- Data from: Carbon dioxide and methane fluxes from different surface types in a created urban wetland(2019-09-29) Li, Xuefei; Wahlroos, Outi; Haapanala, Sami; Pumpanen, Jukka; Vasander, Harri; Ojala1, Anna; Vesala, Timo; Mammarella, Ivan; University of Helsinki - Li, Xuefei; University of Turku - Wahlroos, Outi; Suvilumi - Haapanala, Sami; University of Eastern Finland - Pumpanen, Jukka; University of Helsinki - Vasander, Harri; University of Helsinki - Ojala1, Anna; University of Helsinki - Vesala, Timo; University of Helsinki - Mammarella, Ivan