plate x: topography and bathymetry of the island of cyprus. universal transverse … ·...

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Page 1: PLATE X: Topography and Bathymetry of the Island of Cyprus. Universal Transverse … · 2006-10-10 · Universal Transverse Mercator Projection (UTM - Zone 36) Scale 1:250,000 0 5

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Universal Transverse Mercator Projection (UTM - Zone 36)Scale 1:250,000

0 5 10 15 20 25 Km

PLATE X: Topography and Bathymetry of the Island of Cyprus.This image is a composite of the 25 m DTM of Cyprus, together with the 181,748 soundings from the UKHD/UKHO hydrographic surveys interpolated to 25 m, plus every 20th center beam sounding from NES Strakhov Cruises 5 and 10, and depth soundings digitized from the navigational charts of the Head Departmentof Navigation and Oceanography of the Russian Federation. Black dots show the locations of the depth soundings in these last two datasets. The deeper bathymetry was interpolated to a 100 m grid, using multiquadric surfaces, and overlain by the land topography and nearshore bathymetry reduced to 50 m. Thesedatasets are described in Volume II, Chapter 15, p. 135-148. The resulting grid file, produced by Global Mapper® v. 6.09 in Universal Transverse Mercator (UTM) projection in Zone 36, was then plotted out as hypsometrically colored shaded relief by Surfer® 8. The graticule is in kilometers. This compilation showssome similarities and a number of differences with Figure 15.8 (Volume II, page 145) where the land and nearshore bathymetry are overlaid on the 50 m contours of the 1:625,000 scale Mercator chart of the Eastern Mediterranean (Hall, 1994). A few of the isolated peaks are probably from unreliable spot soundings.The need for seamless multibeam coverage is evidenced by the hints of structure in the widely dispersed sounding coverage.