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  2. Agno River - Wikipedia

    en.wikipedia.org/wiki/Agno_River

    The Agno River, also known as the Pangasinan River, is a river on the island of Luzon in the Philippines. Traversing the provinces of Benguet , Pangasinan , and Tarlac , it is one of the largest river systems in the country, with a drainage area of 5,952 square kilometres (2,298 sq mi).

  3. San Roque Dam (Philippines) - Wikipedia

    en.wikipedia.org/wiki/San_Roque_Dam_(Philippines)

    Agno River is the third largest river in the Philippines with a total length of 221 kilometers and a drainage basin at the Project site of 1,225 square kilometers. The river originates in the Cordillera Mountains, initially flows from north to south, divides into several channels in the flat central plain of Luzon and meanders westerly through ...

  4. List of rivers of the Philippines - Wikipedia

    en.wikipedia.org/wiki/List_of_rivers_of_the...

    18 Major River Basins in the Philippines. Rivers in the Philippines are grouped into 18 major river basins. Of these, the Cagayan, the country's longest river, [1] has the largest drainage basin, followed by the Mindanao, the Agusan, and the Pampanga. [2]

  5. Watershed delineation - Wikipedia

    en.wikipedia.org/wiki/Watershed_delineation

    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.

  6. Lower Agno Watershed Forest Reserve - Wikipedia

    en.wikipedia.org/wiki/Lower_Agno_Watershed...

    The reserve is one of six protected areas located in the 623,318.69-hectare (1,540,254.0-acre) Agno River Basin, the third largest river system in Luzon and the Philippines' fifth largest. [ 14 ] [ 16 ] It is a sub-catchment of the Agno River which drains into Lingayen Gulf from its headwaters at Mount Data further north.

  7. Water supply and sanitation in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    Agricultural water management in the Philippines is primarily focused on irrigation. The country has 3.126 million hectares of irrigable land, 50% (1.567 million hectares) of which already has irrigation facilities. 50% of irrigated areas are developed and operated by the government through the National Irrigation System (NIS). 36% is developed by the government and operated by irrigators ...

  8. Bued River - Wikipedia

    en.wikipedia.org/wiki/Bued_River

    The Bued River is a river in the island of Luzon in the Philippines with a total length of 80 km (50 mi). It covers primarily the provinces of Benguet and Pangasinan, and a few parts of La Union. The river originates from the city of Baguio and joins with the Angalacan River in the municipality of Mangaldan, Pangasinan to form the Cayanga River.

  9. Hydrological model - Wikipedia

    en.wikipedia.org/wiki/Hydrological_model

    Example 1. The linear-reservoir model (or Nash model) is widely used for rainfall-runoff analysis. The model uses a cascade of linear reservoirs along with a constant first-order storage coefficient, K, to predict the outflow from each reservoir (which is then used as the input to the next in the series).