Author(s): Erich J. Plate; Hon Member Iahr
Linked Author(s):
Keywords: Mekong; Flood forecasting model; Data based forecast
Abstract: Among the tasks of the Mekong River Commission is the task of developing a new early warning system for the main stem of the Mekong River for the countries of the lower Mekong region. This system is to be based on modern technology and new means of communication and data acquisition. A part of the early warning system is the improvement of the existing forecasting model, in order to be able to extend the present capability to obtain a more reliable forecast. A two pronged approach was suggested for the development: First approach is to improve the present forecasting system by means of improved input data and input data modification. The second approach consists of developing a new forecasting model, in parallel to the first. For this, a framework was prepared recently, which shall be presented. It is data based: i. e. it starts from assessment of available data, and shall take account of hydraulics and topography of the Mekong river system. A network of river gages and rainfall stations, whose outputs are transmitted to the MRC Regional Flood Management and Mitigation Centre in Phnom Penh, Cambodia, is generated parallel to the model development. Output of the model will be a forecast of the river stages up to 5 days in advance. From the forecasts for the Mekong gages, further forecasts are to be developed for local stations in villages that are threatened by floods.
Year: 2007