Urban flood management - Case study Hanoi urban

300+ pages :)

 https://www.floodmanagement.info/floodmanagement/wp-content/uploads/2020/06/Cap-Net-WMO-Urban-Flood-Management.pdf

Study area around Hanoi: Day river and hills along riverbank.

Along Red riverside.

Contents

1. URBAN WATER 8

1.1. Urban development .................................................................. 8

1.1.1. The urbanization process...................................................... 8

1.1.2. Impact on urban infrastructure............................................ 11

1.1.3. Urban infrastructure planning.............................................. 12

1.2. Urban water systems ............................................................. 15

1.3. Water availability .................................................................... 16

1.4. Assessment of urban water components ............................ 18

1.4.1. Contamination of water sources ......................................... 18

1.4.2. Water supply and sanitation................................................ 20

1.4.3. Solid waste.......................................................................... 23

1.4.4. Storm water runoff .............................................................. 25

1.4.5. Summary of the present situation ....................................... 30

1.5. Water-borne disease .............................................................. 31

1.6. Comparison between developed and developing countrie

2. RIVER FLOOD MANAGEMENT 38

2.1. Characteristics of river flooding ........................................... 38

2.2. Settlement of urban areas and impact of flooding.............. 39

2.3. Evaluation of flood events..................................................... 45

2.3.1. Real-time flood forecasting ................................................. 46

2.3.2. Probability or risk of flooding............................................... 47

2.4. River flood control measures................................................ 49

2.5. Structural measures........................................................... 51

2.5.1. Extensive measures:........................................................... 51

2.5.2. Intensive measures............................................................. 53

2.6. Non-structural measures .................................................. 59

2.6.1. Forecasting and early-warning system............................... 60

2.6.2. Zoning of areas liable to flooding........................................ 62

2.6.3. Flood-proof construction ..................................................... 72

2.6.4. Flood insurance .................................................................. 72

2.7. Evaluating flood damage....................................................... 73

2.7.1. Level-damage curve ........................................................... 73

2.7.2. Historical damage curve method ........................................ 74