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You searched for +publisher:"University of New Hampshire" +contributor:("David Monahan"). One record found.

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1. Abramova, Anastasia S. Comparison and evaluation of global publicly available bathymetry grids in the Arctic.

Degree: MS, 2012, University of New Hampshire

In this study we evaluate the differences between six publicly available bathymetry grids in different regions of the Arctic. The independent, high-resolution and accuracy multibeam sonar derived grids are used as a ground truth against which the analyzed grids are compared. The specific bathymetry grids assessed, IBCAO, GEBCO 1 minute, GEBCO_08, ETOPO1, SRTM30_Plus, and Smith and Sandwell, are separated into two major Types: Type A, grids based solely on sounding data sources, and Type B, grids based on sounding data combined with gravity data. The differences were evaluated in terms of source data accuracy, depth accuracy, internal consistency, presence of artifacts, interpolation accuracy, registration issues and resolution of the coastline. These parameters were chosen as quality metrics important for the choice of the grid for any given purpose. We find that Type A bathymetry grids (in particular GEBCO_08) perform better than Type B grids in terms of internal consistency, and have higher accuracy in the different morphological provinces, especially the continental shelf, mainly due to the better source data coverage. Type B grids, on the other hand, have pronounced artifacts and have low accuracy on the shelf due to the scarcity of source data in the region and, in general, the poor performance of gravity prediction in shallow areas and high latitudes. Finally, we propose qualitative metrics that are important when choosing a bathymetry grid and support these metrics with a quality model to guide the choice of the most appropriate grid. Advisors/Committee Members: David Monahan.

Subjects/Keywords: Marine Geology; Geomorphology; Geodesy

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APA (6th Edition):

Abramova, A. S. (2012). Comparison and evaluation of global publicly available bathymetry grids in the Arctic. (Thesis). University of New Hampshire. Retrieved from https://scholars.unh.edu/thesis/699

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Abramova, Anastasia S. “Comparison and evaluation of global publicly available bathymetry grids in the Arctic.” 2012. Thesis, University of New Hampshire. Accessed December 13, 2019. https://scholars.unh.edu/thesis/699.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Abramova, Anastasia S. “Comparison and evaluation of global publicly available bathymetry grids in the Arctic.” 2012. Web. 13 Dec 2019.

Vancouver:

Abramova AS. Comparison and evaluation of global publicly available bathymetry grids in the Arctic. [Internet] [Thesis]. University of New Hampshire; 2012. [cited 2019 Dec 13]. Available from: https://scholars.unh.edu/thesis/699.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Abramova AS. Comparison and evaluation of global publicly available bathymetry grids in the Arctic. [Thesis]. University of New Hampshire; 2012. Available from: https://scholars.unh.edu/thesis/699

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

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