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  "Title": "Evapotranspiration Estimation Using Temperature-Based Models",
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  "Description": "Provides functions to estimate daily reference\nevapotranspiration (ET0) using 10 temperature-based empirical\nmodels, with the Food and Agriculture Organization (FAO)\nPenman-Monteith method included as the standard reference for\nmodel comparison. Includes statistical evaluation metrics, such\nas Nash-Sutcliffe efficiency (NSE), root mean square error\n(RMSE), mean absolute error (MAE), and mean bias error (MBE),\nand visualization tools (scatter plots and Taylor diagrams).\nBased on Singh et al. (2026) <doi:10.1016/j.ejrh.2026.103925>.",
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  "_exports": [
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    "calc_d",
    "calc_mae",
    "calc_mbe",
    "calc_mse",
    "calc_nrmse",
    "calc_nse",
    "calc_r",
    "calc_r2",
    "calc_rmse",
    "daylight_hours",
    "dew_point_temperature",
    "et0_baier_robertson",
    "et0_berti",
    "et0_blaney_criddle",
    "et0_dorji",
    "et0_droogers_allen",
    "et0_fao_pm",
    "et0_hargreaves_samani",
    "et0_linacre",
    "et0_schendel",
    "et0_tabari_talee1",
    "et0_tabari_talee2",
    "et0_temp_all",
    "evaluate_models",
    "extraterrestrial_radiation",
    "latent_heat",
    "net_radiation",
    "plot_annual_bar",
    "plot_monthly_comparison",
    "plot_scatter",
    "plot_taylor",
    "psychrometric_constant",
    "saturation_vapor_pressure",
    "slope_vapor_pressure",
    "solar_radiation"
  ],
  "_datasets": [
    {
      "name": "jhansi_weather",
      "title": "Sample Meteorological Data from Jhansi, India",
      "object": "jhansi_weather",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Date",
        "J",
        "Tmax",
        "Tmin",
        "RH_morning",
        "RH_evening",
        "SSH",
        "WS"
      ],
      "rows": 365,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "ET0TempModels-package",
      "title": "ET0TempModels: Evapotranspiration Estimation Using Temperature-Based Models",
      "topics": [
        "ET0TempModels-package",
        "ET0TempModels"
      ]
    },
    {
      "page": "actual_vapor_pressure",
      "title": "Actual Vapor Pressure",
      "topics": [
        "actual_vapor_pressure"
      ]
    },
    {
      "page": "calc_d",
      "title": "Willmott's Index of Agreement (d)",
      "topics": [
        "calc_d"
      ]
    },
    {
      "page": "calc_mae",
      "title": "Mean Absolute Error (MAE)",
      "topics": [
        "calc_mae"
      ]
    },
    {
      "page": "calc_mbe",
      "title": "Mean Bias Error (MBE)",
      "topics": [
        "calc_mbe"
      ]
    },
    {
      "page": "calc_mse",
      "title": "Mean Squared Error (MSE)",
      "topics": [
        "calc_mse"
      ]
    },
    {
      "page": "calc_nrmse",
      "title": "Normalized Root Mean Squared Error (NRMSE)",
      "topics": [
        "calc_nrmse"
      ]
    },
    {
      "page": "calc_nse",
      "title": "Nash-Sutcliffe Efficiency (NSE)",
      "topics": [
        "calc_nse"
      ]
    },
    {
      "page": "calc_r",
      "title": "Pearson Correlation Coefficient (r)",
      "topics": [
        "calc_r"
      ]
    },
    {
      "page": "calc_r2",
      "title": "Coefficient of Determination (R-squared)",
      "topics": [
        "calc_r2"
      ]
    },
    {
      "page": "calc_rmse",
      "title": "Root Mean Squared Error (RMSE)",
      "topics": [
        "calc_rmse"
      ]
    },
    {
      "page": "daylight_hours",
      "title": "Daylight Hours",
      "topics": [
        "daylight_hours"
      ]
    },
    {
      "page": "dew_point_temperature",
      "title": "Dew Point Temperature",
      "topics": [
        "dew_point_temperature"
      ]
    },
    {
      "page": "et0_baier_robertson",
      "title": "Baier-Robertson ET0 Model",
      "concept": [
        "temperature models"
      ],
      "topics": [
        "et0_baier_robertson"
      ]
    },
    {
      "page": "et0_berti",
      "title": "Berti et al. ET0 Model",
      "concept": [
        "temperature models"
      ],
      "topics": [
        "et0_berti"
      ]
    },
    {
      "page": "et0_blaney_criddle",
      "title": "Blaney-Criddle ET0 Model",
      "concept": [
        "temperature models"
      ],
      "topics": [
        "et0_blaney_criddle"
      ]
    },
    {
      "page": "et0_dorji",
      "title": "Dorji et al. ET0 Model",
