Dynamic Changes of Typical Blowouts Based on High-Resolution Data: A Case Study in Hulunbuir Sandy Land, China

Table 2

Changes in ​​saucer blowout area (unit: m²).

Zone	2010	2011	2012	Variation of area	Variation amplitude
Erosion depression zone	362.7	382.1	385.5	22.8	6.3%
Sand deposition zone	669.6	962.0	967.1	297.5	44.4%
Total area	1,032.3	1,344.1	1,352.6	320.3	31.0%