This article presents a raster-based Geographic Information Systems (GIS) tool called CN-Idris that outputs runoff estimates from land use/land cover and hydrologic soil group maps based on the Natural Resources Conservation Service Curve Number method. The tool enables the user to select among three antecedent moisture conditions and two values of the initial abstraction (Ia) parameter, and it...

Permeable Pavement (PP) models are valuable tools for studying the implementation of PPs in urban environments. However, runoff simulated by traditional such as Curve Number (CN) is different from that created with PP models, infiltration computed differently. many investigations compare both to extract broader conclusions without considering how two related. Hence, this research explores relat...

Identifying phosphorus (P) source areas and transport pathways is a key step in decreasing P loading to natural water systems. This study compared the effects of two modeled runoff generation processes – saturation excess and infiltration excess – on total phosphorus (TP) and soluble reactive phosphorus (SRP) concentrations in 10 catchment streams of a Catskill mountain watershed in southeaster...

The present study was conducted in Baitarani basin up to Anandapur gauging station of Odisha covering an area 8603.7 km2. Pre-processing from digital elevation model (DEM) done using HEC-Geo-HMS extension and spatial analyst tool ArcGIS. These pre-processed files were then imported HEC-HMS for simulating runoff. In this study, runoff simulation two methods, viz., composite distributed curve num...

The Neotethyan subduction and collision with the Asian, Indian, Australian plates is evidenced by a giant Andean-type arc system remarkable igneous belt along southwestern Eurasian margin. However, southward extent, cause, of poorly understood. Here, zircon U-Pb dating whole-rock geochemical study two groups Eocene (50−48 Ma) mafic intrusions from Tangse, North Sumatra, helps to unravel story. ...

introduction flood is an inevitable natural phenomenon occurring from time to time in all rivers and natural drainage systems, which not only damages the lives, natural resources and environment, but also causes the loss of economy and health. so estimation and prediction flood hazard is very important spatially in the watersheds without measurement station. there are many models in the water a...

The CN B 2 -X 2 + molecular emission spectrum is used to measure both the vibrational and rotational temperatures in atmospheric pressure arc jet discharges. The vibrational and rotational temperature effects on the synthetic diatomic molecular spectra were investigated from the v ,v = 0,0 band to the 5,5 band. The temperatures obtained from the synthetic spectra compared with the experimental ...

The NRCS-CN method, integrated with GIS and remote sensing, can be used for estimating curve numbers (CN) surface runoff in geohydrological systems. study area is divided into 63 sub-basins, the land use cover (LULC)-hydrologic soil group (HSG) complex identified each sub-basin. CN values three antecedent moisture (AMC) conditions are calculated corrected slope variations. depth determined usin...