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T1 National Reports on Atmospheric Deposition of Contaminants into the Marine and Coastal Environment in NOWPAP Region - POMRAC Technical Report No. 1
A1 United Nations Environment Programme, 
K1 marine pollution
K1 coastal area
K1 Asia and the Pacific
K1 pollution
K1 coastal environment
SN 7444-1868-7
YR 2006
FD 2006
LK https://wedocs.unep.org/handle/20.500.11822/26242
UL https://wedocs.unep.org/handle/20.500.11822/26242
NO This report presents the overall national activities on the research for atmospheric deposition of contaminants in Japan and the monitoring data collected within the NOWPAP region, together with the regional background on natural and social/economical conditions. The annual average precipitation of the region is around 1,800 mm and seasonal winds from Eurasia cause heavy snowfalls in winter. The population of 33.67 million in the region consisting of 16 prefectures accounts for 26.4% of the national population. A population density of 193 persons/km2 in the region is rather small compared to the national population density of 340 persons/km2. Only four prefectures in the region surpass the national annual average value for industrial output of 2.02 million yen per capita.
DS UN Environment Document Repository
RD Sep 18, 2026