亚热带资源与环境学报
亞熱帶資源與環境學報
아열대자원여배경학보
Journal of Subtropical Resources and Environment
2015年
3期
11-16
,共6页
江淼华%徐素云%许辰森%曾宏达%王库
江淼華%徐素雲%許辰森%曾宏達%王庫
강묘화%서소운%허신삼%증굉체%왕고
多环芳烃%功能区%垂直剖面%来源
多環芳烴%功能區%垂直剖麵%來源
다배방경%공능구%수직부면%래원
PAHs%functional zones%vertical section%sources
为探索治理持久性有机污染物的理论依据, 本研究对福州市鼓楼区居民区、 道路和公园3种功能区的城市绿地土壤中的多环芳烃 ( PAHs) 进行分析, 并比较了不同功能区绿地表层土壤 (0~20 cm) PAHs的污染程度. 研究结果表明: 福州市区不同功能区绿地表层的土壤都受到一定程度的多环芳烃污染, 检测的15种多环芳烃的含量在不同功能区绿地表层土壤不同深度分布存在差异. 在0 ~10 cm土层中, PAHs含量表现为: 居民区>道路>公园, 而在10~20 cm土层中则为: 公园>道路>居民区, 且在该土层中多环芳烃的含量总体高于0~10 cm的含量. 参照荷兰土壤PAHs污染标准, 鼓楼区绿地土壤均受到不同程度的PAHs污染, 其中10~20 cm土层中多环芳烃的超标率高于0~10 cm. 不同功能区绿地表层土壤中多环芳烃的来源受多种因素的影响, 主要因素为生物燃烧源.
為探索治理持久性有機汙染物的理論依據, 本研究對福州市鼓樓區居民區、 道路和公園3種功能區的城市綠地土壤中的多環芳烴 ( PAHs) 進行分析, 併比較瞭不同功能區綠地錶層土壤 (0~20 cm) PAHs的汙染程度. 研究結果錶明: 福州市區不同功能區綠地錶層的土壤都受到一定程度的多環芳烴汙染, 檢測的15種多環芳烴的含量在不同功能區綠地錶層土壤不同深度分佈存在差異. 在0 ~10 cm土層中, PAHs含量錶現為: 居民區>道路>公園, 而在10~20 cm土層中則為: 公園>道路>居民區, 且在該土層中多環芳烴的含量總體高于0~10 cm的含量. 參照荷蘭土壤PAHs汙染標準, 鼓樓區綠地土壤均受到不同程度的PAHs汙染, 其中10~20 cm土層中多環芳烴的超標率高于0~10 cm. 不同功能區綠地錶層土壤中多環芳烴的來源受多種因素的影響, 主要因素為生物燃燒源.
위탐색치리지구성유궤오염물적이론의거, 본연구대복주시고루구거민구、 도로화공완3충공능구적성시록지토양중적다배방경 ( PAHs) 진행분석, 병비교료불동공능구록지표층토양 (0~20 cm) PAHs적오염정도. 연구결과표명: 복주시구불동공능구록지표층적토양도수도일정정도적다배방경오염, 검측적15충다배방경적함량재불동공능구록지표층토양불동심도분포존재차이. 재0 ~10 cm토층중, PAHs함량표현위: 거민구>도로>공완, 이재10~20 cm토층중칙위: 공완>도로>거민구, 차재해토층중다배방경적함량총체고우0~10 cm적함량. 삼조하란토양PAHs오염표준, 고루구록지토양균수도불동정도적PAHs오염, 기중10~20 cm토층중다배방경적초표솔고우0~10 cm. 불동공능구록지표층토양중다배방경적래원수다충인소적영향, 주요인소위생물연소원.
Content of polycyclic aromatic hydrocarbons ( PAHs) were analyzed and studied by collect-ed soil samples from various functional zones, including streets, residential areas and parks, in Gulou district of Fuzhou, China. Results showed that soils sampled from all functional zones were polluted by PAHs. Total PAHs′ contents in soils at different function zones were ordered by residential areas >streets>parks at 0~10 cm soil layers, while, they showed the order as parks>streets>residential ar-ea at 10~20 cm soil layers. Compared with the Netherland′s soil standards of PAHs pollution, soils in Gulou were polluted. The PAHs in 10~20 cm soil layers were higher than that of in 0 ~10 cm soil layers. The sources of PAHs in various functional zones were affected by multiple factors, and among of them biomass burning was their major contributor.