Author(s): Romeu Gerardo; Isabel Pedroso De Lima; Joao Pedroso De Lima
Linked Author(s):
Keywords: No Keywords
Abstract: River monitoring is crucial for various reasons, including environmental protection, flood prevention, water resources management, and scientific research. The unique challenges posed by low-flow conditions to conventional in-situ monitoring require innovative alternative approaches. Presently, remote sensing technologies offer state-of-the-art tools for rapid and cost-effective water body mapping based on multispectral indices. The primary objective of this study was to compare the capabilities of utilizing imagery from the Sentinel-2 and the newly launched Landsat 9 satellites to achieve this objective. Data were collected for a segment of the Tagus River in Portugal during a period of exceptionally low river discharge in July 2022. Results indicated that the datasets and mapping from both satellites were consistent, thus allowing for their complementary use.
Year: 2024