      "concept": [
        "temperature models"
      ],
      "topics": [
        "et0_dorji"
      ]
    },
    {
      "page": "et0_droogers_allen",
      "title": "Droogers-Allen ET0 Model",
      "concept": [
        "temperature models"
      ],
      "topics": [
        "et0_droogers_allen"
      ]
    },
    {
      "page": "et0_fao_pm",
      "title": "FAO Penman-Monteith Reference Evapotranspiration",
      "topics": [
        "et0_fao_pm"
      ]
    },
    {
      "page": "et0_hargreaves_samani",
      "title": "Hargreaves-Samani ET0 Model",
      "concept": [
        "temperature models"
      ],
      "topics": [
        "et0_hargreaves_samani"
      ]
    },
    {
      "page": "et0_linacre",
      "title": "Linacre ET0 Model",
      "concept": [
        "temperature models"
      ],
      "topics": [
        "et0_linacre"
      ]
    },
    {
      "page": "et0_schendel",
      "title": "Schendel ET0 Model",
      "concept": [
        "temperature models"
      ],
      "topics": [
        "et0_schendel"
      ]
    },
    {
      "page": "et0_tabari_talee1",
      "title": "Tabari-Talaee Model 1 ET0",
      "concept": [
        "temperature models"
      ],
      "topics": [
        "et0_tabari_talee1"
      ]
    },
    {
      "page": "et0_tabari_talee2",
      "title": "Tabari-Talaee Model 2 ET0",
      "concept": [
        "temperature models"
      ],
      "topics": [
        "et0_tabari_talee2"
      ]
    },
    {
      "page": "et0_temp_all",
      "title": "Compute ET0 Using All 10 Temperature-Based Models and FAO Penman-Monteith",
      "topics": [
        "et0_temp_all"
      ]
    },
    {
      "page": "evaluate_models",
      "title": "Evaluate Multiple ET0 Models Against a Reference",
      "topics": [
        "evaluate_models"
      ]
    },
    {
      "page": "extraterrestrial_radiation",
      "title": "Extraterrestrial Radiation",
      "topics": [
        "extraterrestrial_radiation"
      ]
    },
    {
      "page": "jhansi_weather",
      "title": "Sample Meteorological Data from Jhansi, India",
      "topics": [
        "jhansi_weather"
      ]
    },
    {
      "page": "latent_heat",
      "title": "Latent Heat of Vaporization",
      "topics": [
        "latent_heat"
      ]
    },
    {
      "page": "metrics",
      "title": "Statistical Evaluation Metrics for ET0 Models",
      "topics": [
        "metrics"
      ]
    },
    {
      "page": "net_radiation",
      "title": "Net Radiation",
      "topics": [
        "net_radiation"
      ]
    },
    {
      "page": "plot_annual_bar",
      "title": "Annual ET0 Bar Chart",
      "topics": [
        "plot_annual_bar"
      ]
    },
    {
      "page": "plot_monthly_comparison",
      "title": "Monthly Comparison Plot",
      "topics": [
        "plot_monthly_comparison"
      ]
    },
    {
      "page": "plot_scatter",
      "title": "Scatter Plot of Predicted vs Observed ET0",
      "topics": [
        "plot_scatter"
      ]
    },
    {
      "page": "plot_taylor",
      "title": "Taylor Diagram",
      "topics": [
        "plot_taylor"
      ]
    },
    {
      "page": "plots",
      "title": "Visualization Functions for ET0 Model Comparison",
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        "plots"
      ]
    },
    {
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      "topics": [
        "psychrometric_constant"
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    },
    {
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      "title": "Saturation Vapor Pressure",
      "topics": [
        "saturation_vapor_pressure"
      ]
    },
    {
      "page": "slope_vapor_pressure",
      "title": "Slope of Saturation Vapor Pressure Curve",
      "topics": [
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      ]
    },
    {
      "page": "solar_radiation",
      "title": "Solar Radiation (Angstrom)",
      "topics": [
        "solar_radiation"
      ]
    },
    {
      "page": "temperature_models",
      "title": "Temperature-Based ET0 Models",
      "topics": [
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      ]
    }
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      "source": "introduction.Rmd",
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      "title": "Introduction to ET0models (Temperature-Based)",
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      "headings": [
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        "Temperature-Based Models",
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