สืบค้นงานวิจัย
Assessing Water Availability in PoKo Catchment using SWAT model
Vo Ngoc Quynh Tram - มหาวิทยาลัยขอนแก่น
ชื่อเรื่อง (EN): Assessing Water Availability in PoKo Catchment using SWAT model
ผู้แต่ง / หัวหน้าโครงการ (EN): Vo Ngoc Quynh Tram
หน่วยงานสังกัดผู้แต่ง:
  1. Nong Lam University
บทคัดย่อ (EN): To utilize water resources in a sustainable manner, it is necessary to understand the quantity and quality in space and time. PoKo Catchment, a tributary of Se San watershed, located in the Central Highland Region of Viet Nam with an area of about 3,210 sq. km, accounted for more than 33% of the total area of Kon Tum province. The PoKo river and its tributaries play a very important role to develop socio-economic as well as environment aspects in Kon Tum province. This study was initiated to evaluate the performance and applicability of the physically based Soil and Water Assessment Tool (SWAT) model in analyzing the influence of hydrologic parameters on the streamflow variability and estimation of water balance components at the outlet of PoKo watershed. The model was first calibrated for the period from 2000 to 2005 and then validated for the period from 2006 to 2011 using the observed stream flow data from Dak Mot stream gauge within the watershed. The determination coefficient of linear regression of the observed and simulated monthly stream flows (R2 ) and Nash-Sutcliffe Index (NSI) was used to evaluate model performance. The calibrated SWAT model performed well for simulation of monthly streamflow. Statistical model performance measures, R2 of 0.64, NSI of 0.63 for calibration and 0.78 and 0.72, respectively for validation, indicated good performance of the model simulation on monthly time step. Both calibration and validation results represented fluctuations of discharge relatively well, although some peaks were overestimated by SWAT. Mean monthly and annual water yield simulated with the calibrated model were found to be 109.87 mm and 1,317.63 mm, respectively. Overall, the model demonstrated good performance in capturing the patterns and trend of the observed flow series, which confirmed the appropriateness of the model for future scenario simulation. Therefore, SWAT model can be taken as a potential tool for simulation of the hydrology of unguaged watershed in mountainous areas, which behave hydro-meteorologically similar with PoKo watershed. Future studies on PoKo watershed modeling should address the issues related to water quality and evaluate best management practices.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): th
จำนวนหน้า: 12
เอกสารแนบ: https://ag2.kku.ac.th/kaj/PDF.cfm?filename=09 65_57.pdf&id=1422&keeptrack=331
เผยแพร่โดย: มหาวิทยาลัยขอนแก่น
คำสำคัญ (EN): SWAT model
หากไม่พบเอกสารฉบับเต็ม (Full Text) โปรดติดต่อหน่วยงานเจ้าของข้อมูล

การอ้างอิง

Vo Ngoc Quynh Tram. "Assessing Water Availability in PoKo Catchment using SWAT model". มหาวิทยาลัยขอนแก่น. 2557

Vo Ngoc Quynh Tram. "Assessing Water Availability in PoKo Catchment using SWAT model". มหาวิทยาลัยขอนแก่น. 2557. Print.



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Assessing Water Availability in PoKo Catchment using SWAT model
Vo Ngoc Quynh Tram
มหาวิทยาลัยขอนแก่น
2557
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