Hydrosheds database

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August undefined, 2024

WebABSTRACT. We examine groundwater recharge processes and their relationship to rainfall intensity in the semi-arid, southwestern Lake Chad Basin of Nigeria using a newly compiled database of stable isotope data (δ 2 H, δ 18 O) from groundwater and rainfall. δ 18 O signatures in groundwater proximate to surface waters are enriched in 18 O relative to … WebData 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 …

Interactive Database of the World

WebHydroSHEDS provides seamless hydrographic data products including catchment boundaries, river networks, and lakes. The various existing sub-datasets are consistent … WebTheHydroSHEDSdatabase was derived from raw SRTM data at 3arcsec pixel resolution (approximately 90m at the equator) through the application of hydrological conditioning in a sequence of correction steps (Lehner, 2013) which resulted in a glob- ally consistent suite of grid layers which were subsequently upscaled to a resolution of 15arcsec … the royal fleet club

Environmental open GIS data for the Caribbean countries

WebThe Groundwater database consists of more than 850,000 records of wells, springs, test holes, tunnels,drains, and excavations in the United States. Available site descriptive information includes well location information such as latitude and longitude, well depth, and aquifer. The USGS annually monitors groundwater levels in thousands of wells ... Webfor river and stream reaches rather than sub-basins. The geospatial units for both databases, i.e., sub-basin polygons and river reach line segments, respectively, have been derived from the global hydrographic database HydroSHEDS (Lehner et al. 2008) at a spatial resolution of 15 arc-seconds (~500 m at the equator). LakeATLAS Web9 dec. 2024 · The HydroATLAS database is expected to create novel opportunities of multi-variable statistical assessments or model-based analyses for a mix of theoretical and … tracy consbruck garden city ks

A Global Dynamic Long-Term Inundation Extent Dataset at High

WebThis dataset was created for the generation of GRDC map products and will be updated from time to time whenever extensions are required by future GRDC projects. At present the dataset comprises the GIS layers of GRDC Major River Basins 2024, GRDC Major River Networks 2024 and GRDC Major Rivers 2007. Distributions (0) Link to the data Format WebThe HydroBASINS database is freely available for scientific, educational and commercial use. The data are distributed under the same license agreement as the HydroSHEDS … the royal floridianWeb3 mrt. 2024 · Derived from long-term historical and contemporary social, economic, cultural, political, environmental and institutional processes, disaster risk and disasters are directly linked to power structures and political and economic systems (Wisner et al., 2004). The forensic investigation (FORIN) approach frames hazard, exposure and vulnerability as … tracy construction company

"WebWildlife Fund’s HydroSHEDS database (Lehner et al. 2008; Lehner and Grill 2013) a grid at resolution of 15 arc-seconds (approx. 500 m at the equator). For more information please … " - Hydrosheds database

Hydrosheds database

Updating the Register of International River Basins of the world

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 … Web6 apr. 2024 · In response to these limitations, a team of scientists have developed the HydroSHEDS, a database and mapping representation of the world’s rivers that provide the research community with...

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WebImage by Author. 7. Dissolving into five generic land-use categories · Land_use code processing (to create five generic land-use categories) As mentioned earlier, each land use has a unique 3-digit code The first digit represents the main class and the other two ones represent sub-classes. WebHydroRIVERS. HydroRIVERS represents a vectorized line network of all global rivers that have a catchment area of at least 10 km² or an average river flow of at least 0.1 m³/sec, …

WebThe HydroSHEDS dataset includes a 3-arc-second hydrologically conditioned DEM (one for which spurious sinks have been filled and drainage has been enforced along mapped hydrographic networks) and a flow direction grid for most land areas of the globe from 60°S. to 60°N. at the 3-arc-second resolution of the SRTM data, but it does not include … WebThe HydroSHEDS database and more information are available at http://www.hydrosheds.org. Contact points: Metadata Contact: Elga Salvadore Responsible Party: Elga Salvadore Resource Contact: Center U.S. Geological Survey Earth Resources Observation and Science (EROS) Data lineage: The dataset is obtained by clipping the …

WebIt should be noted that the quality of HydroSHEDS data is significantly inferior for regions above 60 degrees northern latitude as there were no high-resolution elevation data … Web22 okt. 2024 · By contrast, for the HydroSHEDS database, only large rivers and lakes were burned into the original DEM. The resolution of their released river network and watershed is at 15 arc-second (approx ...

WebThis page currently provides downloads for the latest version 1.1 of HydroSHEDS, and will be updated when data from the upcoming HydroSHEDS v2 is released. Data format and …

Webderived from HydroSHEDS data at 15 second resolution . Technical Documentation Version 1.c (with and without inserted lakes) prepared by Bernhard Lehner ... The HydroSHEDS database (Hydrological data and maps based on SHuttle Elevation Derivatives; Lehner et al. 2008; for more information the royal florist walnutWeb7 feb. 2024 · There are a couple of different open source datasets that are available. The most well known is the Hydrosheds database, which is a river database derived from the digital elevation model of the Shuttle Radar Topography Mission (SRTM) at a pixel resolution of 3 arc-seconds. The data was generated using a mixture of optimisation … tracy conoverWeb11 jul. 2024 · HYDRO1k is a geographic database developed to provide comprehensive and consistent global coverage of topographically derived data sets, including streams, … tracy constructionWebHydroWASTE is a spatially explicit global database of 58,502 wastewater treatment plants (WWTPs) and their characteristics. This database was developed by combining national … tracy constantineWebThe attributes are linked to hierarchically nested sub-basins at multiple scales, as well as to individual river reaches, both extracted from the global HydroSHEDS database at 15 arc-second (~500 ... tracy coogleWeb11 aug. 2024 · River Network clipped to area of interest for UNEP project: "« CONSOLIDATION DE LA PAIX DANS LA ZONE FRONTALIERE DU NORD-EST DE LA COTE D’IVOIRE, PAR LE BIAIS D’UNE GESTION PARTICIPATIVE ET PLANIFIEE DES RESSOURCES NATURELLES » (PBF GPRN)" HydroSHEDS (RIV) - River Network at … tracy consultingWebglobal river network database HydroSHEDS (Lehner et al., 2008) was established.Literature estimates of lake depths and/or volumes were compiled for all lakes ≥ 500 km. 2. To predict average lake depths and volumes for smaller lakes, a geostatistical model based on surrounding land surface topography was develop (Messaged er et al. … tracy considine