ملف:Lake Ontario bathymetry map.png

الملف الأصلي ‏(1٬024 × 656 بكسل حجم الملف: 750 كيلوبايت، نوع MIME: image/png)

وصف قصير

⧼wm-license-information-description⧽
English: Lake Ontario bathymetric shaded relief map contoured with interval 20 m (100 m with thicker lines). The deepest point is marked with "×". For land the vertical datum is sea level, for bathymetry low water datum of the lake.
The map was created using the Generic Mapping Tools, GMT, version 5.1.1.
⧼wm-license-information-date⧽ 2015
⧼wm-license-information-source⧽ قالب:Own using the following Public Domain datasets (grids):
  • Great Lakes Bathymetry from National Geophysical Data Center http://www.ngdc.noaa.gov/mgg/greatlakes/greatlakes.html. Credits:
    • National Geophysical Data Center, 1999. Bathymetry of Lake Ontario. National Geophysical Data Center, NOAA. doi:10.7289/V56H4FBH [access date: 2015-03-23].
    • National Geophysical Data Center, 1999. Bathymetry of Lake Erie and Lake Saint Clair. National Geophysical Data Center, NOAA. doi:10.7289/V5KS6PHK [access date: 2015-03-23].
      (only small portion of this map)
  • GLOBE http://www.ngdc.noaa.gov/mgg/topo/gltiles.html - land part of this map. Credits:
    National Geophysical Data Center, 1999. Global Land One-kilometer Base Elevation (GLOBE) v.1. Hastings, D. and P.K. Dunbar. National Geophysical Data Center, NOAA. doi:10.7289/V52R3PMS [access date: 2015-03-16].

The coordinates of deepest point are taken from the NOAA Great LakesEnvironmental Research Laboratory webpage (www.glerl.noaa.gov/, kml file Google Earth Great Lakes Tour).
The color palette of the depth scale was made to be more or less similar to the color palettes used on the NGDC Lake Ontario maps.

قالب:Created with GMT
⧼wm-license-information-author⧽ Darekk2 using the Great Lakes Bathymetry and GLOBE tiles
⧼wm-license-information-other-versions⧽
  • Lake Ontario bathymetry map 2.png

The same map but not shaded: Lake Ontario bathymetry map 2.png

ترخيص

Attribution (in addition to the author of this map):
The NGDC in it's copyright notice says:
As required by 17 U.S.C. 403, third parties producing copyrighted works consisting predominantly of the material produced by U.S. government agencies must provide notice with such work(s) identifying the U.S. Government material incorporated and stating that such material is not subject to copyright protection within the United States. (...)
(for credits see the Source section).

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حالي ★ مراجعة معتمدة
16:27، 6 أكتوبر 2023		تصغير للنسخة بتاريخ 16:27، 6 أكتوبر 20231٬024 × 656 (750 كيلوبايت)Pastakhov (نقاش | مساهمات)Upload https://upload.wikimedia.org/wikipedia/commons/3/32/Lake_Ontario_bathymetry_map.png

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