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Chesterfield Islands

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Chesterfield Islands

Chesterfield Islands
Geography
Country
New Caledonia (France)
Provinces North Province, South Province
Chesterfield Islands from space

Chesterfield Islands (îles Chesterfield in French) is a French archipelago of New Caledonia located in the Coral Sea, 550 km northwest of Grande Terre, the main island of New Caledonia. The archipelago is 120 km long and 70 km broad, made up of 11 islets and many reefs. The land area of the islands is less than 10 km².

During periods of lowered sea level during the Pleistocene ice ages an island of considerable size (Greater Chesterfield Island) occupied the location of the archipelago.

Bellona Reef, 164 km south-southeast of Chesterfield, is geologically separated from the Chesterfield archipelago but commonly included.

Contents

  • Etymology 1
  • Location 2
    • Bellona Reefs 2.1
    • Minerva Shoal 2.2
    • Chesterfield Reefs 2.3
    • Avon Isles 2.4
    • Bampton Reefs 2.5
  • History 3
    • 18th Century 3.1
    • 19th Century 3.2
    • 20th and 21st Century 3.3
  • Known Shipwrecks on the Reef 4
  • References 5
  • Further reading 6

Etymology

The reef complex is named after the ship Chesterfield, commanded by Matthew B. Alt, which explored the Coral Sea in the 1790s.[1]

Location

The Chesterfield Islands, sometimes referred to as the Chesterfield Reefs or Chesterfield Group, are the most important of a number of uninhabited coral sand cays. Some are awash and liable to shift with the wind while others are stabilized by the growth of grass, creepers and low trees. The reefs extend from 19˚ to 22˚S between 158160˚E in the southern Coral Sea halfway between Australia and New Caledonia. The Chesterfield Reefs are now part of the territory of New Caledonia while the islands farther west are part of the Australian Coral Sea Islands Territory.

Chesterfield lagoon, located between 19˚00' and 20˚30' S and 158˚10' and 159˚E covers an area of approximately 3500 km2. A barrier reef surrounds the lagoon, interrupted by wide passes except on its eastern side where it is open for over 20 nautical miles (37 km). The major part of the lagoon is exposed to trade winds and to the southeastern oceanic swell. The lagoon is relatively deep with a mean depth of 51 m. The depth increases from south to north.[2]

Chesterfield Reefs complex consists of the Bellona Reef complex to the south (South, Middle and Northwest Bellona Reef) and the Bampton Reef complex.

Bellona Reefs

Bellona Reefs
South Bellona Reefs

Captain Matthew Boyd of Bellona named the reefs for his ship. He had delivered convicts to New South Wales in 1793 and was on his way to China to pick up a cargo at Canton to take back to Britain for the British East India Company when he passed the reefs in February-March 1793.

  • West Point ,
  • Olry Reef ,
  • Middle Bellona Reefs ,
  • Observatory Cay ,
  • Booby Reef ,
  • Northwest Bellona Reef ,
  • Noel Bank ,

South Bellona Reef or West Point , Approximately 3 m tall sand islet. Lieutenant John Lamb, R.N., Commander of the ship Baring, spent three days in the neighborhood of Booby and Bellona Shoals and reefs. Lamb took soundings between nineteen and forty-five fathoms (114–270 ft), and frequently passed shoals, upon which the sea was breaking. Lamb defined the limits of the rocky ground as the parallels of 20°40′ and 21°50′ and the meridians of 158°15′ and 159°30′. He also saw a sandy islet, surrounded by a chain of rocks, at 21°24½′ south and 158°30′ east. The ship Minerva measured the water's depth as eight fathoms (48 ft), with the appearance of shallower water to the southwest; this last danger is in a line between the two shoals at about longitude 159°20′ east, as described by James Horsburgh.[3]

Observatory Cay , 800 m long and 2 m high, lies on the Middle Bellona Reefs at the southern end of the Chesterfield Reefs and 180 nm east of Kenn Reef.

Minerva Shoal

Not to be confused with Minerva Reefs, south of Fiji and Tonga.
  • Minerva Shoal,

Chesterfield Reefs

  • South Elbow or Loop Islet,
  • Anchorage Islets ,
  • Passage Islet (Bennett Islet),
  • Long Island ,

The Chesterfield Reefs is a loose collection of elongated reefs that enclose a deep, semi-sheltered, lagoon. The reefs on the west and northwest are known as the Chesterfield Reefs; those on the east and north being the Bampton Reefs. The Chesterfield Reefs form a structure measuring 120 km in length (northeast to southwest) and 70 km across (east to west).

