A daily 1 km seamless Antarctic sea ice albedo product from VIIRS data ...

Summary: In the context of climate change, the sea ice albedo feedback mechanism makes the albedo of Antarctic sea ice a crucial element in polar environmental evolution and global climate models. Existing albedo products for Antarctic sea ice are limited, with a coarse spatiotemporal resolution, an...

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Bibliographic Details
Main Authors: Ma, Chao, Hao, Weifeng, Cheng, Qing, Ye, Fan, Qu, Ying, Gao, Shengjun, Wu, Haojian, Li, Fei
Format: Dataset
Language:English
Published: Zenodo 2024
Subjects:
Antarctic sea ice
Albedo
Cryosphere
Remote sensing
Radiation budget
Antarctic
The Antarctic
Antarc*
Sea ice
Online Access:https://dx.doi.org/10.5281/zenodo.11216156
https://zenodo.org/doi/10.5281/zenodo.11216156
Description
Summary:Summary: In the context of climate change, the sea ice albedo feedback mechanism makes the albedo of Antarctic sea ice a crucial element in polar environmental evolution and global climate models. Existing albedo products for Antarctic sea ice are limited, with a coarse spatiotemporal resolution, and numerous data gaps due to persistent cloud cover. This study uses the Multiband Reflectance Iteration (MBRI) algorithm, which retrieves the Antarctic sea ice albedo using reflectance data from the Visible Infrared Imaging Radiometer Suite (VIIRS). Moreover, the study reconstructs the albedo of cloudy-sky pixels by integrating spatiotemporal information and physical models. A new 1 km daily seamless albedo product for Antarctic sea ice has been developed, covering the period from 2012 to 2021. The results, validated against the automatic weather stations data from the Baseline Surface Radiation Network (BSRN), reveal that the proposed product has higher accuracy, finer spatiotemporal resolution, and superior ...

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