Green Canyon

Green Canyon is an area in the Gulf of Mexico[1] that is rich in oil fields and under the control of the Bureau of Ocean Energy Management. Among other oil fields Green Canyon consist of Atlantis (blocks 699, 700, 742, 743, and 744) operated by BP[2], Marco Polo (block 608) and K2 (blocks 518 and 562) operated by Anadarko Petroleum[3][4], Manatee (block 155) operated by Shell[5], Shenzi (blocks 609, 610, 653, and 654) operated by BHP Billiton[6], Droshky (block 244) operated by Marathon Oil[7], and Tahiti (blocks 596, 597, 640 and 641) operated by Chevron Corporation[8][9].

This article is about the Green Canyon area in the Gulf of Mexico. For the tourist destination in Pangandaran Regency, Indonesia, see Cukang Taneuh.
Green Canyon (the United States)

Block 185 of Green Canyon is known as Bush Hill and is a well known cold seep with a wide array of tube worms.[10] This area was the first place in the Gulf of Mexico where gas hydrates were recovered in piston cores.[11]

Additionally, like most of the Gulf of Mexico, there is a significant amount of salt tectonics.

Blocks in this protraction area are defined in UTM zone 15 north in feet.[12]

Climate

As recorded by a station in Block 184, the air above Green Canyon has a tropical rainforest climate (Köppen climate classification Af), with warm winters and extremely oppressive summers and very low diurnal temperature variation year-round (especially in summer), expected for its location far from any landmasses. Experiencing the purest Gulf influences possible, Green Canyon's summer nighttime low temperatures are some of the highest on Earth for any non-arid location, at least counting those on land. Temperatures below freezing are unknown.

The hot, humid air and warm water during summer and autumn can facilitate the development and sustainment of tropical cyclones, specifically Atlantic hurricanes, the water having surface temperatures above 26 °C (78.8 °F)—the typical threshold for tropical development—from May 25 to October 31 on average, and reaching a maximum of 30 °C (86 °F) on August 5. Precipitation is relatively evenly distributed throughout the year, peaking in late summer at the height of the hurricane season, having a secondary peak in winter, and reaching its nadir in late spring.

Climate data for Green Canyon 184 (27.767°N 91.517°W / 27.767; -91.517 (Green Canyon Block 184))
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average high °F (°C) 69.1
(20.6)		 69.4
(20.8)		 72.1
(22.3)		 75.6
(24.2)		 80.6
(27.0)		 85.5
(29.7)		 88.2
(31.2)		 88.3
(31.3)		 85.7
(29.8)		 81.2
(27.3)		 76.1
(24.5)		 71.9
(22.2)		 78.6
(25.9)
Daily mean °F (°C) 65.9
(18.8)		 66.6
(19.2)		 69.8
(21.0)		 73.7
(23.2)		 78.9
(26.1)		 83.7
(28.7)		 86.2
(30.1)		 86.4
(30.2)		 84.0
(28.9)		 79.1
(26.2)		 73.5
(23.1)		 68.9
(20.5)		 76.4
(24.7)
Average low °F (°C) 62.6
(17.0)		 63.7
(17.6)		 67.6
(19.8)		 71.9
(22.2)		 77.1
(25.1)		 81.8
(27.7)		 84.1
(28.9)		 84.5
(29.2)		 82.4
(28.0)		 77.0
(25.0)		 70.9
(21.6)		 65.5
(18.6)		 74.1
(23.4)
Average precipitation inches (mm) 3.90
(99)		 3.11
(79)		 3.53
(90)		 3.02
(77)		 2.96
(75)		 4.08
(104)		 4.35
(110)		 4.72
(120)		 4.61
(117)		 3.71
(94)		 3.49
(89)		 3.90
(99)		 45.38
(1,153)
Source: Integration of Weatherspark data.[13]
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References
  1. Geographic.org. "Green Canyon: Undersea Features (Full name, Geographic coordinates, map)". Geographical Names. Retrieved 2013-04-13.
  2. "Atlantis". SubseaIQ. Rigzone. Retrieved 2012-01-02.
  3. "Marco Polo Field, United States of America". Offshore Technology. Retrieved 2012-01-02.
  4. "K2 Field, United States of America". Offshore Technology. Retrieved 2012-01-02.
  5. "Manatee Field, Gulf of Mexico, United States of America". Offshore Technology. Retrieved 2012-01-02.
  6. "Shenzi Field, United States of America". Offshore Technology. Retrieved 2012-01-02.
  7. "Droshky Field, Gulf of Mexico, United States of America". Offshore Technology. Retrieved 2012-01-02.
  8. "Tahiti, United States of America". Offshore Technology. Retrieved 2012-01-02.
  9. "Appendix A. Announced Deepwater Discoveries (Sorted by Project Name)". Deepwater Gulf of Mexico - America's Expanding Frontier. Retrieved 2013-04-13.
  10. Buster, Noreen A.; Holmes, Charles W. (2011). Gulf of Mexico Origin, Waters, and Biota. Harte Research Institute for Gulf of Mexico Studies Series. 3. Texas A&M University Press. p. 249. ISBN 978-1-60344-290-9.
  11. "Leasing Activity: Figure 8. Gas hydrates on the seafloor in Green Canyon Block 185". Deepwater Gulf of Mexico - America's Expanding Frontier. Retrieved 2013-04-13.
  12. "Gulf of Mexico: Maps and Spatial Data". Archived from the original on 2011-08-23. Retrieved 2011-08-30.
  13. "Average Weather at Green Canyon 184, Louisiana, United States, Year Round - Weatherspark". Weatherspark (Cedar Lake Ventures, Inc). Retrieved 2019-06-03.

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