There are numerous cays occurring amongst the reefs of both the Chesterfield and Bampton Reefs. These include: Loop Islet, Renard Cay, Skeleton Cay, Bennett Island, Passage Islet, Long Island, the Avon Isles, the Anchorage Islets and Bampton Island.

Long Island , 10 nm NW of Loop Islet, is the largest of the Chesterfield Islands, and is 1400 to 1800 m long but no more than 100 m across and 9 m high. In May 1859 Henry Mangles Denham found Long Island was “a heap of 'foraminifera' densely covered with stunted bush‑trees with leaves as large as cabbage plants, spreading 12 feet (3.7 m) and reaching as high, upon trunks 9 inches (23 cm) diameter... The trees around the margin of this island were leafless, as if from the sea‑fowl." Although wooded in the 1850s, it was stripped during guano extraction in the 1870s and was said to be covered in grass with only two coconut trees and some ruins at the south end early in the 20th century. The vegetation was growing again by 1957 when the remaining ruins were confused with those of a temporary automatic meteorological station established in the same area by the Americans between 1944 and 1948. Terry Walker reported that by 1990 there was a ring of low Tournefortia trees growing around the margin, herbs, grass and shrubs in the interior, and still a few exotic species including coconuts.

South of Long Island and Loop Islet there are three small low islets up to 400 m across followed, after a narrow channel, by Passage or Bennett Island, which is 12 m high and was a whaling station in the first half of the 20th century. Several sand cays lie on the reef southeast of the islet.

Avon Isles

  • Avon Isles (Northwest Point) ,
  • Avon Isles (south)

The two Avon Isles , some 188 m in diameter and 5 m high to the top of the dense vegetation, are situated 21 n.m. north of Long Island. They were seen by Mr. Sumner, Master of the ship Avon, on 18 September 1823, and are described by him as being three-quarters of a mile in circumference, twenty feet high, and the sea between them twenty fathoms deep. At four miles (7 km) northeast by north from them the water was twelve fathoms (72 feet) deep, and at the same time they saw a reef ten or fifteen miles (20–30 km) to the southeast, with deep water between it and the islets. A boat landed on the south-westernmost islet, and found it inhabited only by birds, but clothed with shrubs and wild grapes. By observation, these islands were found to lie in latitude 19 degrees 40 minutes, and longitude 158 degrees 6 minutes. The Avon Isles are described by Denham in 1859 as “densely covered with stunted trees and creeping plants and grass, and... crowded with the like species of birds."

Bampton Reefs

  • Bampton Reefs
  • Bampton Island ,
  • North Bampton Reef ,
  • Northeast Bampton Reef ,
  • Renard Island ,
  • Skeleton Cay

Renard Island North Bampton Reef , Approximately 6 m (20 ft) tall sand islet lies 45 nmi (83 km) northeast of the Avon Isles and is 273 m (896 ft) long, 180 m (590 ft) across and also 6 m (20 ft) high to the top of the bushes.

Southeast Bampton Reef Sand Cay 5 m (16 ft) elevation

Loop Islet , which lies 85 nm farther north near the south end of the central islands of Chesterfield Reefs, is a small, flat, bushy islet 3 m high where a permanent automatic weather station was established by the Service Météorologique de Nouméa in October 1968. Terry Walker reported the presence of a grove of Casuarinas in 1990.

Anchorage Islets are a group of islets five nautical miles (9 km) north of Loop Islet. The third from the north, about 400 m long and 12 m high, shelters the best anchorage.

Passage (Bonnet) Island reaches a vegetative height of 12 m

Bampton Island , lies on Bampton Reefs 20 nm NW of Renard Island. It is 180 m long, 110 m across and 5 m high. It had trees when discovered in 1793, but has seldom been visited since then except by castaways.

The reefs and islands west of the Chesterfield Islands, the closest being Mellish Reef with Herald's Beacon Islet at , at a distance of 180 nm northwest of Bampton Island, belong to the Coral Sea Islands Territory.

