Developing Flood Warning System for Upland Watersheds of the Chao Phraya Basin.
Mr.Sutep JUNKHIAW (1), Mr. Wit SIVONGSA (2), Mr. Thada SUKHAPUNNAPHAN (3), Prof. Dr. Nipon TANGTHAM (4)
(1) Ph.D. Candidate in Watershed and Environmental Management . Kasetsart University.
(2) Ph.D. Candidate in Irrigation Engineering, Kasetsart University.
(3) Director of the Upper North Hydrological and Water Administration Center, Royal Irrigation.Department.
(4) Professor emeritus ,Project Leader of GAME-T Chao Phraya.
A study on the development of flood warning system is a part of project entitled "Utilization of GAME-T Data Bases and Developed Models for Management Integration of the Chao Phraya Basin". The main objective is to developed the real time flood warning system using equipments and remote transmitting system developed in the country. The selected study area is Mae Wang watershed – a sub-basin of Ping river basin, Chaing Mai province where flood frequently occurred. The 4-client stations (5-chanels data logger with 2-automatic raingage, 2-TDR and 1- air temperature) were installed at Khun Wang, Tung Hlong, Sop Win and Pun Ton station. The equipment for water level measurement (2-chanels) was also installed at Sop Win and Pun Ton stations. The signal in Digital Radio Packages(DRP) from 4 - client stations was designed to transmit to the main server station at the Upper North Hydrological and Water Administration Center(UNHWAC), Chaing Mai at a given time interval as that operated by SCADA (Supervisory Control And Data Acquisition) system.
In this study, the system was set to transmit (DRP) data from all client stations to server station every 10 minutes. The developed computer software then translated the DRP- code and sending the data for downstream flood stage analysis (downstream of Punton station). In case of water level and soil moisture in watershed indicate at critical condition, the system is set to transmit data at every 1 minute. Preliminary result shows incomplete DRP signal to the main server but rather clear at Kog-Ma Research station , Doi Pui (temporary) server. The repeater is now in the process of installation to transmit the DRP from Kog-Ma to UNHWAC. The complete systems are hoped to be installed both at the main server station (UNHWAC) and at the target villages so that it can be operated by local organization.
Submittal Information
Name :
Date :
MR.SUTEP JUNKHIAW
07-Aug-04-17:28:29
Organization :
Theme :
KASERSART UNIVERSITY
Theme 7
Address :
Presentation :
Department of Conservation, Faculty of Forestry , Kasersart University. 50 Phahonyothin, Jatujak, Bangkok, Thailand. 10900