Zhang wu, doctor, born in 1960, professor, deputy director of the key laboratory of the ministry of education for semi-arid climate change, member of the national technical committee for standardization of meteorological instruments and observation methods, and vice chairman of the weather modification committee of the meteorological society of gansu province.In 1982, he graduated from lanzhou university with a bachelor of science degree in meteorology.Received master of science degree from lanzhou university in 1990;In 2004, I received my doctor's degree in science from lanzhou university.University of Maryland visiting scholar October 2007 to May 2009.He has been engaged in the teaching and research of atmospheric radiation and atmospheric remote sensing, aerosol comprehensive observation and its climate effect, cloud physics and artificial influence on weather and atmospheric environment.