History

18th Century

Booby Reef in the center of the eastern chain of reefs and islets comprising Chesterfield Reefs appears to have been discovered first by Lt. Henry Lidgbird Ball in HMS Supply on the way from Sydney to Batavia (modern day Jakarta) in 1790. The reefs to the south were found next by Mathew Boyd in the convict ship Bellona on his way from Sydney to Canton (modern day Guangzhou) in February or March of 1793.[4] The following June, William Wright Bampton became embayed for five days at the north end of Chesterfield Reefs in the Indiaman Shah Hormuzeer, together with Mathew Bowes Alt in the whaler Chesterfield.[5] Bampton reported two islets with trees and “a number of birds of different species around the ships, several of them the same kind as at Norfolk Island”.[6]

19th Century

The reefs continued to present a hazard to shipping plying between Australia and Canton or India (where cargo was collected on the way home to Europe). The southern reefs were surveyed by Captain Henry Mangles Denham in the Herald from 1858 to 1860.[7] He made the natural history notes discussed below. The northern reefs were charted by Lieutenant G.E.Richards in HMS Renard in 1878 and the French the following year. Denham's conclusions are engraved on British Admiralty Chart 349:

These Plans and a mast‑head Lookout will enable a Ship to round to under the lee of the Reefs where she may caulk topsides, set up rigging, rate Chronometers, [and] obtain turtle, fish and seafowl eggs. On some of the more salient reefs, beacons were erected by Capt. Denham, and for the sake of castaways, cocoa‑nuts, shrubs, grasses & every description of seed likely to grow, were sown in the way to promote the superstructure; and it is most desirable that these Refuge‑ spots should be held sacred for universal benefit and not ruthlessly destroyed by the Guano‑seeker.[8]

The area is a wintering ground for numerous Humpback whales and smaller numbers of Sperm whales. During the 19th century the Chesterfield Islands were visited by increasing numbers of whalers during the off season in New Zealand. L. Thiercelin reported that in July 1863 the islets only had two or three plants, including a bush 3–4 m high, and were frequented by turtles weighing 60 to 100 kg.[9] Many eggs were being taken regularly by several English, two French and one American whaler. On another occasion there were no less than eight American whalers.[10] A collection of birds said to have been made by Surgeon Jourde of the French whaler Général d’Hautpoul on the Brampton Shoals in July 1861 was subsequently brought by Gerard Krefft (1862) to the Australian Museum, but clearly not all the specimens came from there.

On 27 October 1862, the British Government granted an exclusive concession to exploit the guano on William Crowther in Hobart, Tasmania. They were apparently most active on Bird Islet (Wreck Reef) and Lady Elliot and Raine Islands (Hutchinson, 1950), losing five ships at Bird Islet between 1861 and 1882 (Crowther 1939). It is not clear that they ever took much guano from the Chesterfield Islands unless it was obtained from Higginson, Desmazures et Cie, discussed below.

When in 1877 Joshua William North also found guano on the Chesterfield Reefs, Alcide Jean Desmazures persuaded Governor Orly of New Caledonia to send the warship La Seudre to annex them. There were estimated to be about 185,000 cu m of guano on Long Island and a few hundred tons elsewhere, and 40% to 62% phosphate (Chevron, 1880), which was extracted between 1879 and 1888 by Higginson, Desmazures et Cie of Nouméa (Godard, nd), leaving Long Island stripped bare for a time (Anon., 1916).

20th and 21st Century

Apparently the islands were then abandoned until Commander Arzur in the French warship Dumont d’Urville surveyed the Chesterfield Reefs and erected a plaque in 1939. In September 1944, American forces installed a temporary automatic meteorological station at the south end of Long Island, which was abandoned again at the end of World War II. The first biological survey was made of Long Island by Cohic during four hours ashore on 26 September 1957.[11] It revealed, among other things, a variety of avian parasites including a widespread Ornithodoros tick belonging to a genus carrying arboviruses capable of causing illness in humans. This island and the Anchorage Islets were also visited briefly during a survey of New Caledonian coral reefs in 1960 and 1962.

An aerial magnetic survey was made of the Chesterfield area in 1966, and a seismic survey in 1972, which apparently have not been followed up yet. In November 1968 another automatic meteorological station was installed on Loop Islet where 10 plants were collected by A.E. Ferré. Since then the Centre de Nouméa of the Office de la Recherche Scientifique et Technique Outre Mer has arranged for periodic surveys and others when this installation is serviced.

From 1982-1992 Terry Walker carried out methodical surveys of the Coral Sea islets with the intention of producing a seabird atlas. He visited the central islands of the Chesterfield Reefs in December 1990.[12]

An amateur radio DX-pedition (TX3X) was conducted on one of the islands in October 2015.

