Hydrosheds数据库

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August undefined, 2024

WebHydroSHEDS HydroSHEDS Core layers (version 1) The core data products of HydroSHEDS are a series of gridded datasets at different spatial resolutions. They are … Web11 feb. 2000 · HydroSHEDS is a mapping product that provides hydrographic information for regional and global-scale applications in a consistent format. It offers a suite of geo …

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WebHYDRO1K是在USGS最近发布的GTOPO30的数据上再处理得到的产品，HydroSHEDS数据是在3弧秒精度的SRTM高程数据基础上，采用现有的数据改进方法和新研究的改进算法得到的产品，这些数据均为网格形数据。 WebFeatures. Hydrologic Functions: flowdir : Generate a flow direction grid from a given digital elevation dataset. catchment : Delineate the watershed for a given pour point (x, y). accumulation : Compute the number of cells upstream of each cell; if weights are given, compute the sum of weighted cells upstream of each cell. ovation game changer brace

Google Earth Engine——WWF/HydroSHEDS/03VFDEM该数据集的 …

Web11 feb. 2000 · HydroSHEDS is a mapping product that provides hydrographic information for regional and global-scale applications in a consistent format. It offers a suite of geo … WebHydroSHEDS are detailed in the data set’s technical documentation [Lehner et al., 2006]. Several of the procedures used in developing VOLUME 89 NUMBER 10 4 MARCH 2008 PAGES 93–104 Eos, Vol. 89, No. 10, 4 March 2008 EOS, TRANSACTIONS, AMERICAN GEOPHYSICAL UNION PAGES 93–94 WebGlobal hydrographic information for regional and global applications Since its introduction in 2008, the HydroSHEDS databasehas transformed large-scale hydro-ecological research and applications worldwide by offering standardized spatial units … ovation garment bags

Google Earth Engine——WWF/HydroSHED该数据集根据15角秒（ …

Web16 okt. 2024 · HydroSHEDS是一个制图产品，以一致的格式为区域和全球范围的应用提供水文信息。它提供了一套不同尺度的地理参考数据集（矢量和栅格），包括河流网络、流 … Web19 mrt. 2024 · HydroATLAS数据库分为三个不同的子数据集。 BasinATLAS、RiverATLAS和LakeATLAS，分别代表子流域的划分（多边形）、河网（线）和湖岸线（多边形）。 HydroATLAS总共包含100万个子流域、850万条河流和140万个湖泊。 HydroATLAS是通过对来自现有全球数据集的广泛的水文环境属性进行汇编和重新格式化，以一种一致和有组 … ovation gc057mWeb25 mei 2024 · ©著作权归作者所有：来自51cto博客作者此星光明的原创作品，请联系作者获取转载授权，否则将追究法律责任 ovation gallatin tn

"Web‍The HydroSHEDS database provides freely available global digital data layers in support of hydro-ecological research and applications worldwide. Its various hydrographic data … These elevation data are currently processed to extract HydroSHEDS v2 at … HydroSHEDS data products are provided in three broad categories: core products … The different HydroSHEDS products are used in a broad variety of research … Below is a list of frequently asked questions. If you cannot find the … The HydroSHEDS v1 network depicted in the figure below (in regions north of … If you have a question about using HydroSHEDS products, please visit our … HydroSHEDS v1 has been developed by and on behalf of World Wildlife Fund … hydrosheds does not represent or warrant that the site, the site materials, data, or … " - Hydrosheds数据库

Hydrosheds数据库

Web15 mei 2024 · Working with Hydrosheds. Step 1: Download the 30sec SHAPE: Drainage Basins (Beta) for Asia. step 2: Download the administrative boundaries for Indonesia. Step 3: Use the clip function in ArcMap or QGIS to clip the watersheds within the country. Step 4: Make a subset of all watersheds larger than 50 Sqm2 and save it as a layer. Web11 feb. 2000 · HydroSHEDS is a mapping product that provides hydrographic information for regional and global-scale applications in a consistent format. It offers a suite of geo-referenced datasets (vector and raster) at various scales, including river networks, watershed boundaries, drainage directions, and flow accumulations. HydroSHEDS is …

