Table 2 Overview of variables included in the dataset on the national water footprints of crop production.
Variable | Unit | Description | |
|---|---|---|---|
1 | crop_code | Crop code | |
2 | crop_name | Crop name | |
3 | country_code | Country code | |
4 | country_name | Country name | |
5 | year | yr | Year of harvest (crop can be planted and harvested in different years) |
6 | harvarea_ha | ha yr−1 | National harvested area |
7 | irrigated_harvarea_fraction | Fraction of harvested area under irrigation | |
8 | production_t | t yr−1 | National crop production |
9 | crop_yield_t_ha | t ha−1 yr−1 | Crop yield |
10 | wfg_m3_t | m3 t−1 yr−1 | Green unit water footprint |
11 | wfb_cr_m3_t | m3 t−1 yr−1 | Blue unit water footprint from capillary rise |
12 | wfb_i_m3_t | m3 t−1 yr−1 | Blue unit water footprint from irrigation |
13 | wf_tot_m3_t | m3 t−1 yr−1 | Total unit water footprint (sum of 10–12) |