In order to estimate the present-day pollution levels in the ecosystem of the Selenga River Delta and to monitor the changes caused by the discharge of household refuse and industrial wastes,as well as the functioning...In order to estimate the present-day pollution levels in the ecosystem of the Selenga River Delta and to monitor the changes caused by the discharge of household refuse and industrial wastes,as well as the functioning of the agricultural and stock farming,a comprehensive study of the water and bottom sediments in the main branches of the Selenga River Delta was carried out.This study has determined the concentrations of heavy metals in river water and bottom sediments in its delta.展开更多
In this paper primary(i.e.,n-alkanes,PAHs,levoglucosan,and phthalates) and secondary organic aerosols(i.e.,dicarboxylic acids) are reviewed on a molecular level for their spatial distribution of concentrations over Ea...In this paper primary(i.e.,n-alkanes,PAHs,levoglucosan,and phthalates) and secondary organic aerosols(i.e.,dicarboxylic acids) are reviewed on a molecular level for their spatial distribution of concentrations over East Asia.Differences in the abundances and sources of those organic aerosols between China and India are further presented,along with a discussion on climate effect(e.g.,CCN activity and radiative forcing) of organic aerosols in the atmosphere.展开更多
基金The Russian Fundamental Investigations Fund RFFI,No.05-05-97279No.05-05-97267
文摘In order to estimate the present-day pollution levels in the ecosystem of the Selenga River Delta and to monitor the changes caused by the discharge of household refuse and industrial wastes,as well as the functioning of the agricultural and stock farming,a comprehensive study of the water and bottom sediments in the main branches of the Selenga River Delta was carried out.This study has determined the concentrations of heavy metals in river water and bottom sediments in its delta.
文摘In this paper primary(i.e.,n-alkanes,PAHs,levoglucosan,and phthalates) and secondary organic aerosols(i.e.,dicarboxylic acids) are reviewed on a molecular level for their spatial distribution of concentrations over East Asia.Differences in the abundances and sources of those organic aerosols between China and India are further presented,along with a discussion on climate effect(e.g.,CCN activity and radiative forcing) of organic aerosols in the atmosphere.