However, in compiling this derived product, the developers made no attempt to ascertain the congruence between the charted data and the real world. Tidal Datum: Mean high water and mean low low waterĪccuracy: These data are advertised to meet or exceed current National Map Accuracy Standards when plotted as a hard-copy product to the appropriate source chart scale. Spatial Reference: Geographic coordinate system (decimal degrees) horizontal datum – North American Datum of 1983 (NAD83). high-water line and may also include details such as roads, prominent buildings, and other features along the coast.Ĭoverage: Continental U.S., Alaska, Hawaiian Islands, Puerto Rico, and U.S. These shoreline surveys provide the authoritative definition of the U.S. Originator(s): National Oceanic and Atmospheric Administration (NOAA) National Geodetic SurveyĪbstract: Shoreline surveys-also called coastal surveys, t-sheets or TP sheets, and shoreline manuscripts-refer to topographic sheets compiled from maps derived in the field with a plane table, in the office from aerial photos, or using a combination of the two methods. Current applications include shoreline change analysis and cartographic representation. The following table shows 10 locations with Sun near zenith position in the sky.Purpose and Potential Applications: This data set was featured as base maps to construct nautical charts primarily used for navigation. The table below shows position of the the Moon compared to the time and date above: Time The ground speed is currently 444,38 meters/second, 1599,8 kilometres/hour, 994,1 miles/hour or 863,8 nautical miles/hour (knots). 17:14:00 UTC the Moon is at its zenith at Latitude:
The table below shows position of the the Sun compared to the time and date above: Time The ground speed is currently 455,03 meters/second, 1638,1 kilometres/hour, 1017,9 miles/hour or 884,5 nautical miles/hour (knots). 17:14:00 UTC the Sun is at its zenith at Latitude:
Business Date to Date (exclude holidays).
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