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The Philippines' National Mapping and Resource Information Authority (Filipino: Pambansang Pangasiwaan sa Pagmamapa at Dulugang Kaalaman), abbreviated as NAMRIA, is an agency of the Philippine government under the Department of Environment and Natural Resources responsible for providing the public with mapmaking services and acting as the central mapping agency, depository, and distribution ...
The ocean currents surrounding the Philippines: (1) Mindanao Current, (2) Mindanao Undercurrent (dotted to indicate that it is deeper than the other currents shown), (3) Mindanao Eddy, (4) North Equatorial Current, (5) Kuroshio current, (6) the beginnings and feeder currents of the Kuroshio (gradated to indicate that it strengthens to the North), (7) Indonesian Throughflow, and (8) North ...
The Philippine Atmospheric, Geophysical and Astronomical Services Administration (Filipino: Pangasiwaan ng Pilipinas sa Serbisyong Atmosperiko, Heopisiko at Astronomiko, [4] abbreviated as PAGASA, which means "hope" as in the Tagalog word pag-asa) is the National Meteorological and Hydrological Services (NMHS) agency of the Philippines mandated to provide protection against natural calamities ...
The water stops rising, reaching a local maximum called high tide. Sea level falls over several hours, revealing the intertidal zone; ebb tide. Oscillating currents produced by tides are known as tidal streams or tidal currents. The moment that the tidal current ceases is called slack water or slack tide. The tide then reverses direction and is ...
Two different measures are used for storm tide and storm surge measurements. Storm tide is measured using a geodetic vertical datum (NGVD 29 or NAVD 88). Since storm surge is defined as the rise of water beyond what would be expected by the normal movement caused by tides, storm surge is measured using tidal predictions, with the assumption ...
The Metropolitan Waterworks and Sewerage System [1] (Tagalog: Pangasiwaan ng Tubig at Alkantarilya sa Kalakhang Maynila), [5] formerly known as the National Waterworks and Sewerage System Authority (NAWASA), is the government agency that is in charge of water privatization in Metro Manila and nearby provinces of Cavite and Rizal in the Philippines.
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Variables including wave height, tides, sea level variations, sea surface temperature, and ocean currents are measured to provide an accurate picture of current conditions. The center is also responsible for informing the public of tide times, and cooperates with local tourism bureaux and Fishermen's Associations to erect electronic billboards ...