TITLE:
The Effects of Meteorological Factors Anomalies on Oceanic Coral Reef Systems in the Northwestern South China Sea
AUTHORS:
Lingli Fan, Yuchun Shen
KEYWORDS:
Coral Reef Systems, Sea Surface Temperature, Divergence, Downwelling
JOURNAL NAME:
Journal of Geoscience and Environment Protection,
Vol.3 No.2,
April
1,
2015
ABSTRACT: Climate warming, variation of East
Asian atmospheric system have affected the Chinese offshore environment through
the air-sea interaction, the coastal waters of South China Sea had been influenced,
leading a corresponding impact on the coral reef growth. This paper reports on coral
coverage and dominant coral species changes in Xu wen National Coral Reef Nature
Reserve, examines their relationship with meteorological factors anomalies recorded
by satellite. The study reveals that: compared to the period from 1979 to 2003,
the temperature of surface coastal water dropped significantly in South China Sea
in 2004-2008, the divergence of low layer of atmosphere over it strengthened, produced
a zonal westerly anomaly field, which had an opposite direction to the local northeastern
trade wind. The increasing of suspended matter in water, the decreasing of down
welling in northwestern South China Sea, made the water quality deteriorating, water
transparency decreased significantly, coral reef survival environment worsened,
which would cause adverse effects on coral reef building capacity in the Reserve.
Continued monitoring efforts are necessary to further assess the relationship between
coral building capacity and in situ meteorological factors anomalies and improve
the use of the dataset in future regional degradation predictions.