NGS taught a Maryland Master Naturalist class on coastal geomorphology, wetlands, and habitat resiliency in the face of sea level rise to showcase the use of a high-accuracy vertical control network...
more
At the request of Alabama's Troy University Surveying and Geomatics Sciences Department, NGS measured a new
Electronic Distances Measuring Instruments Calibration Base Line (CBL) in Brundidge, Alabama. NGS provided guidance for mark setting and other preparations...
more
NOAA's Navigation Services programs welcomed representatives of Cuba's National Office of Hydrography and Geodesy (ONHG) to Silver Spring this week to pursue collaboration on issues outlined in the
NOAA-ONHG Memorandum of Understanding. Representatives from both agencies reviewed, revised, and are poised to approve a new international chart-the first cooperative charting product between the U.S. and Cuba during the modern era...
more
NGS hosted a tour of two sites in the
Chesapeake Bay Sentinel Site Cooperative- Jug Bay Wetland Sanctuary and Smithsonian Environmental Research Center- for more than a dozen NOAA scientists, managers, and educators to show high-accuracy geospatial infrastructure...
more
Senior researchers from the National Geodetic Survey (NGS) and the Center for Operational Oceanographic Products and Services (CO-OPS) met with their Canadian counterparts at the 101st Meeting of the Coordinating Committee on Great Lakes Basic Hydraulic and Hydrologic Data in Burlington, Vermont. They discussed the draft plan...
more
NGS developed a new educational video in collaboration with The COMET ® Program to add to its growing video library suite. "NOAA's
VDatum: Transforming Heights between Vertical Datums,"...
more
NGS served as a subject matter expert on wetland resiliency at a regional workshop in Cape Charles, VA. The workshop brought together scientists who use
Surface Elevation Table (SET) technology to monitor wetland elevation changes in sites oughout the Chesapeake Bay...
more
NGS's Alaska Regional Geodetic Advisor attended the National Park Service's (NPS) Centennial Science and Stewardship Symposium in Fairbanks, Alaska, to participate in outreach events highlighting the role of geodesy in the NPS...
more
NGS has completed the transition from a primarily state geodetic advisor program, which covered only 24 participating states, to a new regional advisor program that covers the entire United States across 14 regions...
more
On October 7, NGS began collecting post-Hurricane Matthew aerial oblique imagery along the Atlantic coast from Key Largo, FL, to Cape Henry, VA. By October 12, nearly 5,200 images covering more than 1,200 square miles were collected...
more
NGS and the National Institute of Standards and Technology are co-hosting a North American Comparison of Absolute Gravimeters at NOAA's
Table Mountain Gravity Observatory in Boulder, CO. Twelve Gravimeters - instruments that measure the difference in the force of gravity from one place to another...
more
The National Geodetic Survey (NGS) and Center for Operational Oceanographic Products and Services (CO-OPS) of NOAA's National Ocean Service, and NOAA's National Weather Service participated in the Hampton Roads Water Symposium hosted by the U.S. Geological Survey and the Hampton Roiads Planning District Commission on September 20. The focus was...
more
NGS's Pacific Geodetic Advisor is working with the Division of Lands and Survey, Republic of the Marshall Islands (RMI), to upgrade the Geodetic control of Majuro Atoll following
NGS Height Modernization guidelines. The project will help RMI develop new models to delineate locations vulnerable to seawater inundation during extreme high tide events and adaptation strategies for projected sea level rise scenarios...
more
NGS is assisting the Naval Surface Warfare Center in Norco, California, by performing absolute gravity measurements to calibrate the facility's manometer (a device used to measure a pressure differential). The Norco facility is one of the U.S. Navy's largest scientific and engineering research and analysis centers...
more
At the Geocaching Hampton Roads Mega Event, September 3, in newport News, VA, NGS educated geocachers on how to help recover survey control marks and provide important documentation for NGS' positional databaase. Geocaching is a recreational activity...
more
NGS is continuing an extensive aerial oblique and nadir collection of georeferenced Great Lakes imagery, which began at the beginning of August, but was interrupted to collect emergency response imagery of the Louisiana Flood. The Great Lakes imagery will be used as a baseline to assess hazards to navigation, impacts of future coastal events, and coastal zone management...
