Dust Hotspot in the Gobi Desert: A Field Survey in April 2019

The Gobi Desert is a dominant source of dust on the Asian continent. In this study, we analysed characteristics typical Mongolian storm and identified prominent hotspot in Desert. During field survey from Ulaanbaatar (the capital Mongolia) to Dalanzadgad Desert, encountered 28 April 2019, exhibiting distinct wall. head crossed road several kilometres ahead our vehicle. had height 600 m, its structure suggested that was induced by gravity current. We entered front measured maximum wind speed 18.2 m/s visibility less than 10 m. normalized number concentration at 7 μm 59 cm−3. Moreover, Himawari-8 Dust RGB imagery showed occurred an orographic convergence zone. This zone connects two valleys are sandwiched between three mountains Desert: Khangai, Altai, Gurvan Saikhan Mountains. Our results suggest remarkable