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 based on elevation data obtained in 2000 by NASA's Shuttle Radar
Topography Mission (SRTM).
This hydrologically conditioned elevation dataset is
the result of an iterative conditioning and correction process.
Note that the conditioning process alters the original DEM and
may render it incorrect for applications other than deriving drainage
directions. Endorheic basins (inland sinks) are ''seeded'' with
a no-data cell at their lowest point in order to terminate the
flow. Full details of the underlying digital elevation model are
available in the HydroSHEDS website and documentation.
This dataset is at 3 arc-second resolution. The datasets available
at 3 arc-seconds are the Void-Filled DEM, Hydrologically Conditioned
DEM, and Drainage (Flow) Direction.
There are two areas with incorrect negative values of -100
close to Vancouver, Canada around (50.16, -123.85) and Australia
(-14.96, 129.62)
Bands
Pixel Size 92.77 meters
Bands
Name
Units
Min
Max
Pixel Size
Description
b1
m
-440*
8527*
meters
Elevation
* estimated min or max value
Terms of Use
Terms of Use
HydroSHEDS data are free for non-commercial and commercial
use. For more information, please refer to the License Agreement.
Citations
Citations:
Lehner, B., Verdin, K., Jarvis, A. (2008): New global hydrography
derived from spaceborne elevation data. Eos, Transactions, AGU,
89(10): 93-94.
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 based on elevation data obtained in 2000 …
[null,null,[],[[["\u003cp\u003eHydroSHEDS provides hydrographic information like river networks and watershed boundaries at various scales, globally.\u003c/p\u003e\n"],["\u003cp\u003eThis dataset is a hydrologically conditioned elevation model derived from SRTM data and is best suited for drainage analysis.\u003c/p\u003e\n"],["\u003cp\u003eIt's available at a 3 arc-second resolution (approximately 92 meters) and covers the globe with elevation data.\u003c/p\u003e\n"],["\u003cp\u003eHydroSHEDS data is free for both non-commercial and commercial use under its license agreement.\u003c/p\u003e\n"],["\u003cp\u003eWhile generally accurate, there are two known areas with incorrect negative elevation values near Vancouver, Canada, and Australia.\u003c/p\u003e\n"]]],[],null,["# WWF HydroSHEDS Hydrologically Conditioned DEM, 3 Arc-Seconds\n\nDataset Availability\n: 2000-02-11T00:00:00Z--2000-02-22T00:00:00Z\n\nDataset Provider\n:\n\n\n [WWF](https://www.hydrosheds.org/)\n\nTags\n:\n[conditioned](/earth-engine/datasets/tags/conditioned) [dem](/earth-engine/datasets/tags/dem) [elevation](/earth-engine/datasets/tags/elevation) [geophysical](/earth-engine/datasets/tags/geophysical) [hydrography](/earth-engine/datasets/tags/hydrography) [hydrology](/earth-engine/datasets/tags/hydrology) [hydrosheds](/earth-engine/datasets/tags/hydrosheds) [srtm](/earth-engine/datasets/tags/srtm) [surface-ground-water](/earth-engine/datasets/tags/surface-ground-water) [topography](/earth-engine/datasets/tags/topography) [water](/earth-engine/datasets/tags/water) [wwf](/earth-engine/datasets/tags/wwf) \n\n#### Description\n\nHydroSHEDS is a mapping product that provides hydrographic\ninformation for regional and global-scale applications in a consistent\nformat. It offers a suite of geo-referenced datasets (vector and\nraster) at various scales, including river networks, watershed\nboundaries, drainage directions, and flow accumulations. HydroSHEDS\nis based on elevation data obtained in 2000 by NASA's Shuttle Radar\nTopography Mission (SRTM).\n\nThis hydrologically conditioned elevation dataset is\nthe result of an iterative conditioning and correction process.\nNote that the conditioning process alters the original DEM and\nmay render it incorrect for applications other than deriving drainage\ndirections. Endorheic basins (inland sinks) are ''seeded'' with\na no-data cell at their lowest point in order to terminate the\nflow. Full details of the underlying digital elevation model are\navailable in the HydroSHEDS website and documentation.\n\nThis dataset is at 3 arc-second resolution. The datasets available\nat 3 arc-seconds are the Void-Filled DEM, Hydrologically Conditioned\nDEM, and Drainage (Flow) Direction.\n\nThere are two areas with incorrect negative values of -100\nclose to Vancouver, Canada around (50.16, -123.85) and Australia\n(-14.96, 129.62)\n\n### Bands\n\n\n**Pixel Size**\n\n92.77 meters\n\n**Bands**\n\n| Name | Units | Min | Max | Pixel Size | Description |\n|------|-------|--------|--------|------------|-------------|\n| `b1` | m | -440\\* | 8527\\* | meters | Elevation |\n\n\\* estimated min or max value\n\n### Terms of Use\n\n**Terms of Use**\n\nHydroSHEDS data are free for non-commercial and commercial\nuse. For more information, please refer to the [License Agreement](https://www.hydrosheds.org/page/license).\n\n### Citations\n\nCitations:\n\n- Lehner, B., Verdin, K., Jarvis, A. (2008): New global hydrography\n derived from spaceborne elevation data. Eos, Transactions, AGU,\n 89(10): 93-94.\n\n### Explore with Earth Engine\n\n| **Important:** Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, both for public benefit and for business and government users. Earth Engine is free to use for research, education, and nonprofit use. To get started, please [register for Earth Engine access.](https://console.cloud.google.com/earth-engine)\n\n### Code Editor (JavaScript)\n\n```javascript\nvar dataset = ee.Image('WWF/HydroSHEDS/03CONDEM');\nvar elevation = dataset.select('b1');\nvar elevationVis = {\n min: -50.0,\n max: 3000.0,\n gamma: 2.0,\n};\nMap.setCenter(-121.652, 38.022, 8);\nMap.addLayer(elevation, elevationVis, 'Elevation');\n```\n[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/WWF/WWF_HydroSHEDS_03CONDEM) \n[WWF HydroSHEDS Hydrologically Conditioned DEM, 3 Arc-Seconds](/earth-engine/datasets/catalog/WWF_HydroSHEDS_03CONDEM) \nHydroSHEDS 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 based on elevation data obtained in 2000 ... \nWWF/HydroSHEDS/03CONDEM, conditioned,dem,elevation,geophysical,hydrography,hydrology,hydrosheds,srtm,surface-ground-water,topography,water,wwf \n2000-02-11T00:00:00Z/2000-02-22T00:00:00Z \n-67.3 -180 60 180 \nGoogle Earth Engine \nhttps://developers.google.com/earth-engine/datasets\n\n- [](https://doi.org/https://www.hydrosheds.org/)\n- [](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/WWF_HydroSHEDS_03CONDEM)"]]
