文献类型：期刊文献

英文题名：A Modified Interpolation Method for Surface Total Nitrogen in the Bohai Sea

作者：Liu, Yongzhi[1];Yu, Jie[1,2];Shen, Youli[1,3];Lv, Xianqing[1]

机构：[1]Ocean Univ China, Phys Oceanog Lab, 238 Songling Rd, Qingdao 266003, Peoples R China;[2]Guangdong Ocean Univ, Coll Ocean & Meteorol, Guangdong Prov Key Lab Coastal Ocean Variat & Dis, Guangzhou, Guangdong, Peoples R China;[3]State Ocean Adm, Beihai Marine Environm Monitoring Ctr Stn, Beihai, Peoples R China

年份：2016

卷号：33

期号：7

起止页码：1509

外文期刊名：JOURNAL OF ATMOSPHERIC AND OCEANIC TECHNOLOGY

收录：SCI-EXPANDED(收录号：WOS:000381415000004)、、EI(收录号：20163302712264)、Scopus(收录号：2-s2.0-84981272222)、WOS

基金：Partial support for this research was provided by the Natural Science Foundation of Shandong Province of China through Grant ZR2014DM017, the State Ministry of Science and Technology of China through Grant 2013AA122803, and the Ministry of Education's 111 Project through Grant B07036.

语种：英文

外文关键词：Errors - Nitrogen - Numerical methods

外文摘要：A modified Cressman interpolation method (MCIM) is presented for the routine monitoring data of total nitrogen (TN) in the Bohai Sea to reduce interpolation errors by decreasing the influence radius and introducing background value. In twin experiments, two prescribed distributions are successfully estimated by MCIM with lower interpolation errors than the traditional Cressman interpolation method (TCIM) and the kriging method. In practical experiments, cross validation is applied to evaluate the interpolation results for four quarters in 2009 and 2010. Practical experimental results show that the interpolation results obtained with MCIM are greatly improved and can describe the spatial distribution characteristics of TN in the Bohai Sea with lower mean absolute error than the kriging method.