ABoVE:2017 年阿拉斯加和加拿大上空的 AirSWOT 彩色红外图像
【摘要】 ABoVE: AirSWOT Color-Infrared Imagery Over Alaska and Canada, 2017简介该数据集包含 2017 年 7 月 9 日至 8 月 17 日期间在阿拉斯加和加拿大选定的水面收集的分辨率为 1 米的绿色、红色和近红外 (NIR) 数字影像的地理参考三波段正射影像。正射影像由安装在 Beechcraft Super King Air ...
ABoVE: AirSWOT Color-Infrared Imagery Over Alaska and Canada, 2017
简介
该数据集包含 2017 年 7 月 9 日至 8 月 17 日期间在阿拉斯加和加拿大选定的水面收集的分辨率为 1 米的绿色、红色和近红外 (NIR) 数字影像的地理参考三波段正射影像。正射影像由安装在 Beechcraft Super King Air B200 飞机上的 Cirrus Designs 数字相机系统 (DCS) 从大约 8-11 公里的高度收集的单幅图像生成。飞行区域如下:萨斯喀彻温河、萨斯卡通、因努维克、育空河(包括育空平原)、萨加瓦尼克托克河、北极海岸平原、老乌鸦平原、和平-阿萨巴斯卡三角洲、奴河、阿萨巴斯卡河、耶洛奈夫、大奴湖、麦肯齐河和三角洲、达令湖和其他选定地点。在加拿大和阿拉斯加的两次飞行活动中,大多数地点都拍摄了两次图像,飞行方向大致为东南-西北,然后是西北-东南,间隔长达一个月。数据使用研究区域内的 303 个地面控制点(GCP)进行了地理配准。
摘要
File names | Descriptions |
---|---|
DCS_YYYYMMDD_S##*_ChZZZvZZZ_V#.tif | Orthomosaics (330 files) collected between July 9 and August 17, 2017 in GeoTIFF format (.tif) and clipped to the ABoVE “c-level” grid. |
DCS_Index.zip | Polygon shapefile that shows the areas of all the orthomosaics. |
ground_control_points_map.zip | The ground control points (GCPs) used to georeference the orthomosaics, manually digitized from the proprietary Digital Globe EV-WHS image service. The coordinates for the points are found under attributes mapX and mapY. |
ground_control_points_source.zip | The ground control points (GCPs) as they appeared in the original raster files. The coordinates for the points are found under attributes sourceX and sourceY. |
ground_control_points_source_transformed.zip | The ground control points (GCPs) after warping transformation. The coordinates for the points are found under attributes Source_tX and Source_tY. |
ground_control_points.csv | This file is provided for easy georeferencing of the orthomosaics and provides the same data as the shapefiles, however, the variable names (column names) are provided in a longer format. The file provides the ground control points (GCPs), manually digitized from the proprietary Digital Globe EV-WHS image service. The coordinates for the points are found under attributes longitude_map and latitude_map. |
Companion files | |
DCS_YYYYMMDD_S##*_ChZZZvZZZ_V#.kmz | The 330 orthomosaic files are provided in .kmz format for viewing in Google Earth. There is one *.kmz file for each *.tif file. |
ground_control_points_map.kmz ground_control_points_source.kmz ground_control_points_source_transformed.kmz |
Three of the shapefiles are provided in .kmz format for viewing in Google Earth. |
代码
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