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Air emission inventory is an advance tool in application research of environmental field. Emission inventory can be conducted in different approaches, in which statistical data collection is considered to be a conventional way with relatively low reliability and delaying time. This study uses a methodology of extracting activity data of cultivation area and rice production employing SAR Sentinel-1 images in order to overcome the limitation of conventional method. Consequently, the data is utilized to estimate the total air pollutants emitted from rice straw open burning. Results show that integration of remote sensing data (SAR Sentinel-1 satellite) improves the seasonal spatial rice cultivated area and production distribution with high reliability. The study implies a considerable potential of satellite data for estimation of air emission from agriculture waste combusion due to its availability, real-time, and low cost features. Application for Hanoi in 2019 performs that an amount of 460 thousand tons of rice straw was burned, thus, created 542 thousand tons of CO2 (90%), 42 thousand tons of CO (7%), and other air pollutants of the rest 3%.

tạp chí khoa học đại học quốc gia hà nội: nghiên cứu giáo dục  (vnu journal of science: education research)/tạp chí khoa học đại học quốc gia hà nội: các khoa học trái đất và môi trường (vnu journal of science: earth and environmental sciences)

Application of SAR Sentinel-1 Satellite for Air Emission Inventory from Rice Straw Open Burning in Hanoi