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前言 由于传播、利用此文所提供的信息而造成的任何直接或者间接的后果及损失，均由使用者本人负责，文章作者不为此承担任何责任。（本文仅用于交流学习） 系统服务提权 低权限用户可以检查"Authenticated Users"组和"INTERACTIVE"组对系统服务的权限。 "Authenticated Users"组：经过身份验证的用户，但不包括来宾账户 组：包含所有直接登录到计算机进行操作的用户。 不安全的服务权限 如果低权限用户可以对一些高权限服务启动时的文件有写权限，那么就可以将其替换
1.5K40编辑于 2023-03-30 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
Google Earth Engine ——数据全解析专辑（SRTM Digital Elevation Data Version 4）数字高程数据集
The Shuttle Radar Topography Mission (SRTM) digital elevation dataset was originally produced to provide consistent, high-quality elevation data at near global scope. This version of the SRTM digital elevation data has been processed to fill data voids, and to facilitate Elevation -444 8806 90 meters m 数据说明 未经 CIAT 明确书面许可，禁止用户进行任何商业、非免费转售或再分发。 代码： var dataset = ee.Image('CGIAR/SRTM90_V4'); var elevation = dataset.select('elevation'); var slope
53110编辑于 2024-02-02 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
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 Elevation -73.31 2224.32 Meters 引用： Geoscience Australia, 2015. Digital Elevation Model (DEM) of Australia derived from LiDAR 5 Metre Grid. ('elevation'); var elevationVis = { min: -10.0, max: 1300.0, palette: [ '3ae237', 'b5e22e', , elevationVis, 'Elevation');
31610编辑于 2024-02-02 - 来自专栏python与大数据分析
关于flask入门教程-ajax+echarts实现地图热力图
, 33.0133554], 'elevation': 1055.45}], [{'coord': [113.1279331, 27.83095331], 'elevation': 1274.8}], 'elevation': 1227.9}]]; //data=[[{'coord': [106.9235642, 27.72917731], 'elevation': , 33.0133554], 'elevation': 1055.45}], [{'coord': [113.1279331, 27.83095331], 'elevation': 1274.8}], , 29.56583775], 'elevation': 7894.24}], [{'coord': [105.1700283, 37.51627081], 'elevation': 169.23}], , 23.04980324], 'elevation': 1065.9}], [{'coord': [103.7153675, 27.34166893], 'elevation': 379.62}],
68130编辑于 2022-03-11 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
Google Earth Engine ——数据全解析专辑（CPOM/CryoSat2/ANTARCTICA_DEM）南极洲10m精度DEM数据集
南极洲DEM数据 This dataset is a digital elevation model (DEM) of the Antarctic ice sheet and ice shelves based The DEM is formed from spatio-temporal fits to elevation measurements accumulated within 1, 2, and 5 Antarctic ice sheet and ice shelf elevation. meters data_composition Data processing method of elevation slope Slope derived from elevation gradient. degrees z_smoothed Smoothed version of elevation model using a median filter. meters z_uncertainty Certainty of elevation model derived from RMS of elevation residuals
28610编辑于 2024-02-02 - 来自专栏气python风雨
siphon：如何获取美国实时雷达三级产品
=49.0, latitude=60.78, longitude=-161.87, name='ANCHORAGE/Bethel'), 'ABR': Station(id='ABR', elevation =397.0, latitude=45.45, longitude=-98.4, name='ABERDEEN/Aberdeen'), 'ABX': Station(id='ABX', elevation , latitude=64.5, longitude=-165.28, name='FAIRBANKS/Nome'), 'AHG': Station(id='AHG', elevation=74.0, =4.0, latitude=25.6, longitude=-80.4, name='MIAMI/Miami'), 'APD': Station(id='APD', elevation=790.0, latitude=65.03, longitude=-147.5, name='FAIRBANKS/Pedro_Dome'), 'APX': Station(id='APX', elevation=
72810编辑于 2024-06-20 - 来自专栏二猫の家
GEE下载研究区DEM代码
var dataset = ee.Image('USGS/SRTMGL1_003'); var elevation = dataset.select('elevation'); var data = (roi); // 使用roi对高程数据进行裁剪 print(SA_DEM,'elevation'); Map.addLayer(SA_DEM,{min:0,max:3000},'StudyArea maxPixels:1e13 }); 如果你想要下载研究区范围内的矩形区域的图像，可以用下面的代码 var dataset = ee.Image('USGS/SRTMGL1_003'); var elevation = dataset.select('elevation'); var data = ee.FeatureCollection("projects/ee-1261423515/assets/EHE") (roi); // 使用roi对高程数据进行裁剪 print(SA_DEM,'elevation'); Map.addLayer(SA_DEM,{min:0,max:3000},'StudyArea
63510编辑于 2023-10-16 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
Google Earth Engine——WWF/HydroSHEDS/03VFDEM该数据集的分辨率为3弧秒。3角秒的数据集是虚空填充DEM、水文条件DEM和排水（流）方向
