The Geospatial Water Erosion Prediction Project (GeoWEPP v10.2) was tested using data from field survey in three study site within Taganibong Watershed, Bukidnon. This field survey data such as waypoints and soil data was processed and edited through ArcGIS software to prepare for model simulation. Weather information were collected using Automatic Weather Station on an hourly basis at the study site. Climate data was created using Breakpoint Climate Data Generator (BPCDG) which allows direct use of observed storm and other daily standard climate datasets.
Model simulation was applied in three land cover to evaluate their abilities in reducing runoff and their effects on other water balance parameters. For the study area, the bamboo area with undisturbed harvesting practices has more effective way in reducing surface runoff based on the results of model simulation. On the other hand, the cultivated area (corn) produce highest surface runoff due to the exposure of soil after harvesting period.
Statistical analysis was applied to determine the effects of different land cover to the amount of water balance given the amount of rainfall in monthly basis. Magnitude of rainfall as the primary input to water balance has a huge effects in return to hydrologic processes (percolation, soil water, subsurface lateral flow, etc). This study provides a theoretical basis and technical support for land use zoning, policy implementation, soil and water conservation in upland watersheds.
Table of Contents
Background
Methodology
Study Area
Data Collection of Parameter Files
Climate Data Collection
Land Cover and Plant Parameters Data Collection
Slope Data Collection
Soil Data Collection
Data Preparation and Processing of Database File
Digital Elevation Model
Land cover and Soil Map Layers
Climate Database File
Landuse/Management Database File
Soil Database File
Slope Database File
Model Simulation Run
Statistical Analysis
Results and Discussion
GIS Layers
Water balance simulation
Statistical Analysis
Conclusion
Literature Cited
- Citar trabajo
- Forester Bryan Allan Talisay (Autor), 2015, Water Balance Estimation Of Selected Land Cover In Taganibong Watershed, Bukidnon Using GEOWEPP Model, Múnich, GRIN Verlag, https://www.grin.com/document/342254
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