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The Impact Assessment of High Wind in Youngdong Region

The Impact Assessment of High Wind in Youngdong Region. Department of Geography Konkuk University Jun Suk, Hong. 1. Introduction. The annual disaster in Korea for the period of 1996-2005. Disaster. Natural Disaster. Explosion 1.0%. Fires 24.8%. Road Traffic 62.6%. Typhoon 58.9%.

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The Impact Assessment of High Wind in Youngdong Region

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  1. The Impact Assessment of High Wind in Youngdong Region Department of Geography Konkuk University Jun Suk, Hong

  2. 1. Introduction The annual disaster in Korea for the period of 1996-2005 Disaster Natural Disaster Explosion 1.0% Fires 24.8% Road Traffic 62.6% Typhoon 58.9% Etc. 3.7% Cold wave, Heavy snow Gale Force Winds with Snow 5.2% Etc. 6.1% Heavy Rain 24.5% Sea Risks 5.4% Typhoon . Heavy Rain 6% Pollution (Million dollar) Modified KMA, NEMA’s DATA Gale Force Winds 0.1%

  3. Distribution of Annual Number of Days with Gale forces Wind (1971-2000) 한국기후도에 따온 지도 (Source: KMA, 2001)

  4. Sokcho Gangneung Donghae Buoy Donghae Daegwallyeong Taebaek Study Area Network of Local forecast area in Gangwon Youngdong Region

  5. Study aims • Evaluate the characteristics of high wind and Impacts of high wind for the period of 1988-2006 on the Youngdong Region

  6. 2. Data and research methods • Data • Weather data fromthe KMA’s (Korea Meteorological Administration) annual weather data • Disaster Cost from NEMA’s (National Emergency Management Agency) annual natural disaster report • News from Mass Media • Research method • Statistical analysis of Maximum instantaneous wind velocity. • Selected wind data of advisory and warning levels • Focused on the analysis of the causes and impacts of High Winds for the case of October 2006.

  7. m/s (Wind speed : ) High wind and Wind wave definition (Based on KMA)

  8. 3. Results • Mean annual wind speed variation (1992-2006)

  9. Monthly Mean High Wind Day Days Sokcho Days Days Gangneung Days Daegwallyeong Donghae Days Taebaek month

  10. Variation of High Wind days in Autumn

  11. Weather Chart 23th October 2006 06, 12 UTC 23th October, 2006

  12. Auxiliary analysis Weather Chart 23th October 2006 22th October 2006 24th October 2006

  13. Gust wind and Wave Height from buoy data Year 2006

  14. The amount of damage of Gale winds in Korea

  15. High winds day with severe damages (1988~2006) Gangwon Province

  16. Impacts of High Wind (2006) • Direct Financial Cost • Crop land & green house : Crop land : 51.61 ha flooded and buried Crops : 226 ha damage Vinyl green house : 3.1 ha, 0.4 million dollar • Flooded : 380 buildings • Fishing Industry • – Damaged ship : 56 • destroyed power vessel : 23, half destroyed : 28 • destroyed non powered vessel : 3 , destroyed half : 2 • - Fishing net & fishing gear • 257614, 16.8 million dollar • - Fish farming facilities • 3.5 million dollar

  17. Destruction of Public Facilities • Road & Rail way Road : 6, 2.0 million dollar, 2,075m Rail way : 1, 0.1 million dollar, 50m • Water supply line 14, 0.7 million dollar • School building 5, 0.1 million dollar • Harbor and fishing port Facilities Harbor : 4, 4.1 million, fishing port : 44, 16.8 million

  18. Livestock : 294 • Interruption of public service 13,000 household (Gangneung) • Breakdown of communication

  19. Photo by Koung-Uook, Lee

  20. Environmental Cost • Societal Cost • Decreasing Income from Tourism • Cost of Recovery : 100 million (Government special budget) • Raised the Prices of Daily Necessities • HumanLives Lost • Evacuated and Refuges : 100(45) person(household) • 72(32) person(household) homeless

  21. Typhoon Shanshan (9.15-20) Typhoon Nabi (9.4-8) Typhoon Megi (8.17-19) Heavy rain (7.11-7.20) Heavy Rain, High Wind (6.30-7.1) Heavy rain (6.19-21) Snowstorm (3.3-4) Snowstorm (3.4-5) Wind Wave, High Wind (10.21-24) Typhoon Mindulle(7.2-4) High Wind (10.22-24) Wind Wave, (12.3-7) 2004 2006 2005 The price index for daily necessities of lettuce Month Year

  22. The Impacts of High Wind(2006) by Cost Goseong-gun Cheorwon-Gun Yanggu-gun Sokcho-si The amount of the damage (million dollar) Inje-gun Hwacheon-gun Yangyang-gun Gangneung-si Chuncheon-si 0 – 1 Hoengseong-gun 1.01 – 10 Donghae-si 10 – 20 Pyeongchang-gun Hongcheon-gun Jeongseon-gun Wonju-si Samcheok-si Yeongwol-gun Taebaek-si

  23. 4. Concluding comments • Repetition of disaster is accumulated and it would be a great hazard caused a sever impact on property and human life and even psychology. • Further researches of climate change are required to forecast the weather hazard • Needs to develop mitigation strategies and technology such as GIS DB to mitigate the advert impact of weather hazard.

  24. Thank you.

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