Climate Change Indicators and Impacts: Bangladesh Scenario_Saeed Ahmed Siddiquee
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Transcript of Climate Change Indicators and Impacts: Bangladesh Scenario_Saeed Ahmed Siddiquee
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Saeed Ahmed SiddiqueeAlumni, Jahangirnagar UniversityEmail: [email protected]
"Climate Change Indicators and Impacts: Bangladesh Scenario”
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Climate Change: Significant change of an avg. weather of a specific regionover a significant period of time (more or less 30 years) is called CC.
Factors of CC: Earth itself, sunlight intensity variation, anthropogenicactivities, geo-engineering, solar radiations, deviation of earth’s orbit, platetectonics, volcanism, earthquake etc.
Physical evidences of CC: Vegetation, ice cores, dendochronology, pollenanalysis, insects, sea level rise etc.
GHGs: CO2, CH4, N2O, HFC, Per Flouro Carbon, CFC, SF6
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Most weather vulnerable countries to climate change:
1. Bangladesh 6. Haiti
2. Myanmar 7. Philippine
3. Honduras 8. Dominic
4. Nicaragua 9. Mongolia
5. Vietnam 10. Tajikistan
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Dinajpur
Sunamganj
Satkhira
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Methodology
• Cyclone-Surge Prone Areas of Satkhira
• Flash Flood-Prone Areas in Sunamganj
• Droughts-Prone Arid Areas of DinajpurStudy Area
• Cyclone-Surge Zone (Irrigated & Non irrigated)
• Flash-Flood Zone (Irrigated & Non irrigated)
• Drought Zone (Irrigated & Non irrigated)
Zone Selection Criteria
• Review of Secondary Information (RSI)
• Reconnaissance Field Visit (RFV)
• Participatory Action Plan Development (PAPD)
• Development of Questionnaire (DQ)
• Field Survey (FS)
• Focus Group Discussion (FGD)
Sample Collection
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Results and DiscussionsTrend Analysis of Potential Indicators
1. Indicators of Seasonal Variation
Current Seasons of Study Areas (till 2011)
Previous Seasons of Study Areas (before 30 years)
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2. Indicators of Natural Hazards
100%80%
100%
50%70%
50%
10%30%
50%
100%
20%
20%
30%
90%
40%
10%
30%
20%
10% 10%
50%
10%
90%
10% 20%
Increased Decreased No change None
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3. Indicators of Climate and Water
50%
50%
90%
20% 20%
10%
80%
10%
80%
10%
Temperature Humidity Rainfall Water availability
GWL and quality
Hot and prolonged Increased Decreased Scarcity Saline
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4. Indicators of Agriculture
0
20
40
60
80
100
120
% o
f P
eo
ple
Agricultural Sectors
Summer
Winter
Increased
Decreased
High
Low
Difficult
Easier
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5. Indicators of Livestock
20%
70%50%
70%
80%
30%40%
30%
80%50%
30%50%
20% 20% 10%
Increased Decreased Cross and Hybrid
Short Long High
low Not observed
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6. Indicators of Fisheries
20%30%
60%
80%70%
40%
40%
60%
50%
CPD Type of fish Species appeared
Species disappeared
Price
Fisheries Indicator
Increased Decreased Smaller Saline High Low
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7. Indicators of Food Intake
20%
80%
10%20% 20% 20% 20%
90% 90%50%
20%
20%
70% 70% 70%
20%
10% 8%30%
70%
10% 10% 10%
60%
2%
Not have enough
food
Unable to eat
Take Limited
Variety of food
Take disliked
food
Take smaller
meal
Take fewer meal
Take food at outside
home
Hunger sleep
Hunger day-night
Indicator
Rarely (10 times/year) Sometimes (<45 times/year) Often (>45 times/year)
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8. Indicators of Migration
60%
30%
10%
No Migration
Seasonal Migration
Permanent Migration
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9. Indicators of Income & Poverty
0% 20% 40% 60% 80%100%120%
Subsistence Farming
Commercial Food Production
Access to Seeds
Food from Market
Food from VGD/VGF/Govt.
Employment Level
Income Generating Activities
Income Level
% of People
Ind
ica
tors
Importancy on Nutrition
Increase
Decrease
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Recommended Adaptation Measures
Agriculture Use of more heat/drought/salt-tolerant crop varieties in areas
under water stress
Use of more disease- and pest-tolerant crop varieties
Water Resources Management Improved efficiency of irrigation system
Sustainable mode of irrigation in areas frequented by hill torrentsand flash floods
Introduction of rainwater harvesting methods
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Fisheries Breed fish tolerant to high water temperatures
Fisheries’ management capabilities to cope with impacts ofclimate change must be developed
Assist communities in establishing deep-sea fishingpractices on a community basis
Introduce more shrimp farms in villages and assist in directmarketing.
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Health and Hygiene
Advocate better hygiene practices
Educate communities concerning the spread of vector-borne diseases
Through community involvement, establish wastewater treatmentsystems (Pilot Project model).
Disaster Risk Reduction Capacity building of the communities for future climatic changes
Supporting communities to better adapt to climatic changes
Ensuring risk reduction measures across all the above-mentionedsectors of agriculture, fisheries and health & hygiene.
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Food Security
Ensuring household food security via targeted safety nets.
Ensuring household food security by lowering domesticfood prices.
Measures to stimulate a medium-term food grain supplyresponse.
Measures to handle the ‘spillover’ effects of the above-mentioned policy responses
Genetically Modified (GM) research is needed to avoidfood crisis.
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"Only when the last tree has died and the last river been poisoned and the last fish been caught
will we realize we cannot eat money" -Cree Indian Proverb.
Thank you.