Articles | Volume 18, issue 7
https://doi.org/10.5194/essd-18-4983-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-18-4983-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
PlanetGSD 1.0: a cross-planetary grain-size distribution dataset from the Earth, the Moon, and the Mars
Jun Zhang
Key Laboratory of Mountain Hazards and Engineering Resilience/Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610213, China
State Key Laboratory of Hydroscience and Engineering; Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, China
Key Laboratory of Mountain Hazards and Engineering Resilience/Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610213, China
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Jun Zhang, Songtang He, Yong Li, and Yuan Xue
Hydrol. Earth Syst. Sci., 30, 3825–3851, https://doi.org/10.5194/hess-30-3825-2026, https://doi.org/10.5194/hess-30-3825-2026, 2026
Short summary
Short summary
To better predict mountain hazards like landslides, we studied how long soil retains rain moisture. Using 20 years of satellite data from China, we found a control shift at about five years. Short-term memory is governed by weather and plants, while long-term persistence is locked in by soil and terrain. This creates a lasting "background" wetness, especially in humid forests, pre-conditioning slopes for years.
Pengcheng Su, Jingjing Liu, Yong Li, Wei Liu, Yang Wang, Chun Ma, and Qimin Li
Hydrol. Earth Syst. Sci., 25, 5879–5903, https://doi.org/10.5194/hess-25-5879-2021, https://doi.org/10.5194/hess-25-5879-2021, 2021
Short summary
Short summary
We identified ± 150 glacial lakes in the Poiqu River basin (central Himalayas), and we explore the changes in five lakes over the last few decades based on remote sensing images, field surveys, and satellite photos. We reconstruct the lake basin topography, calculate the water capacity, and propose a water balance equation (WBE) to explain glacial lake evolution in response to local weather conditions. The WBE also provides a framework for the water balance in rivers from glacierized sources.
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Short summary
PlanetGSD 1.0, the first standardized cross-planetary grain-size database, provides 6,527 harmonized measurements (Earth, Moon, Mars) via the Unified Grain Size Distribution (UGSD) function. Openly available at Figshare, it enables robust regolith comparison, simulant benchmarking, and landing site assessment.
PlanetGSD 1.0, the first standardized cross-planetary grain-size database, provides 6,527...
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