GPS COORDINATES OF HEARD ISLAND AND MCDONALD ISLANDS HEARD ISLAND
Heard and McDonald Islands robopac battery
赫德岛和麦克唐纳群岛位于南大洋，距南极洲约1700公里，离佩思(Perth)西南部约4100公里。作为亚南极的活火山群岛，这两个岛屿打开了“地球心底之窗”，为人类提供了观察正在进行的地貌. . The islands are part of the that includes several islands. In this cold climate, plant life is mainly limited to grasses, lichens, and . Low plant diversity reflects the islands' isolation, small size, severe climate, the short, cool growing season and, for Heard Island, substantial permanent ice cover. The main environmental deter. . 赫德岛和麦克唐纳群岛（英语：Heard Island and McDonald Islands，：HIMI），无人居住的荒岛，1947年起纳入，1997年获选为（）。赫德岛以南约1600公里达边沿；除去南极洲和小于1000平公方公里的岛屿不算，赫德岛方圆3700公里内都是海洋，不见。赫德岛80%的陆地都为冰川覆盖，岛上拥有比较稀少. [pdf]FAQS about Heard and McDonald Islands robopac battery
What is Heard Island & McDonald Islands?
antarctic Heard Island - 80% ice-covered, bleak and mountainous, dominated by a large massif (Big Ben) and an active volcano (Mawson Peak); McDonald Islands - small and rocky fish Mawson Peak, an active volcano, is on Heard Island
Does Heard Island have a harbour?
Heard Island and the McDonald Islands have no ports or harbours; ships must anchor offshore. The coastline is 101.9 km (63.3 mi) in extent, and a 12 nmi (22 km) territorial sea and 200 nmi (370 km) exclusive fishing zone are claimed. [ 2 ]
How big is McDonald Island compared to Heard Island?
The islands are small and rocky. In 1980, they consisted of McDonald Island (186 metres (610 ft) high), Flat Island (55 metres (180 ft) high) and Meyer Rock (170 metres (560 ft) high). They totalled approximately 2.5 square kilometres (1.0 sq mi) in area. Like Heard Island, they were surface exposures of the Kerguelen Plateau.
Who discovered Heard Island?
American sailor John HEARD discovered Heard Island in 1853 while fellow American William MCDONALD discovered the McDonald Islands the following year. Starting in 1855, sealers lived on the islands and harvested elephant seal oil; by the time the practice was ended in 1877, most of the islands’ seals were killed.
Are McDonald Islands ice free?
The McDonald Islands, of volcanic origin, are ice free. They are located 44 kilometres (27 mi) to the west of Heard Island at 53°02′20″S 72°36′04″E. The islands are small and rocky. In 1980, they consisted of McDonald Island (186 metres (610 ft) high), Flat Island (55 metres (180 ft) high) and Meyer Rock (170 metres (560 ft) high).
Is Heard Island a subantarctic island?
The fauna of the freshwater pools, lakes, streams and mires found in the coastal areas of Heard Island are broadly similar to those on other subantarctic islands of the southern Indian Ocean. Many species reported from Heard Island are found elsewhere.
Ice commercial power Heard and McDonald Islands
赫德岛和麦克唐纳群岛（英语：Heard Island and McDonald Islands，简称：HIMI），印度洋无人居住的荒岛，1947年起纳入澳大利亚外岛领地，1997年获选为世界自然遗产（亚洲、大洋洲地区）。赫德岛以南约1600公里达南极洲边沿；除去南极洲和面积小于1000平公方公里的岛屿不算，赫德岛方圆3700公里内. . 1853 年 11 月 25 日，一位名叫约翰·赫德 (John Heard) 的美国水手在从波士顿前往墨尔本的途中看到了赫德岛。一个月后，他报告了这一发现，并以他的名字命名了该岛。六周后，也就是 1854 年 1 月 4 日，威廉·麦克唐纳(William. . 赫德岛是该群岛中最大的一个，面积 368 平方公里，被 41 条冰川覆盖（该岛 80% 被冰覆盖），主要是地块。它的最高海拔为 2,745 米为位于历史上活跃的大本山火山顶峰莫森峰 ( Mawson Peak )。地球物理与行星学研究所 (HIGP) 热警报小组2000 年 7 月的. . 英国于 1910 年正式宣布对赫德岛拥有主权。1947 年 12 月 26 日，赫德岛和麦克唐纳群岛的行政和控制权移交给了澳大利亚政府。1950 年 12 月 19 日，两国政府通过换文确认了转移。 这些岛屿是澳大利亚的领土，由澳大利亚环境和能源部澳大利亚南极. [pdf]FAQS about Ice commercial power Heard and McDonald Islands
Why are Heard Island and McDonald Islands isolated?
However, the site’s isolation assists in reducing anthropogenic impacts upon the site’s values. Heard Island and McDonald Islands are located in the Southern Ocean, approximately 1,700 km from the Antarctic continent and 4,100 km south-west of Perth.
Is there a threat to Heard Island and the McDonald Islands?
Ongoing and accelerating climate change poses an increasing risk of fundamental alterations in biodiversity. Geological processes (primarily volcanism and glacial retreat) continue undisturbed. The overall assessment is that there is a low threat to the World Heritage values of Heard Island and the McDonald Islands if visitation remains low.
Where are Heard Island and McDonald Islands located?
The islands are a territory (Territory of Heard Island and McDonald Islands) of Australia administered from Hobart by the Australian Antarctic Division of the Australian Department of Climate Change, Energy, the Environment and Water.
How big is Heard Island & McDonald Islands?
The group's overall land area is 372 km 2 (144 sq mi) and it has 101.9 km (63 mi) of coastline. Discovered in the mid-19th century, the islands lie on the Kerguelen Plateau in the Indian Ocean and have been an Australian territory since 1947. Heard Island and McDonald Islands contain Australia's only two active volcanoes.
What is a hotspot under Heard Island & McDonald Islands?
A hotspot under Heard Island and the McDonald Islands is responsible for the volcanic activity in the region. (ABC: Kate Doyle) Volcanoes are more common at the boundaries of tectonic plates, where plates split or collide and magma escapes. That type of volcanism is well understood and proven but hotspots are not.
