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HydroSHEDS has been developed by the Conservation Science Program of World Wildlife Fund (WWF), hereafter referred to as “authors”, in partnership with the U.S. Geological Survey (USGS), the International Centre for Tropical Agriculture (CIAT), The Nature Conservancy (TNC), and the Center for Environmental Systems Research (CESR) of the University of Kassel, Germany.

Users may apply HydroSHEDS for non-commercial purposes. Any modification of the original data by users must be noted. The authors of HydroSHEDS may request reprints of publications and copies of derived materials. The user shall not reproduce, convert, (re)publish, (re)distribute, (re)broadcast, (re)transmit, sell, rent, lease, sublicense, lend, assign, time-share, or transfer, in whole or in part, or provide unlicensed third parties access to the data and related materials without explicit written permission from the authors. HydroSHEDS has been generated through the extensive use and incorporation of data products provided by various other authors (see “Data sources” and “Data set development”). The data and related materials may thus contain proprietary and confidential property of these authors and/or their licensor(s). HydroSHEDS data and related materials are protected by United States copyright or sui generis laws and applicable international copyright treaties and/or conventions.

The data and any related materials contained therein are provided “as is,” without warranty of any kind, either express or implied, including, but not limited to, the implied warranties of merchantability, fitness for a particular purpose, noninterference, system integration, or noninfringement. The entire risk of use of the data shall be with the user. The user expressly acknowledges that the data may contain some nonconformities, defects, or errors. The authors do not warrant that the data will meet the user's needs or expectations, that the use of the data will be uninterrupted, or that all nonconformities, defects, or errors can or will be corrected. The authors are not inviting reliance on these data, and the user should always verify actual data.

In no event shall the authors be liable for costs of procurement of substitute goods or services, lost profits, lost sales or business expenditures, investments, or commitments in connection with any business, loss of any goodwill, or for any direct, indirect, special, incidental, exemplary, or consequential damages arising out of the use of the data and any related materials, however caused, on any theory of liability, and whether or not the authors have been advised of the possibility of such damage. These limitations shall apply notwithstanding any failure of essential purpose of any exclusive remedy.

Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Please note that some information contained in this data set and documentation may be preliminary in nature and presented prior to final review and approval by the Director of the USGS.

We kindly ask users to cite HydroSHEDS in any published material produced using this data. If possible, please provide online links to for general information, and/or for data download and technical information.

Citations should be made as follows:
Lehner, B., Verdin, K., Jarvis, A. (2008): New global hydrography derived from spaceborne elevation data. Eos, Transactions, AGU, 89(10): 93-94.

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Page Last Modified: March 20, 2008