkaline
ANSWER: A- AcidicRainwater is low in acidity and excellent for plants!
The impermeable materials in the photos below are examples of what kind of landscaping?
ANSWER: Hardscaping
Water that flows in creeks and rivers or held in ponds and lakes is called __________ _______
Gila River, NM
ANSWER: Surface Water
Heron Lake, NM
Rio Grande River, NM
A check dam is a low leaky barrier placed perpendicular to the flow of water within a drainage. Which letter is NOT a purpose of a check dam?
A) Slow the water’s flow
B) Infiltrate more water into the soil
C) Create hydroelectricity
D) Hold soil and organic matter higher in the watershed
ANSWER: C- NOT for creating hydroelectricity
EXAMPLES OF CHECK DAMS- LOOK AROUND YOUR TOWN FOR THESE FEATURES
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