INFLUENCE OF WEATHER ON ACIDS IN RAINFALL. 



87 



The Influence of Weather Conditions upon the Amounts of 

 Nitrogen Acids in the Rainfall and Atmosphere in Australia. — 

 Interim Report of the Goynmittee, consisting of Professor 

 Orme Masson {Chairman), Mr. V. G. Anderson {Secretary), 

 Mr. D. Avery, and Mr. H. A. Hunt, appointed for the 

 Investigation thereof. 



The work undertaken by this Eesearch Committee is a continuation of 

 the work commenced by Mr. V. G. Anderson, who has shown in a 

 paper read before tTie Chemistry Section at Melbourne, and pubhshed 

 in the ' Quarterly Journal of the Eoyal Meteorological Society ' (Vol. 

 xli. , April 1915, pp. 99-116), that certain relations exist between the 



An Outline Map of Australia, showing approximate positions of Collecting 



Stations, 1915. 



amounts of nitric and nitrous acids in the rainfall, and the weather 

 conditions prevailing at the time the rain-water is collected. Anderson's 

 investigations were confined to rain-water collected near Melbourne, 

 but in the present work it was thought advisable to collect samples of 

 the rainfall from all parts of Australia. With this end in view this 

 Committee has expended the grant entrusted to it in establishing series 



