Time is spent pre-trip reviewing and analyzing bottom contour bathymetric charts
on his chart plotter looking for canyons, mountains and humps that have sharp rises or drops.
Jeppesen's new High Resolution Bathymetry charts are superior to standard cartography and other competitive products-and are even a major advancement over previous C-MAP bathymetric charts
for the region.
Jeppesen's latest release of C-MAP 4D and C-MAP MAX electronic charts includes a new Value Added Database of High-Resolution Bathymetric charts for all five of the Great Lakes.
These new High-Resolution Bathymetric charts will provide Lake Ontario's professional guides and sport fishermen with unparalleled visual representation of bottom contours and structure, while empowering pleasure cruisers, sailors and all navigators with the enhanced boating experience that comes with a greater understanding of the underwater topography beneath their boats.
Two detailed nineteenth century bathymetric charts
and eight detailed twentieth century bathymetric charts
of the James River between Hog Island and Newport News Point were used for computer analysis.
For decades, bathymetric charts
were artistically assembled from broadly spaced profiles.
A look at bathymetric charts
tacked up inside the observatory explains the scientists' concern.
The new system is designed for the collection, storage, and management of soundings, and for the production of bathymetric charts and S57 digital formats.
In addition, MGE-based modules for hydrographic data management and special digital formats provide a workflow that allows the extraction of select sounding data from the Oracle8i database, the extraction of features from other related sources, and their final elaboration for production of a new bathymetric chart or S57 digital format.
When bathymetric charts
went digital, it was only a matter of time before someone cracked the code to allow customizable, anytime updates.
A story in July's issue of FS, "The Numbers Game," featured the online bathymetric charts
that can help you find bottom fishing spots.
Maptech's product Chart Navigator Pro contains contour 3D bathymetric charts
, as well as topo maps of U.