more
NGS
collected and made available imagery to assist federal, state, and coastal managers in assesing damage from flooding in Louisiana. At the request of the Federal Emergency Management Agency and the National Weather Service, NGS began collecting imagery using coastal mapping and emergency response aircraft on August 14, and will continue to collect imagery, weather permitting. More than 2,000 images have been collected to date. NOAA's aerial imagery aids safe navigation and captures damage to coastal aresa caused by storms...
more
NGS wrapped up three weeks of topo-bathy (land elevation and water depth)
Lidar data collection along the outer reef of Florida. The data were acquired using the Office of Marine and Aviation Operations' Twin Otter aircraft equipped with NGS's new high-resolution, near-shore topo-bathy lidar system. Lidar data will support...
more
NGS's Chief
Geodesist (acting) served as a delegate for the U.S. mission to the Sixth Session of the United Nations (U.N) Committee of Experts on Global Geospatial Information Management and as a member of the U.N. Global Geodetic Reference Frame working group in New York City August 1 through August 5...
more
The NOAA Observing Systems Committee held an emerging technologies workshop designed to highlight new technologies and capabilities and to explore how they might be used to meet NOAA observation requirements and affect NOAA programs in the FY 2019-2023 time frame. NGS's
GRAV-D Project made a presentation regarding Small Business Innovation Research grants awarded to...
more
The NBational Geodetic Survey (NGS), the Office of Coast Survey (OCS), and the U.S. Army Corps of Engineers (USACE) co-hosted the annual Joint Airborne
LIDAR Bathymetry Technical Center of Expertise(JALBTCX) workshop in Silver Spring, Maryland July 19 to 21...
more
NGS and COMET® - a world leader in education and training for the environmental sciences - collaborated on a new educational video. The video explains the role of the topo-bathy lidar products (a remote sensing platform) in NGS's mapping and charting program, and how these products provide a critical dataset for coastal resilience, coastal intelligence, and place-based conservation...
more
National Geodetic Survey (NGS) | National Centers for Coastal Ocean Science (NCCOS) | Integrated Ocean Observing System (IOOS) | Office of Coast Survey (OCS)
Utilizing a coordinated
Integrated Ocean and Coastal Mapping (IOCM) approach, NGS is working with OCS and NCCOS to identify gaps in Florida Keys National Marine Sanctuary (FKNMS) bathymetry maps in the Dry Tortugas, and supplying new Light Detection and Ranging (lidar) data where needed...
more
NGS Director, Juliana Blackwell, presented at the Alaska Mapping Executive Committee Strategy Planning Meeting in Anchorage this week where she provided a NOAA update, including geospatial framework, shoreline mapping...
more
National Geodetic Survey (NGS) | National Centers for Coastal Ocean Science (NCCOS) | Integrated Ocean Observing System (IOOS) | Office of Coast Survey (OCS)
Directors and subject experts from NOS navigation services offices traveled to Havana this past weekend for meetings from June 13-16. The sessions kicked off implementation of the work plan agreed to in March, in the Memorandum of Understanding (MOU) between NOS and Cuba's National Office of Hydrography and Geodesy...
more
Data from NOAA's Continuously Operating Reference Stations (CORS) are frequently used for commerical surveying, engineering, and scientific activities. The data must be periodically reprocessed to take advantage of the latest geophysical models. NGS scientists complete this reprocessing, called REPRO, to determine...
more
Last week, NGS and its Great Lakes partners hosted the annual
Height Modernization partner meeting in La Crosse, Wisconsin. This year's meeting was held in conjunction with...
more
More than 60 scientists and students from 14 countries are attending the "
2016 Airborne Gravimetry for Geodesy Summer School" that NGS is hosting this week in Silver Spring, MD. The course provides technical guidance on...
more
An NGS team is conducting a site survey at the National Radio Astronomy Observatory in Pie Town, NM. The team is establishing, to a very high level of precision, the locations of two geodetic instruments (a Very Long Baseline Array antenna station and a Global Navigation Satellite System tracking station). The data will be used to...
more
The National Geodetic Survey's Gravity for the Redefinition of the American Vertical Datum (
GRAV-D) project completed preliminary processing of data from an optionally piloted aircraft test conducted a few weeks ago and concluded that the data meets mission requirements...
more
NGS' Gravity for the Redefinition of the American Vertical Datum (
GRAV-D) project reached the 50 percent mark this month toward its goal to collect data for the United States and territories. The project measures gravity from an aircraft to support more accurate height measurements. Once complete, GRAV-D will...
