Hydrological Modeling

7 important questions on Hydrological Modeling

What is a hydrologic simulation model?


A mathematical algorithm that is intended to reproduce the essential aspects of the operation of a portion of the hydrologic
cycle.

What are state variables (in a mathematical model)?

The quantities in boxes.

What are the transfer functions (in a mathematical model)?

The arrows between the boxes.
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What are the input variables / boundary conditions (in a mathematical model)?

Fluxes from outside the domain.

What is a lumped model?

The region or watershed being modeled is treated as a single entity characterized by a single set of parameters.

What is a distributed model?

There is some representation of the spatial variability in the region.

What are the four steps of hypothesis testing?


1. Construct a model that incorporates current understanding and a hypothesis.
2. Obtain relevant observational data.
3. Compare model output with observational data.
4. Refine understanding and hypothesis based on those comparisons.

The question on the page originate from the summary of the following study material:

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