gis空间分析原理与方法作业2

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1、GIS空间分析原理与方法作业2地信111班黄宗财25号1、下表是甘肃省近30年各气象站点年均降水量和蒸发量，表中有各站点经纬度坐标数据，自己从网上找一副甘肃省矢量边界地图，将下表数据加入地图中，利用ARCGIS桌面软件的地统计分析功能，对数据进行探索性分析，并根据数据特点，采用至少5种以上的方法对年降水量和蒸发量进行插值制图。（可参考书籍《ARCGIS9空间分析实验教程》第12章）台站经度X/度纬度Y/度海拔/m年降水量/mm年蒸发量/mm安西95.9240.51170.8048.252835.57白银104.5336.61707.20193.721947.97定西104

2、.6335.51908.80413.941538.10古浪102.9037.52072.40358.601756.79和政103.3535.42136.40615.041317.64徽县106.1233.8930.80752.421167.44会宁105.1535.62025.10435.431632.93靖远104.6736.61397.80238.551594.28酒泉98.5239.81477.2087.852005.45兰州103.8836.11517.20316.001410.15礼县105.1334.21410.00503.731318.59临洮103.853

3、5.41886.60554.041229.31临夏103.1835.61917.00502.071282.17玛曲102.0834.03471.40611.781279.50岷县104.1734.42314.60603.661159.48秦安105.9834.71250.00501.671414.59天水105.7534.61131.70540.161277.33天祝松山103.5337.22726.70264.151705.98通渭105.4035.11765.00427.111295.52通渭华家岭104.8335.42450.00513.091303.09武山104

4、.8834.71495.00478.211636.53榆中104.0835.91873.70395.251326.29成县105.7233.8970.00650.141190.00陇南台104.9233.41079.00480.241816.37马鬃山97.0341.81770.0085.793071.70肃北野马街96.8841.62159.00144.382533.30敦煌94.6840.21138.7039.172476.40玉门镇97.0440.31526.0065.322847.66梧桐沟98.6240.71591.0071.883522.76金塔98.9040

5、.01270.2058.572466.44鼎新99.5240.31177.4054.332336.38高台99.8339.41332.20106.331830.97肃南99.6238.82311.80257.211789.57临泽100.1739.21453.70114.532212.45张掖100.4338.91482.70127.492038.38山丹101.0838.81764.60194.902312.37民乐100.8238.52271.00331.091624.50民勤103.0838.61367.00110.572646.17永昌101.9638.21976

6、.10194.421968.57武威102.6737.91530.80163.891936.77乌鞘岭102.8737.23045.10389.901546.97环县107.3036.61255.60541.501676.52西峰107.6435.71421.90573.031450.58平凉106.6235.71346.60521.311427.46灵台107.4035.21360.00645.211388.38静宁105.7235.51650.00466.281430.82文县104.6633.01014.30558.831024.54宕昌104.3834.01753

7、.20621.021275.13临潭103.3534.72810.20515.021471.31甘南102.9035.02915.70545.721208.73郎木寺102.5834.23362.70786.751159.18宁县108.0035.41221.20584.891401.28合水太白108.6336.11111.70574.001440.26解：对空间数据进行探索性分析。其探索分析方法有直方图、正态QQ图、Voronoi图、趋势分析和半变异函数云图。（1）直方图。选择需要分析的属性，则就显示直方图分布情况，并在右