Marshall Islands
Map of the Marshall Islands
Geography
LocationOceania
Coordinates9°00′N 168°00′E / 9.000°N 168.000°E / 9.000; 168.000
Adjacent toPacific Ocean
Total islands1,152
Area181.3 km2 (70.0 sq mi)
Coastline370.4 km (230.16 mi)
Administration
Largest settlementMajuro
Additional information
Time zone

The Marshall Islands consist of two archipelagic island chains of 30 atolls and 1,152 islands, which form two parallel groups—the "Ratak" (sunrise) chain and the "Ralik" (sunset) chain. The Marshalls are located in the North Pacific Ocean and share maritime boundaries with Micronesia and Kiribati. Two-thirds of the nation's population lives in the capital of Majuro and the settlement of Ebeye. The outer islands are sparsely populated due to lack of employment opportunities and economic development.

Statistics

The country is located about one-half of the way from Hawaii to Papua New Guinea. The archipelago includes the atolls of Bikini, Enewetak, Kwajalein, Majuro, Rongelap, and Utirik.

The total area of the islands is equal to the size of the City of Washington, DC. The largest atoll with a land area of 6 square miles (16 km2) is Kwajalein.[1] The terrain consists of low coral limestone and sand islands. Natural resources include coconut products, marine products, and deep seabed minerals. Current environmental issues are inadequate supplies of potable water; pollution of Majuro lagoon from household waste and discharges from fishing vessels.

Maritime claims:
territorial sea: 12 nautical miles
contiguous zone: 24 nm
exclusive economic zone: 200 nm

Elevation extremes:
lowest point: Pacific Ocean 0 meters
highest point: unnamed location on Likiep Atoll 10 meters (33 ft) above sea level

Land use:
arable land: 11.11%
permanent crops: 44.44%
other: 44.44% (2011)

Environment - international agreements:
party to: Biodiversity, Climate Change, Climate Change-Kyoto Protocol, Desertification, Hazardous Wastes, Law of the Sea, Ozone Layer Protection, Ship Pollution, Wetlands, Whaling

Bikini and Enewetak are former US nuclear test sites; Kwajalein, the famous World War II battleground, is now used as a US missile test range; the island city of Ebeye is the second largest settlement in the Marshall Islands, after the capital of Majuro, and one of the most densely populated locations in the Pacific.[2]

Majuro and Arno Atolls

Climate

Tropical; hot and humid with a Koeppen-Geiger classification of Af.[3] The wet season lasts from May to November and the islands border the typhoon belt. Typhoons do pose an infrequent threat from July to mid November.[3]

Due to their low elevation, the Marshall Islands are threatened by the potential effects of sea level rise.[4] According to the President of Nauru, the Marshall Islands are the most endangered nation on Earth due to flooding from climate change.[5]

A study by the University of Plymouth found that the tides move sediment to create higher elevation, which may keep the islands habitable.[6]

