以甘肃省临夏市1998—2008年耕地面积的土地利用变更调查数据为基础,采用头脑风暴法、趋势分析法、一元线性回归法、移动平均法、GM(1,1)模型法对临夏市历年的耕地面积的变化情况进行分析,并得出移动平均法更适用于临夏市周边具有相似地貌特征地域的耕地量的预测,为临夏市未来耕地的变化提供了一种较为可靠的预测模型.
Based on land use changing data of 1998 to 2008 in Linxia City of Gansu Province,five methods,such as brainstorming method,trend analysis approach,simple linear regression,moving average method and GM(1,1) method,are used to analyse the change of calendar year on cultivated land.The moving average method is the best to forecast plow land surround the area of Linxia City with similar geomorphological features.On this basis,a reliable prediction model is given to forecast plow land future changing in Linxia City.