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CO2 exchanges between the atmosphere and an alpine meadow ecosystem on the Qinghai-Tibetan Plateau
| Content Provider | Semantic Scholar |
|---|---|
| Author | 知道, 加藤 |
| Copyright Year | 2004 |
| Abstract | The terrestrial ecosystem carbon cycle model, Sim-CYCLE, was combined with the CCSR/NIES/FRCGC AGCM5.7b (including a land surface model: MATSIRO). That coupled model shows a reasonable distribution of the LAI, NPP and other carbon storages after the 1000yrs spin-up run. This presentation introduces the preliminary results of the coupled run in 20th century. INTRODUCTION Interactions between the climate and the terrestrial carbon cycle have the potential to provide major feedbacks on climate change, but major uncertainties in the magnitude of these feedbacks persists [Friedlingstein et al., 2003]. To clarify these uncertainties, we developed the coupled climate-terrestrial carbon cycle model and investigated the interactive effect between the atmosphere and the terrestrial ecosystems (including the land use change) in the transient run of the 20 century. MODEL Coupled Climate-Terrestrial Carbon Cycle Model The terrestrial ecosystem carbon cycle model, Sim-CYCLE (Ito and Oikawa, 2002), derives the climate data from the CCSR/NIES/FRCGC Atmospheric General Circulation Model (AGCM) 5.7b and gives the LAI, CO2 concentration and Net Carbon Budget (net ecosystem production minus carbon emission due to the land use change) to the AGCM through the variable coupler in the land surface model, MATSIRO (Fig. 1), which calculates the heat and hydrological dynamics at the land surface [Takata et al., 2003]. The coupled model applied the T42 horizontal grid system (128 (Lon.) x 64 (Lat.) grid) and the 20 vertical atmospheric layer system (for the AGCM), and the processing time steps of 40 min for the AGCM, 3 hour for the MATSIRO and 1 day for the Sim-CYCLE. AGCM |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://www.esrl.noaa.gov/gmd/icdc7/proceedings/abstracts/katoEC85.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
