Hyperspectral retrieval of phytoplankton absorption and community composition from NASA’s PACE-OCI in estuarine–coastal waters using a hybrid framework combining mixture-of-experts and Variational Autoencoder - Bai, Xingyu; Liu, Bingqing; Li, Jiang; Xiong, Yuanheng; D'Sa, Eurico; Baustian, Melissa; Zhang, Xiaodong; Grunert, Brice; Emeghiebo, Chisom; Glasspie, Cassie; Yuan, Xu (Remote Sensing of Environment, 2026)