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The Australian Height Datum is considered as a separate datum to the Australian Height Datum, consisting of a least-squares adjustment of seventy-two levelling sections across the Tasmanian state, while simultaneously assigning the mean sea level of two tidal gauges at Hobart and Burnie the vertical height of 0.000m over the year of 1972.
Below are separate lists of countries and dependencies with their land boundaries, and lists of which countries and dependencies border oceans and major seas.The first short section describes the borders or edges of continents and oceans/major seas.
Name used in the default map caption; image = Singapore_location_map_(main_island).svg The default map image, without "Image:" or "File:" top = 1.493 Latitude at top edge of map, in decimal degrees; bottom = 1.129 Latitude at bottom edge of map, in decimal degrees; left = 103.557 Longitude at left edge of map, in decimal degrees; right = 104. ...
Height above mean sea level is a measure of a location's vertical distance (height, elevation or altitude) in reference to a vertical datum based on a historic mean sea level. In geodesy, it is formalized as orthometric height. The zero level varies in different countries due to different reference points and historic measurement periods.
Climate map of Australia. By far the largest part of Australia is arid or semi-arid. A total of 18% of Australia's mainland consists of named deserts, [20] while additional areas are considered to have a desert climate based on low rainfall and high temperature. Only the south-east and south-west corners have a temperate climate and moderately ...
The southernmost point is Middle Island, in Lake Erie, Ontario (41°41′N 82°40′W); the southernmost water point lies just south of the island, on the Ontario–Ohio border (41°40′35″N). The southernmost point of the Canadian mainland is Point Pelee , Ontario 41°54′32″N 82°30′32″W / 41.909°N 82.509°W / 41.909 ...
The border with Quebec is defined by a line due north of the head of Lake Timiskaming to James Bay, [15] and southeast from there, the Ottawa River for about 620 km (390 mi). The boundary follows a small portion of land south of the Ottawa River until it meets the Saint Lawrence River near Cornwall. Ontario also shares borders with several U.S ...
The length of each border is included, as is the total length of each country's or territory's borders. [ 1 ] Countries or territories that are connected only by man-made structures such as bridges, causeways or tunnels are not considered to have land borders.