Fig 1.
Location map of the study area (image source: ArcGIS base map from http://services.arcgisonline.com/arcgis/services).
Fig 2.
Methodological flowchart—Water Footprint of crops from remote sensing data and empirical approach.
Table 1.
Season and crop wise length of the growth period (lgp) and Kc values (given in parenthesis) taken from [32].
Table 2.
Details of the meteorological parameters during the study period (December 2015 to December 2016).
Table 3.
Experimental field soil and irrigation water electrical conductivity.
Table 4.
Season-wise crop water requirement (CWR) of carrot and silage maize.
Fig 3.
Actual versus predicted yield for the two crops.
Table 5.
The accuracy of the developed crop yield models.
Table 6.
Field and season wise actual applied water, crop water use (CWU), leaching fraction and Landsat-8 predicted CWUblue.
Fig 4.
Landsat-8 derived yield, CWU and WF of silage maize cultivated in TE-11 and PAL fields.
Fig 5.
Landsat-8 derived yield, CWU and WF of silage maize cultivated in TE-2 and TE-9 fields.
Fig 6.
Landsat-8 derived yield, CWU and WF of carrot crop cultivated in the field number 3–5.
Fig 7.
Landsat-8 derived yield, CWU and WF of carrot crop cultivated in the field number 5–5.
Table 7.
The water footprint (WF) of silage maize and carrot crops.
Table 8.
Obtained and reported WF values.
Fig 8.
Remote sensing versus empirical approach based estimated blue component of WF (WFBlue): (A) silage corn and (B) carrot crops.