Storm and Flood Prediction and Progress in Parameter Synthesis Research in Small and Medium-Sized Watersheds

• Published in: Redai dili Vol. 43; no. 11; pp. 2119 - 2134
• Main Authors: Zhao Lingling, Liu Changming, Wang Ziyin, Zhang Xinhui, Yang Xing
• Format: Journal Article
• Language: Chinese
• Published: Editorial Committee of Tropical Geography 01.11.2023
• Subjects: floods; parameter synthesis; rainstorms; simulation forecast; small- and medium-sized watersheds; watershed runoff caculation
• ISSN: 1001-5221
• DOI: 10.13284/j.cnki.rddl.003763

The prediction of rainstorms and floods in small and medium-sized watersheds, as well as the synthesis of related parameters, plays a pivotal role in preventing flood disasters. Environmental changes have led to an increase in hydrological extremes such as rainstorms and floods, presenting unprecedented challenges for small and medium-sized river basins. In this review, we systematically categorize, and summarize the processes involved in predicting rainstorms and floods in these watersheds, along with advancements in correlated parameter synthesis research. Furthermore, we analyze and discuss the most commonly employed runoff and confluence estimation methods and their associated parameters in practical applications, as well as their limitations. First, we establish the concept of small- and medium-sized watersheds across various academic disciplines. From a hydrological perspective, these watersheds typically exhibit slope confluence and have relatively small catchment areas. In terms of eco-hydrology, the