Hydrology – Catchment and subcatchment - Department of …
Sep 30, 2020 · The hydrological processes of a catchment or subcatchment are influenced by the physical characteristics of the catchment as well as by the broader region and subregion. …
Subcatchment FAQ - HydroCAD Stormwater Modeling Software
What is a subcatchment? A subcatchment is used to model the runoff from a given area of land. Each subcatchment generates a runoff hydrograph, that is typically routed into a downstream …
Drainage area characterization for evaluating green infrastructure ...
A subcatchment is a fundamental hydrologic component of a SWMM application and can be defined as an area that drains runoff to a storm sewer inlet, open channel, or another …
Drainage basin - Wikipedia
The process of finding a drainage boundary is referred to as watershed delineation. Finding the area and extent of a drainage basin is an important step in many areas of science and …
The runoff component of SWMM operates on a collection of subcatchment areas that receive precipitation and generate runoff and pollutant loads. The routing portion of
Study on the Improved Method of Urban Subcatchments Division …
Mar 20, 2020 · The subcatchment is the smallest hydrological response unit of the SWMM model, which directly affects the parameter settings and simulation results [4, 5]. Reasonable …
Methodology of Sub-Catchment Division Considering Land Uses …
Oct 26, 2020 · To address these issues, this study proposed a subcatchment division method that accounts for land uses and flow directions and is suitable for large areas based on introduction …
Improvement of City Rainfall Model Subcatchment Structure …
Jan 9, 2024 · Abstract. This study proposes a hierarchical approach to urban subcatchment division that incorporates topography and road network factors, as well as a subcatchment …
Urban Hydrology Modeling Using GIS - Esri
Aug 26, 2013 · Urban Hydrology Modeling Using GIS. By Victor de Loza & Nahm H. Lee, Ph.D., Santa Clara Valley Water District. Subcatchment delineation is an essential step for watershed …
Hydrological Processes | Hydrology Journal | Wiley Online Library
Jul 9, 2018 · The accurate identification of watershed and subcatchment boundaries should incorporate ancillary data such as stormwater sewer networks and retention basin drainage …