Selection and quality assessment of Landsat data for the North American forest dynamics forest history maps of the US
作者机构:Forest Inventory and AnalysisUS Forest ServiceRocky Mountain Research StationOgdenUTUSA Department of Geographical SciencesUniversity of MarylandCollege ParkMDUSA U.S.Geological Survey Earth Resources Observation and Science(EROS)CenterSioux FallsSDUSA NASA Ames Research CenterMoffett FieldCAUSA Climate Program OfficeNOAAWashingtonDCUSA NASA Ames Research CenterUniversity Corporation Monterey BayMoffett FieldCAUSA NASA Goddard Space Flight CenterGreenbeltMDUSA
出 版 物:《International Journal of Digital Earth》 (国际数字地球学报(英文))
年 卷 期:2016年第9卷第10期
页 面:963-980页
核心收录:
学科分类:08[工学] 0812[工学-计算机科学与技术(可授工学、理学学位)]
基 金:contributes to the North American Carbon Program,with grant support from NASA’s Carbon Cycle Science and Applied Sciences Programs[NNX11AJ78G] Previous NASA NACP grants[NNG05GE55G] [NNX08AI26G]were critical in developing the foundations of the current NISPS
主 题:Landsat forest cover change time-series mapping forest disturbance North American forest dynamics nasa earth exchange
摘 要:Using the NASA Earth Exchange platform,the North American Forest Dynamics(NAFD)project mapped forest history wall-to-wall,annually for the contiguous US(1986–2010)using the Vegetation Change Tracker *** with any effort to identify real changes in remotely sensed time-series,data gaps,shifts in seasonality,misregistration,inconsistent radiometry and cloud contamination can be sources of *** discuss the NAFD image selection and processing stream(NISPS)that was designed to minimize these sources of *** NISPS image quality assessments highlighted issues with the Landsat archive and metadata including inadequate georegistration,unreliability of the pre-2009 L5 cloud cover assessments algorithm,missing growing-season imagery and paucity of clear *** maps of Landsat 5–7 image quantities and qualities are presented that offer novel perspectives on the growing-season archive considered for this *** 150,000+Landsat images were considered for the NAFD ***,one high quality cloud-free image in each year or a total of 12,152 images would be ***,to accommodate data gaps and cloud/shadow contamination 23,338 images were *** 220 specific path-row image years no acceptable images were found resulting in data gaps in the annual national map products.