DOI: 10.1029/2017JD027823
Scopus记录号: 2-s2.0-85046265640
论文题名: Comparison of Fire Radiative Power Estimates From VIIRS and MODIS Observations
作者: Li F. ; Zhang X. ; Kondragunta S. ; Csiszar I.
刊名: Journal of Geophysical Research: Atmospheres
ISSN: 2169897X
出版年: 2018
卷: 123, 期: 9 起始页码: 4545
结束页码: 4563
语种: 英语
英文关键词: biomass burning
; fire radiative power
; MODIS
; Suomi NPP
; VIIRS
Scopus关键词: Aqua (satellite)
; biomass burning
; comparative study
; estimation method
; forest fire
; MODIS
; observational method
; satellite data
; satellite sensor
; Suomi NPP
; Terra (satellite)
; VIIRS
; zenith angle
英文摘要: Satellite-based active fire data are a viable tool to understand the role of global fires in the biosphere and atmosphere. The Moderate Resolution Imaging Spectroradiometer (MODIS) sensors on Aqua and Terra satellites are nearing the end of their lives. The Visible Infrared Imaging Radiometer Suite (VIIRS) sensor on the Suomi National Polar-orbiting Partnership satellite and the subsequent Joint Polar Satellite System series is expected to extend the MODIS active fire record. Thus, understanding the similarities of and discrepancies between the two data sets during their overlap period is important for existing applications. This study investigated the dependence of the MODIS and VIIRS fire characterization capabilities on satellite view zenith angle and the relationship between the two sensors' fire radiative power (FRP) from individual fire clusters to fire data on continental and global scales. The results indicate that the VIIRS fire characterization capability is similar across swath, whereas MODIS is strongly dependent on view zenith angle. Statistical analyses reveal that the VIIRS and MODIS FRP relationship varies between different spatial scales. In fire clusters, MODIS and VIIRS FRP estimates are very comparable, except for large boreal forest fires where VIIRS FRP is approximately 47% smaller. At the continental scale, the contemporaneous FRP retrievals from MODIS and VIIRS are generally comparable and strongly correlated, but VIIRS FRP is slightly larger and their differences vary across seasons. At global 1° × 1° grids, the FRP difference between the two sensors is, on average, approximately 20% in fire-prone regions but varies significantly in fire-limited regions. ©2018. American Geophysical Union. All Rights Reserved. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/113906
Appears in Collections: 气候减缓与适应
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作者单位: Geospatial Sciences Center of Excellence, South Dakota State University, Brookings, SD, United States; Department of Geography, South Dakota State University, Brookings, SD, United States; NOAA/NESDIS/Center for Satellite Applications and Research, College Park, MD, United States
Recommended Citation:
Li F.,Zhang X.,Kondragunta S.,et al. Comparison of Fire Radiative Power Estimates From VIIRS and MODIS Observations[J]. Journal of Geophysical Research: Atmospheres,2018-01-01,123(9)