Yakutsk

MisaylovIvanEvgenievichP. I. Melnikov Permafrost Institute SB RAS, 36 Merzlotnaya St., Yakutsk 677010, Russiaventura-83@mail.ru

Shatz MarkMikhailovichP. I. Melnikov Permafrost Institute SB RAS, 36 Merzlotnaya St., Yakutsk 677010, Russiammshatz@mail.ru

ZheleznyakMikhailNikolaevichP. I. Melnikov Permafrost Institute SB RAS, 36 Merzlotnaya St., Yakutsk 677010, Russiafe@mpi.ysn.ru