This proposal will investigate the feasibility of methodologies for reconciling the current NASA MODIS 500m burned area and the MODIS 1km active fire product to provide improved burned biomass [units kg] and associated uncertainty estimates. The objective is to contribute to domestic air quality monitoring programs by producing biomass burned estimates in a temporally and spatially explicit manner at the MODIS 500m daily resolution; which will directly translate into improved emission estimates. The proposed activities in this one year feasibility study include: - development of a strategy for temporal integration of instantaneous Fire Radiative Power measurements from MODIS 1km active fire detections, and their spatial extrapolation over the MODIS burned area, in order to obtain a Fire Radiative Energy estimates, which has been demonstrated can be used to estimate the total dry biomass combusted. - uncertainty analysis by application of sensitivity analysis techniques and validation by comparison with US Forest Service Fuel Loading data from the Fuels Characteristics Classification System (FCCS) and ancillary datasets. Our expectation is that direct estimation of biomass burned in the above way will improve on traditional inventory based approaches. The proposal relates to the Air Quality application area.