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T aiwan S trait NOW cast s ystem. N ational C enter for O cean R esearch Taiwan, ROC. Development of A Nowcast System for the Taiwan Strait (TSNOW). Sen Jan and Yu-Huai Wang. National Center for Ocean Research, Taiwan, R.O.C. Shenn-Yu Chao
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TaiwanStraitNOWcastsystem NationalCenterforOceanResearch Taiwan, ROC
Development of A Nowcast System for the Taiwan Strait (TSNOW) Sen Jan and Yu-Huai Wang National Center for Ocean Research, Taiwan, R.O.C. Shenn-Yu Chao University of Maryland Center for Environmental Sciences, U.S.A. Dong-Ping Wang Marine Science Research Center, SUNY, Stony Brook, U.S.A.
Matsu Keelung Taipei Taichung Dongshan Kaohsiung Maopitou
”NOWCAST” ? T = 0 T = 24 hrs time sea levels currents
CONCEPT of TSNOW WWW • Disaster warning • Marine rescue • Pollutant dispersion • prediction • Scientific study • Environmental • policy making • Marine resources • management Observations Prediction Demonstration Applications
OBSERVATIONS Sea levels from tide gage station Velocities from BM-ADCP Velocities from SB-ADCP T and S from CTD Observations
NUMERICAL MODEL Model resolution Boundary conditions Prediction
MODEL DEVELOPMENT Stage 1 Stage 2 Stage 3
VALIDATION FOR SEA LEVELS Black-observed Red -calculated Kaohsiung Dongee
VALIDATION FOR CURRENTS Blue - currents measured using ship-board ADCP mounted on OR-I Red - currents extracted from model results
DEMONSTRATIONS Penghu Islands Dongee -24 0 +24
APPLICATIONS • Disaster warning • Marine rescue • Pollutant dispersion • prediction • Scientific study • Environmental • policy making • Marine resources • management Applications
APPLICATIONS • Disaster warning • Marine rescue • Pollutant dispersion • prediction • Scientific study • Environmental • policy making • Marine resources • management 16:00 May 15 1999 Applications
APPLICATIONS • Disaster warning • Marine rescue • Pollutant dispersion • prediction • Scientific study • Environmental • policy making • Marine resources • management Applications
APPLICATIONS • Disaster warning • Marine rescue • Pollutant dispersion • prediction • Scientific study • Environmental • policy making • Marine resources • management Applications