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AYO PERBANYAK KUNJUNGI BLOG INI TRIMAKASIH

5 Mar 2012

STUDY OF CONSERVATION FOR POLLUTION CONTROL

TUDY OF  CONSERVATION  FOR POLLUTION CONTROL WATER QUALITY (Case Studies in Reservoir Selorejo, Malang, East Java, Indonesia)
ABSTRACT
The Efect of fertilizer in land agriculture has become decreasing water quality that cousing Eutrophication. Analysis Method that used is analysis model with AVSWAT 2000,
at characteristic of study area are : 237.312 km2 catchment area of Selorejo Dam, simulation devide in 62 sub area cacthment, including : Forest 0.395 %, garden 0.128 %, Rice Field 0.214 %, dry land 0.154 %, Urban 0.088 %, lake  0.021 %. The result show that the power river concerning to load polutant is calss III. From simulation model 2003-2005 has become decreasing water quality, 18.5 % dan 23.5 %, total N (Mesotrophic)and Total P (Eutrophic.
The model completed by Wetland construction can reduce up to 8% to 73 % at stream and 8% to 63 % flowing in lake of selorejo., water quality has become increase from class II/III to class I water qualyty standart forms. The deviation of Model AVSWAT 2000, concerning to discarge model and measurement, R2 value is 0.9303, significance level ≤10, concerning to load polutant, R2 value is 0.907, significance level ≤10. The result of models are nonhomogeneous form time by time but homogeneous form space model and measurement.
Keywords : power river, Mesotrophic, Eutrophic
 

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