Climate data for Majuro (Köppen Af)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 33
(92)		 33
(91)		 32
(90)		 32
(90)		 32
(90)		 33
(92)		 36
(96)		 34
(94)		 32
(90)		 34
(93)		 34
(93)		 33
(91)		 36
(96)
Mean daily maximum °C (°F) 29.8
(85.7)		 29.9
(85.9)		 30.0
(86.0)		 30.1
(86.1)		 30.2
(86.3)		 30.2
(86.3)		 30.3
(86.6)		 30.4
(86.7)		 30.5
(86.9)		 30.4
(86.8)		 30.0
(86.0)		 30.3
(86.5)		 30.2
(86.3)
Daily mean °C (°F) 27.7
(81.9)		 27.8
(82.0)		 27.9
(82.2)		 27.9
(82.2)		 28.0
(82.4)		 27.9
(82.2)		 28.0
(82.4)		 28.1
(82.5)		 28.1
(82.6)		 28.1
(82.5)		 27.9
(82.3)		 27.9
(82.2)		 27.9
(82.3)
Mean daily minimum °C (°F) 25.6
(78.1)		 25.6
(78.0)		 25.7
(78.3)		 25.7
(78.3)		 25.8
(78.4)		 25.6
(78.1)		 25.7
(78.2)		 25.7
(78.3)		 25.7
(78.3)		 25.7
(78.2)		 25.6
(78.1)		 25.7
(78.3)		 25.7
(78.2)
Record low °C (°F) 21
(69)		 21
(70)		 21
(70)		 21
(70)		 21
(70)		 21
(70)		 21
(70)		 22
(71)		 21
(70)		 21
(70)		 20
(68)		 21
(70)		 20
(68)
Average precipitation mm (inches) 209
(8.24)		 194
(7.62)		 220
(8.65)		 282
(11.12)		 272
(10.71)		 282
(11.10)		 278
(10.96)		 284
(11.18)		 320
(12.60)		 350
(13.79)		 341
(13.41)		 302
(11.88)		 3,334
(131.26)
Average precipitation days (≥ 0.01 in) 19.6 16.7 18.1 19.3 23.0 22.9 24.1 22.6 22.6 23.9 23.2 22.6 258.6
Average relative humidity (%) 77.7 77.1 79.0 80.7 81.9 81.1 80.5 79.3 79.4 79.4 79.9 79.7 79.6
Mean monthly sunshine hours 224.4 218.6 252.8 219.4 224.8 210.8 217.0 232.2 217.8 205.4 191.4 197.4 2,612
Percent possible sunshine 61 66 67 60 58 56 56 61 60 55 54 54 59
Source: NOAA (relative humidity and sun 1961–1990)[7][8][9]
Climate data for Kwajalein Atoll (Köppen Af)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 32.2
(90.0)		 32.2
(90.0)		 32.2
(90.0)		 32.2
(90.0)		 32.8
(91.0)		 32.2
(90.0)		 32.8
(91.0)		 32.8
(91.0)		 33.3
(91.9)		 33.3
(91.9)		 33.3
(91.9)		 31.7
(89.1)		 33.3
(91.9)
Mean daily maximum °C (°F) 29.9
(85.8)		 30.3
(86.5)		 30.6
(87.1)		 30.4
(86.7)		 30.4
(86.7)		 30.4
(86.7)		 30.4
(86.7)		 30.6
(87.1)		 30.6
(87.1)		 30.6
(87.1)		 30.4
(86.7)		 30.1
(86.2)		 30.4
(86.7)
Daily mean °C (°F) 27.4
(81.3)		 27.7
(81.9)		 27.9
(82.2)		 27.8
(82.0)		 27.8
(82.0)		 27.8
(82.0)		 27.7
(81.9)		 27.9
(82.2)		 27.8
(82.0)		 27.9
(82.2)		 27.8
(82.0)		 27.6
(81.7)		 27.8
(82.0)
Mean daily minimum °C (°F) 25.0
(77.0)		 25.1
(77.2)		 25.2
(77.4)		 25.2
(77.4)		 25.2
(77.4)		 25.1
(77.2)		 25.1
(77.2)		 25.1
(77.2)		 25.1
(77.2)		 25.2
(77.4)		 25.2
(77.4)		 25.2
(77.4)		 25.1
(77.2)
Record low °C (°F) 20.0
(68.0)		 21.7
(71.1)		 21.1
(70.0)		 21.7
(71.1)		 21.7
(71.1)		 21.7
(71.1)		 21.7
(71.1)		 21.7
(71.1)		 20.0
(68.0)		 21.7
(71.1)		 21.1
(70.0)		 20.6
(69.1)		 20.0
(68.0)
Average precipitation mm (inches) 115.8
(4.56)		 82.0
(3.23)		 104.1
(4.10)		 191.8
(7.55)		 253.5
(9.98)		 244.3
(9.62)		 265.2
(10.44)		 256.8
(10.11)		 300.5
(11.83)		 302.5
(11.91)		 270.8
(10.66)		 205.7
(8.10)		 2,593
(102.09)
Average precipitation days (≥ 1.0 mm) 10.2 8.4 10.6 12.7 17.7 18.7 19.5 20.0 19.8 19.9 18.3 15.0 190.8
Average relative humidity (%) 76.7 76.1 77.1 79.7 82.5 82.0 81.8 80.9 80.9 80.8 80.2 78.8 79.8
Source: NOAA[10]

