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Selection and quality assessment of Landsat data for the north american forest dynamics forest history maps of the US

引用

International Journal of Digital Earth 2016年第10期9卷 963-980页

作者： Karen Schleeweis Samuel N.Goward Chengquan Huang John L.Dwyer Jennifer L.Dungan Mary A.Lindsey Andrew Michaelis Khaldoun Rishmawi Jeffery G.Masek forest Inventory and Analysis US Forest ServiceRocky Mountain Research StationOgdenUTUSA Department of Geographical Sciences University of MarylandCollege ParkMDUSA U.S.Geological Survey Earth Resources Observation and Science(EROS)Center Sioux FallsSDUSA NASA Ames Research Center Moffett FieldCAUSA Climate Program Office NOAAWashingtonDCUSA NASA Ames Research Center University Corporation Monterey BayMoffett FieldCAUSA NASA Goddard Space Flight Center GreenbeltMDUSA

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.

关键词： Landsat forest cover change time-series mapping forest disturbance north american forest dynamics nasa earth exchange

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