Distribution features of meteorological parameters in Truong Sa archipelago area

Authors

  • Le Dinh Mau Institute of Oceanography, VAST, Vietnam
  • Vlasova G. A. V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences (POI FEB RAS), Russia
  • Demenok M. N. V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences (POI FEB RAS), Russia
  • Pham Sy Hoan Institute of Oceanography, VAST, Vietnam
  • Nguyen Thi Thuy Dung Institute of Oceanography, VAST, Vietnam
  • Nguyen Van Tuan Institute of Oceanography, VAST, Vietnam
  • Nguyen Duc Thinh Institute of Oceanography, VAST, Vietnam
  • Pham Ba Trung Institute of Oceanography, VAST, Vietnam
  • Tran Van Binh Institute of Oceanography, VAST, Vietnam

DOI:

https://doi.org/10.15625/1859-3097/15323

Keywords:

Truong Sa archipelago, hydro-meteorological, wind, tropical cyclon

Abstract

This paper presents the distribution features of observed meteorological parameters in Truong Sa archipelago area including wind, tropical cyclone, and average values of solar radiation, air temperature, air humidity, rainfall. Observed data were collected from Truong Sa island hydro-meteorological station. In particular, data of tropical cyclones affecting Truong Sa archipelago area were collected from the websites http://www.jma.go.jp/jma/jma-eng/jma-center/(Japan). Study results show that the main meteorological parameters in Truong Sa archipelago area are affected by solar radiation and monsoonal wind regimes in East Asia region which are Northeast monsoon occurring from November to April and Southwest monsoon occurring from June to September. Transition periods are May and October. Tropical cyclones occur mainly in November–December, maximum wind speed was 64 m/s in typhoon HAIYAN (November 2013). The highest average solar radiation occurs in April (277 hours), the lowest in January (181 hours). The highest average air temperature occurs in April (29.5oC), the lowest in January (26.6oC). The highest average rainfall occurs in November (341 mm), the lowest in March (62 mm). The highest average air humidity occurs in November–December (85%), the lowest in April–May (79%). The highest average water evaporation occurs in March (129 mm), the lowest in December (87 mm).

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References

[1] Mau, L. D., Van Tuan, N., 2014. Estimation of wave characteristics in East Vietnam Sea using WAM model. Vietnam Journal of Marine Science and Technology, 14(3), 212-218.

[2] Mau, L. D., Dung, N. T. T., Hoan, P. S., Van Tuan, N., Cong, N. C., Bac, P. T., and Thanh, N. D., 2019. Activity features of tropical cyclone in Truong Sa archipelago region, Khanh Hoa province. Vietnam Journal of Marine Science and Technology, 19(4A), 35-41. https://doi.org/10.15625/1859-3097/19/4A/14586.

[3] Vlasova, G. A., Xuan, N. B., Demenok, M. N., Long, B. H., and Dung, N. T. T., 2020. Tropical Cyclone in the North of the South China Sea as a Factor Affecting the Structure of the Vietnamese Current. Izvestiya, Atmospheric and Oceanic Physics, 56(4), 390-400. https://doi.org/10.1134/S0001433820040106.

[4] Mau, L. D., Lam, T. H., and Cuong, N. M., 2015. PRESENT STATE OF OCEAN OBSERVATIONS AND SERVICE IN VIETNAM. Vietnam Journal of Marine Science and Technology, 15(4), 309-319. https://doi.org/10.15625/1859-3097/15/4/7376.

[5] World Meteorological Organization, 1966. Some Methods in Climatological Analysis (WMO/TN-No. 81, WMO-No. 199), Geneva.

[6] Phan Van Tan, 1999. Statistical methods for climatology. Hanoi National University Publishing House, 260 p.

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Published

2020-12-29

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Articles