Capturing the Little Washita watershed water balance with a physically-based two-hydrologic-variable model

Database corresponding to the research work submitted to Water Resources Research :
"Capturing the Little Washita watershed water balance with a physically-based two-hydrologic-variable model"
Fanny Picourlat ([e-mail]), Emmanuel Mouche, Claude Mugler

"Geomorphic_Analysis" directory ------------------------------------------------------------------------------

Little Washita geomophic analysis results. Analysis conducted on the 100 m resolution DEM (from USGS datadase, accessible at https://www.usgs.gov/core-science-systems/national-geospatial-program/small-scale-data) using a flow paths modeling algorithm developped by Maquin (2016).

    - Hillslopes_Length.csv : List of hillslopes lengths [m]

    - Hillslopes_MeanSlopes.csv : List of hillslopes mean slopes [%]

"3DREF_model_19981999" directory ------------------------------------------------------------------------------
Three-dimensional reference model files : exemple of the 1998-1999 water year simulation.

    - LWo.grok : Data file prepared for the pre-processor, which is then run to generate the input data files for HydroGeoSphere.

    - "Outputs" directory ---------------------------------------------
    Output files that form paper's figures.

        - LWo.hydrograph.Hydrographe_USGS1_07327550.dat : Streamflow at USGS1
        - LWo.water_balance.dat : Water balance
        - LWo.pm.dat : Subsurface domain variables for all nodes for all output times. File used for plotting depth to water table.
        - LWo.olf.dat : Surface domain variables for all nodes for all output times. File used for plotting evapotranspiration at the closest node from the Ameriflux station.

"Hillslope_Model" directory -----------------------------------------------------------------------------------
Equivalent hillslope model files for the 20-year simulation.

    - LWo.grok : Data file prepared for the pre-processor, which is then run to generate the input data files for HydroGeoSphere.

    - "Outputs" directory ----------------------------------------------

        - LWo.water_balance.dat : Water balance. File used for plotting hillslope discharge and evapotranspiration.
        - LWo.observation_well_flow.Well_1.dat : Outputs at nodes located at x=100m. File used for plotting depth to water table.
        - LWo.pm.dat : Subsurface domain variables for all nodes for all output times. File used to extract the "post-processed" files described below.

        - "Post_processed" directory -------------------------------
          Data extracted from the output file LWo.pm.dat.

            - TAB_xzy_sat.csv : Saturation for all nodes for all output times. Used for defining the seepage face extension Xs(t).
            - x(t).csv : x coordinate (for all output times) of the intersection point between roots ending limit and water table. Used for defining the water table slope tan(i(t)).

"Params" directory --------------------------------------------------------------------------------------------
Parameters files for both 3DREF model (1998-1999 simulation) and hillslope model (20-year simulation).

    - "Topography" directory --------------------------------------------
        - maillage_hgs_corr3_riv.2dm : Horizontal 3D mesh file
        - fichier_altitude_grok_corr3_riv_b.txt : 3D surface nodes elevation [m]

    - "Props" directory -------------------------------------------------
        - LW.mprops : Subsurface material parameters
        - LW.oprops : Surface domain parameters
        - LW_LAI.etprops : Vegetation parameters

    - "Zones_vg" directory ----------------------------------------------
        - zone_1_ele.txt : Bare soil 3D elements IDs
        - zone_2_ele.txt : Deciduous forest 3D elements IDs
        - zone_3_ele.txt : Evergreen forest 3D elements IDs
        - zone_4_ele.txt : Shrubs 3D elements IDs
        - zone_5_ele.txt : Grassland 3D elements IDs
        - zone_6_ele.txt : Pasture 3D elements IDs
        - zone_7_ele.txt : Crops 3D elements IDs

    - "Forcings" directory ----------------------------------------------
        - NARR_day_9899.csv : Daily rainfall [m/s] on 1998-1999
        - NARR_day_etp_9899.csv : Daily Potential Evapotranspiration [m/s] on 1998-1999
        - NARR_day_9313.csv : Daily rainfall [m/s] on 1993-2013
        - NARR_day_etp_9313.csv : Daily Potential Evapotranspiration [m/s] on 1993-2013

    - "Output_times" directory ------------------------------------------
        - output_times_365d.csv : Output times [s] for 365 days
        - output_times_20y.csv : Output times [s] for 20 years

    - "Rivers" directory ------------------------------------------------
        - no_rivers_ele.txt : No river 3D elements IDs
        - rivers_ele.txt : River 3D elements IDs

    - "LAI" directory ---------------------------------------------------
    LAI files (1st column : time [s], 2nd column : LAI [-])
        - LAI_2_hydro.csv : Deciduous forest LAI over one water year
        - LAI_4_5_6_hydro.csv : Shrubs, grassland and pasture LAI over one water year
        - LAI_winterwheat_OAlaoui.csv : Crops LAI over one water year
        - LAI_eq_20y.csv : Equivalent LAI (for hillslope model) over 20 years

"Analytical_Model" directory -----------------------------------------------------------------------------------

    - Analytical_model.py : Analytical model code for the 20-year simulation of the equivalent hillslope water balance.