technology – Office of Coast Survey

October 3, 2024December 3, 2024

NOAA’s nowCOAST improves BlueTopo access

A screen capture of the BlueTopo data layer displayed in NOAA's nowCOAST showing the entrance to Long Island Sound.

NOAA’s Office of Coast Survey produces and maintains several types of data models and products, from operational forecast systems to nautical charts. One of these models comes from the office’s National Bathymetric Source, or NBS, program which creates and maintains high-resolution bathymetry composed of the best available data. Bathymetry is a term that refers to the depths and shapes of underwater terrain and is a visualization of the “beds” or “floors” of water bodies, including the ocean, rivers, streams, and lakes. This data model is available to the public in a product called BlueTopo.

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August 7, 2023August 8, 2023

NOAA contributes to Empowering Women in Hydrography through at-sea experience, part 4

NOAA Ship Thomas Jefferson tied up at the Port of Galveston before departing for its survey leg.

The Empowering Women in Hydrography project is a global effort led by the International Hydrographic Organization and Canada that seeks to initiate, organize and track a series of activities and initiatives which will enable more women to participate equitably in the field of hydrography and to assume leadership roles within the hydrographic community. NOAA is contributing to the project via an ‘at-sea experience’ on NOAA hydrographic ships for three women each year over the lifespan of the project. After a global call for nominations, three women were selected to join NOAA ships for the 2023 survey season. Lt.j.g. Liezel Bastez, a hydrographer surveyor from the Hydrography Branch under the National Mapping and Resource Information Authority (NAMRIA) of the Philippines, joined NOAA Ship Thomas Jefferson from 27 May to 9 June 2023 while surveying the Gulf of Mexico Galveston, Texas.

June 14, 2023June 15, 2023

NOAA helps develop undergraduate course in lakebed mapping

Grand Traverse Light aerial of Northport Michigan.

As the New Blue Economy grows along with demands for a climate-ready workforce, NOAA is connecting the dots between climate resilience and the need for a workforce skilled in science and technology supporting ocean and coastal mapping. Exposure to key disciplines, from geodesy, oceanography, and science data management to modeling, hydrography and GIS-based cartography, is critical to building robust interest, opportunities and expertise in the government and industry geospatial careers supporting climate resilience. NOAA works with a variety of partners to advance workforce development in these foundational geospatial areas. In particular, hydrography – measuring water depths, locating hazards, and describing the seafloor – is a challenging but exciting field dependent on skilled technicians, surveyors, and scientists to acquire mapping data using state-of-the-art technologies. With only 50% of U.S. coastal, ocean and Great Lakes waters mapped, there is a lot of work to do! Read on to learn about a hydrographic surveying project NOAA is supporting with Northwestern Michigan College in the Great Lakes.

August 20, 2021March 23, 2022

Model Upgrade: Global Extratropical Surge and Tide Operational Forecast System Upgraded to Version Two

Screen captures of two new implementations of version two; federal levees along the Mississippi and flood plain inclusion for Puerto Rico.

In late July 2021, the Global Extratropical Surge and Tide Operational Forecast System (Global ESTOFS) upgrade to version two was implemented into operations on the National Weather Service’s (NWS) Weather and Climate Operational Supercomputing System (WCOSS). The modeling system provides forecast guidance for combined water levels caused by storm surge and tides globally, and is to our knowledge the highest resolution global operational storm surge modeling system available today. The forecast guidance from the model is used by forecasters at NWS Weather Forecast Offices (WFO) and the Ocean Prediction Center to generate their storm surge and flood forecasts during storms, including Nor’easters along the U.S. East Coast.

July 16, 2021March 23, 2022

Learning the ropes aboard a NOAA hydrographic survey vessel

By Natalie Cook

University of New Hampshire’s Center for Coastal and Ocean Mapping and NOAA are giving undergraduate students the opportunity to participate in seafloor mapping and associated exercises aboard a survey vessel this summer. Natalie Cook, a junior in the Ocean Engineering program, is spending eight weeks aboard NOAA Ship Thomas Jefferson, a 208-foot hydrographic survey vessel, experiencing all aspects of hydrography. Natalie is standing survey watch, processing data, working on survey launches, and serving as an active member of the hydrographic survey team.

June 30, 2021March 23, 2022

Collecting aerial images on the Chesapeake’s Western Shore

U.S. Naval Academy bridge crossing the Severn River

By Tom Loeper

Early in the morning of June 15, John Doroba and Tom Loeper met with Anne Arundel Park Ranger Adam Smith to collect aerial oblique images of several rivers on the Western Shore of the Chesapeake Bay. These images will be used to update existing content in the United States Coast Pilot 3, Atlantic Coast: Sandy Hook, New Jersey to Cape Henry, Virginia. In addition to acquiring images, experience gained during the field exercise will be used to update aerial photography specifications in the Coast Pilot manual.

April 28, 2021March 23, 2022

NOAA’s Precision Marine Navigation data service receives first major update

The Precision Marine Navigation (PMN) program has completed the first update of its prototype navigation data service – the PMN data processing and dissemination system and PMN Data Gateway viewer. The data processing and dissemination system provides surface current forecast guidance from NOAA’s forecast systems, in a prototype marine navigation data format. The viewer allows users to visualize the predictions and discover where they are. Both the system and the viewer were updated to include data from the recently upgraded Northern Gulf of Mexico Operational Forecast System (NGOFS2).

April 21, 2021March 23, 2022

Surveying in the Strait of Juan de Fuca during a global pandemic

By Ensign Jessie Spruill and Hydrographic Senior Survey Technician Simon Swart, NOAA Ship Fairweather

Last Thanksgiving, the crew of NOAA Ship Fairweather were busy surveying in one of the country’s busiest waterways. A global maritime entryway to the Pacific Northwest, the Strait of Juan de Fuca sees over 8,000 transits of deep-draft container ships, cargo and chemical carriers, oil tankers, and barges coming to and from Puget Sound and Canada. In addition to industrial shipping, the Strait of Juan de Fuca also supports over 200,000 transits of recreational vessels and Washington State Ferries. Located north of the Olympic Peninsula, the Strait forms the northwestern most border between the contiguous U.S. and Canada. On the American side, the region is home to eight million people including 50 First Nation communities with centuries old cultural ties to traditional fishing.

October 30, 2020

Make your voice heard: Provide input on ocean mapping, exploration, and characterization efforts in the U.S. EEZ

The National Ocean Mapping, Exploration, and Characterization Council (NOMEC Council), a group of federal agencies established to carry out the National Strategy for Mapping, Exploring, and Characterizing the United States Exclusive Economic Zone, requests your input on developing an Implementation Plan and setting strategic priorities for the effort to map the entire U.S. Exclusive Economic Zone (EEZ) by 2040 and explore and characterize strategic areas.

October 8, 2020

Autonomous vessel operations in the Arctic: Lessons learned from the Summer 2020 Mapping Mission

On May 28, 2020, four uncrewed vessels departed Alameda, California, to begin their transit across the Pacific Ocean, through Unimak Pass, across the Bering Sea, and into the Arctic. These small, uncrewed vessels, powered only by wind and sun, arrived at Point Hope, Alaska, in early August to start an ambitious project acquiring new depth data along the 20 and 50 meter depth contours from Point Hope to the Canadian border. This was the start of a challenging Arctic project that would contend with weather, sea ice, and equipment failures, all while avoiding potential conflicts with indigenous subsistence hunting.