Parameter uncertainty refers to the lack of precise knowledge about the values of the parameters used in hydrological models, which can significantly affect model outputs and predictions. This uncertainty arises from various sources, including measurement errors, model structure assumptions, and inherent variability in the hydrological processes being modeled. Understanding and addressing parameter uncertainty is crucial for improving the reliability of hydrological modeling results, especially when it comes to calibration techniques, sensitivity analysis, and assessing overall model uncertainty.
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