related tags: 5E5D5E 7A7D86 7D7E83 A4ACBA A9ADB4 B8BAC4 BBBCC1 C2C3C7 C3C4C6 carbondioxide cavsu climate co2 covariance eddy eddycovaraince emissions fluxnet micrometeorology research researchtower ubc universityofbritishcolumbia urban urbanclimate urbanfluxnetwork vancouver vancouversunset