关键词: 湖南省, 湖南省, 蒸发量, 时空变化, M-K突变检验, Hurst指数

Abstract: Based on the related data of the Minqin Meteorological Administration, the Water Affairs Bureau, the Forestry Administration and field investigation, the ecology of Minqin oasis were analyzed since the comprehensive treatment of the Shiyang River Basin. The results show that: (1) the dust weather and atmospheric dust-fall decreased obviously; (2) the moving velocity of sand dunes tend to be gentle, advance and retreat speed of the desert decreases, most of the sand dunes and deserts on the edge of the oasis have been effectively controlled; (3) the surface water quantity is increasing annually, the amount of groundwater exploitation and the decline rate of groundwater level decreases obviously, the groundwater level of the key governance area has a certain recovery; (4) the artificial afforestation and the sand pressing area are increasing annually, the vegetation coverage and the forest coverage rate are improved obviously. The ecological deterioration trend of Minqin oasis has been curbed after the comprehensive treatment, and partial region are improved and restored. The comprehensive treatment of Shiyang River Basin achieved remarkable results.