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VDatum is a free software tool being developed jointly by NOAA's National Geodetic Survey (NGS), Office of Coast Survey (OCS), and Center for Operational Oceanographic Products and Services...
Search relevance: 186.64 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 04:22 AM -
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions in the Gulf of Mexico. These integrated...
Search relevance: 67.26 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 01:01 PM -
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions in the Gulf of Mexico. These integrated...
Search relevance: 66.74 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 01:01 PM -
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions in the Gulf of Mexico. These integrated...
Search relevance: 64.20 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 01:01 PM -
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions in the Gulf of Mexico. These integrated...
Search relevance: 64.20 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 01:01 PM -
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions in the Gulf of Mexico. These integrated...
Search relevance: 64.20 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 01:02 PM -
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions in the Gulf of Mexico. These integrated...
Search relevance: 63.86 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 01:02 PM -
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions in the Gulf of Mexico. These integrated...
Search relevance: 63.86 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 01:02 PM -
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions in the Gulf of Mexico. These integrated...
Search relevance: 63.62 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 01:01 PM -
These data are a derived product of the NOAA VDatum tool and they extend the tool's Mean Higher High Water (MHHW) tidal datum conversion inland beyond its original extent. VDatum was designed to...
Search relevance: 61.95 | Views last month: 4 | Catalog Last Checked: August 02, 2026 at 11:33 PM -
Hydrographic sheets (H-sheets) and nautical charts produced by the National Ocean Service (NOS) during the 1800s provide historic sounding (water depth) measurements of coastal areas. The data can...
Search relevance: 58.04 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:36 PM -
Hydrographic sheets (H-sheets) and nautical charts produced by the National Ocean Service (NOS) during the 1800s provide historic sounding (water depth) measurements of coastal areas. The data can...
Search relevance: 58.04 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:23 PM -
Hydrographic sheets (H-sheets) and nautical charts produced by the National Ocean Service (NOS) during the 1800s provide historic sounding (water depth) measurements of coastal areas. The data can...
Search relevance: 57.69 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 09:14 PM -
From June 2 through 9, 2021, the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center (SPCMSC) conducted geophysical surveys to investigate the geologic controls on...
Search relevance: 55.76 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:34 PM -
As sea levels rise, wetlands exposed to oceanic water can adapt to changing conditions through vertical development (i.e., soil surface elevation gains via biophysical feedbacks) and horizontal...
Search relevance: 52.89 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:03 PM -
Topographic data were collected along select erosional features within or adjacent to channels exposed in Fern Ridge Lake, Oregon, in 2023 and 2024 during low pool. Measurements were focused on...
Search relevance: 52.76 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:40 PM -
These data were created as part of the National Oceanic and Atmospheric Administration Office for Coastal Management's efforts to create an online mapping viewer depicting potential sea level rise...
Search relevance: 43.20 | Views last month: 2 | Catalog Last Checked: August 02, 2026 at 11:33 PM -
These data were created as part of the National Oceanic and Atmospheric Administration Office for Coastal Management's efforts to create an online mapping viewer depicting potential sea level rise...
Search relevance: 41.86 | Views last month: 3 | Catalog Last Checked: August 02, 2026 at 11:33 PM -
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
Search relevance: 33.50 | Views last month: 2 | Catalog Last Checked: August 02, 2026 at 11:35 PM -
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
Search relevance: 33.50 | Views last month: 0 | Catalog Last Checked: August 02, 2026 at 11:35 PM
