数据来源与署名

Source of 3D Elevation Program (3DEP) data: U.S. Geological Survey

produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved

The organisations in charge of the Copernicus programme by law or by delegation do not incur any liability for any use of the Copernicus WorldDEM-30

ArcticDEM terrain data DEM(s) were created from DigitalGlobe, Inc., imagery and funded under National Science Foundation awards 1043681, 1559691, and 1542736;

Australia terrain data © Commonwealth of Australia (Geoscience Australia) 2017;

Austria terrain data © offene Daten Österreichs – Digitales Geländemodell (DGM) Österreich;

Canada terrain data contains information licensed under the Open Government Licence – Canada;

Europe terrain data produced using Copernicus data and information funded by the European Union - EU-DEM layers;

Global ETOPO1 terrain data U.S. National Oceanic and Atmospheric Administration

Mexico terrain data source: INEGI, Continental relief, 2016;

New Zealand terrain data Copyright 2011 Crown copyright (c) Land Information New Zealand and the New Zealand Government (All rights reserved);

Norway terrain data © Kartverket;

United Kingdom terrain data © Environment Agency copyright and/or database right 2015. All rights reserved;

United States 3DEP (formerly NED) and global GMTED2010 and SRTM terrain data courtesy of the U.S. Geological Survey.

© OpenStreetMap contributors. Available under the Open Database License.

© OpenStreetMap contributors, Overture Maps Foundation

This product (Printed Canyon Watershed posters) incorporates data from the HydroSHEDS version 1 database which is © World Wildlife Fund, Inc. (2006-2022) and has been used herein under license. WWF has not evaluated the data as altered and incorporated within Printed Canyon Watershed posters, and therefore gives no warranty regarding its accuracy, completeness, currency or suitability for any particular purpose. Portions of the HydroSHEDS v1 database incorporate data which are the intellectual property rights of © USGS (2006-2008), NASA (2000-2005), ESRI (1992-1998), CIAT (2004-2006), UNEP-WCMC (1993), WWF (2004), Commonwealth of Australia (2007), and Her Royal Majesty and the British Crown and are used under license. The HydroSHEDS v1 database and more information are available at https://www.hydrosheds.org.

Lehner, B., Grill G. (2013): Global river hydrography and network routing: baseline data and new approaches to study the world’s large river systems. Hydrological Processes, 27(15): 2171–2186. Data is available at www.hydrosheds.org.

Source of National Hydrography Dataset (NHD) data: U.S. Geological Survey

Made with Natural Earth.

National Park Service

Hoffleit D., Warren Jr W.H., 1991, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), Astronomical Data Center, NSSDC/ADC

Constellation lines adapted from d3-celestial by Olaf Frohn, based on the IAU constellation charts produced by the IAU in collaboration with Sky & Telescope magazine (Roger Sinnott and Rick Fienberg), with constellation patterns by Alan MacRobert. The charts are released under the Creative Commons Attribution 4.0 International license (https://creativecommons.org/licenses/by/4.0/).

Copyright (c) 2015, Olaf Frohn

All rights reserved.

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DE421 ephemeris: NASA Jet Propulsion Laboratory

© Mapbox

© OpenStreetMap

© OpenStreetMap contributors