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@INPROCEEDINGS{Zhang:1022146,
      author       = {Zhang, Yikui and Wangner, NIklas and Görgen, Klaus and
                      Kollet, Stefan},
      title        = {{L}inking the atmospheric water cycle and land-atmosphere
                      coupling from fully coupled {TSMP} simulations through a
                      novel atmospheric moisture analysis framework},
      reportid     = {FZJ-2024-01267},
      year         = {2023},
      abstract     = {The alterations in land-atmosphere coupling, caused by
                      greenhouse gas forcing and human water use, have a
                      significant impact on the atmospheric water balance.
                      However, detecting and attributing these effects under
                      multiple anthropogenic forcings is challenging, partly
                      because a number of confounding interactions often influence
                      the variables used in analyses. Moreover, the lack of
                      climatologies of the coupled groundwater to atmosphere
                      system, that consistently represent scenarios under
                      anthropogenic interventions, limits the detection of
                      individual contributing factors. As part of the DETECT
                      Collaborative Research Centre (https://sfb1502.de/), we
                      address these challenges, through fully-coupled terrestrial
                      system, groundwater-to-atmosphere simulations with the
                      Terrestrial Systems Modelling Platform
                      (https://www.terrsysmp.org/) regional climate system model.
                      The ERA5 reanalysis-driven evaluation runs are conducted
                      with and without an irrigation scheme over the COrdinated
                      Regional Downscaling EXperiment (CORDEX) EUR-11 domain at
                      about 12km resolution from 1979 to 2021. Simulations also
                      contribute in parts to the new ensemble of CORDEX regional
                      climate scenarios. Additionally, we are developing a
                      physically-based diagnostics and analysis framework to
                      detect and attribute the impacts of GHG forcing and
                      irrigation on the atmospheric water cycle and L-A coupling
                      strength based on our simulations. From the perspective of
                      the atmospheric moisture budget, so far, we established a
                      proportionality relationship between cloud water content and
                      rainwater content based on the atmospheric water balance
                      equation. By incorporating microphysics and statistical
                      relationships, we represent evapotranspiration and
                      precipitation using surface specific humidity and total
                      water vapor. This preliminary framework enables to draw a
                      direct connection of moisture terms from the near surface to
                      the troposphere, providing insights into the interactions
                      within the atmospheric water cycle. Moreover, we anticipate
                      that the proportionality relationship between cloud and
                      rainwater content can elucidate how thermodynamic and
                      dynamic factors, such as the wind field and circulation
                      changes, influence cloud and precipitation formation and
                      quantify the land-atmosphere coupling strength.},
      month         = {Sep},
      date          = {2023-09-25},
      organization  = {TERENO 2023, Bonn (Germany), 25 Sep
                       2023 - 29 Sep 2023},
      subtyp        = {Other},
      cin          = {IBG-3},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {2173 - Agro-biogeosystems: controls, feedbacks and impact
                      (POF4-217) / SFB 1502 D02 - Simulation anthropogen bedingter
                      Veränderungen in regionalen Wasser- und Energiekreisläufen
                      (D02) (495897999)},
      pid          = {G:(DE-HGF)POF4-2173 / G:(GEPRIS)495897999},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/1022146},
}