Gobi Desert it is also located on a plateau roughly above sea level, which contributes to its low temperatures. An average of approximately of rain falls annually in the Gobi. Additional moisture reaches parts of the Gobi in winter as snow is blown by the wind from the Siberian Steppes. These winds may cause the Gobi to reach in winter to in summer. However, the climate of the Gobi is one of great extremes, combined with rapid changes of temperature of as much as . These can occur not only seasonally but within 24 hours. In southern Mongolia, the temperature has been
Environmental issues in China the country. Approximately 30% of China's surface area is desert. China's rapid industrialization could cause this area to drastically increase. The Gobi Desert in the north currently expands by about per year. The vast plains in northern China used to be regularly flooded by the Yellow River. However, overgrazing and the expansion of agricultural land could cause this area to increase. In 2009, it was estimated that over 200 high-altitude lakes in Zoigê Marsh, which provides 30% of the Yellow River's water, had dried up. In 2001, China initiated a "Green Wall of China" project. It is a project to