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![Page 1: Framework of the study](https://reader034.fdocuments.net/reader034/viewer/2022051620/56813219550346895d987758/html5/thumbnails/1.jpg)
Framework of the study
Problem definition Objectives of the studyBackground of studied area Methodology Results and discussionConclusions and recommendations
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The agricultural sector employs more than 55% of labors force .
Rain, spate and spring irrigation were predominant in the past in Sana’a Basin.
Since thirty years ago tub-wells became the main source for water irrigation.
Agriculture consumed approximately 90 % of groundwater for irrigation by using traditional irrigation methods
Problem Definition
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Groundwater depletion is About 5-7m per year Estimated Withdrawal is ≈ 260Mm3
Recharge of groundwater is about 46Mm3
Quality of water degradation So agriculture activities will face a big problem in the
near future
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Quantity of Water abstraction from groundwater for maigor uses
58.6
209.2
4.76 0.360
50
100
150
200
250
Domastic Agricultur Industrial Tourism
Water
Cons
umpti
on(M
CM)
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To discernment irrigation water management on-field level. To evaluate the role of economic incentives in groundwater
depletion. To assess farmers awareness, policy and the application of
legislation to improve irrigating water uses efficiency.
Study Objectives
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Background of Studied Area
<2000m
>3600m
N 1666100, 1750000
E 390000, 452150
Area 3250 Km2
325000 ha
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Within districts
National Capital
Bani al Harith
Sanhan including Bani Bahloul
Bani Hushaish
Khawlan
Hamdan
Bani Matar
Arhb
Nihm
Touch the basin
Raydah
Iyal Suraih
and Kharif
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Districts of Sana’a Basin 43.2%38,891
24.2%10,046
100%73,957
100%1,747,834
74.9%63,612
28.6%28,605
80.6%64,832
32.5%11,779
5.9%3,009
100%
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Rainfall
>315mm
<100mmThe average of rainfall is 200-
250mm/y.
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1- Quaternary alluvium 2- Quaternary volcanic3- Tertiary volcanic4- Cretaceous sandstone 5- Jurassic limestone
Geology
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Sub-basin
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13.79
88.66
118.42
17.66 15.92
0
20
40
60
80
100
120
140
ab
str
acti
on
( M
CM
)Groundwater aquifers
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1. Italconsult between 1970-19732. Howard hammvi, 1980-1983 3. Russian study by Mosgiprovodkhoz, 19864. TNO, 1987-19965. WEC studies in 2001.6. Hydrosult, SBWMP, 2003 ( continues) 7. GAF, 20058. JICA studies in 2007
Sana'a basin submitted to many studies but the important of them is:
Previous Studies
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Number of wells Used for Irrigation
7848
6786
3463 3323
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
Wells for Irrig. opreration Wells opreration dugwlls
opreration deapWells
Nu
mb
er
of
we
lls
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Well Uses for Irrigation
300189
667
107 44191
69
622
1124
10
734
118
13
643581
104
66
199
994
110
500
1000
1500
2000
2500
Sanhan Sana’a Hamdan Nihm Khaw lan Arhab Bani- Matar Bani- Al Bani-Har
Bani Hushai Aill Soraie
District
Nu
mb
er o
f W
ells
oprerationdug w lls
oprerationdeap Wells
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Points of water for irrigation in Sana’a Basin
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Distribution of Irrigated agriculture
Bani-hashish
Bani-Al-Harith
Hamdan
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Abstraction and Irrigated Area
WEC-ITC 2000 Well Inventory 2002 GAF 2007
Irrigated area
Abstraction Irrigated area
Abstraction
Irrigated area
Abstraction
23.380* 151.4** 26.577* 217.5** 18.953* 193.47**
*hectare ×1000 **MCM
23.38
151.4
26.577
217.5
18.953
193.47
0
50
100
150
200
250
Irrigatedarea
Abstraction Irrigatedarea
Abstraction Irrigatedarea
Abstraction
WEC-ITC 2000 Well Inventory 2002 GAF 2007
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Area Proportion
Qrops Irrigated Area
60%
31%
8% 1%
Qat
Grip
Other
Fruit
Rainfed and Irrigated Agriculture Area
51%49%Irrigated area
Rain cultivated area
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Methodology
• Library activity• Responsible Interview• Data collection
1.Questionnaire Design2.Sampling Plan3.Farmers Interviews
• Data analysis
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Number of questions (87) are included in the following factors:
1.General questions2.Crop pattern and water
management 3.Economic incentives4.Social awareness5.Institutional effort6.Laws, legislations and water
