<strong>Disentangling particle composition to differentiate POC through remotely-sensed optical signatures in optically-complex estuarine and coastal waters</strong>

Mengyu Li¹, Fang Shen^{1, *}, Emanuele Organelli², Wei Luo¹, Xuerong Sun¹, Xiaodao Wei¹ <br> ¹ State Key Laboratory of Estuarine and Coastal Research, Center for Blue Carbon Science and Technology, East China Normal University, Shanghai, China ² National Research Council (CNR), Institute of Marine Sciences (ISMAR), Via Fosso del Cavaliere 100, Rome, Italy * Corresponding author. Email: [e-mail];