Mechanisms for Atmospheric chemistry: GeneratioN, Interpretation and FidelitY - MAGNIFY

大气化学机制：生成、解释和保真度 - 放大

基本信息

批准号：
NE/M013448/1
负责人：
Andrew Rickard
金额：
$ 86.19万
依托单位：
University of York
依托单位国家：
英国
项目类别：
Research Grant
财政年份：
2015
资助国家：
英国
起止时间：
2015 至无数据
项目状态：
已结题

来源：
https://gtr.ukri.org/projects?ref=NE%2FM013448%2F1
关键词：
Mechanisms Atmospheric chemistry GeneratioN Interpretation

项目摘要

The chemistry of the troposphere underlies a range of environmental issues, which have substantial societal and economic impacts. Whether it is a changing climate, a reduction in air quality affecting human health or the degradation of ecosystems due to air pollution the details of the chemistry determines the severity of the impact. Numerical models of atmospheric chemistry are essential to our ability to understand, predict and hence mitigate these problems. The description of the chemistry occurring within these models is known as the 'mechanism'. Different models use different levels of chemical complexity in deriving these mechanisms, depending on their individual foci. However, there is an overarching need for a 'gold standard' or benchmark mechanism, which contains as full a representation of our fundamental 'state of science' understanding of atmospheric chemistry as is possible. For the last decade this benchmark mechanism, both in the UK and internationally, has been the Master Chemical Mechanism (MCM).The MCM provides a highly comprehensive representation of atmospheric volatile organic compound (VOC) degradation chemistry, which is extensively used by the atmospheric science community in a wide variety of science and policy applications where chemical detail is required. The MCM is an internationally recognised resource, with registered users worldwide, and thus represents a highly regarded flagship facility for atmospheric science in the UK. Much of its success stems from the availability of the MCM database on the web, along with the provision of a range of tools to facilitate its use.However, both the MCM itself and its supporting infrastructure are now becoming dated. It is clear that the enormous task of bringing the entire mechanism fully up to date, and maintaining it in that condition, is becoming increasingly difficult within the resources and methods that are currently available. It is recognised, therefore, that sustainable development of the MCM as a whole requires a fundamental revision in the methods applied to its maintenance to ensure that updates/changes can be carried out thoroughly and efficiently, and which can be more readily sustained through changes of personnel in the future. Without such changes, it is probable that the MCM will stagnate, gradually fall from use and eventually become obsolete, and hence no longer a highly regarded flagship facility for atmospheric science in the UK. The MAGNIFY project puts in place a comprehensive strategic work plan (including a number of important scientific deliverables) in order to make the MCM more sustainable, updating its construction rules and opening it up more to community, building upon its success and maintaining it as the "gold standard" benchmark mechanism for atmospheric chemistry.This proposal will:1) build a fully updated and revised mechanism development protocol, for the generation of a new version of the MCM (v4.0) 2) put in place a range of quality assurance methods to ensure high quality updates and changes into the future3) develop an international community tasked with supporting the continual development of the MCM mechanism and framework.4) investigate automated methods for mechanism generation that will reduce workload and error, ensuring responsive, efficient generation of mechanisms into the future5) further develop and enhance the successful open access web platform used by the MCM for access, archiving and interrogation not only of the MCM and its successors, but also a range of mechanisms used by a range of NERC / MO / DEFRA supported activities and for a range of models world wide6) provide a comprehensive evaluation methodology of all mechanisms stored in the system against the updated benchmark MCM and its successors with an emphasis on assessing those models currently being used for policy (air quality and climate) related work within the UK.

对流层的化学反应是一系列环境问题，这些问题具有重大的社会和经济影响。无论是气候变化，影响人类健康的空气质量的降低还是由于空气污染而导致的生态系统降解，化学的细节决定了影响的严重性。大气化学的数值模型对于我们理解，预测和减轻这些问题的能力至关重要。这些模型中发生的化学反应的描述称为“机制”。不同的模型根据其单个焦点使用不同水平的化学复杂性来得出这些机制。但是，总体上需要一种“黄金标准”或基准机制，其中包含了我们对大气化学的基本“科学状态”理解的完全代表。在过去的十年中，在英国和国际上，这种基准机制一直是主要的化学机制（MCM）。MCM提供了大气挥发性有机化合物（VOC）降级化学的高度全面的表示，该化学在各种各样的科学和政策应用中都需要大气科学社区在各种化学详细信息中使用。 MCM是全球注册用户的国际公认资源，因此代表了英国大气科学的备受推崇的旗舰设施。它的大部分成功源于网络上MCM数据库的可用性，以及提供一系列工具来促进其使用。显然，在当前可用的资源和方法中，将整个机制充分最新并保持在这种情况下的艰巨任务变得越来越困难。因此，人们认识到，整个MCM的可持续发展需要对应用于其维护的方法进行基本修订，以确保可以彻底有效地进行更新/更改，并且可以通过未来人员的变更来更容易地维持。没有这种变化，MCM很可能会停滞不前，逐渐被使用并最终变得过时，因此不再是英国大气科学的备受推崇的旗舰设施。放大的项目制定了一项全面的战略工作计划（包括许多重要的科学可交付成果），以使MCM更具可持续性，更新其施工规则，并将其更加向社区开放，并将其作为“金标准”基准机制维持大气化学的“金标准”基准机制。 range of quality assurance methods to ensure high quality updates and changes into the future3) develop an international community tasked with supporting the continual development of the MCM mechanism and framework.4) investigate automated methods for mechanism generation that will reduce workload and error, ensuring responsive, efficient generation of mechanisms into the future5) further develop and enhance the successful open access web platform used by the MCM for access, archiving and interrogation not only of the MCM and its successors, but还通过一系列NERC / MO / DEFRA支持的活动使用的一系列机制，对于全球范围的一系列模型，也提供了对系统中所有机制的全面评估方法，用于针对更新的基准MCM及其后继者，重点是评估当前用于政策（空气质量和气候）的模型（空中质量和气候）。