Schmid H P. Footprint modeling for vegetation atmosphere exchange studies: A review and perspective. Agricultural and Forest Meteorology, 2002, 113: 159-183.
Lee X, Massman W J, Law B E. Handbook of Micrometeorology: A guide for Surface Flux Measurements. Dordrecht: Kluwer Academic Publishers, 2004: 181-208.
Gilmanov T G, Soussana J F, Aires L, et al. Partitioning European grassland net ecosystem CO2 exchange into gross primary productivity and ecosystem respiration using light response function analysis. Agriculture, Ecosystems and Environment, 2007, 121: 93-120.
[8]
Valentini R, Dore S, Marchi G, et al. Carbon and water exchanges of two contrasting central Siberia landscape types: regenerating forest and bog. Functional Ecology, 2000, 14: 87-96.
[9]
Falge E, Baldocchi D, Olson R, et al. Gap filling strategies for defensible annual sums of net ecosystem exchange. Agricultural and Forest Meteorology, 2001, 107: 43-69.
[10]
Zhu Z L, Sun X M, Wen X F, et al. Study on the processing method of nighttime CO2 eddy covariance flux data in China FLUX. Science in China (Ser. D, Earth Sciences), 2006, 49(Supp.Ⅱ): 36-46.
[11]
Antje M M, Dario P, Markus R, et al. Comprehensive comparison of gap-filling techniques for eddy covariance net carbon fluxes. Agricultural and Forest Meteorology, 2007, 147: 209-232.
[12]
Anita C R, Douglas A F. Diurnal and seasonal patterns in ecosystem CO2 fluxes and their Controls in a temperate grassland. Rangeland Ecology & Management, 2010, 63: 62-71.
Sicence Framework and Implementation. Earth System Sicence Partnership(JGBP. Ihdp. DIVERSITAS). Report No.1: Global Carbon Project Report No.1 Canberra, 2003: 22-23.
[15]
Adams J M, Faure H, Faure-Denard L, et al. Increases in terrestrial carbon storage from the glacial maximum to the present. Nature, 1990, 348: 711-714.
Shi P L, Sun X M, Xu L L, et al. Net ecosystem CO2 exchange and controlling factors in a steppe-Kobresia meadow on the Tibetan Plateau. Science in China(Ser. D, Earth Sciences), 2006, 49(Supp. II): 207-218.
[21]
Kato T, Tang Y H, Gu S, et al. Carbon dioxide exchange between the atmosphere and an alpine meadow ecosystem on the Qinghai Tibetan Plateau, China. Agricultural and Forest Meteorology, 2004, 124: 121-134.
Baldocchi D. Assessing the eddy covariance technique for evaluating carbon dioxide exchange rates of ecosystems: past, present and future. Global Change Biology, 2003, 9: 479-492.
