id	keyword
american_scientific_journal-7967	rainfall
american_scientific_journal-7967	burkina
american_scientific_journal-7967	data
american_scientific_journal-7967	drought
american_scientific_journal-7967	faso
american_scientific_journal-7967	variability
american_scientific_journal-7967	figure
american_scientific_journal-7967	areas
american_scientific_journal-7967	years
american_scientific_journal-7967	number
american_scientific_journal-7967	days