ocean observing and information systems in the …...2017/01/12 · ocean observing and information...
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Ocean observing and information systems in the Philippines Cesar Villanoy Marine Science Institute University of the Philippines
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Philippine archipelago consists of complex system of islands, sea passages and basins with complicated topography
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Orographic effects important making it also challenging to conduct ocean and atmosphere observations
Spatial variable wind stress produces sub-meso-scale ocean features. From Flament, Chavanne
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Tracks and intensity of all tropical cyclones
http://eoimages.gsfc.nasa.gov/images/imagerecords/7000/7079/tropical_cyclone_map_lrg.gif
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Hottest of the Hotspots
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Observation programs
• National Mapping and Resource Information Authority (operational agency for oceanograpy-also designated as the national oceanographic data center)
• Philippine Atmospheric, Geophysical, Astronomical Services Administration (operational meteorological agency)
• Bureau of Fisheries and Aquatic Resources • Research-based observations (e.g. academic
institutions) • coral monitoring, water quality in aquaculture
areas • Meteorology/Oceanography • Project NOAH
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NAMRIA TIDE STATIONS BASCO
SAN VICENTE CURRIMAO
SAN FERNANDO
SUBIC
MANILA
CORON
BATANGAS
BALINTANG
CATICLAN
MAMBURAO
PUERTO PRINCESA
PAGADIAN
DUMAGUETE
MAMBAJAO
CAGAYAN DE ORO
TAGBILARAN
DAVAO
GEN SAN
MATI
TANDAG
GUIUAN
CEBU
PULUPANDAN
REAL VIRA
C
LEGAZPI
BALANACAN BULA
N
CATBALOGAN MASBATE
BALER
SAN JOSE N.SAMAR
TACLOBAN
SAN JOSE ANTIQUE
PORT JOSE PANGANIBAN
BONGAO
BROOKES POINT
ODIONGAN
SURIGAO
EL NIDO
CALAPAN
EXISTING TIDE STATIONS = 47 IOC NEAR-REAL-TIME TELEMETRY STATIONS = 6
LUBANG
NEAR-REAL-TIME TELEMETRY STATIONS = 34
ZAMBOANGA
MARIVELES
SAN JOSE
SAN CARLOS
NON-TELEMETRY STATIONS = 7
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Observation Platforms research vessels, met buoys, coastal hf radars
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Coral Reef Monitoring Sites
Sta. Ana, Cagayan Bolinao and Anda, Pangasinan Caramoan Lian, Batangas Sablayan, Occidental Mindoro Taytay, Palawan Tubbataha Camotes, Cebu Loon, Bohol Samal Bongao, Tawi-Tawi
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Ocean and Atmosphere Modeling
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Regional 1/25° HYCOM Domain 99.04°E to 130°E, 0.32°N to 25.0061°N
Grid 1/25° (~4.4 km) ; hybrid 32 layers; 875 by 639 grid cells
Boundary Condition
Open Boundary – Nested Boundary
Bathymetry ETOPO2v2
Forcing NAVy Global Environmental Model (NAVGEM 1.2)
Initial Condition Polar science center Hydrographic Climatology (PHC)
Implementation Open MPI using DOST-ASTI’s and PGC’s HPCs
Output Native *[ab] files
Temporal Span (target)
Sept 2013 - Dec 2016
Status Successfully run until May 2016, waiting for the release of NAVGEM 1.3 for 2016
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0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
Speed (m/s)
1/25° Regional HYCOM results (left) vs Shipboard ADCP data
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Zonal sections across Luzon
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Atmospheric Modeling using WRF
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Need for access to observations, data, information, analysis, predictions to manage disaster risk and resource utilization
http://meteopilipinas.gov.ph/
http://www.geoportal.gov.ph/
http://noah.dost.gov.ph/#/
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Applications of ocean model data (reef connectivity)
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Cooperative Programs ongoing and in the near future • Year of the Maritime Continent – Western
Luzon, SCS/Sulu Sea)
• PISTON (Propagation of Intraseasonal Tropical Oscillations) – western Luzon
• Kuroshio and
Mindanao Currents
• Proposed JICA-SATREPS
Ocean EWS
Gordon et al 2014
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Thank you for listening