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The La Mesa Watershed Reservation is a protected area that preserves the only major watershed in Metro Manila, Philippines.Also known as the Novaliches Watershed, it contains the last remaining rainforest of its size in Metro Manila surrounding the La Mesa Dam and Reservoir, the primary source of potable drinking water for 12 million residents in the Manila metropolitan area. [1]
GSSHA (Gridded Surface/Subsurface Hydrologic Analysis) [1] is a two-dimensional, physically based watershed model developed by the Engineer Research and Development Center of the United States Army Corps of Engineers. It simulates surface water and groundwater hydrology, erosion and sediment transport.
Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin. It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution.
Aerial view of Novaliches Reservoir, 1940. The La Mesa Dam was constructed in 1929 as the Novaliches Reservoir during the American colonial era in the Philippines.Sometime between 1920 and 1926, the Metropolitan Water District (a predecessor agency of the Metropolitan Waterworks and Sewerage System) decided to build a replacement for the old Wawa Dam in Montalban, Rizal.
The Angat Watershed was first gazetted on July 26, 1904, as the Angat River Reserve through Executive Order No. 33 signed by Civil Governor Luke Edward Wright.It set aside the Angat River in the municipality of Norzagaray bordering Mounts Salacot, Balugan and Sulip in the Sierra Madre range and including the Bulagao and Bitbit creeks for purposes of the development of water power from the ...
Watershed management is the study of the relevant characteristics of a watershed aimed at the sustainable distribution of its resources and the process of creating and implementing plans, programs and projects to sustain and enhance watershed functions that affect the plant, animal, and human communities within the watershed boundary. [1]
Proclamation No. 561 established the reserve's boundaries and protecting the area for watershed purposes on May 21, 1969. [3] Its management was handed over to the Bureau of Forestry of the DENR, the Reforestation Administration, the National Waterworks and Sewerage Authority (NAWASA, now the MWSS), the National Irrigation Administration (NIA), Bureau of Public Works (now DPWH), Bureau of ...
Lake Sebu (Tboli: Lanaw Sbù, [1] /sbuʔ/; Hiligaynon: Linaw sg Sëbu, /səˈbuʔ/; Filipino: Lawa ng Sëbu) is a natural lake located in the municipality of Lake Sebu, South Cotabato within the Alah Valley region. [2] The Philippine government has recognized it as one of the country's most important watersheds. [3]