id	keyword
iajs-3651	water
iajs-3651	quality
iajs-3651	river
iajs-3651	index
iajs-3651	water quality
iajs-3651	iraq
iajs-3651	tigris
iajs-3651	baghdad
iajs-3651	study
iajs-3651	stations
iajs-3651	parameters
iajs-3651	season
iajs-3651	quality index