TY - JOUR A1 - Zhuravlev, R. A1 - Khattatov, B. A1 - Kiryushov, B. A1 - Maksyutov, S. T1 - Technical Note: A novel approach to estimation of time-variable surface sources and sinks of carbon dioxide using empirical orthogonal functions and the Kalman filter JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 2011 SP - 1367 EP - 1384 Y1 - 2011/01/18 PB - Copernicus Publications SN - 1680-7375 UR - https://acp.copernicus.org/preprints/11/1367/2011/ L1 - https://acp.copernicus.org/preprints/11/1367/2011/acpd-11-1367-2011.pdf DO - 10.5194/acpd-11-1367-2011 ER -