气候变化领域集成服务门户(CCPortal): Thematic accuracy assessment of the NLCD 2016 land cover for the conterminous United States

CCPortal

DOI	10.1016/j.rse.2021.112357
	Thematic accuracy assessment of the NLCD 2016 land cover for the conterminous United States
	Wickham J.; Stehman S.V.; Sorenson D.G.; Gass L.; Dewitz J.A.
发表日期	2021
ISSN	00344257
卷号	257
英文摘要	The National Land Cover Database (NLCD) is an operational land cover monitoring program providing updated land cover and related information for the United States at five-year intervals. NLCD2016 extends temporal coverage to 15 years (2001–2016). We collected land cover reference data for the 2011 and 2016 nominal dates to report land cover accuracy for the NLCD2016 database 2011 and 2016 land cover components at Level II and Level I and for Level I 2011–2016 land cover change using two definitions of agreement. For both the 2011 and 2016 land cover components, single-date Level II overall accuracies (OA) were 72% (standard error of ±0.9%) when agreement was defined as match between the map label and primary reference label only and 86% (± 0.7%) when agreement also included the alternate reference label. The corresponding level I OA for both dates were 79% (± 0.9%) and 91% (± 1.0%). The 2011–2016 user's and producer's accuracies (UA and PA) were ~ 75% for forest loss and PA for water loss, grassland loss, and grass gain were > 70% when agreement included a match between the map label and either the primary or alternate reference label. Depending on agreement definition and level of the classification hierarchy, OA for the 2011 land cover component of the NLCD2016 database was about 4% to 7% higher than OA for the 2011 land cover component of the NLCD2011 database, suggesting that the changes in mapping methodologies initiated for production of the NLCD2016 database have led to improved product quality. Additionally, we used the reference dataset collected for assessment of the NLCD2011 database to assess the 2001 and 2006 land cover components of the NLCD2016 database. OA for the 2001 and 2006 land cover components was 1% - 5% lower than OA for the 2011 and 2016 land cover components of the NLCD2016 database. Higher OA for 2011 and 2016 land cover components of the NLCD2016 database relative to OA for its 2001 and 2006 components may be attributable to differences in reference data quality. © 2021
英文关键词	Accuracy assessment; Cognitive psychology; Forest disturbance; Land cover; Land cover change; NLCD; Reference data quality; Stratified sampling; Urbanization
语种	英语
scopus关键词	Database systems; Classification hierarchies; Land-cover change; Mapping methodology; Monitoring programs; Overall accuracies; Standard errors; Temporal coverage; Thematic accuracies; Classification (of information); accuracy assessment; grass; grassland; land cover; spatiotemporal analysis; United States
来源期刊	Remote Sensing of Environment
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/178918
作者单位	Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC 27111, United States; College of Environmental Science and Forestry, State University of New York, Syracuse, NY 13210, United States; U.S. Geological Survey, 909 1st Ave., Seattle, WA 98104, United States; U.S. Geological Survey, 520 N. Park Ave., Tucson, AZ 85179, United States; Earth Resources and Observation Science (EROS) Center, U.S. Geological Survey, 47914 252nd St., Sioux Falls, SD 57198, United States
推荐引用方式 GB/T 7714	Wickham J.,Stehman S.V.,Sorenson D.G.,et al. Thematic accuracy assessment of the NLCD 2016 land cover for the conterminous United States[J],2021,257.
APA	Wickham J.,Stehman S.V.,Sorenson D.G.,Gass L.,&Dewitz J.A..(2021).Thematic accuracy assessment of the NLCD 2016 land cover for the conterminous United States.Remote Sensing of Environment,257.
MLA	Wickham J.,et al."Thematic accuracy assessment of the NLCD 2016 land cover for the conterminous United States".Remote Sensing of Environment 257(2021).