id	keyword
american_scientific_journal-8702	climate
american_scientific_journal-8702	data
american_scientific_journal-8702	temperature
american_scientific_journal-8702	change
american_scientific_journal-8702	huambo
american_scientific_journal-8702	precipitation
american_scientific_journal-8702	year
american_scientific_journal-8702	research
american_scientific_journal-8702	figure
american_scientific_journal-8702	average
american_scientific_journal-8702	climate change
american_scientific_journal-8702	vol
american_scientific_journal-8702	africa