Climate change

Climate change is a serious threat to the Marshall Islands, with typhoons becoming stronger and sea levels rising. The sea around Pacific islands has risen 7mm a year since 1993, which is more than twice the rate of the worldwide average. In Kwajalein, there is a high risk of permanent flooding; when sea level rise to 1 meter, 37% of buildings will be permanently flooded in that scenario. In Ebeye, the risk of sea level rise is even higher, with 50% of buildings being permanently flooded in the same scenario. With 1 meter sea level rise parts of the Majuro atoll will be permanently flooded and other parts are having a high risk of flooding especially the eastern part of the atoll would be significantly at risk. With 2 meter sea level rise all the buildings of Majuro will be permanently flooded or would be at a high risk to be flooded.[11]

The per capita CO2 emissions were 2.56t in 2020.[12] The government of Marshall Islands pledged to be net zero in 2050, with a decrease of 32% decrease of GHGs in 2025, 45% decrease in 2030 and a 58% decrease in 2035 all compared to 2010 levels.[13]

Extreme points

Image of Bikrin Islet, Majuro Atoll, one of the many landmasses of the Marshall Islands.

This is a list of the extreme points of the Marshall Islands, the points that are farther north, south, east or west than any other location.

References

  1. ↑ "Marshallese Topography & Culture". AtomicAtolls.org. Retrieved 2021-07-18.
  2. ↑ "Australia - Oceania :: Marshall Islands — The World Factbook - Central Intelligence Agency". cia.gov. Retrieved 2019-03-22.
  3. 1 2 "Climate of the World: Marshall Islands | weatheronline.co.uk". weatheronline.co.uk. Retrieved 2019-03-22.
  4. ↑ ClimateWire, Julia Pyper. "Storm Surges, Rising Seas Could Doom Pacific Islands This Century". Scientific American. Retrieved 2019-03-26.
  5. ↑ Stephen, Marcus (November 14, 2011). "A sinking feeling: why is the president of the tiny Pacific island nation of Nauru so concerned about climate change? - Free Online Library". thefreelibrary.com. Retrieved 2019-03-26.
  6. ↑ Taylor, Michael. "Small islands may not disappear under rising seas, researchers find". Thomson Reuters Foundation. Retrieved 29 June 2020.
  7. ↑ "NowData - NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved September 11, 2021.
  8. ↑ "Station: Majuro WBAS AP, MH RM". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. Retrieved September 11, 2021.
  9. ↑ "WMO Climate Normals for Majuro, PI 1961–1990". National Oceanic and Atmospheric Administration. Archived from the original on September 11, 2021. Retrieved September 11, 2021.
  10. ↑ "Kwajalein Island Climate Normals 1961–1990". National Oceanic and Atmospheric Administration. Retrieved April 24, 2015.
  11. ↑ "Adapting to rising sea levels in Marshall Islands". ArcGIS StoryMaps. 2021-10-22. Archived from the original on 2021-11-14. Retrieved 2021-11-14.
  12. ↑ Ritchie, Hannah; Roser, Max (2020-05-11). "CO₂ and Greenhouse Gas Emissions". Our World in Data. Archived from the original on 2021-11-14. Retrieved 2021-11-14.
  13. ↑ "The Republic of the Marshall Islands Nationally Determined Contribution" (PDF). Archived (PDF) from the original on 2021-11-02. Retrieved 2021-11-14.

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