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19 January 2009

Regional Weather/Climate Models and Weather Modification in Indonesia

Regional Weather/Climate Models and Weather Modification in Indonesia
and Terrestrial Effect of Solar Activity

The Houw Liong2), Plato M.Siregar1), R.Gernowo1), Heru Widodo3)
1) Science Atmosphere Division, Faculty of Earth Science and Technology, ITB
2) Physics of Complex System Division, Faculty of Mathematics and Natural Sciences, ITB
3) UPT Hujan Buatan (Weather Modification Unit), BPPT

Abstract
The current study presents the development of forecasting using numerical weather models ( MM5 and WRF) , and numerical climate models (GCM and DARLAM) and adaptive neuro-fuzzy inference system (ANFIS) for forecasting extreme weather/climate in Indonesia based on sunspot number time series .
Case study will be applied in Jabodetabek region and the impact to severe floods of Ciliwung river . The dynamics of Ciliwung river can be studied by system dynamics.
We study also weather modification to reduce negative impacts of extreme weather. Furthermore we discuss possibility of using ground based generator to fill ground water in transition seasons and to reduce severe floods.
We will discuss also the terrestrial effect of solar activity on climate, power system and communication system when maximum solar activity occurs.
Keywords : numerical weather/climate model, ANFIS, weather modification, ground based generator, terrestrial effect of solar activity.

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