HydroSHEDS is based on elevation data obtained in 2000 by NASA's Shuttle Radar Topography Mission (SRTM This void-filled elevation dataset is the first step towards producing the conditioned DEM datasets. The ocean was set to an elevation of 0 meters, and lakes, islands, and rivers were filled using other is significantly lower for regions above 60 degrees northern latitude as there is no underlying SRTM elevation , elevationVis, 'Elevation');
40410编辑于 2024-02-02 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
Google Earth Engine——USGS National Elevation Dataset 国家高程数据集（NED）曾经是*美国地质调查局的主要高程数据产品。NED是一个无缝数据集
USGS National Elevation Dataset 1/3 Arc-Second The National Elevation Dataset (NED) used to be* the primary elevation data product of the USGS. the 3D Elevation Program became operational. /NED'); var elevation = dataset.select('elevation'); var elevationVis = { min: 0.0, max: 4000.0, gamma: 1.6, }; Map.setCenter(-100.55, 40.71, 5); Map.addLayer(elevation, elevationVis, 'Elevation')
33610编辑于 2024-02-02 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
Google Earth Engine——Arctic北极DEM是一个数字表面模型（DSM），描绘了包括植被、树冠、建筑物和其他人造表面特征在内的第一回的高程值，2米/5米分辨率
代码： var dataset = ee.ImageCollection('UMN/PGC/ArcticDEM/V2/2m'); var elevation = dataset.select('elevation /V2/5m'); var elevation = dataset.select('elevation'); var elevationVis = { min: -50.0, max: 1000.0 /V3/2m'); var elevation = dataset.select('elevation'); var elevationVis = { min: -50.0, max: 1000.0 /V3/2m_mosaic'); var elevation = dataset.select('elevation'); var elevationVis = { min: -50.0, max , elevationVis, 'Elevation');
37010编辑于 2024-02-02 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
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 Collection Snippet Copied ee.Image("USGS/GTOPO30") Bands Table Name Description Min* Max* Resolution Units elevation Elevation -407 8752 927.67 meters Meters * = Values are estimated 代码： var dataset = ee.Image('USGS/ GTOPO30'); var elevation = dataset.select('elevation'); var elevationVis = { min: -10.0, max: 8000.0 , gamma: 1.6, }; Map.setCenter(11.69, 43.9, 4); Map.addLayer(elevation, elevationVis, 'Elevation');
53310编辑于 2024-02-02 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
Google Earth Engine（GEE）——全球哥白尼数字高程模型（GLO-30 DEM）
Copernicus Digital Elevation Model (DEM) - Registry of Open Data on AWS 原始瓦片与相邻的瓦片共享一行或一列，其尺寸为3601×3601 有关具体数据信息可以查看这个： Copernicus Digital Elevation Model datasets 数据引用： Copernicus Digital Elevation Model data var visualized = ee.ImageCollection([ // Mask the elevation to get only land elev.mask(ocean.not scriptPath=users/sat-io/awesome-gee-catalog-examples:elevation-bathymetry/COPERNICUS_GLO30 Earth Engine comparison app: glob-elevation License GLO-30 Public is available on a free basis for the general public
1.9K10编辑于 2024-02-02 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
Google Earth Engine—ETOPO1是一个1弧分的地球表面全球浮雕模型，整合了陆地地形和海洋测深。它是由许多全球和区域数据集建立的。它包含两个高程带：冰面和基岩。
It contains two elevation bands: ice_surface and bedrock. ETOPO1是一个1弧分的地球表面全球浮雕模型，整合了陆地地形和海洋测深。 Resolution 1855 meters Bands Table Name Description Min* Max* Units bedrock Elevation at ground level and at the base of the Antarctic and Greenland ice sheets -10898 8271 Meters ice_surface Elevation at ETOPO1 1 Arc-Minute Global Relief Model 代码： var dataset = ee.Image('NOAA/NGDC/ETOPO1'); var elevation , elevationVis, 'Elevation');
80410编辑于 2024-02-02 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
Google Earth Engine（GEE）——argument ‘input‘: Invalid type. Expected type: Image＜unknown bands＞错误
Units are degrees, range is [0,90). var slope = ee.Terrain.slope(elevation); // Calculate aspect. Units are degrees where 0=N, 90=E, 180=S, 270=W. var aspect = ee.Terrain.aspect(elevation); // Display Arguments: input (Image): An elevation image, in meters. Arguments: input (Image): An elevation image, in meters. = esa.select('DEM'); print("elevation ",elevation ) var elevationVis = { min: 0, max: 2500, palette
