Attribution and source notices
NOAA ETOPO 2022
NOAA National Centers for Environmental Information. 2022: ETOPO 2022 Global Relief Model. DOI: 10.25921/fd45-gt74. ETOPO 2022 is made available with a CC0 public-domain dedication. Not for navigation.
Natural Earth
Natural Earth vector data are in the public domain.
HydroRIVERS / HydroSHEDS
Lehner, B. and 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. HydroRIVERS is distributed under the HydroSHEDS license. Downloading and using it indicates acceptance of that license.
HydroLAKES
Messager, M. L., Lehner, B., Grill, G., Nedeva, I., and Schmitt, O. (2016). Estimating the volume and age of water stored in global lakes using a geo-statistical approach. Nature Communications 7, 13603. CC-BY-4.0.
EarthByte / GPlates
EarthByte GPlates sample datasets are CC-BY-3.0. Cite the original references listed by EarthByte for the specific feature collections, including Matthews et al. (2016) and Müller et al. (2016) where applicable.
NOAA PSL NCEP/DOE Reanalysis-2
NCEP/DOE Reanalysis-2 data provided by the NOAA Physical Sciences Laboratory, Boulder, Colorado, USA. Acknowledge NOAA PSL in publications and distributed work.