GOSAT2

Greenhouse gases Observing Satellite 2, often abbreviated as GOSAT-2, is a Japanese satellite mission developed by the Japan Aerospace Exploration Agency (JAXA). Its primary objective is to accurately measure the concentrations of greenhouse gases in the Earth's atmosphere, particularly carbon dioxide (CO2) and methane (CH4). GOSAT-2 builds upon the success of its predecessor, GOSAT, aiming to provide even more precise and comprehensive data.

The satellite is equipped with advanced sensor technology, including a greenhouse gas sensor and a cloud and aerosol sensor. These instruments work together to detect the spectral fingerprints of greenhouse gases in sunlight that has been reflected or transmitted by the Earth's surface and atmosphere. By analyzing these spectra, scientists can determine the column-averaged concentrations of CO2 and CH4. GOSAT-2 also features a high-resolution imager to improve the accuracy of its measurements by identifying and excluding data points affected by clouds or aerosols.

The data collected by GOSAT-2 is crucial for understanding the global distribution of greenhouse gases, identifying their sources and sinks, and monitoring changes over time. This information supports climate modeling efforts, helps in the evaluation of emission reduction strategies, and contributes to international efforts to address climate change. The mission is expected to provide valuable long-term data continuity, allowing for continued monitoring of these critical atmospheric components.