Summarize hydrological patterns observed, relationships between physical factors and water movement and impact of human activities.

The Kofiando River tributary exhibits a high discharge rate of $62.16 \text{ m}^3\text{/s}$, despite a low flow velocity of $0.04 \text{ m/s}$. This high discharge is attributed to the tributary's significant width (259 m) and depth (6 m). In terms of infiltration, vegetated soil shows the fastest water absorption, followed by bare soil with a moderate rate, while wet soil has the slowest infiltration due to saturation.

• Slope: The gentle slope of the river, along with obstructions, directly contributes to the low flow velocity.
• Vegetation: Areas with vegetation (like grass) significantly enhance water infiltration by creating root channels and soil spaces, thus reducing surface runoff. Conversely, sparse vegetation on river banks leads to loose soil and increased erosion.
• Soil Type: The physical structure of the soil dictates infiltration. Vegetated soil is porous, allowing fast infiltration. Bare soil is denser, resulting in moderate infiltration. Wet soil is saturated, preventing further water movement and leading to very slow infiltration.

Human activities have a detrimental impact on the hydrological system:

• Construction: Building houses and roads compacts the soil, creating impermeable surfaces. This drastically reduces infiltration and increases surface runoff, elevating flood risk.
• Pollution/Dumping: The disposal of trash blocks soil pores, further decreasing infiltration and contributing to increased runoff.
• Bank Disturbance: Human activities near the river banks, combined with sparse vegetation, lead to soil erosion. These combined impacts collectively diminish the land's natural capacity to absorb water, thereby increasing the likelihood of flooding.