Tsai, C.W.C.W.TsaiTreadwell, H.H.TreadwellWAN-SHAN TSAI2019-12-242019-12-242019https://scholars.lib.ntu.edu.tw/handle/123456789/438187Analysis of trends and variability of toxic concentrations in the Niagara River using the Hilbert-Huang transform methodjournal article10.1016/j.ecoinf.2019.02.0082-s2.0-85063048166https://www.scopus.com/inward/record.uri?eid=2-s2.0-85063048166&doi=10.1016%2fj.ecoinf.2019.02.008&partnerID=40&md5=8212567eff4fa5faf97438c9f0075e73