计算由气团运动产生的地理网络。

IF 4.3 2区 医学 Q2 ENVIRONMENTAL SCIENCES Geohealth Pub Date : 2023-10-18 DOI:10.1029/2023GH000885
H. Richard, D. Martinetti, D. Lercier, Y. Fouillat, B. Hadi, M. Elkahky, J. Ding, L. Michel, C. E. Morris, K. Berthier, F. Maupas, S. Soubeyrand
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引用次数: 0

摘要

当气团在对流层内移动时,它们输送大量成分,包括气体和颗粒,如花粉和微生物。这些运动产生了连接遥远、局部和全球范围内地理区域的大气高速公路,粒子可以根据其空气动力学特性和对环境条件的反应行驶。在这篇文章中,我们提出了一种方法和一个名为tropolink的网络应用程序,用于测量气团运动可能连接到遥远位置的程度。这种方法基于HYSPLIT大气传输和扩散模型对气团轨迹的计算,以及连接频率(称为连通性)的计算,目的是建立基于轨迹的地理网络。通过三个与植物流行病学相关的案例研究,说明了不同的空间和时间尺度。我们设计的web应用程序允许用户轻松执行密集的计算,并调动大量存档的网格气象数据来构建加权定向网络。例如,对这些网络的分析使我们能够描述迁徙害虫在实际分布之外入侵的可能性。我们的方法还可以用于计算不同应用领域的气团运动产生的地理网络,例如,评估包括野火烟雾在内的持久或反复污染源传播的长期风险。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Computing Geographical Networks Generated by Air-Mass Movement

As air masses move within the troposphere, they transport a multitude of components including gases and particles such as pollen and microorganisms. These movements generate atmospheric highways that connect geographic areas at distant, local, and global scales that particles can ride depending on their aerodynamic properties and their reaction to environmental conditions. In this article we present an approach and an accompanying web application called tropolink for measuring the extent to which distant locations are potentially connected by air-mass movement. This approach is based on the computation of trajectories of air masses with the HYSPLIT atmospheric transport and dispersion model, and on the computation of connection frequencies, called connectivities, in the purpose of building trajectory-based geographical networks. It is illustrated for different spatial and temporal scales with three case studies related to plant epidemiology. The web application that we designed allows the user to easily perform intensive computation and mobilize massive archived gridded meteorological data to build weighted directed networks. The analysis of such networks allowed us for example, to describe the potential of invasion of a migratory pest beyond its actual distribution. Our approach could also be used to compute geographical networks generated by air-mass movement for diverse application domains, for example, to assess long-term risk of spread from persistent or recurrent sources of pollutants, including wildfire smoke.

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来源期刊
Geohealth
Geohealth Environmental Science-Pollution
CiteScore
6.80
自引率
6.20%
发文量
124
审稿时长
19 weeks
期刊介绍: GeoHealth will publish original research, reviews, policy discussions, and commentaries that cover the growing science on the interface among the Earth, atmospheric, oceans and environmental sciences, ecology, and the agricultural and health sciences. The journal will cover a wide variety of global and local issues including the impacts of climate change on human, agricultural, and ecosystem health, air and water pollution, environmental persistence of herbicides and pesticides, radiation and health, geomedicine, and the health effects of disasters. Many of these topics and others are of critical importance in the developing world and all require bringing together leading research across multiple disciplines.
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