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Updated: Jan 10, 2026

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
Published on: June 8, 2015
A multi-model based dataset of global atmospheric moisture source-sink relationships and atmospheric basins
Yu Zhang1,2, Deyu Zhong3, Rongrong Cai4
1State Key Laboratory of Hydroscience and Engineering, Key Laboratory of Hydrosphere Sciences of the Ministry of Water Resources, Department of Hydraulic Engineering, Tsinghua University, Beijing, China.
Abstract:
A comprehensive understanding of the atmospheric hydrological cycle is crucial for studying the transboundary impacts of climate and anthropogenic changes on global water resources. This study presents AMSSRAB, a global dataset of atmospheric moisture source-sink relationships (AMSSRs) between evaporation and precipitation locations, and the derived atmospheric basins (ABs) that regionalize the global atmospheric hydrological cycle. By integrating three atmospheric moisture tracking models (WAM2layers, UTrack, and WaterSip), AMSSRAB provides a multi-model ensemble representation of atmospheric moisture flows. The dataset provides seasonal atmospheric moisture source-sink relationships at 1° resolution over 40 years (1979-2018). The derived atmospheric basins identify quasi-independent moisture circulation systems characterized by high internal recycling. AMSSRAB demonstrates strong agreement with bias-corrected reconstruction data and previously published datasets while offering a regional perspective that complements existing evaporationshed-precipitationshed frameworks. This dataset enables researchers to investigate moisture source-sink relationships at multiple scales, analyze regional moisture recycling patterns, and examine atmospheric moisture responses to climate variability within the Earth's atmospheric water system.
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