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vikyd committed Sep 5, 2017
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# 深圳填海卫星图



# 1973 年卫星图
- 年份:1973 年
- 卫星:Landsat 1
- 传感器:MSS
- 坐标系统:WGS_1984_UTM_zone_49N
- 分辨率:60m*60m
- 格式:GeoTIFF
- 下载:https://earthexplorer.usgs.gov/browse/gisready/mss/LM11310441973359AAA05?did=335087495



# 2016 年卫星图
- 年份:2016 年
- 卫星:Landsat 8
- 传感器:OLI + TIRS 合成
- 坐标系统:WGS_1984_UTM_zone_49N
- 分辨率:30m*30m
- 格式:GeoTIFF
- 下载:https://earthexplorer.usgs.gov/browse/gisready/landsat_8/LC08_L1TP_122044_20160918_20170321_01_T1?did=335089046



# 图片文件
- pdf 文件是一个多图层文件,可方便只看某年份卫星图,或叠加两年份对比查看
- png 是原始清晰度的图片(但不带地理坐标参考信息),`1973 vs 2017GoogleMap.png`放大查看更好



# 软件
- ArcMap
- ArcGoogle(ArcMap 插件,查看 Google 地图):http://ungdungmoi.com/arcgoogle.htm



# 更多卫星图下载
- 美国地质调查局 USGS:https://glovis.usgs.gov/



# 为什么选择 Landsat 卫星图像?
- 免费下载
- 带精确地理坐标
- 1972 年 至 今 一直有图像数据
- Landsat 1 卫星发射于 1972 年,若还有更早的且可免费获取的卫星图像,请告诉我(issue)


#
- Landsat 卫星图像的命名规则
- https://landsat.usgs.gov/what-are-naming-conventions-landsat-scene-identifiers
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