Dear GIS-Idea 2026 Conference Secretariat,

Thank you very much for accepting our paper entitled:

“Spatio-Temporal Deep Learning for Drifting Buoy Trajectory Forecasting: Multi-Dataset Evaluation and Operational Error Characterization”

We regret to inform you that, due to unforeseen circumstances, we will not be able to present this paper at the GIS-Idea 2026 Conference as scheduled.

We sincerely apologize for any inconvenience this may cause and greatly appreciate your understanding and consideration. We are grateful to the Organizing Committee for the opportunity to participate in the conference and hope to have the opportunity to contribute to future GIS-Idea events.

Best regards,