水资源与水工程学报
水資源與水工程學報
수자원여수공정학보
JOURNAL OF WATER RESOURCES AND WATER ENGINEERING
2014年
6期
18-23
,共6页
齐亨达%陆建忠%陈晓玲%张鹏%陈莉琼
齊亨達%陸建忠%陳曉玲%張鵬%陳莉瓊
제형체%륙건충%진효령%장붕%진리경
EFDC水动力模型%水位%淹水范围%遥感%鄱阳湖
EFDC水動力模型%水位%淹水範圍%遙感%鄱暘湖
EFDC수동력모형%수위%엄수범위%요감%파양호
EFDC hydrodynamic model%water elevation%inundation area%remote sensing%Poyang Lake
应用湖泊水动力模型EFDC模拟了鄱阳湖2009-2011年的水动力过程。结果表明:模拟日平均水位及流量与水文站观测结果基本一致,相关系数达到0.94以上。针对现场观测数据单一匮乏的问题,借助遥感手段较为全面地验证分析了模型的实用性。通过雷达高度计ENVISAT RA-2和MODIS影像获取的水位、水体面积及淹水范围与模拟结果相关性较好,相关系数均达到0.83以上,证明该模型能够有效地揭示鄱阳湖高动态变化的水动力特征。此外,遥感手段也为模型的多角度长期验证提供了技术依据。
應用湖泊水動力模型EFDC模擬瞭鄱暘湖2009-2011年的水動力過程。結果錶明:模擬日平均水位及流量與水文站觀測結果基本一緻,相關繫數達到0.94以上。針對現場觀測數據單一匱乏的問題,藉助遙感手段較為全麵地驗證分析瞭模型的實用性。通過雷達高度計ENVISAT RA-2和MODIS影像穫取的水位、水體麵積及淹水範圍與模擬結果相關性較好,相關繫數均達到0.83以上,證明該模型能夠有效地揭示鄱暘湖高動態變化的水動力特徵。此外,遙感手段也為模型的多角度長期驗證提供瞭技術依據。
응용호박수동력모형EFDC모의료파양호2009-2011년적수동력과정。결과표명:모의일평균수위급류량여수문참관측결과기본일치,상관계수체도0.94이상。침대현장관측수거단일궤핍적문제,차조요감수단교위전면지험증분석료모형적실용성。통과뢰체고도계ENVISAT RA-2화MODIS영상획취적수위、수체면적급엄수범위여모의결과상관성교호,상관계수균체도0.83이상,증명해모형능구유효지게시파양호고동태변화적수동력특정。차외,요감수단야위모형적다각도장기험증제공료기술의거。
Hydrodynamic process in Poyang Lake from 2009 to 2011 was simulated by using the lake hy-drodynamic model , EFDC.Results showed that simulated daily average water elevation and discharges consisted with hydrologic station observations and the correlation coefficients are all above 0.94.Remote sensing data were employed to validate and analyze the model practicability more comprehensively in or -der to solve the problem of data deficiencies .The water surface height and inundation area measured by Radar altimeter ENVISAT RA-2 and MODIS images correlated with numerical simulation resultswith a correlation coefficient higher than 0 .83 , which indicated that thefrequently changingwater dynamic char-acteristics in Poyang Lakecould be effectively revealed by using EFDC model .Furthermore , remote sens-ing techniquesalso providedtheory for long -termvalidation from different perspectives .