生態系モデルを用いた海洋における物質循環解析(企画総説「地球化学の最前線」)

概要

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The importance of an ecosystem model as a tool to analyse ocean biogeochemical data has recently been increasing. That is because an ecosystem model can be used as a tool (1) to test hypotheses to explain observational data at hand, (2) to combine the generally scarce ocean observations into a more coherent picture and (3) to indirectly obtain some information about immeasurable process by a data-assimilative approach. In this review, we first show the basic model equations to construct a relatively simple ecosystem model. Then, we introduce some researches which use the above usefulness of an ecosystem model when analyzing ocean biogeochemical observational data. After that, we also briefly review the present large-scale biogeochemical circulation models because our ultimate aim in the ocean biogeochemistry is to clarify the dynamics of bioelements in the whole ocean. Finally, we show the other ways of using an ecosystem model, such as one including bioelement isotopes and biogenic gases.
2011-03-25