PROSES SALINISASI PADA MEMBRAN PASIR SEBAGAI SIMULASI DAMPAK INTRUSI AIR LAUT DAN BANJIR ROB

ABSTRACT: Salinization is a process that can disturb plantation in an agricultural activity. It occurs due to some conditions which involve the high concentration of saline water in agricultural processes, especially in coastal area, because of sea water intrution or tidal flood. The research presented the salinization process in the sand membrane used the a simulation of sea water intrution or tidal flood of coastal area.. In the first treatment, saline water was supplied continuously to the membrane with a stable unsaturated water content depicted as a simulation of sea water intrusion. On the other hand,in the second treatment, the membrane was inundated with saline water depicted the simulation of tidal flood. Two types of sand, black and white sand, were used as a membrane. Black sand and white sand had saturated water content (θs) 0.35 cm3/cm3, and 0.52 cm3/cm3, respectively. The highest to the lowest evaporation rate were flooded black sand, unflooded black sand, flooded white sand, and unflooded white sand membranes. Flooded and unflooded black sand membrane had higher temperature than flooded and unflooded white sand membrane. Then the result research showed that the most salt crystals were produced by the unflooded membrane amounted to 14.7 gram and 15 gram.
Keywords: evaporation, salinization, sand membrane, saline water
Penulis: Akfia Rizka Kumala, Budi Indra Setiawan, Satyanto K. Saptomo Rudiyanto
Kode Jurnal: jptsipildd160444

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