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Web4 jan. 2024 · 常用且质量较高的科研数据集分享. 01. 数据集介绍. 关于数据集统计的介绍：目前按照自己研究中掌握和涉及到的数据集，统计了以下常用并且质量较好的数据集，涵盖大气、水文、生态、地质、基础地理、自然资源、社会经济等多个方面。. 02. 数据集下载. 1 ... WebHydroSHEDS offers a suite of geo-referenced data sets, including stream networks, watershed boundaries, drainage directions, and ancillary data layers such as flow accumulations, distances, and river topology information.

WebHYDROBASIN WITH NOLAKE EUROPE AND AFRICA HydroSHEDS is derived primarily from elevation data of the Shuttle Radar Topography Mission (SRTM) at 3 arc-second resolution. SRTM data were used in different versions and processing stages, including SRTM-3 unfinished data; DTED-1 finished data; and CGIAR void-filled SRTMv2 data.

Web7 okt. 2024 · HydroSHEDS是一种地图产品，它以一致的格式为区域和全球范围的应用程序提供水文信息。 HydroSHEDS 由 WWF保护科学计划与美国地质调查局、国际热带农业中 … Web9 dec. 2024 · HydroSHEDS数据集提供全球水文数据，由WWF（世界自然基金会 (WWF)上的GIS数据集）和USGS美国地质调查局合作开发，HydroSHEDS数据可免费用于非商业和商业用途。 HydroSHEDS数据可免费用于非商业和商业用途。数据主要包括以下四个栏目： HydroBASINS（分水岭、流域数据） HydroRIVERS（河流数据） HydroLAKES（湖泊 …

Web9 jul. 2024 · HydroSHEDS proporciona productos de datos hidrográficos continuos que incluyen límites de cuencas, redes fluviales y lagos. Los diversos subconjuntos de datos existentes son consistentes a través...

Web1 dag geleden · Hidrografía Colombiana - IDEAM y SiGaia. description: Zonificación hidrográfica de Colombia a escala 1:500.000 elaborada por Fernando Salazar Holguín, Subdirector de Ecosistemas e Información Ambiental del IDEAM, entre 2005 y 2008, con el apoyo, criterios y lineamientos de la Dirección General y la Subdirección de Hidrología, a … ovation gc28WebHydroSHEDS提供了一套不同尺度的地理参考数据集（矢量和栅格），包括河网、流域边界、排水方向和流量累积。. HydroSHEDS 基于 2000 年美国宇航局航天飞机雷达地形任 … raleigh ccw classesWeb15 okt. 2024 · HydroSHEDS是一个制图产品，以一致的格式为区域和全球范围的应用提供水文信息。它提供了一套不同尺度的地理参考数据集（矢量和栅格），包括河流网络、流域边界、排水方向和流量积累 … ovation gablesWebData is available at www.hydrosheds.org. Default Visibility: true MaxRecordCount: 1000 Supported Query Formats: JSON, AMF, geoJSON Min Scale: 0 Max Scale: 0 Supports Advanced Queries: false Supports Statistics: false Has Labels: false Can Modify Layer: true Can Scale Symbols: false Use Standardized Queries: true Supports Datum … ovation gamesWeb7 apr. 2024 · HydroSHEDS offers a suite of geo-referenced data sets (vector and raster), including stream networks, watershed boundaries, drainage directions, and ancillary data layers such as flow accumulations, distances, and river topology information. raleigh ccbiWebHydroSHEDS is a mapping product that provides hydrographic information for regional and global-scale applications in a consistent format. It offers a suite of geo-referenced … ovation gcxtWebRivers of Europe. The rivers of Europe dataset is derived from the World Wildlife Fund's (WWF) HydroSHEDS drainage direction layer and a stream network layer. The source of the drainage direction layer was the 15-second Digital Elevation Model (DEM) from NASA's Shuttle Radar Topographic Mission (SRTM). The raster stream network was determined ... raleigh cctv