Parameter Fisika Air

1) Warna air Pada penentuan warna sejati, bahan-bahan tersuspensi yang dapat menyebabkan kekeruhan dipisahkan terlebih dahulu. Filtrasi (penyaringan) bertujuan menghilangkan materi tersuspensi dalam air tanpa mengurangi keaslian warna air. Sentrifugasi mencegah interaksi warna dengan material penyaring. Warna sejati tidak dipengaruhi oleh kekeruhan. Warna perairan dapat dipakai (tidak selamanya) sebagai parameter apakah suatu perairan sudah tercemar atau belum. Warna perairan dapat ...

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Peranan Tanah di Bidang Pertanian

Perhatikan Gambar 1.1 berikut! Gambar ini merupakan suatu kondisi tanah yang kering, gersang, tidak ada tanaman yang dapat tumbuh, sebagai akibat pengaruh erosi. Padahal kita tahu, bahwa di tanah manusia menanam tanaman untuk memenuhi kebutuhan baik pangan, sandang maupun perumahan. Dengan kata lain bisa dikatakan bahwa tanah merupakan sumberdaya alam yang sangat penting untuk memenuhi hajat hidup manusia di permukaan ...

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Criteria Dam

a. function weir The function of the weir (weir), among others: 1) In a small discharge weir should close the river and raise the water level. 2) In a large discharge of water partially drawn and most will cross back weir, so this serves as a dam like peluap. b. Terms Construction weir 1) weirs must be stable (especially against ...

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Sediment Control Building

a. Retaining weir (check dams) Retaining dams built upstream which serves to slow down and gradually reduce the volume of lava flood. To deal with the forces that are at the required weir lava flood barrier that is strong enough. In addition to accomodating clash large rocks, the lighthouse and the wings of the weir should be made of concrete ...

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Definition Reservoir

Reservoir is a large pond where water is stored preparations for various needs. Reservoirs can be naturally occurring or man-made. Artificial reservoirs are built in a way to make the dam and the water flowed until the reservoir is full. Dam or dam construction is built to withstand the rate of water into the reservoir, lake or recreation areas. Often ...

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Understanding Embankment

Dikes have another name levee, dike, embankment, which is a sort of slanted walls either artificial or natural, is used to regulate the water level. Usually made of soil and often are constructed parallel to the river or beach body. The word dike probably derived from the Dutch word dijk, where the construction of the embankment has happened since 12.Bangunan ...

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