HLWATER V1.0 Optical (water bodies Sentinel-2 TOA reflectance retrievals for 23/08/2019) - Western Nunavik (Subarctic Canada) ...

This dataset refers to the retrieval of TOA reflectance from the Sentinel-2 L1C 10-m bands for 23/08/2019, having as reference the Very High Resolution water body delineation dataset computed with the HLWATER V1.0 model (Freitas et al., 2024) for Western Nunavik (Eastern Hudson Bay), Subarctic Canad...

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Bibliographic Details
Main Authors: Freitas, Pedro, Vieira, Gonçalo, Martins, Diana, Canário, João, Pina, Pedro, Heim, Birgit, Juhls, Bennet, Couture, Raoul-Marie, Vincent, Warwick F.
Format: Dataset
Language:unknown
Published: Zenodo 2024
Subjects:
forest-tundra ecozone
permafrost
thermokarst
lakes
ponds
water bodies
Hudson Bay
Subarctic
Thermokarst
Tundra
Nunavik
Online Access:https://dx.doi.org/10.5281/zenodo.12197263
https://zenodo.org/doi/10.5281/zenodo.12197263
Description
Summary:This dataset refers to the retrieval of TOA reflectance from the Sentinel-2 L1C 10-m bands for 23/08/2019, having as reference the Very High Resolution water body delineation dataset computed with the HLWATER V1.0 model (Freitas et al., 2024) for Western Nunavik (Eastern Hudson Bay), Subarctic Canada. It covers a total area of 41,832 km2 within the latitudes 54° to 58° N and the longitudes 74° to 78° W. The dataset is composed of 167,755 water body reflectance retrievals. Additionally, 1 km2 hexagonal grids are provided with the calculation of the limnodiversity (diversity of water optical groups/colors). The optical groups were automatically defined using K-Means to 11 clusters, according to the highest Pseudo-F Score. Outputs are provided in shapefile and geodatabase formats. The manuscript detailing these outputs has been submitted to GIScience and Remote Sensing. ...

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