A horizontal reference line, either fore and aft (base line) or transverse (transverse baseline), used for taking vertical measurements. The base line is perpendicular to the vertical center line. For instance, in the process of hydrographic surveying, the water depth at each station is measured vertically from the base line, providing essential information for navigation and coastal management.
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Want to learn more about life on the water? Check out one of these books:
No Limits: The Will to Succeed
$11.49 (as of December 11, 2024 08:39 GMT -06:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Barbarian Days: A Surfing Life (Pulitzer Prize Winner)
$13.53 (as of December 11, 2024 08:39 GMT -06:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
