發(fā)布時間：2018-01-03 17:45

  本文關(guān)鍵詞：基于非線性規(guī)劃的萊州灣營養(yǎng)鹽環(huán)境容量計算　出處：《海洋科學(xué)進(jìn)展》2016年02期 　論文類型：期刊論文

  更多相關(guān)文章： 營養(yǎng)鹽 萊州灣 非保守物質(zhì) 環(huán)境容量 非線性規(guī)劃

【摘要】：在前人研究的基礎(chǔ)上提出了基于非線性規(guī)劃的排海通量最優(yōu)化法(簡稱非線性規(guī)劃法),以進(jìn)行海域內(nèi)非保守物質(zhì)環(huán)境容量計算,并選取萊州灣這個水動力較強(qiáng)、面積較大的半封閉海域進(jìn)行模擬、計算。為更好地保護(hù)生態(tài)環(huán)境,對于氮(N)、磷(P)等非保守物質(zhì)(以無機(jī)氮(DIN)、無機(jī)磷(DIP)為例進(jìn)行分析),選取其月最高濃度場數(shù)據(jù),依次計算出萊州灣海域每個月的營養(yǎng)鹽響應(yīng)系數(shù)場,并進(jìn)一步使用非線性規(guī)劃法求解出營養(yǎng)鹽的月環(huán)境容量。最終計算結(jié)果顯示,21世紀(jì)初萊州灣的營養(yǎng)鹽環(huán)境容量為:在保持萊州灣DIP排放現(xiàn)狀不變的前提下,其DIN年環(huán)境容量為21 843t/a,剩余年環(huán)境容量為-8 264t/a,需要減少點(diǎn)源DIN的排放量;而在保持萊州灣DIN排放現(xiàn)狀不變的前提下,其DIP年環(huán)境容量為1 794t/a,剩余年環(huán)境容量達(dá)1 485t/a,可繼續(xù)容納部分DIP的排放。
[Abstract]:On the basis of previous studies, a nonlinear programming optimization method is proposed to calculate the environmental capacity of non-conservative materials in the sea area. In order to better protect the ecological environment, the Laizhou Bay, a semi-enclosed sea area with strong hydrodynamic force and larger area, is simulated and calculated. The data of the monthly maximum concentration field were selected for the analysis of non-conservative substances such as phosphorus (P) and other non-conservative substances (such as inorganic nitrogen (DINA), inorganic phosphorus (DIPP)). The monthly nutrient response coefficient field in Laizhou Bay was calculated in turn, and the monthly environmental capacity of nutrient was calculated by nonlinear programming method. In 21th century, the environmental capacity of nutrient in Laizhou Bay was: the annual environmental capacity of DIN was 21 843 t / a on the premise of keeping the present situation of DIP emission unchanged in Laizhou Bay. The environmental capacity for the rest of the year is -8,264 t / a, which requires a reduction in point source DIN emissions; On the premise of keeping the DIN emission status unchanged in Laizhou Bay, the annual environmental capacity of DIP is 1794 t / a, and the remaining annual environmental capacity is 1 485 t / a. Can continue to accommodate part of the DIP emissions.
【作者單位】： 國家海洋局北海信息中心;中國海洋大學(xué)物理海洋實驗室;海軍北海艦隊海洋水文氣象中心;
【基金】：2015年北海分局海洋科技項目——海洋站海冰觀測資料的質(zhì)控方法研究與初步應(yīng)用(2015B14)
【分類號】：X26;X55
【正文快照】： 對海域污染物的環(huán)境容量的研究是由對河流、湖泊污染物環(huán)境容量的研究拓展到海洋領(lǐng)域所形成的。環(huán)境容量最初只應(yīng)用于國外海域污染物的排海通量控制[1-4],后被我國學(xué)者借鑒和應(yīng)用,并不斷得以發(fā)展[5-8]。污染物在海洋環(huán)境中發(fā)生的物理、化學(xué)、生物等自凈過程共同決定了其環(huán)境容，

本文編號：1374948