title: Identification of Surface Water Quality along the Coast of Sanya, South China Sea.
abstract: Principal component analysis (PCA) and cluster analysis (CA) are utilized to identify the effects caused by human activities on water quality along the coast of Sanya, South China Sea. PCA and CA identify the seasonality of water quality (dry and wet seasons) and polluted status (polluted area). The seasonality of water quality is related to climate change and Southeast monsoons. Spatial pattern is mainly related to anthropogenic activities (especially land input of pollutions). PCA reveals the characteristics underlying the generation of coastal water quality. The temporal and spatial variation of the trophic status along the coast of Sanya is governed by hydrodynamics and human activities. The results provide a novel typological understanding of seasonal trophic status in a shallow, tropical, open marine bay.
authors.affiliation: State Key Laboratory of Tropical Oceanography and Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China; Haikou Marine Environmental Monitoring Central Station, State Oceanic Administration, Haikou, China.
authors.forename: Zhen-Zhen
authors.initials: ZZ
authors.lastname: Wu
authors.affiliation: Haikou Marine Environmental Monitoring Central Station, State Oceanic Administration, Haikou, China.
authors.forename: Zhi-Wei
authors.initials: ZW
authors.lastname: Che
authors.affiliation: State Key Laboratory of Tropical Oceanography and Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.
authors.forename: You-Shao
authors.initials: YS
authors.lastname: Wang
authors.affiliation: State Key Laboratory of Tropical Oceanography and Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China; Tropical Marine Biological Research Station in Hainan, Chinese Academy of Sciences, Sanya, China.
authors.forename: Jun-De
authors.initials: JD
authors.lastname: Dong
authors.affiliation: State Key Laboratory of Tropical Oceanography and Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.
authors.forename: Mei-Lin
authors.initials: ML
authors.lastname: Wu
mesh_terms: D002681:China; D002734:Chlorophyll / Q000032:analysis; D000077194:Chlorophyll A; D016000:Cluster Analysis; D017753:Ecosystem; D005843:Geography; D019216:Metals, Heavy / Q000032:analysis; D009566:Nitrates / Q000032:analysis; D009792:Oceans and Seas; D025341:Principal Component Analysis; D012621:Seasons; D012623:Seawater; D013696:Temperature; D013997:Time Factors; D014874:Water Pollutants, Chemical / Q000032:analysis; D060753:Water Quality
chemical_list: D019216:Metals, Heavy; D009566:Nitrates; D014874:Water Pollutants, Chemical; D002734:Chlorophyll; D000077194:Chlorophyll A