caa a22 4500 467945020 CHVBK 20180405193736.0 cr unu---uuuuu 170328e20041001xx s 000 0 eng 10.1007/s10872-004-5777-7 doi (NATIONALLICENCE)springer-10.1007/s10872-004-5777-7 (NATIONALLICENCE)springer-10.1007/s10872-005-5777-2 Examination of the Merged Sea Surface Temperature Using Wavelet Analysis [Elektronische Daten] [Kohtaro Hosoda, Hiroshi Kawamura] In the previous study, merged sea surface temperature (SST) dataset called "New Generation SST” has been produced from several infrared and microwave satellite SSTs through an objective mapping. Here we examine the merged SST by comparison with moored buoy SST at 1 m depth, which is treated as true sea surface temperature. Comparison between wavelet spectra of merged and buoy SSTs shows that the former have larger amplitudes than those of the latter, which is partly explained as an aliasing effect due to TRMM Microwave Imager (TMI) aboard Tropical Rainfall Measuring Mission (TRMM) sampling on merged products. Coherency between wavelet-decomposed merged and buoy SSTs has high values in autumn and low ones in winter to spring. In winter, phase differences between them are positive, meaning that wavelet components of merged SST lag those of buoy SST. Reasons for delay and low coherency are: (1) seasonal components of merged SSTs are strongly affected by a lack of infrared SSTs due to clouds in winter, and (2) small-scale oceanic features, undetectable by coarse-resolution microwave SSTs, are blurred by the merging process. Improvements of merging methodology are discussed with regard to present study results. The Oceanographic Society of Japan, 2004 Merged SST nationallicence satellite SST nationallicence wavelet analysis nationallicence Kuroshio recirculation region nationallicence Hosoda Kohtaro Center for Atmospheric and Oceanic Studies, Graduate School of Science, Tohoku University, Aoba, 980-8578, Sendai, Japan aut Kawamura Hiroshi Center for Atmospheric and Oceanic Studies, Graduate School of Science, Tohoku University, Aoba, 980-8578, Sendai, Japan aut Journal of Oceanography Kluwer Academic Publishers 60/5(2004-10-01), 843-852 0916-8370 60:5<843 2004 60 10872 https://doi.org/10.1007/s10872-004-5777-7 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10872-004-5777-7 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Hosoda Kohtaro Center for Atmospheric and Oceanic Studies, Graduate School of Science, Tohoku University, Aoba, 980-8578, Sendai, Japan aut NATIONALLICENCE 700 1- Kawamura Hiroshi Center for Atmospheric and Oceanic Studies, Graduate School of Science, Tohoku University, Aoba, 980-8578, Sendai, Japan aut NATIONALLICENCE 773 0- Journal of Oceanography Kluwer Academic Publishers 60/5(2004-10-01), 843-852 0916-8370 60:5<843 2004 60 10872 NATIONALLICENCE 700 1- Hosoda Kohtaro Center for Atmospheric and Oceanic Studies, Graduate School of Science, Tohoku University, 980-8578, Aoba, Sendai, Japan aut NATIONALLICENCE 700 1- Kawamura Hiroshi Center for Atmospheric and Oceanic Studies, Graduate School of Science, Tohoku University, 980-8578, Aoba, Sendai, Japan aut NATIONALLICENCE 856 40 https://doi.org/10.1007/s10872-005-5777-2 text/html Onlinezugriff via DOI Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE NATIONALLICENCE NL-springer