globalchange  > 过去全球变化的重建
DOI: 10.1016/j.rse.2019.03.001
WOS记录号: WOS:000469152700019
论文题名:
Burned area and surface albedo products: Assessment of change consistency at global scale
作者: Mota, Bernardo; Gobron, Nadine; Cappucci, Fabrizio; Morgan, Olivier
通讯作者: Mota, Bernardo
刊名: REMOTE SENSING OF ENVIRONMENT
ISSN: 0034-4257
EISSN: 1879-0704
出版年: 2019
卷: 225, 页码:249-266
语种: 英语
英文关键词: Burned area ; Fire ; Surface albedo ; Spatio-temporal physical coherency and consistency ; Radiative forcing
WOS关键词: ESSENTIAL CLIMATE VARIABLES ; FIRE ; PERFORMANCE ; VALIDATION ; ALGORITHM ; ACCURACY ; TIME
WOS学科分类: Environmental Sciences ; Remote Sensing ; Imaging Science & Photographic Technology
WOS研究方向: Environmental Sciences & Ecology ; Remote Sensing ; Imaging Science & Photographic Technology
英文摘要:

This paper presents a framework for assessing the physical consistency between time-series of several satellite-based surface albedo and burned area products at global scale. The methodology evaluates the level of agreement of temporal change between these two Essential Climate Variables (ECVs) taking into account their uncertainties. Several configurations of surface albedo and burned area products, including the ones from MODIS Collection 6, Copernicus Global Land Service (C-GLS), Climate Change Initiative (CCI) and the GlobAlbedo, were analysed over the 2005-2011 period at 0.05 degrees x 0.05 degrees spatial resolution. The study evaluates the temporal and spatial coherence level in the ECV changes, and explores the product dependency impact on the fire-driven radiative forcings. The main findings indicate that the level of agreement between these two ECVs depends on the product combination but also on the albedo broadband. Whereas both GlobAlbedo and MODIS albedo changes are consistent both temporally and spatially when combined with any burned area product, the C-GLS albedo changes are characterised by lower levels of agreement. The results also indicate that surface albedo and burned area product changes are physically coherent for all biomes except grasslands and croplands, when using the MODIS burned area product. Using different combinations of burned area and surface albedo products, fire-induced radiative forcing estimates at the surface can differ, according to the biome, by 26% to 46%. The proposed framework identifies lack of coherency and consistency between the two ECVs. This novel approach allows us to address cross-ECV compatibility, and as such offers a valuable toolset to users.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/138040
Appears in Collections:过去全球变化的重建

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作者单位: European Commiss, Joint Res Ctr, Via E Fermi 2749, I-21027 Ispra, VA, Italy

Recommended Citation:
Mota, Bernardo,Gobron, Nadine,Cappucci, Fabrizio,et al. Burned area and surface albedo products: Assessment of change consistency at global scale[J]. REMOTE SENSING OF ENVIRONMENT,2019-01-01,225:249-266
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