In case study 3, answer the following questions:

a. What are the initial inputs for a distributed hydrological model like GSSHA? There are two ways to obtain this information, via the model itself and via the web search. Search and try to obtain that information. Provide information about the data those sites offer.

b. Provide brief explanations about GSSHA capabilities and different environment in which it operates. Also, bring about a more detailed explanation about its outputs, their usage, and how can it be utilized in research.

c. While modeling, users face different challenges. Provide information about the following items:
– Computed flow directions and accumulation – Defining smooth stream – Job control – Defining land use and soil data – Hydrologic computation