1 / 16

Hazard map and flood, storm warning system in vietnam

Learn about Vietnam's hazard map and early warning system for floods and storms, including the effectiveness of the system and specific results.

twalsh
Download Presentation

Hazard map and flood, storm warning system in vietnam

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. CENTRAL COMMISSTTEE FOR FLOOD AND STORM CONTROL _______________________________ Hazard map and flood, storm warning system in vietnam Nguyen Huu Phuc DEPARTMENT OF DIKE MANAGEMENT AND FLOOD CONTROL

  2. VIETNAM  Vietnam is located in South-East Asian Area: 331,690 km2 Population:78,45 million (1999) Population Density: 226 persons/km2 Percent Urban: 20,8% Percent Rural: 79,2% Vietnam has 14 major river systems including 02 large international river basin: Red River in the North MeKong River in the South HaNoi Capital

  3. Hazard Map and Flood, Storm Warning System DISASTER ZONES IN VIETNAM North:Storm, Flood Central of Vietnam: Storm, Flashflood, flood South: Flood

  4. Hazard Map and Flood, Storm Warning System FLOOD AND STORM WARNING SYSTEM INTRODUCTION Forecasting: by Hydro-Meteodology Service - Storm: Line tract, Intensity, Time - Flood: Hmax and Time in main Gauges Warning: by Central Committee for Flood and Storm Control Warning issure: + Forecast news + Respond activities

  5. Hazard Map and Flood, Storm Warning System EFFECTIVENESS OF EARLY WARNING SYSTEM Increasing trend of warning effectiveness: - Government attention:issued policy for strom and flood control as Storm warning regulations, Ordinance on Storm and Flood control, Ordinance on Dikesand others. - Increase of Public Awareness - Modern technology - International relations and new technology transfer (Internet, Conference…)

  6. Hazard Map and Flood, Storm Warning System EFFECTIVENESS OF EARLY WARNING SYSTEM Specific results Flood in the Sorth of Vietnam: Applied the flood inundation map to warn the duration of flood transmission and inundation for following actions: - Evacuation in depth and damage area. - Storage of food, medicine and necessary goods. - Building the safe places for children during flood season for most vulnerable areas. - Havest crop - Protecting the fruit-tree and densely populated area by embankment.

  7. Hazard Map and Flood, Storm Warning System EFFECTIVENESS OF EARLY WARNING SYSTEM

  8. Hazard Map and Flood, Storm Warning System EFFECTIVENESS OF EARLY WARNING SYSTEM Specific results Storm in the North of Vietnam: Warning issue for: - Observed Storm / Remote Storm. - Nearby Storm. - Emergency Storm. - Landing storm have contents as follows: - Storm track - Activities to respond the storm

  9. Hazard Map and Flood, Storm Warning System EFFECTIVENESS OF EARLY WARNING SYSTEM • Fishing boats in the sea that come back or find shelter or escape from storm-effected area; do not determinelly permit fishermen in the boat; arrange the plans to respond to the storm • Ensure the safety of peoples in low land, estuary, coastal area and aquaculture area. • Execute measures for safety of dike system, structures under construction • Evacuate the hourseholds in high risk of landslide, flashflood

  10. Hazard Map and Flood, Storm Warning System EFFECTIVENESS OF EARLY WARNING SYSTEM

  11. Hazard Map and Flood, Storm Warning System HAZARD MAP DEVELOPMENT Hazard map have developed from topography map with 1. Scale: Red River Basin: 1:10.000 for downstream 1:25.000 for upstream Mekong River Delta: 1:25.000 and 1:10.000 for specilic area Central Vietnam: 1:50.000 for all provinces; 1:10.000 for downstream of some river. 2. Flood: biggest flood of historical flood.

  12. FLOOD-MASTER PLAN IN MEKONG DELTA MAP OF FLOOD INUNDATION AREA IN 1996

  13. 1999 HISTORICAL FLOOD EXTENT Thua Thien Hue Province - Central Vietnam

  14. 1999 HISTORICAL FLOOD EXTENT DaNang Province - Central Vietnam

  15. Hazard Map and Flood, Storm Warning System CONCLUSION AND COMMENT • Flood and storm impact have decreased because of Government attention and effective activities of orgnizations. • Flooding maps have been developing for central region. • Policy and law for early warning system • Applied the new technical equipments for early warning system.

More Related