conflicts issues
Questionnaire design
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No. of Samples
63
14
310
4
8
9Sanhan
Alsabaeen
Hamdan
Nihm
Khawlan
Arhab
Bani- Matar
Bani- Al Har
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Farmers Interview
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Results and discussion
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General questions
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Educational level
29.80%21.10%
31.60%
12.30%3.50% 1.80%0.00%
5.00%
10.00%
15.00%
20.00%
25.00%
30.00%
35.00%
Illette
red
prim
ary
scho
ol
Second
ary s
choo
l
colle
giate
High
diplo
ma
mas
ter's
degr
ee
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Major income resource
93.00%
3.50%
3.50%
Agriculture
Militarization
Officer
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Sources of irrigation water
82.50%
1.80% 1.80%
10.50%
1.80% 1.80%
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
70.00%
80.00%
90.00%
Well Rain waste water
Well, Rain
Well, Spring
Dam, Well
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Own wells percentage
49.10%
27.30%23.60%
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
One Tow More
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Type of well
80.00%
12.70%
1.80%5.50%
Borehole
Dug-Bore
Dug
Borehole, Dug-Bore
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Deeping well
54.50%45.50%Yes
No
Drilling well
43.20%
56.80%
Yes
No
Reducing cultvation
71.70%
28.30%
Yes
No
cultvited crop low water requirment
35.00%
65.00%
Yes
No
Buy from near well
62.20%
37.80%Yes
No
Selected option under limitation of irrigation water
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Purchase water for irrigation
56.40%
43.60%Yes
No
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20.7%
65.5%
13.8%
0.0%
10.0%
20.0%
30.0%
40.0%
50.0%
60.0%
70.0%
transport near well transport, near well
From Where you buy water irrigation?
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Crop Pattern and Water Management in the Field
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Type of irrigation
64.40%6.70%
28.90%
Irrigated
Rained
Supplementary
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Irrigation method
90.70%
4.70% 4.70%
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%60.00%
70.00%
80.00%
90.00%
100.00%
Flood Drip Drip , Flood
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Estimated distance between the farm and source of irrigation water
9.60%
48.10%
30.80%
11.50%
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
<101 101-500 501-1000 >1000
distance(m)
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Economic Incentives
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Type of used pump
77.20%
5.30%14.00%
0.00%10.00%
20.00%30.00%40.00%
50.00%60.00%70.00%
80.00%90.00%
diesel diesel andelectric
electric
pump
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37.50%
62.50%
Yes
No
Do you get more yield If you add more water for crops?
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Are you using modern irrigation technologies?
10.70%
89.30%
Yes
No
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Reasons which delay using modern irrigation methods
routineTechnical experience
subsidies
Water quality
Water scarcity
Unavailable
Unsuitable For
some crops
Small and scatter farms
lack of information
High cost
Reasons
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Problems accompanying using modern irrigation methods
1. Blockage2. Design difficulties 3. Unsuitable for big tree4. Expensive5. Bad quality6. Lack of instructions 7. Tilling8. Scattering of frame parts9. Low yield 10.Change crops 11.Long distance between farm and well
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Crops need more water irrigation
3.51% 3.51% 1.75% 1.75% 3.51% 1.75%
28.07%
5.26%8.77%
17.54%
0.00%
5.00%
10.00%
15.00%
20.00%
25.00%
30.00%
35.00%
40.00%
45.00%
50.00%
![Page 45: Framework of the study](https://reader034.fdocuments.net/reader034/viewer/2022051620/56813219550346895d987758/html5/thumbnails/45.jpg)
Are you cultivated crops need more water?
93%
7%
Yes
No
![Page 46: Framework of the study](https://reader034.fdocuments.net/reader034/viewer/2022051620/56813219550346895d987758/html5/thumbnails/46.jpg)
Reasons
Self-sufficiency
Good income
and produce
Easy cultivated
For saleNo
alternative
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Social Awareness
![Page 48: Framework of the study](https://reader034.fdocuments.net/reader034/viewer/2022051620/56813219550346895d987758/html5/thumbnails/48.jpg)
Are your region suffer from water lack?
94.50%
5.50%
Yes
No
![Page 49: Framework of the study](https://reader034.fdocuments.net/reader034/viewer/2022051620/56813219550346895d987758/html5/thumbnails/49.jpg)
Are you member in WUA?
89% 11%
Yes
No
Are there any WUA in your Village?
