Automated extraction of water bodies from NIR and RGB aerial imagery in northern Alaska using supervised and unsupervised machine learning techniques

• Main Author: Abdelwahab, Ahmed
• Format: Thesis
• Language: unknown
• Published: 2022
• Subjects: Ice; permafrost; Thermokarst; wedge*; Alaska
• Online Access: https://epic.awi.de/id/eprint/57281/; https://epic.awi.de/id/eprint/57281/1/Ahmed_Thesis_compressed.pdf; https://hdl.handle.net/10013/epic.30af9e05-6f2e-47b8-af04-ddacf1ff02bb

Thawing and freezing of permafrost ground are affected by various reasons: air temperature, vegetation, snow accumulation, subsurface physical properties, and moisture. Due to the rising of air temperature, the permafrost temperature and the thermokarst activity increase. Thermokarst instability cau...