Guido R. van der Werf
A5085138972- Atmospheric and Environmental Gas Dynamics
- Fire effects on ecosystems
- Atmospheric chemistry and aerosols
- Atmospheric Ozone and Climate
- Climate variability and models
- Methane Hydrates and Related Phenomena
- Remote Sensing in Agriculture
- Air Quality Monitoring and Forecasting
- Atmospheric aerosols and clouds
- Plant Water Relations and Carbon Dynamics
- Vehicle emissions and performance
- Climate Change Policy and Economics
- Fire Detection and Safety Systems
- Fire dynamics and safety research
- Air Quality and Health Impacts
- Energy and Environment Impacts
- Carbon Dioxide Capture Technologies
- Flood Risk Assessment and Management
- Landslides and related hazards
- Meteorological Phenomena and Simulations
- Remote Sensing and LiDAR Applications
- Hydrocarbon exploration and reservoir analysis
- Conservation, Biodiversity, and Resource Management
- Arctic and Russian Policy Studies
- Peatlands and Wetlands Ecology
Wageningen University & Research
2023-2025
Vrije Universiteit Amsterdam
2015-2024
Goddard Space Flight Center
2003-2020
University of Bergen
2019
University of Exeter
2018
Ludwig-Maximilians-Universität München
2018
University of East Anglia
2018
Norwich Research Park
2018
Environment and Climate Change Canada
2018
Centre National de la Recherche Scientifique
2018
Abstract. New burned area datasets and top-down constraints from atmospheric concentration measurements of pyrogenic gases have decreased the large uncertainty in fire emissions estimates. However, significant gaps remain our understanding contribution deforestation, savanna, forest, agricultural waste, peat fires to total global emissions. Here we used a revised version Carnegie-Ames-Stanford-Approach (CASA) biogeochemical model improved satellite-derived estimates burned, activity, plant...
Fire is a worldwide phenomenon that appears in the geological record soon after appearance of terrestrial plants. influences global ecosystem patterns and processes, including vegetation distribution structure, carbon cycle, climate. Although humans fire have always coexisted, our capacity to manage remains imperfect may become more difficult future as climate change alters regimes. This risk assess, however, because fires are still poorly represented models. Here, we discuss some most...
Abstract. Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, terrestrial biosphere in a changing climate – “global budget” is important to better understand global cycle, support development policies, project future change. Here we describe synthesize data sets methodology quantify five major components budget uncertainties. Fossil CO2 (EFOS) are based on energy statistics cement production data, while from land-use...
Abstract. Understanding and quantifying the global methane (CH4) budget is important for assessing realistic pathways to mitigate climate change. Atmospheric emissions concentrations of CH4 continue increase, making second most human-influenced greenhouse gas in terms forcing, after carbon dioxide (CO2). The relative importance compared CO2 depends on its shorter atmospheric lifetime, stronger warming potential, variations growth rate over past decade, causes which are still debated. Two...
<strong class="journal-contentHeaderColor">Abstract.</strong> Climate, land use, and other anthropogenic natural drivers have the potential to influence fire dynamics in many regions. To develop a mechanistic understanding of changing role these their impact on atmospheric composition, long-term records are needed that fuse information from different satellite situ data streams. Here we describe fourth version Global Fire Emissions Database (GFED) quantify global emissions patterns during...
Abstract. Biomass burning represents an important source of atmospheric aerosols and greenhouse gases, yet little is known about its interannual variability or the underlying mechanisms regulating this at continental to global scales. Here we investigated fire emissions during 8 year period from 1997 2004 using satellite data CASA biogeochemical model. Burned area 2001–2004 was derived newly available active 500 m. burned datasets MODIS following approach described by Giglio et al. (2006)....
Abstract. Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, terrestrial biosphere – “global budget” is important to better understand global cycle, support development climate policies, project future change. Here we describe data sets methodology quantify five major components budget uncertainties. Fossil CO2 (EFF) are based on energy statistics cement production data, while from land use change (ELUC), mainly...
