IMHE OpenIR  > 数字山地与遥感应用中心
Validation of MODIS global LAI products in forested terrain
Huaan Jin; Ainong Li; Jinhu Bian; Guangbin Lei; Jianbo Tan; Haoming Xia
Corresponding AuthorAinong Li
Source PublicationIEEE Geoscience and Remote Sensing Symposium. (IGARSS) ; IEEE Geoscience and Remote Sensing Symposium (IGARSS)
Conference Date2014/07/13-2014/07/18
Conference PlaceQuebec, Canada
Funding OrganizationIGARSS 2014
AbstractThe leaf area index is one of key parameters for ecosystem monitoring, global carbon circulation and climate change. At present leaf area index is routinely available from Earth Observation (EO) instruments such as MODIS. However MODIS-derived estimates of LAI require validation before they are utilised by the ecosystem modelling community. The paper presents a validation of the MODIS LAI collection 5 product over forested terrain in Xishuangbanna, southwest China, based on field measurements which are upscaled using high resolution HJ image. Results suggest that the MODIS LAI product has an accuracy with R2 of 0.35 and RMSE of 0.61 m2/m2, and overestimates values in the high LAI broadleaf forest (where LAI>3.5 m2/m2). Further validation efforts must be carried out over the study area for an assessment of the MODIS LAI in order to improve its accuracy.
KeywordLeaf Area Index Modis Hj-1 Ccd Validation Forested Terrain
Subject Area摄影测量与遥感技术
Indexed ByEI
Accession numberAccession number: 20144800241174
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Document Type会议论文
Recommended Citation
GB/T 7714
Huaan Jin,Ainong Li,Jinhu Bian,et al. Validation of MODIS global LAI products in forested terrain[C],2014:3053-3056.
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