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

Table 6

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

Zone	2010	2011	2012	Variation of area	Variation amplitude
Erosion depression zone	1,254.4	1,257.5	1,360.9	106.5	8.5%
Sand deposition zone	4,831.4	6,079.8	6,562.3	1,730.9	35.8%
Total area	6,085.8	7,337.3	7,923.2	1,837.4	30.2%