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Water management in rural South India and Sri Lanka

Patrice Cohen
S. Janakarajan

List of Tables and Figures

Texte intégral

1 List of Tables

Table 2.1. Climatological zones in Sri Lanka 45
Table 2.2. Association of Agricultural practices in the Sinhalease calendar 46
Table 3.1. Depth-Wise Distribution of Sample Wells as per their Original and Current Depths in the Palar Basin 73
Table 3.2. Depth-Wise Distribution of Sample Wells as per their Original and Current Depths in the Noyyal Basin 74
Table 7.1. Water supply and sewerage revenues of the CMWSSB, in lacs of Rs 130
Table 10.1. Runoff water loss (% of annual rainfall), soil loss 179

2 List of Figures

Figure 1.1. Kumili-Plug and Socket Sluice 26
Figure 1.2. Madai (Paddle)/Madagu (Screw gearing shutters) Sluices 30
Figure 1.3. Tank Weir-Dam Stones 32
Figure 1.4. Joints in an Anicut 34
Figure 1.5. Hydraulics of Duckbill Weir 35
Figure 1.6. Plan of Maradur Anicut 37
Figure. 2.1 Major Climatic Zones in Sri Lanka 44
Figure 2.2. Typical Tank, Village and Forest System in the Dry Zone of Sri Lanka 47
Figure 2.3. Distribution of Major Irrigation Systems 50
Figure 2.4. Water Resource Development in Sri Lanka 51
Figure 2.5. Concentration of Irrigation Tanks in Sri Lanka 52
Figure .2.6. Evolution and Development of Water and Soil Conservation Ecosystems 53
Figure 2.7. Ancient Irrigation System of Rajarata 54
Figure. 2.8. Bunds Constructed for Ground Water Recharge 56
Figure. 2.9. Sequence of Paddy Fields and Tanks Distribution in a Valley 57
Figure 2.10. Canal Development in Terraced Fields 58
Figure. 2.11. &
Figure. 2.12.
View of the Sorowwa (Valve Pit) 59
Figure 9.1. Soils and Landscape in the Humid Area 171
Figure 9.2. Soils and Landscape in the Semi-Arid Area 172

© Institut Français de Pondichéry, 2003

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