Slope gradient refers to the steepness or degree of incline of a surface, typically expressed as a percentage or an angle. It plays a crucial role in influencing water movement, erosion rates, and runoff generation. A higher slope gradient generally leads to faster surface runoff due to gravity, while gentler slopes allow for greater infiltration and less runoff. This relationship is significant when examining surface runoff processes, watershed characteristics, and the variability of the hydrologic cycle.
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