Open AccessA review on top-down and bottom-up approach for air pollution studies
Author(s) -
Francis Olawale Abulude,
Moez Bahloul,
Smart Adeleye Olubayode,
Ebenezer Alaba Adeoya
Publication year - 2018
Publication title -
world journal of environmental research
Language(s) - English
Resource type - Journals
ISSN - 2301-2641
DOI - 10.18844/wjer.v7i2.3427
Subject(s) - pollution , deci , apportionment , air pollution , environmental science , computer science , political science , chemistry , ecology , autonomy , organic chemistry , law , biology
It is a well-known fa ct that pollution is a global problem and mus t be holis ticall y ta ckled. In doing this, a dequa te knowledge of the sources of pollution is i mporta nt; therefore, the ai m of this paper is to review source a pportionment wi th reference to top-down and bottom-up methods . In this paper, dispersion modelling, emissions inventory and sa mpling methods are dis cussed. Also, anal yti cal methods invol ved in top -down source apportionment a re mentioned. The two techniques are needed to evalua te pollutants and their sources . Based on these two approa ches , pollution control s tra tegy is developed and decisions can be made on deci ding the ri ght approach to sol ve or reduce the pollution problems .