NOAA ETOPO 2022 GLOBAL RELIEF MODEL NOTICE

CaptainCalc includes an offline ocean-relief preview derived from the
ETOPO 2022 15 Arc-Second Global Relief Model.

Source and requested citation:
NOAA National Centers for Environmental Information. 2022:
ETOPO 2022 15 Arc-Second Global Relief Model.
DOI: 10.25921/fd45-gt74.
https://www.ncei.noaa.gov/products/etopo-global-relief-model

NOAA-produced United States Government data are not subject to copyright
protection in the United States. NOAA should be credited as the source.
Use of the data does not imply NOAA endorsement.

The CaptainCalc preview is for decision support and visual context only.
It is not a nautical chart and must not be used for navigation.