Analisis Faktor Penyebab Erosi dan Sedimentasi di Waduk Gajah Mungkur serta Solusi – solusi Pencegahannya (Analysis the Cause Factor of Erosion and Sedimentation in Gajah Mungkur Reservoir with its Prohibition Solutions)

Abstrak
Erosi dan sedimentasi telah menyebabkan pendangkalan di Waduk Gajah Mungkur. Faktor penyebab erosi dan sedimentasi di waduk ini antara lain faktor iklim, tanah, topografi, vegetasi/tutupan hutan, serta aktivitas masyarakat sekitar sub-DAS yang mengalir ke waduk. Solusi - solusi pencegahan yang dapat dilakukan antara lain; instalasi stasiun klimatologi, penerapan sistem pertanian berbasis kearifan lokal, pembuatan terasering dan cek dam, rehabilitasi hutan dan revitalisasi sabuk hijau Waduk Gajah Mungkur.
Kata kunci: erosi, sedimentasi



Abstract
Erosion and sedimentation has been caused shallowness in Gajah Mungkur Reservoir. The factors that cause erosion and sedimentation in this reservoir are climate factor, soils, topography, vegetation/forest cover, and society activity around sub-catchment areas that flow to the reservoir. The prohibition solutions are; climate station installation, application of agriculture system based local wise, build check dam and “terasering”, forest rehabilitation and green belt revitalization of Gajah Mungkur Reservoir.
Key words: erosion, sedimentation