wakel river basin project Flashcards

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1
Q

where is the wakel river basin found

A

rajasthan in north india

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2
Q

what is significant about the climate in the region

A

driest region in india, less than 250mm of rain each year, temperatures up to 53 degrees celsius

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3
Q

what two issues does the lack of clean water lead to

A
  1. water extraction isnt regulated so many ares have over abstracted groundwater supplies.
  2. crops cant be irrigated properly leading to food insecurity
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4
Q

who were in charge of the initiative

A

the united states agency for international development - USAID

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5
Q

when did the programme run

A

2004 - 2014

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6
Q

what were the three methods used

A

taankas, joheds, pats

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7
Q

what is a taanka

A

concrete container underground, used to collect water from roofs

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8
Q

advantages and disadvantages for taankas

A

advantages - cool storage so water isnt lost through evaporation
disadvantages - producing concrete releases carbon dioxide which contributes to global warming

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9
Q

what is a johed

A

an earth and sand dam that increases water flow into rivers

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10
Q

what are the advantages and disadvantages of joheds

A

advantages - can keep water flowing through rivers all year round
disadvantages - affect the water supplies in a small quantity so may not help an entire village

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11
Q

what is a pat

A

small bunds that divert water from a stream into farmlands for irrigation

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12
Q

what are the advantages and disadvantages of pats

A

advantages - farmland receives constant supply of water which reduces the risks of crop failure
disadvantages - channels need constant maintenance to prevent them filling up with silt

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13
Q

what are bunds made from

A

stones and lined with leaves to ensure they are waterproof

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