Magnetic Anomaly Grid and Associated Uncertainty From Marine Trackline Data: The Caribbean Alternative Navigation Reference Experiment (CANREx)

Saltus, R. W.; Chulliat, A.; Meyer, B.; Bates, M.; Sirohey, A.

doi:10.1029/2023EA002958

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Magnetic Anomaly Grid and Associated Uncertainty From Marine Trackline Data: The Caribbean Alternative Navigation Reference Experiment (CANREx)

2023
By Saltus, R. W. ; Chulliat, A. ; Meyer, B. ; ...
Source: Earth and Space Science, 10(11)

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Journal Title:

Earth and Space Science
Personal Author:

Saltus, R. W. ; Chulliat, A. ; Meyer, B. ; Bates, M. ; Sirohey, A.

Saltus, R. W. ; Chulliat, A. ; Meyer, B. ; Bates, M. ; Sirohey, A. Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; NCEI (National Centers for Environmental Information)

NESDIS (National Environmental Satellite, Data, and Information Service) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; NCEI (National Centers for Environmental Information) Less -
Description:

Crustal magnetic anomaly maps over oceanic regions are based largely on marine trackline surveys. These surveys, collected from the 1950s to the present, span a wide range of data quality and reliability. We discuss a methodology for constructing grids from these data with associated cell by cell estimates of grid uncertainty. The method is tested with a modern airborne survey for a representative region in the eastern Caribbean. The results are promising, producing an uncertainty estimate that is accurate to one standard deviation for the test area. As magnetic anomaly maps and grids are increasingly applied as constraints for geologic interpretation as well as for alternative navigation (e.g., navigation by magnetic field patterns in the absence of GPS), it is important to quantify the accuracy of these maps.
Keywords:

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Environmental Science (miscellaneous) General Earth And Planetary Sciences
Source:

Earth and Space Science, 10(11)
DOI:

https://doi.org/10.1029/2023EA002958
ISSN:

2333-5084;2333-5084;
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PDF
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American Geophysical Union (AGU)
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Journal Article
License:

https://creativecommons.org/licenses/by-nc-nd/4.0/
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CC BY-NC-ND
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Submitted
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urn:sha256:eeb73d78cb0d51387fc6da395a933b1a96573c4ec77787edc84d3c89d2c89634
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https://repository.library.noaa.gov/view/noaa/56455/noaa_56455_DS1.pdf
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Magnetic Anomaly Grid and Associated Uncertainty From Marine Trackline Data: The Caribbean Alternative Navigation Reference Experiment (CANREx)

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