RAINFALL-RUNOFF ANALYSIS AND MODELLING

RAINFALL-RUNOFF ANALYSIS and MODELLING Dr. Lohani, Scientist G, National Institute of Hydrology, Roorkee RAINFALL-RUNOFF ANALYSIS AND MODELLING Dr. Anil Kumar Lohani Scientist G National Institute of Hydrology Roorkee-247667 Email: RAINFALL-RUNOFF ANALYSIS and MODELLING Dr. Lohani, Scientist G, National Institute of Hydrology, Roorkee Contents INTRODUCTION .. 3 GENERAL DATA REQUIREMENT .. 3 Watershed Characteristics .. 3 Rainfall Characteristics .. 3 Infiltration and other Loss Characteristics .. 3 Streamflow Characteristics .. 4 CLASSIFICATION OF DETERMINISTIC MODELS .. 4 Deterministic Models .. 5 Black box or empirical models .. 5 Lumped conceptual models.

Rainfall-Runoff Analysis and Modelling Dr. A.K. Lohani, Scientist G, National Institute of Hydrology, Roorkee calibration, the physical link is lost and the prediction then relies on mathematical technique alone. Given the inherent linearity of many blackbox models, which contrasts with the -

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  Modelling, Mathematical

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