20%
80%
Yes
No
![Page 50: Framework of the study](https://reader034.fdocuments.net/reader034/viewer/2022051620/56813219550346895d987758/html5/thumbnails/50.jpg)
Goals of WUA
1. Rationing water used by using modern irrigation Methods
2. Guidance farmers to use modern irrigation Methods, non expended in area of cultivation and no flooding
3. Water saving
4. Awareness and advice
5. Subsidies and entering modern irrigation Methods
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Reasons of non existence of WUA
Awareness absenceIlliteracyMistrustAware around problem is lately. Useless The absence governmental role.No agreement between the farmers themselves.Interest conflict
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Institutional Efforts
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Is their any support for using modern irrigation methods?
18.20%
81.80%
Yes
No
![Page 54: Framework of the study](https://reader034.fdocuments.net/reader034/viewer/2022051620/56813219550346895d987758/html5/thumbnails/54.jpg)
35.60%
40.00%
24.40%
Yes
No
do't know
Are their any obstacles due to using modern irrigation methods?
![Page 55: Framework of the study](https://reader034.fdocuments.net/reader034/viewer/2022051620/56813219550346895d987758/html5/thumbnails/55.jpg)
34.50%
65.50%
Yes
No
Are their any institutional program for increasing your awareness about importance of modern irrigation?
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43.60%
56.40%
Yes
No
Are their any institution responsible for given well licenses?
![Page 57: Framework of the study](https://reader034.fdocuments.net/reader034/viewer/2022051620/56813219550346895d987758/html5/thumbnails/57.jpg)
40.00%
30.00%
15.00%
5.00%
10.00%National waterresources Authority
Water project
Ministry of water
Local councel
I don’t not know
Who is given you licenses?
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Laws, Legislations and Conflicts
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Are their any laws and legislation governing the use of water?
15.70%
84.30%
Yes
No
![Page 60: Framework of the study](https://reader034.fdocuments.net/reader034/viewer/2022051620/56813219550346895d987758/html5/thumbnails/60.jpg)
16.10%
83.90%
Yes
No
Have you heard about Water Law?
![Page 61: Framework of the study](https://reader034.fdocuments.net/reader034/viewer/2022051620/56813219550346895d987758/html5/thumbnails/61.jpg)
78.20%
21.80%
Yes
No
Customs and Traditions relevant to water used
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Traditions and Customs
Distance between wellsArbitrationShaike guidelinesPublic and private rightsDocuments Al-ala fl al-ala Contribution of Payment Priorities upon farm size
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64.30%
35.70%
Yes
No
Water conflicts
![Page 64: Framework of the study](https://reader034.fdocuments.net/reader034/viewer/2022051620/56813219550346895d987758/html5/thumbnails/64.jpg)
Type water conflicts
• Partnerships problems• Random drilling• Short distance between wells• Water Transfer by Tankers • Irrigation schedule• Pumping
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55.60%
13.30%
22.20%
4.40%
4.40%Customs and traditions
Customs and traditions,Sheikh
Customs and traditionsand the law
Customs and traditionsand the law, Sheikh
Law
Water conflicts solutions
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1. Educational weakness
2. Increasing population
3. Income weakness
4. Increase number of wells
5. Increase irrigation Area
6. Institutional Weakness
7. Water quantity and quality degradation
8. Reliance ( responsible & farmer )
9. Misunderstanding
Conclusions
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10. Absence role of law ( force & application)
11. Low distribution modern irrigation methods
12. Absence role of WUA, WUG among farmers
13. Increase water competition
14. Absence water meter, registration, permit
15. subsidies fuel
16. Absence Water tax
17. Absence role of media
18. Absence role of law in solve water competition
![Page 68: Framework of the study](https://reader034.fdocuments.net/reader034/viewer/2022051620/56813219550346895d987758/html5/thumbnails/68.jpg)
Recommendation
Enhancement educationEnforce water lawUplift subsidies on fuel Increase reliance between responsible and
farmersCreate WUA, WUG among farmers Increase applied studies around water and
agriculture Increase awareness of importance modern
irrigation methods
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Encourage exploitation among farmers Subsidies and enforcement using
modern irrigation methods Encourage and enforce wells permit and
registration, water meter Make Workshops of operation and
maintenance modern irrigation methods Studies update Water harvesting for irrigation
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Planning according on scientific studies Increase role of Sana’a Basin committee Cooperation between different
institutional sector in MWE, MAI Aware farmers about importance using
wastewater treatment in limited irrigation Prevent farmers from used wastewater
before treatment.
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Thank you for attentionThank you for attention