Science and Technology Daily reporter Li LiyunHow to draw a more accurate distribution map of permafrost with climate warming and permafrost degradation to provide data support for cold region engineering? Professor Shan Wei's team from the Cold Region Science and Engineering Research Institute of Northeast Forestry University has completed a 30 meter resolution map of the distribution and spatiotemporal changes of permafrost in Northeast China. The relevant results have recently been published in international journals such as "Sustainable Development" and "Applied Science"...