Known Shipwrecks on the Reef

Unless otherwise noted, information in this section is from Coral Sea and Northern Great Barrier Reef Shipwrecks.[13]

Vessel Type Length (ft) Beam (ft) Draft (ft) Date Launched Date Wrecked Notes
Borough Belle Wooden Brigantine 103.8 24.1 11.8 1875 30 January 1894 210 tons. Built in Sydney. The brigantine had been badly damaged by gales and she was run ashore onto Bellona Reefs to save life on a voyage from Solomon Islands to Sydney. The crew remained at the wreck until 3 February, then set out for Australia. At an inquiry the master and part owner John Williams was commended for his able seamanship.[14]
Chesterfield Whaler Gave its name to Chesterfield Reef.[15]
Clarence Whaling brig 68 19.2 11 1841 9 June 1844 120 tons. Built at Clarence River, New South Wales. Registered at Sydney 46/1841. Captain McCardell. Lost on the Chesterfield Bank, near the Bampton Shoals. After a voyage of 600 nautical miles (1,100 km) in four boats the crew reached safety although some of the crew were speared when they landed on the Queensland coast in search of water. The whaler Woodlark assisted in the rescue of one of the boats. The schooner Elizabeth was lost attempting to salvage the Clarence the following year.[15]
Eillan Donan Brigantine 1863 Late December 1893 270 tons. Registered in Auckland. Believed lost on Chesterfield Reefs.[14] The vessel was likely named for the home of the clan McRae, Eilean Donan Castle. This is one of the most photographed castles in Scotland.
Elizabeth Schooner 1844 Lost on Chesterfield Bank, near the Bampton Shoals. While attempting to salvage the wreck of the Clarence the Elizabeth was driven out to sea while most of her crew were working on the wreck. She was never seen again. The crew reached Moreton Bay, Queensland by longboat on 26 March 1845.
Euromedha Barque 1868 2 October 1869 345 tons. Built in Sunderland, England. Struck the eastern edge of Bampton Reef and sank rapidly. The crew was saved.[15]
Hamlet's Ghost Boat Small vessel built from the salvaged timbers from the whaling schooner Prince of Denmark, wrecked on Chesterfield reef in 1863. [Holthouse]
Isabella Barque 159 32.2 21 1860 4 July 1875 734 tons. Built in opium. The Marine Board of Queensland found a fault in the chronometers had caused an error of more than 60 nautical miles (110 km) in the position of the ship and the master was exonerated.[14]
Jessie Wooden Barkentine 124 25.1 12.8 18 February 1893 247 tons. During a cyclone she was forced ashore at Long Island while loading guano for Launceston, Tasmania. Dangerous conditions forced her crew to seek shelter on the island, and when the weather cleared all that remained of their vessel were a few pieces of wreckage. The master and crew reached Nouméa in one of the boats.[14]
Madeira Packet Schooner December 1831 108 tons. Captain Arnold. Left Sydney for New Zealand on a whaling cruise, on 4 September 1831; wrecked on Bampton Reefs. The crew took to three boats; two made it safely to Moreton Bay, the third disappeared. It appears that Captain Arnold had died on board before her loss.
Peruvian Barque February or March 1846 Lost at Minerva or Bellona Reefs. Carrying a load of timber, battered by heavy weather and wrecked on the reefs.
Prince of Denmark Whaling Schooner 1789 19 March 1863 69 tons. Captain J.B. Bennett. Wrecked during a gale while approaching Chesterfield Reef. The crew used the remains of the whaler to build a new boat (which they called Hamlet's Ghost), then set sail for Brisbane, leaving eleven native members of the crew on the reef with provisions for about eighteen months. They made Moreton bay on 17 June. The boat was later converted to a pleasure yacht. There is no record of what happened to the eleven natives.[15] [Holthouse]
Sarah S. Ridgeway Wooden Barque 831 tons. American Registered at Wilmington, Delaware on 29 January 1895. The ship was lost on Bellona Reef while on her way from Newcastle to Singapore with coal. There was no loss of life and the crew landed at Burnett Heads, Queensland.[14]
Siskin Wooden Ketch 61.3 17.6 5.5 1884 Early November 1896 41 tons. Built at Balmain, New South Wales. Left Brisbane on a voyage to the Solomon Islands. Lost on the Chesterfield Group.[14]
Tamar Barque 1870 Lost near Chesterfield Reefs.[15]
Thule Whaler 10 October 1844 American, Capt. Coffin, from Nantucket, Connecticut. After 27 months at sea with 1050 barrels of sperm oil, she struck a shoal believed to be part of Bellona Reef on 10 Oct 1844.
Venture Schooner 65.4 20.8 7 1875 August 1879 54 tons. Lost on Chesterfield Reefs.[15]
Waireta Schooner 1884 99 tons. Built in 1884 and registered at Auckland, New Zealand, on 21 May 1892. While landing machinery at Long Island she parted her cables in heavy weather and went ashore. A court of inquiry decided that she would not have been lost if she had been better found in ground tackle.[14]

