Satellite Application Center for Ecology and Environment

Constraining Annual Coal Mine Methane Emissions with Multitemporal Hyperspectral Satellite Observations

Abstract Methane emissions from coal mining are difficult to constrain because of temporal variability and sparse observations. We used multitemporal hyperspectral observations from GF5A, GF5B, ZY1E, and ZY1F to quantify facility-scale emissions and evaluate sampling requirements...

PGMMF-Net: a POI-Guided Multi-modal Mamba Fusion Network for urban impervious surface extraction from optical and SAR imagery

Accurate extraction of urban impervious surfaces (IS) is essential for urban environmental analysis. However, optical-based methods are affected by shadows and spectral confusion, while optical-SAR fusion lacks urban functional semantics. Point-of-interest (POI) data provide comp...