發(fā)布時間：2018-04-15 12:04

  本文選題：遙感 + 城市擴展��； 參考：《南方農(nóng)業(yè)》2015年33期

【摘要】：主要應(yīng)用遙感圖像處理軟件ERDAS IMAGINE及地理信息系統(tǒng)軟件Arc GIS,以不同時期(1990、2002、2006年)南寧市的遙感圖像為數(shù)據(jù)源,利用遙感影像處理軟件ERDAS對遙感圖像進行圖像配準(zhǔn)、裁剪、分類以及提取邊界等步驟,得到南寧市3個時期的城市建成區(qū)遙感影像分類圖。把分類后的圖像導(dǎo)入Arc GIS軟件,進行矢量化處理;用Arc GIS軟件的測量工具測量3個時期建成區(qū)的面積;把3個時期的矢量圖劃分成八個方向(東、東北、北、西北、西、西南、南和東南),并測量各個時期各個方向的建成區(qū)面積。統(tǒng)計南寧市1990、2002、2006年的建成區(qū)面積及其各個方向的建成區(qū)面積,計算和分析南寧市擴展速度和擴展方向;結(jié)合南寧市的其他方面信息,對未來南寧市擴展情況做簡單的預(yù)測。
[Abstract]:The remote sensing image processing software ERDAS IMAGINE and the GIS software Arc GIS are mainly used as data sources for remote sensing images of Nanning City in different periods (1990 / 2002, 2006). The remote sensing image processing software ERDAS is used to register and cut remote sensing images.Classification and boundary extraction are used to obtain the classification map of the remote sensing image of three periods in Nanning city.The classified images are imported into the Arc GIS software for vectorization processing; the area of the three period areas is measured with the measuring tools of the Arc GIS software; and the vector maps of the three periods are divided into eight directions (east, northeast, north, northwest, west, southwest, east, northeast, north, northwest, west, southwest, east, northeast, north, northwest, west, southwest).The south and southeast of the area, and measured in all directions of each period of the area of the built-up area.According to the statistics of Nanning City in 1990 / 2002 and 2006, the area of the built area and the area of each direction are calculated and analyzed, and the expansion speed and direction of Nanning City are calculated and analyzed, and the future expansion of Nanning City is simply forecasted in the light of other aspects of Nanning City's information.
【作者單位】： 廣西桂林市林業(yè)設(shè)計院;廣西國有黃冕林場;
【分類號】：P237;P208;F299.27

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本文編號：1754035