50510编辑于 2024-02-02 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
Google Earth Engine——加拿大数字高程模型（CDEM）是加拿大自然资源部（NRCan）测高系统的一部分，源于现有的加拿大数字高程数据（CDED）
The Canadian Digital Elevation Model (CDEM) is part of Natural Resources Canada's (NRCan) altimetry system and stems from the existing Canadian Digital Elevation Data (CDED). Elevation -226 5944 Meters * = Values are estimated 代码： var dataset = ee.ImageCollection('NRCan/CDEM '); var elevation = dataset.select('elevation'); var elevationVis = { min: -50.0, max: 1500.0, , elevationVis, 'Elevation');
34210编辑于 2024-02-02 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
Google Earth Engine——该数字高程模型 (DEM) 由 ASTER 和 SPOT-5 DEM 的组合构建而成，用于冰盖外围和边缘（即平衡线高程以下）以南约 82.5°N，以及冰盖内部
This Digital Elevation Model (DEM) is constructed from a combination of ASTER and SPOT-5 DEM's for the ice sheet periphery and margin (i.e. below the equilbrium line elevation) south of approximately 82.5 Note All land elevation data is horizontally and vertically registered to average ICESat elevations for Elevation 30 meters Meters 数据引用： Howat, I.M., A. , 76.0, 4); Map.addLayer(elevation, elevationVis, 'Elevation');
40230编辑于 2024-02-02 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
GEE错误——影像加载过程中出现的图层无法展示的解决方案
=ee.Join.saveAll("match").apply(elevation,elevation,ee.Filter.withinDistance({distance:300, leftField :'.geo', rightField: '.geo', maxError:100})) elevation=ee.ImageCollection(elevation).map(function(im =elevation.mosaic() // 可视化图层 Map.addLayer(elevation.select('DEM'), elevationVis, 'DEM mosaic'); Map.addLayer (elevation.select('slope'), {min: 0, max: 45, palette: ['blue', 'green', 'yellow', 'orange', 'red']}, ) //进行核函数聚类处理的TPI指数 var TPI=elevation.select('DEM').subtract(elevation.select('DEM').convolve(ee.Kernel.circle
90610编辑于 2024-02-02 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
Google Earth Engine——南极洲高程模型（REMA）2米和8米的空间分辨率数据集
镶嵌后REMA数据 The Reference Elevation Model of Antarctica (REMA) is a high resolution, time-stamped Digital Elevation meters 数据说明： 美国国家科学基金会（PGC的主要资金来源）的政策要求研究人员在所有出版物、网页和媒体采访中承认NSF的支持。 -J., and Morin, P.: The Reference Elevation Model of Antarctica, The Cryosphere, 13, 665-674, 2019. TC - The Reference Elevation Model of Antarctica 代码： var mosaic = ee.Image('UMN/PGC/REMA/V1_1/8m'); Map.setCenter(85, -75, 3); var elevationVis = { bands: ['elevation'], min: -50.0, max: 1000.0,
51210编辑于 2024-02-02 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
Google Earth Engine ——数据全解析专辑（AHN Netherlands 0.5m DEM, Interpolated）荷兰0.5m 点云平方逆距离加权方法DEM！
Collection Snippet ee.Image("AHN/AHN2_05M_RUW") Resolution 0.5 meters Bands Table Name Description Units elevation Elevation Meters 代码： var dataset = ee.Image('AHN/AHN2_05M_RUW'); var elevation = dataset.select('elevation var elevationVis = { min: -5.0, max: 30.0, }; Map.setCenter(5.76583, 51.855276, 16); Map.addLayer(elevation , elevationVis, 'Elevation'); 点云数据相比于之前的数据更加真实
17310编辑于 2024-02-02 - 来自专栏GEE数据专栏，GEE学习专栏，GEE错误集等专栏
Google Earth Engine——南极洲参考高程模型（REMA）是一个高分辨率、有时间戳的南极洲数字表面模型（DSM），具有2米和8米的空间分辨率
The Reference Elevation Model of Antarctica (REMA) is a high resolution, time-stamped Digital Surface Elevation meters 使用说明： National Science Foundation (PGC’s primary funding source) policy requires researchers -J., and Morin, P.: The Reference Elevation Model of Antarctica, The Cryosphere, 13, 665-674, 2019. TC - The Reference Elevation Model of Antarctica 代码： var mosaic = ee.Image('UMN/PGC/REMA/V1_1/8m'); Map.setCenter(85, -75, 3); var elevationVis = { bands: ['elevation'], min: -50.0, max: 1000.0,
45810编辑于 2024-02-02
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