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[[File:Antarctic Sound-2016-Iceberg 02.jpg|300px|left]]
[[File:Balleny Map1.jpg|250px|left]]
An '''[[iceberg]]''' is a large piece of freshwater [[ice]] that has broken off a [[glacier]] or an [[Ice-shelf|ice shelf]] and is floating freely in open water. It may subsequently become frozen into [[pack ice]] (one form of sea ice). As it drifts into shallower waters, it may come into contact with the seabed, a process referred to as seabed gouging by ice. About 90% of an iceberg is below the surface of the water.
The '''[[Balleny Islands]]''' are a series of uninhabited islands in the [[Southern Ocean]] extending from 66°15' to 67°35'S and 162°30' to 165°00'E. The group extends for about 160 km (99 mi) in a northwest-southeast direction. The islands are heavily glaciated and of volcanic origin. [[glacier|Glaciers]] project from their slopes into the sea. The islands were formed by the so-called Balleny hotspot.  They were originally claimed by the United Kingdom, and were then transferred to New Zealand before becoming annexed by [[Westarctica]] in 2005.


Because the density of pure [[ice]] is about 920 kg/m3, and that of seawater about 1025 kg/m3, typically about one-tenth of the volume of an iceberg is above water (which follows from Archimedes's Principle of buoyancy). The shape of the underwater portion can be difficult to judge by looking at the portion above the surface. This has led to the expression "tip of the iceberg", for a problem or difficulty that is only a small manifestation of a larger problem.
The group includes three main islands: [[Young Island|Young]], [[Buckle Island|Buckle]] and [[Sturge Island|Sturge]], which lie in a line from northwest to southeast, and several smaller islets and rocks. On 15 March 2024, [[Grand Duke Travis]] appointed his son, [[Crown Prince Ashton Roman]] as [[Viceroy]] of the Balleny Islands. This position is currently the highest authority in the islands and exercises the power of the Westarctican Crown within the colony. The viceroy has the authority to dismiss the governor if he wishes.


Icebergs are monitored worldwide by the U.S. National Ice Center (NIC), established in 1995, which produces analyses and forecasts of Arctic, [[Antarctic]], Great Lakes and Chesapeake Bay ice conditions. More than 95% of the data used in its sea ice analyses are derived from the remote sensors on polar-orbiting satellites that survey these remote regions of the Earth.
'''([[Balleny Islands|Full Article...]])'''
 
'''([[Iceberg|Full Article...]])'''

Latest revision as of 16:18, 19 May 2024

Balleny Map1.jpg

The Balleny Islands are a series of uninhabited islands in the Southern Ocean extending from 66°15' to 67°35'S and 162°30' to 165°00'E. The group extends for about 160 km (99 mi) in a northwest-southeast direction. The islands are heavily glaciated and of volcanic origin. Glaciers project from their slopes into the sea. The islands were formed by the so-called Balleny hotspot. They were originally claimed by the United Kingdom, and were then transferred to New Zealand before becoming annexed by Westarctica in 2005.

The group includes three main islands: Young, Buckle and Sturge, which lie in a line from northwest to southeast, and several smaller islets and rocks. On 15 March 2024, Grand Duke Travis appointed his son, Crown Prince Ashton Roman as Viceroy of the Balleny Islands. This position is currently the highest authority in the islands and exercises the power of the Westarctican Crown within the colony. The viceroy has the authority to dismiss the governor if he wishes.

(Full Article...)

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