more
NGS personnel are training members of NASA's GIS Team this week in geodetic leveling data collection and reduction procedures. The team is implementing a research plan to quantify
subsidence in the area of the NASA Langley Research Center in Hampton, VA...
more
On Thursday, April 14, NGS tested a gravity-measurement device on an unmanned aircraft out of Manassas, Virginia, as part of its Gravity for the Redefinition of the American Vertical Datum (
GRAV-D) project to produce highly accurate height measurements. Test flights took place in "unmanned mode" with a safety pilot aboard...
more
NGS's OPUS helped surveyors and engineers more than 83,000 times in March 2016, reaching a new high total for the popular web tool that ties individual user surveys into the common National Spatial Reference System. March usage was buoyed by...
more
In 2015, the U.S. Fish and Wildlife Service (USFWS) received funding to establish control at each of its Region 5 wildlife refuges. Each refuge now has high-quality vertical
benchmarks connected via geodetic leveling to nearby existing level lines. To help the USFWS ensure that each refuge can take advantage of this investment, NGS provided instruction...
more
The week of March 21, NGS provided on-site training in geodetic leveling river crossing data collection and processing procedures to employees of the North Carolina Geodetic Survey. NGS has recently developed new procedures for surveyors and geodesists to perform leveling surveys across rivers, valleys, or other barriers. A new chapter has been added to the NGS geodetic leveling manual to describe these updated techniques...
more
NGS deployed the NOAA Office of Marine and Aviation Operation's King Air aircraft to complete the collection of geo-referenced oblique
imagery of the West Coast. More than 3,000 images were collected from the U.S. - Mexico border to Cape, Flattery, WA. The imagery will be used to assess impacts of the ongoing El Niño event in several NOS mission areas, including...
more
The National Park Service, in collaboration with NOAA and the U.S. Geological Survey, recently published
The Surface Elevation Table and Marker Horizon Technique: A Protocol for Monitoring Wetland Elevation Dynamics, building on more than 20 years of expertise using SET technology to understand processes of vertical
wetland growth...
more
As part of National Week at the Labs-a joint initiative of the White House Council on Women and Girls and My Brother's Keeper-the NGS Table Mountain Geophysical Observatory near Boulder, Colorado, hosted a group of middle and high school students with a presentation that included surveying techniques used in the past and how survey marks are recovered...
more
NGS personnel attended the annual International LIDAR Mapping Forum in Denver, Colorado, February 22 to 24. The forum is a technical conference and exhibition focused on the latest airborne, terrestrial, and underwater Light Detection and Ranging (
LIDAR)technology, as well as emerging remote sensing and data collection tools and technologies...
more
NGS, in collaboration with education partner The COMET Program, developed a new video titled "Best Practices for Minimizing Errors during GNSS Data Collection." Available via the
NGS Video Library...
more
NGS collected oblique imagery along the East Coast from Cape Hatteras, North Carolina, to Montauk, New York, after the recent blizzard and heavy rain to assess impacts to several NOS mission areas, including navigation and coastal zone management...
more
NGS was one of 18 surveying-related organizations invited to participate in a forum to develop strategies to address future challenges to the surveying profession. The Future of Surveying Forum, sponsored by the National Council of Examiners for Engineering and Surveying on January 22, assembled representatives of surveying-related organizations...
more
NGS completed its emergency response effort following the flooding of the Mississippi, Arkansas, and Maramec Rivers. The
aerial imagery data collection took place from January 1-18, covering an area from St. Louis, Missouri, to Baton Rouge, Louisiana. The Federal Emergency Management Agency is using the imagery to provide damage assessments...
more
In 2014, the National Geodetic Survey(NGS) undertook a significant project designed to validate the slope of a gravimetric geoid created with the aid of airborne gravity as part of its Gravity for the Redefinition of the American Vertical Datum (GRAV-D) project. The project included over 200 new survey marks spread across Iowa...
more
In 2014, the National Geodetic Survey(NGS) undertook a significant project designed to validate the slope of a gravimetric geoid created with the aid of airborne gravity as part of its Gravity for the Redefinition of the American Vertical Datum (GRAV-D) project. The project included over 200 new survey marks spread across Iowa...
more
NGS' imagery of recent flooding in the Midwest is now online to assist the Federal Emergency Management Agency (FEMA), states, and localities with damage assessment. NGS collected aerial images around the Mississippi, Arkansas, and Meramec Rivers last week. FEMA is using NGS’s oblique imagery—images taken at an angle rather than straight down—as its primary data source...
more