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Variation Characteristics of Evapotranspiration and Water Consumption Effectiveness Evaluation in the Aksu River Basin Based on Multi–Source Data Fusion

Yang, Meie, Wei, Guanghui, Yang, Shichen, and Yao, Xiaochen, 2026. Variation Characteristics of Evapotranspiration and Water Consumption Effectiveness Evaluation in the Aksu River Basin Based on Multi–Source Data Fusion. Atmosphere, 17(3):244, doi:10.3390/atmos17030244.

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@ARTICLE{2026Atmos..17..244Y,
       author = {{Yang}, Meie and {Wei}, Guanghui and {Yang}, Shichen and {Yao}, Xiaochen},
        title = "{Variation Characteristics of Evapotranspiration and Water Consumption Effectiveness Evaluation in the Aksu River Basin Based on Multi-Source Data Fusion}",
      journal = {Atmosphere},
     keywords = {evapotranspiration estimation, multi-source data fusion, Bayesian model averaging, Aksu River Basin, water consumption effectiveness, water resource management, arid region hydrology, spatiotemporal variation characteristics},
         year = 2026,
        month = feb,
       volume = {17},
       number = {3},
          eid = {244},
        pages = {244},
     abstract = "{In order to improve the robustness and internal consistency of
        evapotranspiration estimation in arid regions and to reveal the
        characteristics of water consumption structure within a river
        basin, this study focused on the Aksu River Basin. Multiple data
        sources, including the Penman─Monteith model, MODIS remote
        sensing products, GRACE terrestrial water storage change data,
        and the GLDAS─Noah model, were integrated to establish a
        Bayesian Model Averaging (BMA)-based framework for fusing actual
        evapotranspiration (ETa) estimates. The results indicate that
        the BMA integration effectively mitigated model-dependent biases
        and improved the consistency and robustness of basin-scale ETa
        estimates. During the period 2000─2020, ETa in the basin
        exhibited an overall increasing trend (approximately 4.04 mm/a),
        with a spatial distribution pattern characterized by higher
        values in the northwest and lower values in the southeast. In
        terms of water consumption effectiveness, low-effectiveness
        water consumption predominated in the basin (accounting for
        61.24\%), while high-effectiveness water consumption accounted
        for a relatively smaller proportion (26.01\%). These results
        suggest that the current water consumption structure remains
        dominated by low-effectiveness components, indicating potential
        room for optimization in balancing irrigation activities and
        ecosystem water use. The multi-source data fusion and water
        consumption effectiveness evaluation framework proposed in this
        study provides a scientific basis for water resource management
        and ecological water security assessment in arid river basins.}",
          doi = {10.3390/atmos17030244},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2026Atmos..17..244Y},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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