摘要
通过对大庆市1988年、1992年、1996年、2001年和2006年每年二景TM影像数据的分析,提取出大庆市土地盐碱化信息数据,利用GIS的空间叠加功能对大庆市盐碱化土地进行时空变化特征分析,得出1996～2001年和2001～2006年大庆市土地盐碱化程度,并据此实践分析产生盐碱化土地的原因及提出相关的改进措施。得出低洼易涝盐碱地发展水田、轻中度盐碱化低产耕地退耕还草、轻中度盐碱化草地围栏封育及重度盐碱化草地人工种草的分类治理对策。
Through analysis of TM image data in 1988,1992,1996,2001 and 2006a we analysis the characteristics of time and space several of the Stalinization of land in Daqing on the information which exerted from the information of salinizational land and the use of GIS overly function.The results show that during 2001-2006a and the 1996-2001a in Daqing,according to these analysis the reasons for the Stalinization of land and related improvements.Integrate the research and production of practical experience,it put forward to developed the low-lying easy water logging saline-alkali soil into the paddy fields,developed the mild Stalinization to farmland,mild Stalinization land moderate to turf and fencing and the severe salinizational land to plant artificial grass.The different one treat with the different methods.
出处
《云南地理环境研究》
2011年第4期95-100,共6页
Yunnan Geographic Environment Research