References

  1. ^ Flinders, Matthew (1814). A Voyage to Terra Australis: Undertaken for the purpose of completing the discovery of that vast country, and prosecuted in the years 1801, 1802 and 1803, in His Majesty's ship the Investigator, and subsequently in the armed vessel Porpoise and Cumberland schooner 1. G & W Nichol. 
  2. ^ Publication 127: Sailing Directions (Enroute): East Coast of Australia and New Zealand (PDF) (8th ed.). Bethesda, Maryland: National Geospatial Intelligence Agency (NGA). 2004. 
  3. ^ Horsburgh, James (1836), Sailing to and from the East Indies, China, New Holland, Cape of Good Hope, and the interjacent Ports, compiled chiefly from original Journals and Observations made during 21 years' experience in navigating those Seas: Supplement, London: Allen and Company, p. 35 
  4. ^ Boyd, Mathew. "Log of the Bellona". British Library, Oriental and India Office Collection. 
  5. ^ Alt, Mathew Bowes. "Log of the Chesterfield". British Library, Stowe MS 794. 
  6. ^ Bampton, William Wright. "Log of the Shah Hormuzeer". Royal Naval Museum, Portsmouth, Ad. Lib., MSS 72/12. 
  7. ^ Denham, H.M. "Outer route from Sydney to Torres Strait: Proceedings of HMS Herald, Captain H.M. Denham, Extract of a letter to Captain Washington RN, Hydrographer to the Admiralty". The Nautical Magazine 29: 169–173. 
  8. ^ Denham, H.M. "Journal of HMS Herald". UK Hydrographic Office OD 90, The National Archives Adm. 55/73. Chart: UK Hydrographic Office D 6149 on 39d (or an adjacent number).: UK Hydrographic Office. 
  9. ^ Thiercelin, L. (1866). Journal d’un Baleinier: voyages en océanie (in French) 1. Hachette. pp. 211–233. 
  10. ^ Moniteur de la Nouvelle Calédonie. 5 July 1863. 
  11. ^ Brun, L.O.; Chazeau, J. (1986), Catalogue des ravageurs d'intérêt agricole de Nouvelle-Calédonie (PDF) (in French) (2nd ed.), Institut Français de recherche scientifique pour le développement en coopération 
  12. ^ Bourne, W.R.P.; et al. (2005). in 1858–60"Herald"The Birds of the Southern Coral Sea Including Observations by HMS (PDF). Atoll Research Bulletin (Smithsonian Institution) 541. Retrieved 2013-04-12. 
  13. ^ Stone, Peter (2003), Coral Sea and Northern Great Barrier Reef Shipwrecks, Encyclopedia of Australian Shipwrecks, Yarram, Victoria, Australia: Oceans Enterprises, retrieved 2013-04-23 
  14. ^ a b c d e f g Loney, J. K. (Jack Kenneth) (1982), Australian Shipwrecks Vol. 3: 1871–1900, Geelong, Victoria, Australia: List Publishing 
  15. ^ a b c d e f Loney, J. K. (Jack Kenneth) (1980), Australian Shipwrecks Vol. 2: 1851–1871, Geelong, Victoria, Australia: List Publishing 

Further reading

  • Bateson, Charles. Australian shipwrecks Vol. 1 1622–1850, (print), Sydney: Reed.
  • Borsa, Philippe, Mireille Pandolfi, Serge Andréfouët, and Vincent Bretagnolle. "Breeding Avifauna of the Chesterfield Islands, Coral Sea: Current Population Sizes, Trends, and Threats." Pacific Science vol. 64, Issue 2. pp. 297–314.
  • Cohic, F. (1959) "Report on a Visit to the Chesterfield Islands, September 1957." Atoll Research Bulletin No. 63 (May 15, 1959). http://www.sil.si.edu/digitalcollections/atollresearchbulletin/issues/00063.pdf Accessed 4-19-2013.
  • Findlay, A. (1851) A Directory for the Navigation of the Pacific Ocean, (print), London.
  • Harding, John. THE CORAL SEA...French Territory. (web). http://www.thejohnharding.com/archives/00001639.htm Accessed 4-19-2013. Photograph from Loop Island.
  • Loney, J. K. (1987) Australian shipwrecks Vol. 4 1901–1986, (print), Portarlington, Victoria: Marine History Publications.
  • Loney, J. K. (1991) Australian shipwrecks Vol. 5 Update 1986, (print), Portarlington, Victoria: Marine History Publications.

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