@article{MA Zhuguo_275, author = {MA Zhuguo, DAN Li, HU Yuewen}, title = {The extreme dry/wet events in northern China during recent 100 years}, publisher = {Journal of Geographical Sciences}, year = {2004}, journal = {Journal of Geographical Sciences}, volume = {14}, number = {3}, eid = {275}, pages = {275-281}, keywords = {

monthly precipitation;air temperature;surface humid index;climate;extreme dryness

}, url = https://www.geogsci.com/EN/abstract/article_22502.shtml }