深圳东部近岸海域溶解氧的时空分布特征

doi:10.11978/2018021

Abstract

Abstract:

In the present work, we analyzed the spatial and temporal distribution of dissolved oxygen (DO) and the relationships between DO and water quality parameters of coastal waters in the eastern Shenzhen area. The data were collected from nine automated monitoring buoy platforms from 2012 to 2016. The results showed the ranges of DO in Daya Bay and Mirs Bay were from 2.15 to 14.86 mg·L^-1 and from 1.43 to 15.61 mg·L^-1, respectively. The mean DO in Daya Bay and Mirs Bay were 7.31 and 7.13 mg·L^-1, respectively. Analysis showed the DO during daytime was higher than in nighttime, and the DO was higher during winter than in the other seasons. For comparison between locations, the DO in Daya Bay was higher than Mirs Bay in fall and summer but showed no difference in spring and winter. Pearson’s correlation analysis revealed the DO exhibited seasonally dependent linear relationships with temperature, salinity, turbidity, and chlorophyll-a concentration, respectively.

Key words: Shenzhen, nearshore, online monitoring, dissolved oxygen, temporal and spatial distributions

CLC Number:

P734.22

Xiaoshan ZHUANG, Qingliu HUAN, Ying PENG, Jieliang WANG, Rensong PANG, Kai ZHOU. Spatial and temporal distribution of dissolved oxygen in the coastal waters of eastern Shenzhen[J].Journal of Tropical Oceanography, 2018, 37(5): 98-105.

Figures/Tables 12

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References 10

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	站位	东经/°	北纬/°	时间范围/(年.月)
大亚湾	FBDY1坝光	114°33'18.60"	22°39'34.19"	2013.12—2016.12
	FBDY2核电站	114°34'39.108"	22°36'42.012"	2013.7—2016.12
	FBDY3东山	114°31'4.20"	22°34'10.8"	2012.1—2016.12
	FBDY5东冲	114°34'17.4"	22°28'27.599988"	2013.10—2016.12
大鹏湾	FBDP1沙头角	114°15'32"	22°33'5"	2014.8—2016.12
	FBDP2大梅沙	114°18'48"	22°35'36"	2012.1—2016.12
	FBDP3下沙	114°27'20.4"	22°34'1.2"	2012.1—2016.12
	FBDP4南澳	114°28'40.20"	22°31'31.8"	2012.1—2016.12
	FBDP5大鹏湾湾口	114°29'14"	22°25'49"	2014.7—2016.12

	大亚湾				大鹏湾
站位	FBDY1 坝光	FBDY2 核电站	FBDY3 东山	FBDY5 东冲	FBDP1 沙头角	FBDP2 大梅沙	FBDP3 下沙	FBDP4 南澳	FBDP5 大鹏湾湾口
观测次数	49866	422262	80440	48537	49866	708081	82696	82649	22488

海区	溶解氧浓度绝对含量(mg·L^-1)
	春季		夏季		秋季		冬季
	量值范围	平均值	量值范围	平均值	量值范围	平均值	量值范围	平均值
大鹏湾	3.11~21.89	7.45	1.04~23.06	6.85	1.07~10.69	6.26	2.12~19.22	8.06
大亚湾	1.47~20.03	7.45	0.39~21.34	7.04	0.25~17.28	6.64	2.4~19.28	8.10

海域季节		pH		水温	盐度		浊度
大亚湾	夏季	-0.127**	0.343**	0.163**	-0.066**	0.194**	0.054**
大亚湾	冬季	-0.008	0.570**	-0.399**	0.393**	0.303**	-0.007
大鹏湾	夏季	0.009*	0.181**	0.125**	0.126**	0.140**	-0.652**
大鹏湾	冬季	0.682**	0.489**	0.405**	0.175**	0.200**	-0.066**

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Spatial and temporal distribution of dissolved oxygen in the coastal waters of eastern Shenzhen

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