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Publicado el: 2022-02-01
Tiempo de estudio aproximado: 10.00+ h
Incluye sonido: yes
Áreas temáticas
Geospatial
Descripción:
NOAA’s National Geodetic Survey (NGS) provides the framework for all positioning activities in the nation. The foundational elements of latitude, longitude, elevation, and shoreline information impact a wide range of important activities. Our primary end-users are land-surveyors and engineers, but also include other physical scientists and geospatial professionals. Many of these professionals need training to maintain their certification, and to that end, these recorded webinars have been made available on topics of NGS’ geodesy and coastal mapping programs, products, and research. More specific topics include:
- GPS is quickly becoming accessible to everyone for navigation and other applications. NGS specifically supports “high-accuracy” GPS positioning, which often requires “survey-grade” GPS equipment.
- Remote sensing often refers to scanning the earth by satellite or aircraft. Quickly evolving technology related to aerial photography and lidar is making remote sensing a more efficient way to gather data over large geographic areas.
- Land surveying is the technique and science of determining the position of points and the distances and angles between them. It has been a core part of NGS’ mission since the 1800s and is still supported today through guidelines and tools.
- Geodesy is the science of accurately measuring and understanding three fundamental properties of the Earth: its geometric shape, its orientation in space, and its gravity field— as well as the changes of these properties with time.
Users can view a webinar in its entirety to earn a certificate of attendance. Certificates earned are kept within the user’s account on MetEd.
Objetivos:
To educate professionals, educators and students on:
- the fundamentals of geodesy and Global Navigation Satellite Systems (GNSS), as used for positioning.
- navigation and positioning applications of geodesy, Global Navigation Satellite Systems (GNSS), and remote sensing technology.
- the availability and potential applications of remotely sensed data. These applications can include mapping and charting, identification of hazards, generation and use of digital elevation models, and more.
To inform professionals, educators and students on:
- efforts to modernize the National Spatial Reference System (NSRS), including derived products like the State Plane Coordinate System of 2022.
Palabras clave
Geodesy, elevation, latitude, longitude, Land surveying, engineering, floodplain, mapping, construction, infrastructure, state plane coordinates, survey foot,
GPS, GNSS, Gravity, geoid, Remote sensing, photogrammetry, lidar