2000~2011年毛乌素沙地植被生长状况时空变化特征

闫峰, 吴波, 王艳姣

Spatial and Temporal Variations of Vegetation Growth Status in Mu Us Sandy Land in 2000-2011

Feng YAN, Bo WU, Yan-jiao WANG

表1 2000~2011年不同EVI距平等级面积所占百分比

Table 1 Percentages of EVI departure areas with different levels in 2000-2011

年代 (年) 面积占总面积百分比(%) ΔEEVI <-0.2 -0.2≤ΔEEVI<-0.1 -0.1≤ΔEEVI<0 ΔEEVI=0 0<ΔEEVI≤0.1 0.1<ΔEEVI≤0.2 ΔEEVI >0.2 2000 0.023 1.198 80.507 0.006 17.954 0.272 0.040 2001 0.018 1.341 88.235 0.005 10.248 0.138 0.016 2002 0.006 0.194 39.251 0.014 59.448 1.050 0.037 2003 0.006 0.153 54.552 0.016 44.912 0.338 0.024 2004 0.001 0.112 47.656 0.017 51.618 0.516 0.079 2005 0.001 0.154 49.602 0.019 50.021 0.194 0.010 2006 0.004 0.203 53.068 0.017 46.440 0.257 0.012 2007 0.003 0.118 42.840 0.020 56.633 0.356 0.030 2008 0.003 0.146 48.959 0.018 50.540 0.322 0.012 2009 0.002 0.074 34.403 0.016 64.779 0.692 0.033 2010 0.004 0.115 23.581 0.014 75.648 0.589 0.050 2011 0.017 0.292 36.925 0.015 62.050 0.652 0.049