Introducing the Handbook of Applied Hydrology, a comprehensive guide to the principles and practices of hydrological engineering and water resource management. Published by Honde Technology Co., Ltd., a leading China-based manufacturer, supplier, and factory dedicated to providing advanced solutions in the field of hydrology. This handbook serves as a reliable and up-to-date resource for professionals, researchers, and students seeking a deeper understanding of hydrological processes, modeling techniques, and water management strategies. With contributions from esteemed experts in the industry, this handbook offers a holistic approach to address the challenges faced in water resource planning, flood forecasting, and sustainable development. Key topics covered in this handbook include precipitation and evapotranspiration modeling, hydrologic data collection and analysis, surface and groundwater modeling, floodplain management, and environmental impact assessment. It also explores innovative technologies such as remote sensing, Geographic Information Systems (GIS), and numerical modeling tools to assist in hydrologic decision-making. Whether you are an experienced hydrologist or a novice entering the field, the Handbook of Applied Hydrology provides a valuable resource to enhance your knowledge and skills. Trust the expertise of Honde Technology Co., Ltd., a trusted name in hydrological solutions, to deliver the most accurate, reliable, and advanced information in this essential handbook.