Analysis of the global Earth’s outgoing radiation reconstruction from disk-integrated measurements

Zhitong Yu; Yin Jin; Hanlin Ye; Mengxiong Zhou; Guang Liu; Huadong Guo

doi:10.1117/12.3057501

28 January 2025 Analysis of the global Earth’s outgoing radiation reconstruction from disk-integrated measurements

Zhitong Yu, Yin Jin, Hanlin Ye, Mengxiong Zhou, Guang Liu, Huadong Guo

Author Affiliations +

Proceedings Volume 13506, Sixth International Conference on Geoscience and Remote Sensing Mapping (GRSM 2024); 1350610 (2025) https://doi.org/10.1117/12.3057501
Event: Sixth International Conference on Geoscience and Remote Sensing Mapping (ICGRSM 2024), 2024, Qingdao, China

Abstract

The Earth’s outgoing radiation is one of the key parameters in the global climate change. This study aims to analyze the feasibility of reconstructing global Earth’s outgoing radiation using disk-integrated measurements. We utilized Clouds and the Earth’s Radiant Energy System (CERES) Synoptic Radiative Fluxes and Clouds (SYN) datasets to simulate the disk-integrated measurements from sensors onboard a Moon-based platform, a satellite at the Sun-Earth Lagrange L1 point, the L2 point, and a polar orbit at the altitude of 380000 km. The reconstruction method is proposed based on the disk-integrated measurements. The results indicated that while the reconstructed radiation at the Sun-Earth L1 point is generally higher than the true value, the radiation reconstructed by the Moon-based and high polar orbit platforms is closer to the true value. Furthermore, we found that the sampling time interval significantly affects the reconstruction accuracy, with intervals of less than 4 hours introducing minimal errors. Our findings suggest that disk-integrated measurements are capable of effectively reconstructing Earth’s global radiation, offering significant guidance for the planning of future missions.

(2025) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Zhitong Yu, Yin Jin, Hanlin Ye, Mengxiong Zhou, Guang Liu, and Huadong Guo "Analysis of the global Earth’s outgoing radiation reconstruction from disk-integrated measurements", Proc. SPIE 13506, Sixth International Conference on Geoscience and Remote Sensing Mapping (GRSM 2024), 1350610 (28 January 2025); https://doi.org/10.1117/12.3057501

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