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As Singapore's only remaining patch of primary freshwater swamp forest, the good management of the Nee Soon catchment is of utmost importance if a large proportion of the flora and fauna in Singapore is to be conserved. An integrated eco-hydrological model is developed for the area, with the objectives to numerically model the hydrological variations, to assess the possible impacts of future climate change, and to facilitate future ecohydrological management. The numerical model considers the hydrological processes in a holistic manner, including rainfall-runoff, evapotranspiration, the interaction between surface water and groundwater, etc. The numerical model makes use of a combination of field survey data and alternative remote sensing data. With climate projection inputs from the Regional Climate Model (RCM), the numerical model is applied to run future scenarios to assess the climate change impact. A few management strategies are considered if favourable hydrological conditions are to be maintained for conserving the local ecosystem.

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