Possibility of mutual verification between satellite products and climate model simulation results

Kazuo Mabuchi; Yoshiaki Honda; Kenlo N. Nasahara; Hiroshi Murakami; Masahiro Hori; Masao M. Moriyama; Akiko Ono

doi:10.1117/12.975657

21 November 2012 Possibility of mutual verification between satellite products and climate model simulation results

Kazuo Mabuchi, Yoshiaki Honda, Kenlo N. Nasahara, Hiroshi Murakami, Masahiro Hori, Masao M. Moriyama, Akiko Ono

Proceedings Volume 8524, Land Surface Remote Sensing; 85241G (2012) https://doi.org/10.1117/12.975657
Event: SPIE Asia-Pacific Remote Sensing, 2012, Kyoto, Japan

Abstract

In the Northern hemisphere, the CO₂concentration in the warm season indicated anomalously high values in 2003, and low values in 2004. To investigate the reasons of the interannual variation, a numerical simulation using a land biosphere – atmosphere full couple GCM was carried out. Relationship between interannual variations of CO₂and those of the land surface elements was investigated. In 2003, high surface temperature and low soil wetness conditions in the Eurasian Continent and in North America, and low downward short wave radiation condition in East Asia, occurred in the warm season. It is considered that these climate conditions in 2003 induced relatively low GPP and NEP values in the continental scale. Comparison of the simulation results of GCM with satellite data (MODIS and AMSR-E) was performed concerning the remarkable interannual changes from 2003 to 2004. Global distributions of the seasonal changes by the model almost agree with those by the satellite data regarding both the land surface temperature and the soil moisture. The interannual changes of land surface temperature by the model agree well with those by the MODIS data. As to the soil moisture, the regions exist where the interannual changes by the model disagree with those by the AMSR-E data especially in the warm season. The values of elements calculated by the model are physically and bioecologically consistent each other in the model. Therefore, the model results are useful as the relative information for the validation of the global scale or regional scale products of satellite data estimated separately by each algorithm.

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Kazuo Mabuchi, Yoshiaki Honda, Kenlo N. Nasahara, Hiroshi Murakami, Masahiro Hori, Masao M. Moriyama, and Akiko Ono "Possibility of mutual verification between satellite products and climate model simulation results", Proc. SPIE 8524, Land Surface Remote Sensing, 85241G (21 November 2012); https://doi.org/10.1117/12.975657

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KEYWORDS

Data modeling

Atmospheric modeling

Carbon dioxide

Satellites

Climatology

MODIS

Soil science

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