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Flood Early Warning System in I.R. of Iran

CONFERENCE ON WATER OBSERVATION AND INFORMATION SYSTEM FOR DECISION SUPPORT 25-29 May 2004 Ohrid-Republic of Macedonia. Flood Early Warning System in I.R. of Iran. Sina Samadi 1 , Javad B.Jamali 1,2 , Soheila Javanmard 1,2 ,Iman Babaeian 1

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Flood Early Warning System in I.R. of Iran

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  1. CONFERENCE ON • WATER OBSERVATION AND INFORMATION SYSTEM • FOR DECISION SUPPORT • 25-29 May 2004 • Ohrid-Republic of Macedonia Flood Early Warning System in I.R. of Iran Sina Samadi1, Javad B.Jamali1,2, Soheila Javanmard 1,2,Iman Babaeian1 1-Climatological Research Institute (CRI) 2-Atmospheric Science and Meteorological Research Center (ASMERC)

  2. Introduction At the close of the twentieth century, natural hazards and disasters are one of the most common forms of disasters around the world. Natural disasters cause in significant loss of life and serious economic, environmental and social impacts that greatly retard the development process. Careful hazard assessment and planning, and a range of social, economic and political measures, can significantly contain these threats. Most commonly, there are three components in a natural disaster plan: monitoring and early warning; risk assessment and mitigation and response. Given the improved tools and technologies available today, it is possible to provide disaster information and minimize the potential damage of disasters. So, the national early warning systems would be discussed, as one of the important component of natural disaster risk management. In I. R. of Iran, also, different types of natural disasters occur, such as drought, flood, earthquake, sea-level rise, dust storm, hail, freezing and etc, but Flood hazard and disaster is one of the most frequent and damaging types of natural disasters. They have been the most common type of geophysical disaster in the latter half of the twentieth century in Iran, generating an estimated more than 20 percent of all disasters from 1950 to 2003.

  3. Source: NCNDR, 2002 • IRAN, a disaster prone country • Major natural disasters include : • Frequent major earthquakes • Floods • Droughts • Landslide • Desertification • Deforestation • Storms Percentage of Natural Disasters Events in I.R. of Iran (1990-2002)

  4. Three phases: Floodplain management(before flood): preventative activities to reduce flood impacts environmental management activities Flood response(during flood): operational activities emergency management Flood recovery(after flood): assistance to get back to normal life disaster relief Flood Management

  5. National Flood Early Warning System(NFEWS) in I.R.of Iran Observation Issue Response

  6. Type of station Marine met. Station VOS Buoy Ship Coastal station No. of station 1 2 - 13 Synoptic RBSN-SYNOP RBSN-CLIMAT RBSN-TEMP 155 74 74 9 Satellite receiving sta. 1 Upper-air Radio sound Pilot balloon Two obs. Daily One obs. Daily 13 11 2 1 12 GAW BAPMoN Ozone 1 1 Weather radar Others Radiation station Mountain station 1 28 1 AWS 12 * RBSN: Regional Basic Synoptic Network * AWS: Automatic Weather Station * VOS: Voluntary Observing Ship * GAW: Global Atmospheric Watch * BAPMoN: Background Air Pollution Monitoring Network Agro meteorology sta. 22 Climatologic station 261 Rainfall station 2420 Aeronautical station 47 Evaporation station 220 Network of meteorological observation in I.R. of IRAN Type of station No. of station

  7. Case Study One of the hazardous floods of I.R.of Iran occurred in Golestan and north of Khorasan provinces , located in north -east of the country , on August 2002. In this regard , according to the responsibility of I. R. of Iran Meteorological Organization (IRIMO) on the flood forecasting, the early warning issue of the mentioned flood, issued within 48 hour's in advance.by using this Early warning system we could decrease many losses and damages in this part.

  8. References: • Donald A. WILMITE, 2000, Drought, Volumes 1 and 2. • I. R. of Iran Meteorological Organization, Reports and Products, 2001 and 2002. • National Committee for Natural Disasters, I. R. of Iran, Reports, 2001 and 2002. • Natural Disaster Risk Management Project, Climatological Research Institute(CRI), 2002. • Palmer, W.C 1965. Meteorological Drought • Parker D. 2000, Floods, Volumes 1 & 2.

  9. Thanks for your Attention

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