CAJ | 학술논문

以晋江山美水库集水区为研究区,探讨了SWA T 模型在东南沿海径流模拟的适用性,利用该区域的逐日水文气象数据、DEM 数据、土壤类型和土地利用等资料建立了日尺度径流模拟SW AT 模型,选用2000年-2005年为模型参数的率定期, Ens和R2均达到0.89,2006年-2010年为检验期, Ens=0.87, R2=0.88。结果表明SW AT 模型能较好反映区内日径流水文过程,在东南沿海具有良好适应性。在国内日径流模拟研究区中,模拟效率属前列,模拟效率的年际变化表现为丰水年和平水年优于枯水年。
이진강산미수고집수구위연구구,탐토료SWA T 모형재동남연해경류모의적괄용성,이용해구역적축일수문기상수거、DEM 수거、토양류형화토지이용등자료건립료일척도경류모의SW AT 모형,선용2000년-2005년위모형삼수적솔정기, Ens화R2균체도0.89,2006년-2010년위검험기, Ens=0.87, R2=0.88。결과표명SW AT 모형능교호반영구내일경류수문과정,재동남연해구유량호괄응성。재국내일경류모의연구구중,모의효솔속전렬,모의효솔적년제변화표현위봉수년화평수년우우고수년。
ThispaperdiscussedtheSWATmodelapplicationindailyrunoffsimulationinsoutheastcoastalarea.Basedonthedailyhydrological andmeteorologicaldata,DEM,soilandlandusedata,theSWAT modelofshanmeireservoircatchment onthedailytimescalewasestablished. Themodelparameterswascalibratedbasedonthedatafrom2000to2005,theEnsandR2reached0.89.Thevalidationperiodwasselectedfrom 2006to2010,andEnsandR2were0.87and0.88respectively.TheresultindicatesthatSWATmodelcanreflectthedailyrunoffhydrological processwellinthestudyarea,andthemodelhasgoodadaptabilityinsoutheastcoastalarea.Simulationefficiencybelongstotheforefrontinthe domestic areas of daily runoff simulation. Moreover, the interannual variability of simulation efficiency for high flow year and normal flow year are superior to low flow year.