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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | García García, Mónica | - |
dc.contributor.author | Ustin, S. L. | - |
dc.date.accessioned | 2008-11-20T15:45:24Z | - |
dc.date.available | 2008-11-20T15:45:24Z | - |
dc.date.issued | 2001-07 | - |
dc.identifier.citation | IEEE Transactions on GeoScience and Remote Sensing 39(7):1480-1490 (2001) | en_US |
dc.identifier.issn | 0196-2892 | - |
dc.identifier.uri | http://hdl.handle.net/10261/8726 | - |
dc.description | 11 pages, 10 figures. | en_US |
dc.description.abstract | Ecosystem responses to interannual weather variability are large and superimposed over any long-term directional climatic responses making it difficult to assign causal relationships to vegetation change. Better understanding of ecosystem responses to interannual climatic variability is crucial to predicting long-term functioning and stability. Hyperspectral data have the potential to detect ecosystem responses that are undetected by broadband sensors and can be used to scale to coarser resolution global mapping sensors, e.g., advanced very high resolution radiometer (AVHRR) and MODIS. This research focused on detecting vegetation responses to interannual climate using the airborne visible-infrared imaging spectrometer (AVIRIS) data over a natural savanna in the Central Coast Range in California. Results of linear spectral mixture analysis and assessment of the model errors were compared for two AVIRIS images acquired in spring of a dry and a wet year. The results show that mean unmixed fractions for these vegetation types were not significantly different between years due to the high spatial variability within the landscape. However, significant community differences were found between years on a pixel basis, underlying the importance of site-specific analysis. Multitemporal hyperspectral coverage is necessary to understand vegetation dynamics. | en_US |
dc.description.sponsorship | This work was supported in part by Foundation Barrie de la Maza, Spain, and NASA EOS Program Grant NAS5-31359. | en_US |
dc.format.extent | 382772 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | Institute of Electrical and Electronics Engineers | en_US |
dc.rights | openAccess | en_US |
dc.subject | Airborne visible-infrared imaging spectrometer (AVIRIS) | en_US |
dc.subject | Endmembers | en_US |
dc.subject | Linear spectral unmixing | en_US |
dc.subject | Mediterranean grassland | en_US |
dc.subject | Rainfall variability | en_US |
dc.subject | Savanna | en_US |
dc.title | Detection of interannual vegetation responses to climatic variability using AVIRIS data in a coastal savanna in California | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1109/36.934079 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1109/36.934079 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.languageiso639-1 | en | - |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
Aparece en las colecciones: | (EEZA) Artículos |
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Detection_Interannual_Vegetation.pdf | 373,8 kB | Adobe PDF | Visualizar/Abrir |
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