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Evaluation of Evapotranspiration Estimation using Korea Land Data Assimilation System (2010)
| Content Provider | CiteSeerX |
|---|---|
| Author | Lim, Yoon-Jin Byun, Kun-Young Lee, Tae-Young Kim, Joon |
| Abstract | In this study, we evaluated the performance of Korea Land Data Assimilation System (KLDAS) for the estimation of evapotranspiration (ET) by comparing the modeled against the observed ET at Gwangneung deciduous forest of KoFlux site (GDK) from 2006 to 2008. Although the magnitudes of ET by KLDAS overestimated the observed ET, the seasonal patterns of KLDAS ET were comparable with the correlation coefficient of 0.78. The difference between the KLDAS ET and the observed ET was larger in spring and summer due to rapid plant growth and frequent rainfalls with high cloud cover, respectively. Compared to the ET estimated by NASA Global Land Data Assimilation System (GLDAS) with 0.25 o and 1 o resolution, the ET by KLDAS with 10 km resolution showed better agreement with the observation at the GDK site. Albeit further improvement is necessary, our results suggest that KLADS can be used as a practical tool to map ET and to examine its spatiotemporal |
| File Format | |
| Publisher Date | 2010-01-01 |
| Access Restriction | Open |
| Content Type | Text |