Global Biogeochemical Flux Models

9314707萨尔米托这项工作的总体目标概括为联合全球海洋观测系统两个主要目标中的第二个：“发展在全球范围内预测海洋生物地球化学过程对人为干扰，特别是与气候变化有关的干扰的反应的能力”(联合全球海洋观测系统国际科学计划，1990年)。这项工作的一个主要焦点是决定大气-海洋二氧化碳交换的碳循环过程。实现这些目标需要生物地球化学过程模型以及物理过程的三维海洋环流模型。物理模型是基于Brian，(1969)提出的原始方程海洋模型。生物地球化学模型的开发工作分为两部分。其中一个重点是真光带生态系统模型的发展。以提高我们对控制表面养分含量的过程以及这与碳平衡的关系的理解。第二项工作侧重于将有机物作为溶解的有机物和颗粒运出真光区，并在深海中重新矿化。

9314707 SARMIENTO The overall objective of this work is summed up by the second of the two major JGOFS goals: "to develop a capability to predict on a global scale the response of oceanic biogeochemical processes to anthropogenic perturbations, in particular those related to climate change" (JGOFS International Science Plan, 1990). A major focus of this work is the carbon cycle processes that determine air-sea exchange of CO2. Achieving these goals requires models of biogeochemical processes as well as three-dimensional ocean general circulation models (OGCM's) of physical processes. The physical models are based on the primitive equation ocean model developed by Brian, (1969). The biogeochemical model development effort is divided into two parts. One focusses on the development of ecosystem models of the euphotic zone. To improve our understanding of the processes that control the surface nutrient content and how this is related to the carbon balance. The second effort focusses on transport of organic matter out of the euphotic zone as dissolved organic matter and particles, and remineralization of this in the deep ocean.