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For groundwater "potentiometric surface" is a synonym of "piezometric surface" which is an imaginary surface that defines the level to which water in a confined aquifer would rise were it completely pierced with wells. [1] If the potentiometric surface lies above the ground surface, a flowing artesian well results.
A deeper well, or piezometer, measured the potentiometric surface, determined by the water level observed when submerged and sealed. The associated change in pressure between the shallow well and piezometer, and the corresponding length, usually taken as the distance between the center of the two well screens, can be applied to Darcy's Law to ...
Bojonegoro Regency (Indonesian: Kabupaten Bojonegoro, older spelling is Kabupaten Bodjanegara, Javanese: ꦑꦧꦸꦥꦠꦺꦤ꧀ꦨꦗꦤꦼꦒꦫ, romanized: Kabupatèn Bojånegårå) is a regency in East Java Province of Indonesia, about 110 km west of Surabaya and 73 km northeast of Ngawi.
Ngawi Regency (Javanese: ꦏꦧꦸꦥꦠꦺꦤ꧀ꦔꦮꦶ) is an inland regency (kabupaten) of Indonesia, on the island of Java.Ngawi is well known around the world for its Pithecanthropus erectus which was found by Eugene Dubois, a Dutchman.
The vadose zone (from the Latin word for "shallow"), also termed the unsaturated zone, is the part of Earth between the land surface and the top of the phreatic zone, the position at which the groundwater (the water in the soil's pores) is at atmospheric pressure. Hence, the vadose zone extends from the top of the ground surface to the water table.
East Nusa Tenggara (Indonesian: Nusa Tenggara Timur) is the southernmost province of Indonesia.It comprises the eastern portion of the Lesser Sunda Islands, facing the Indian Ocean in the south and the Flores Sea in the north.
Gresik Regency (older spelling: Grissee, Javanese: ꦒꦽꦱꦶꦏ꧀) is a regency within East Java Province of Indonesia.As well as a large part of the northern and western suburbs of the city of Surabaya, it includes the offshore Bawean Island, some 125 km to the north of Java and Madura.
Ngawi (Indonesian: Kecamatan Ngawi Kota, Indonesian pronunciation:) is the capital city of the Indonesian regency of Ngawi.It is also the centre of government and economy of Ngawi Regency.