{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,3]],"date-time":"2026-03-03T15:47:41Z","timestamp":1772552861062,"version":"3.50.1"},"reference-count":33,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2018,7,27]],"date-time":"2018-07-27T00:00:00Z","timestamp":1532649600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>The Operational Remote Sensing (ORS) program leverages Landsat and MODIS data to detect forest disturbances across the conterminous United States (CONUS). The ORS program was initiated in 2014 as a collaboration between the US Department of Agriculture Forest Service Geospatial Technology and Applications Center (GTAC) and the Forest Health Assessment and Applied Sciences Team (FHAAST). The goal of the ORS program is to supplement the Insect and Disease Survey (IDS) and MODIS Real-Time Forest Disturbance (RTFD) programs with imagery-derived forest disturbance data that can be used to augment traditional IDS data. We developed three algorithms and produced ORS forest change products using both Landsat and MODIS data. These were assessed over Southern New England and the Rio Grande National Forest. Reference data were acquired using TimeSync to conduct an independent accuracy assessment of IDS, RTFD, and ORS products. Overall accuracy for all products ranged from 71.63% to 92.55% in the Southern New England study area and 63.48% to 79.13% in the Rio Grande National Forest study area. While the accuracies attained from the assessed products are somewhat low, these results are similar to comparable studies. Although many ORS products met or exceeded the overall accuracy of IDS and RTFD products, the differences were largely statistically insignificant at the 95% confidence interval. This demonstrates the current implementation of ORS is sufficient to provide data to augment IDS data.<\/jats:p>","DOI":"10.3390\/rs10081184","type":"journal-article","created":{"date-parts":[[2018,7,27]],"date-time":"2018-07-27T12:20:03Z","timestamp":1532694003000},"page":"1184","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":59,"title":["An Evaluation of Forest Health Insect and Disease Survey Data and Satellite-Based Remote Sensing Forest Change Detection Methods: Case Studies in the United States"],"prefix":"10.3390","volume":"10","author":[{"given":"Ian W.","family":"Housman","sequence":"first","affiliation":[{"name":"RedCastle Resources, Inc. Contractor to: USDA Forest Service Geospatial Technology and Applications Center (GTAC), Salt Lake City, UT 84119, USA"}]},{"given":"Robert A.","family":"Chastain","sequence":"additional","affiliation":[{"name":"RedCastle Resources, Inc. Contractor to: USDA Forest Service Geospatial Technology and Applications Center (GTAC), Salt Lake City, UT 84119, USA"}]},{"given":"Mark V.","family":"Finco","sequence":"additional","affiliation":[{"name":"RedCastle Resources, Inc. Contractor to: USDA Forest Service Geospatial Technology and Applications Center (GTAC), Salt Lake City, UT 84119, USA"}]}],"member":"1968","published-online":{"date-parts":[[2018,7,27]]},"reference":[{"key":"ref_1","unstructured":"United States Department of Agriculture (2017, September 19). Detection Surveys Overview. Available online: https:\/\/www.fs.fed.us\/foresthealth\/technology\/detection_surveys.shtml."},{"key":"ref_2","unstructured":"United States Department of Agriculture (2017, September 21). 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