Validation and calibration of satellite measurements of aerosols and trace gases with surface monitoring stations

• Grant number: 22/01829-8
• Support Opportunities: Scholarships in Brazil - Post-Doctoral
• Start date: May 01, 2022
• End date: April 30, 2024
• Field of knowledge: Physical Sciences and Mathematics - Geosciences
• Agreement: BG E&P Brasil (Shell Group)
• Principal Investigator: Luiz Eduardo Oliveira e Cruz de Aragão
• Grantee: Vanúcia Schumacher Pogorzelski
• Host Institution: Instituto Nacional de Pesquisas Espaciais (INPE). Ministério da Ciência, Tecnologia e Inovação (Brasil). São José dos Campos , SP, Brazil
• Company: Universidade de São Paulo (USP). Escola Politécnica (EP)
• Associated research grant: 20/15230-5 - Research Centre for Greenhouse Gas Innovation - RCG2I, AP.PCPE

Abstract

This project aims to provide estimates of aerosols and GHG over Amazonia using state-of-the-art measurements from sensors onboard orbiting satellites. Such data, however,have not yet been verified against observations from monitoring stations at the earth´ssurface and therefore the differences between the remote sensing and ground samplingtechniques are unknown. We will compare the remote sensing and surface measurementdata since 2002 to determine their correlation and adjust the satellite data to betterrepresent surface data for the Amazon basin. MODIS (from TERRA and AQUA) andTROPOMI (from Sentinel-5) will be the main source for aerosol and GHG measurements,and their data basis will be prepared for use at the national, state, and county levels, in temporalperiods selected by the users. Surface data for validation will be used all over Amazonia,in particular at the ATTO tower, Acre, Rondônia, and other sites. Aerosol optical depth willbe validated with the NASA AERONET network. (AU)