{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T22:01:33Z","timestamp":1769551293935,"version":"3.49.0"},"reference-count":64,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2022,6,20]],"date-time":"2022-06-20T00:00:00Z","timestamp":1655683200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Israeli Ministry of Science, Technology and Space, Eshkol Scholarship","award":["3-14504"],"award-info":[{"award-number":["3-14504"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Wildfire simulations depend on fuel representation. Present fuel models are mainly based on the density and properties of different vegetation types. This study aims to improve the accuracy of WRF-Fire wildfire simulations, by using synthetic-aperture radar (SAR) data to estimate the fuel load and the trend of vegetation index to estimate the dryness of woody vegetation. We updated the chaparral and timber standard woody fuel classes in the WRF-Fire fuel settings. We used the ESA global above-ground biomass (AGB) based on SAR data to estimate the fuel load, and the Landsat normalized difference vegetation index (NDVI) trends of woody vegetation to estimate the fuel moisture content. These fuel sub-parameters represent the dynamic changes and spatial variability of woody fuel. We simulated two wildfires in Israel while using three different fuel models: the original 13 Anderson Fire Behavior fuel model, and two modified fuel models introducing AGB alone, and AGB and dryness. The updated fuel model (the basic fuel model plus the AGB and dryness) improved the simulation results significantly, i.e., the Jaccard similarity coefficient increased by 283% on average. Our results demonstrate the potential of combining satellite SAR data and Landsat NDVI trends to improve WRF-Fire wildfire simulations.<\/jats:p>","DOI":"10.3390\/rs14122941","type":"journal-article","created":{"date-parts":[[2022,6,21]],"date-time":"2022-06-21T04:39:55Z","timestamp":1655786395000},"page":"2941","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Improving WRF-Fire Wildfire Simulation Accuracy Using SAR and Time Series of Satellite-Based Vegetation Indices"],"prefix":"10.3390","volume":"14","author":[{"given":"Yaron","family":"Michael","sequence":"first","affiliation":[{"name":"Department of Geography and Environment, Bar-Ilan University, Ramat-Gan 5290002, Israel"}]},{"given":"Gilad","family":"Kozokaro","sequence":"additional","affiliation":[{"name":"Abiotix Environmental Services, Sderot Rothschild 17, Hadera 3820524, Israel"}]},{"given":"Steve","family":"Brenner","sequence":"additional","affiliation":[{"name":"Department of Geography and Environment, Bar-Ilan University, Ramat-Gan 5290002, Israel"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7594-5277","authenticated-orcid":false,"given":"Itamar M.","family":"Lensky","sequence":"additional","affiliation":[{"name":"Department of Geography and Environment, Bar-Ilan University, Ramat-Gan 5290002, Israel"}]}],"member":"1968","published-online":{"date-parts":[[2022,6,20]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"e2011048118","DOI":"10.1073\/pnas.2011048118","article-title":"The changing risk and burden of wildfire in the United States","volume":"118","author":"Burke","year":"2021","journal-title":"Proc. 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