Abstract We describe the fourth generation of Global Fire Emissions Database (GFED4) burned area data set, which provides global monthly at 0.25° spatial resolution from mid‐1995 through present and daily for time series extending back to August 2000. produced full set by combining 500 m MODIS maps with active fire Tropical Rainfall Measuring Mission (TRMM) Visible Infrared Scanner (VIRS) Along‐Track Scanning Radiometer (ATSR) family sensors. found that annual years 1997 2011 varied 301...
Abstract. Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, terrestrial biosphere – “global budget” is important to better understand global cycle, support development climate policies, project future change. Here we describe data sets methodology quantify five major components budget uncertainties. Fossil CO2 (EFF) are based on energy statistics cement production data, while from land use land-use change (ELUC), mainly...
Abstract. The Global Fire Assimilation System (GFASv1.0) calculates biomass burning emissions by assimilating Radiative Power (FRP) observations from the MODIS instruments onboard Terra and Aqua satellites. It corrects for gaps in observations, which are mostly due to cloud cover, filters spurious FRP of volcanoes, gas flares other industrial activity. combustion rate is subsequently calculated with land cover-specific conversion factors. Emission factors 40 gas-phase aerosol trace species...
Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, terrestrial biosphere in a changing climate is critical to better understand global cycle, support development policies, project future change. Here we describe synthesize datasets methodology quantify five major components budget uncertainties. Fossil CO2 (EFOS) are based on energy statistics cement production data, while from land-use change (ELUC), mainly...
Abstract. Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, terrestrial biosphere in a changing climate is critical to better understand global cycle, support development policies, project future change. Here we describe synthesize data sets methodologies quantify five major components budget uncertainties. Fossil CO2 (EFOS) are based on energy statistics cement production data, while from land-use change (ELUC), mainly...
Abstract. The net flux of carbon from land use and land-cover change (LULCC) accounted for 12.5% anthropogenic emissions 1990 to 2010. This is the most uncertain term in global budget, not only because uncertainties rates deforestation forestation, but also density lands actually undergoing change. Furthermore, there are differences approaches used determine that introduce variability into estimates ways difficult evaluate, all analyses consider same types management activities. Thirteen...
We present an estimate of net CO(2) exchange between the terrestrial biosphere and atmosphere across North America for every week in period 2000 through 2005. This is derived from a set 28,000 mole fraction observations global that are fed into state-of-the-art data assimilation system called CarbonTracker. By design, surface fluxes produced CarbonTracker consistent with recent history provide constraints on carbon flux independent national inventories accounting efforts. find American to...
Abstract. Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, terrestrial biosphere – global budget is important to better understand cycle, support development climate policies, project future change. Here we describe data sets methodology quantify five major components uncertainties. CO2 from fossil fuels industry (EFF) are based on energy statistics cement production data, respectively, while land-use change (ELUC),...
Abstract. Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, terrestrial biosphere – “global budget” is important to better understand global cycle, support development climate policies, project future change. Here we describe data sets methodology quantify all major components budget, including uncertainties, based on combination a range data, algorithms, statistics, model estimates interpretation by broad scientific...
Abstract. Inventories for global aerosol and precursor emissions have been collected (based on published inventories simulations), assessed prepared the year 2000 (present-day conditions) 1750 (pre-industrial conditions). These datasets establish a comprehensive source emission input to modeling, when simulating impact climate with state-of-the-art component modules. As these modules stratify into dust, sea-salt, sulfate, organic matter soot, all types fields strength recommendations...
Fire is an essential Earth system process that alters ecosystem and atmospheric composition. Here we assessed long-term fire trends using multiple satellite data sets. We found global burned area declined by 24.3 ± 8.8% over the past 18 years. The estimated decrease in remained robust after adjusting for precipitation variability was largest savannas. Agricultural expansion intensification were primary drivers of declining activity. Fewer smaller fires reduced aerosol concentrations,...
Abstract. The global methane (CH4) budget is becoming an increasingly important component for managing realistic pathways to mitigate climate change. This relevance, due a shorter atmospheric lifetime and stronger warming potential than carbon dioxide, challenged by the still unexplained changes of CH4 over past decade. Emissions concentrations are continuing increase, making second most human-induced greenhouse gas after dioxide. Two major difficulties in reducing uncertainties come from...