Processed Landsat Scenes (16 bit) are Level 1Gt NLAPS scenes converted to 16 bit, processed with sun-angle correction, and converted to reflectance values (Bindschadler 2008). Each Landsat scene is processed with elevation data and sun-angle correction to ensure surface features ...
Get More Accurate Elevation Measurements With Google Earth Pro Not every contour line has an elevation listed, so Google Maps only provides you a rough estimate of elevation. For more accurate measurements, you'll need todownload Google Earth Pro. This program shows a lot more details than Googl...
Roadway elevation data is critical for a variety of transportation analyses. However, it has been challenging to obtain such data and most roadway GIS databases do not have them. This paper intends to address this need by proposing a method to extract roadway elevation data from Google Earth (...
Google purchased Keyhole in 2004, and with that acquisition it obtained Earth Viewer 3D, which it improved and distributed free to the public starting in 2005. Get your free copy of Google Earth using the blue button below.Google Sky, Mars and Moon If you enjoy Google Earth, you might also...
Google Earth Engine——GTOPO30: Global 30 Arc-Second Elevation全球数字高程模型(DEM),水平网格间距为30角秒(约1公里)。 GTOPO30: Global 30 Arc-Second Elevation GTOPO30 is a global digital elevation model (DEM) with a horizontal grid spacing of 30 arc seconds (approximately 1 kilometer). The DEM...
Google Earth Engine ——数据全解析专辑(US NED mTPI (生态相关地貌(ERGo)270m分辨率数据集) The mTPI distinguishes ridge from valley forms. It is calculated using elevation data for each location subtracted by the mean elevation within a neighborhood. mTPI uses moving windows of radius (km): 115.8...
Google Earth Engine ——数据全解析专辑(DEM-S: Australian Smoothed Digital Elevation Model)澳大利亚1弧秒 DEM! The Smoothed Digital Elevation Model (DEM-S) was derived from the SRTM data acquired by NASA in February 2000. DEM-S represents ground surface topography (excluding vegetation features) ...
varhist_option={title:"Histogram of Elevation in Kansas",colors:["#9932CC"],is3D:true}hist=hist.setOptions(hist_option);print(hist); 可以看到,将可视化参数放入一个单独的参数中,效果与前述代码一致。另外,这里还加入了一个is3D参数,是配置绘图结果是否为3D效果的参数;但这个参数对于饼图等比较有效,...
Google Earth Engine ——GLDAS-2.0是用更新的普林斯顿全球气象强迫数据集基于MODIS的地表参数数据集 Global Land Data Assimilation System (GLDAS) ingests satellite and ground-based observational data products. Using advanced land surface modeling and data assimilation techniques, it generates optimal ...
Earth Engine Snippet: Topographic 2.2.0¶ var elevation = ee.ImageCollection("projects/sat-io/open-datasets/landfire/topographic/ELEV");var aspect = ee.ImageCollection("projects/sat-io/open-datasets/landfire/topographic/ASP");var slope_degrees = ee.ImageCollection("projects/sat-io/open-datasets/la...