Monitoring Trends in Burn Severity

Monitoring Trends in Burn Severity
Name	Monitoring Trends in Burn Severity
Focus	Wildfire burn severity monitoring
Disciplines	Remote sensing; Ecology; Forestry; Geospatial analysis
Methods	Satellite imagery; Field surveys; Statistical modeling

Contents

Monitoring Trends in Burn Severity

Monitoring trends in burn severity synthesizes observations from Landsat program, Moderate Resolution Imaging Spectroradiometer, Sentinel-2, National Aeronautics and Space Administration, European Space Agency and ground campaigns to characterize change over time. Practitioners from United States Forest Service, Geological Survey of Canada, CSIRO, Forest Service (United States Department of Agriculture), and academic centers including University of California, Berkeley, University of Cambridge, University of British Columbia, and Stanford University integrate field data, geospatial products, and statistical models to inform Intergovernmental Panel on Climate Change, United Nations Environment Programme, International Union for Conservation of Nature, and regional agencies.

Introduction

Monitoring trends in burn severity documents how the intensity and ecological effects of Great Basin fires, Sierra Nevada fires, Amazon rainforest fires, Australian bushfires, Boreal forest fires, and other major events have changed across decades. Analyses draw on records from institutions such as the National Oceanic and Atmospheric Administration, Canadian Forest Service, European Commission, NASA Goddard Space Flight Center, and research networks like the Global Fire Monitoring Center. Outcomes inform policymakers at bodies like the U.S. Department of the Interior, Ministry of the Environment (New Zealand), and land managers at National Park Service and Parks Canada.

Methods combine field-based protocols developed by National Park Service, Forest Inventory and Analysis, and the Canadian National Forest Inventory with remote sensing indices from Landsat program, MODIS (instrument), Sentinel-2, and airborne lidar missions such as those by National Ecological Observatory Network. Common metrics include differenced vegetation indices used by teams at University of Colorado Boulder and University of Washington, spectral mixture analyses used by Jet Propulsion Laboratory, and ordination approaches applied in studies by Columbia University and Yale University. Calibration and validation rely on plot networks coordinated with Smithsonian Institution researchers, Australian Commonwealth Scientific and Industrial Research Organisation scientists, and field campaigns associated with Forest Fire Research Institute-type organizations.

Long-term analyses leveraging Landsat program time series, regional assessments by USGS, and continental syntheses by European Space Agency show spatial heterogeneity: increases in burn severity in parts of the Western United States, Mediterranean Basin, and Siberia contrast with declines in some managed landscapes of Scandinavia and parts of Brazil. Temporal trends reported in studies from University of Montana, University of Helsinki, University of São Paulo, and University of Melbourne link multi-decadal shifts to climate indices referenced by NOAA Climate Prediction Center and paleofire reconstructions from Smithsonian Institution paleobotany labs.

Drivers include climatic factors analyzed by Intergovernmental Panel on Climate Change, land-use legacies documented by Bureau of Land Management, and fuel dynamics described by Rocky Mountain Research Station and Czech Academy of Sciences studies. Vegetation transitions monitored by Australian National University researchers and invasive species impacts studied by University of Arizona interact with suppression policies from USFS and prescribed burning programs run by New South Wales Rural Fire Service. Socioeconomic drivers are evaluated by collaborating teams at Harvard University, University of Oxford, and London School of Economics in conjunction with disaster agencies like Federal Emergency Management Agency.

Changes in burn severity affect carbon cycling assessed by Global Carbon Project scientists, biodiversity outcomes studied by Conservation International and World Wildlife Fund, and water yield patterns examined by U.S. Geological Survey and International Water Management Institute. Community impacts inform risk assessments by Federal Emergency Management Agency, public health responses coordinated with World Health Organization, and infrastructure resilience planning by European Commission Directorate-General for Climate Action. Postfire succession and restoration practices are guided by researchers at USDA Agricultural Research Service, The Nature Conservancy, and NatureServe.

Key technologies include the Landsat program archive, MODIS (instrument) products, Sentinel-2 imagery, airborne lidar from National Ecological Observatory Network, unmanned aerial systems used by Federal Aviation Administration-regulated teams, and ground observations coordinated by Forest Inventory and Analysis and International Long Term Ecological Research Network. Data portals maintained by USGS, Copernicus Programme, Global Forest Watch, and NASA Earth Observatory enable multi-source syntheses used by analysts at Oak Ridge National Laboratory and Lawrence Berkeley National Laboratory.

Challenges include sensor continuity considered by NASA, cross-jurisdictional data sharing governed by agreements involving European Commission and national agencies, and methodological harmonization addressed by collaborative workshops hosted at Smithsonian Institution and National Center for Atmospheric Research. Future directions emphasize integration of hyperspectral missions like Surface Biology and Geology concepts, increased use of machine learning approaches developed at Google Research and Microsoft Research, and expanded community science partnerships facilitated by CitizenScience.gov and Zooniverse. Coordination among institutions such as United Nations Office for Disaster Risk Reduction, International Union for Conservation of Nature, and national land agencies will shape monitoring priorities and adaptation strategies.

Category:Wildfires