Table 6 List of all data flags that are added to the time series and attributes table.

From: A Global-Scale Time Series Dataset for Groundwater Studies within the Earth System

Data flags in time series table

Data flags in attributes table

interval (d/ MS/ YS)

year (e.g., 2008)

month (e.g., 2008-02)

aggregated_from_n_values (e.g., 1)

outliers_change_points (True/ False)

plateaus (length of plateau in time steps, e.g., 10)

interval (d/ MS/ YS)

starting_date (e.g., 2010-01-01)

ending_date (e.g., 2013-03-08)

length_years (in years, e.g., 9)

autocorrelation (True/ False)

aggregated_from_n_values_median (e.g., 2)

gap_fraction (e.g., 0.1)

negative_signs_wtd (All/ Some/ No)

outliers_change_points (True/ False)

plateaus (True/ False)

trend_direction (no trend/ increasing/ decreasing)

trend_slope_m_year-1 (e.g., 0.9)

groundwater_mean_m (e.g., 34)

groundwater_median_m (e.g., 34)

[feature_type, purpose, status, description, latitude, longitude, provider_ground_elevation_m_asl, top_of_well_ elevation_m_asl, total_drilling_depth_m, country, address, aquifer_name, confinement, organisation, manager, license, parameter (renamed to ‘reference_point’)]

  1. [The flags in brackets] were already part of the GGMN47 and Groundwater Observation Repository57 datasets.