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6

Vulnerable

point

Existing Drain Soil

conditions

Strom water

run-off

Domestic used

water

Efficient Drainage

plan

Land

Elevation

Man-made drainage

1. Primary drains

2. Secondary drains

3. Tertiary drains

Figure 1: Conceptual framework

River Canal

Natural drainage

Drainage system

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Maps Secondary data

Journals

Seminar paper

Map (land use, contour) BBS Census Book

Relevant book

Dissertation

Data processing and interpretation

Data analysis and presentation

Finalization and report Writing

Pouroshava office Others NGO & office

Digital maps/GIS

coverage

Topic Selection

Conceptualization

Objective Selection

Selection of the Study Area

Reconnaissance Survey

Data Collection

Spatial data Aspatial data

Methodological design of the study

Primary data

Physical observation Interview methods

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Map 1: Map of Magura Pourashava

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Recommendation and

Conclusion

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0.5

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3.5

1985 1990 1995 2000 2005 2010 2015

Series1

Linear (Series1)

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Map 4: Existing Natural Drainage System of Magura Pourashava

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Photograph 2:Naboganga River

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Photograph 2: Defulia Khal

Photograph 4: Haorkhali Khal

Photograph 5: Kachi Kata Khal

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Photograph 7: Kumar Khal

Photograph 8:Narayan Thakur Khal

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Photograph 8: Shitarampur Khal

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Map-5: DEM map of Magura Pourashava Map-6: Fill Sink Map of Magura Pourashava

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Map-7: Flow Direction map

Map-9: Stream Definition Map

Map-8: Flow Accumulation Map

Map-10: Stream Segmentation Map

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Map-11: Catchment Grid Delineation Map-12: Catchment Polygon Map

Map-13: Drainage Line Map Map-14: Drainage Point Map

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Map-16: Existing Feature and derange line Map-15: water flow network

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Map-17: Proposed Drain

Map-18: Drainage plan

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Typical tertiary drainage

Typical secondary drainage

Typical primary drainage

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