Estimasi Konsentrasi Klorofil-a menggunakan Refined Neural Network (Studi Kasus: Perairan Danau Kasumigaura) Muhammad Aldila Syariz Lino Garda Denaro Salwa Nabilah Dewinta Heriza Lalu Muhamad Jaelani Chao-Hung Lin Keywords: Neural network, network refinement, IDW, MERIS Abstract Estimation of Chlorophyll-a Concentration using Refined Neural Network (Case Study: Lake Kasumigaura) Chlorophyll-a has been became one of clinical in-water constituents…