id	keyword
american_scientific_journal-2062	land
american_scientific_journal-2062	use
american_scientific_journal-2062	changes
american_scientific_journal-2062	land use
american_scientific_journal-2062	sensing
american_scientific_journal-2062	remote
american_scientific_journal-2062	cover
american_scientific_journal-2062	area
american_scientific_journal-2062	journal
american_scientific_journal-2062	study
american_scientific_journal-2062	forest
american_scientific_journal-2062	data
american_scientific_journal-2062	classification