2010年のスギ花粉前線

概要

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Progress of the Cryptomeria japonica pollen front in 2010 (Fig 1) was monitored by tracking the first day of pollen release using a Durham sampler at 103 sites, and an IS-Rotary sampler at 13 sites, distributed from Kyushu to Hokkaido. Results from the Durham sampler showed that, by late January, the pollen front had reached Nagasaki, the western region of Kyushu, and the southern areas of Kanto. Shortly after, in early to mid February, the front was observed in wider areas from Kanto, Tokai, and the southern regions of the Kii Peninsula, Shikoku, western areas of Chugoku and the whole of Kyushu. In late February, the front had reached the northern regions of Kinki, Hokuriku, the northern regions of Chubu and the southern areas of Tohoku districts. By early to mid March the front had reached central Tohoku and, late in March, it had reached northern Tohoku. The front finally arrived in the western region of Hokkaido by early April.
2010-06-30