The permafrost regions of the Tibetan Plateau are distributed in the middle latitudes of China,where the gas hydrate is different from the gas hydrate in sea area and polar permafrost area in existing environment and basic characteristics.The lack of effective exploration technology has become the major technical bottleneck that restricts the investigation and evaluation of natural gas hydrate resources in permafrost regions of China.Supported by National 863 Program,Special Research Project of Ministry of ...