Lakes survey for acidification monitoring
2007
Aga, H.(Hokkaido. Inst. of Environmental Sciences, Sapporo (Japan))
The selected seven lakes in Hokkaido were surveyed on the water quality to find the monitoring sites aimed at early detection of lake acidification. As the result, two lakes, the Lake Tachibana in Noboribetsu City and the Lake Komadome in Shikaoi Town, were found that they are poor in acid buffering capacity, and easily detectable in effects of acid deposition due to their low ionic concentrations. The acid buffering capacities of these two lakes are as low as those of the Lake Kokkuri we are monitoring now and the three lakes whose acid buffering capacities are especially low among the lakes in the acidification monitoring program of the Ministry of Environment. Thus it was recommended that the acidification monitoring at new two lakes should be also started.
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