Aerosol Absorption: Progress Towards Global and Regional Constraints.

IF 9.3 1区地球科学 Q1 METEOROLOGY & ATMOSPHERIC SCIENCES

Current climate change reports Pub Date : 2018-01-01 Epub Date: 2018-04-03 DOI:10.1007/s40641-018-0091-4

Bjørn H Samset, Camilla W Stjern, Elisabeth Andrews, Ralph A Kahn, Gunnar Myhre, Michael Schulz, Gregory L Schuster

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Abstract

Purpose of review: Some aerosols absorb solar radiation, altering cloud properties, atmospheric stability and circulation dynamics, and the water cycle. Here we review recent progress towards global and regional constraints on aerosol absorption from observations and modeling, considering physical properties and combined approaches crucial for understanding the total (natural and anthropogenic) influences of aerosols on the climate.

Recent findings: We emphasize developments in black carbon absorption alteration due to coating and ageing, brown carbon characterization, dust composition, absorbing aerosol above cloud, source modeling and size distributions, and validation of high-resolution modeling against a range of observations.

Summary: Both observations and modeling of total aerosol absorption, absorbing aerosol optical depths and single scattering albedo, as well as the vertical distribution of atmospheric absorption, still suffer from uncertainties and unknowns significant for climate applications. We offer a roadmap of developments needed to bring the field substantially forward.

Abstract Image

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气溶胶吸收：走向全球和区域约束的进展。

综述目的：一些气溶胶吸收太阳辐射，改变云的性质、大气稳定性和环流动力学以及水循环。在这里，我们回顾了最近在观测和建模中对气溶胶吸收的全球和区域限制方面取得的进展，考虑了物理特性和对理解气溶胶对气候的总体（自然和人为）影响至关重要的综合方法。最近的发现：我们强调了由于涂层和老化引起的黑碳吸收变化、棕色碳特征、灰尘成分、云上吸收气溶胶、源建模和尺寸分布，以及根据一系列观测结果验证高分辨率建模的发展。摘要：气溶胶总吸收、吸收气溶胶光学深度和单次散射反照率的观测和建模，以及大气吸收的垂直分布，仍然存在对气候应用意义重大的不确定性和未知因素。我们提供了推动该领域取得实质性进展所需的发展路线图。

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来源期刊

Current climate change reports Environmental Science-Global and Planetary Change

CiteScore

20.30

自引率

0.00%

发文量

期刊介绍： Current Climate Change Reports is dedicated to exploring the most recent research and policy issues in the dynamically evolving field of Climate Change. The journal covers a broad spectrum of topics, encompassing Ecological Impacts, Advances in Modeling, Sea Level Projections, Extreme Events, Climate Feedback and Sensitivity, Hydrologic Impact, Effects on Human Health, and Economics and Policy Issues. Expert contributors provide reviews on the latest research, assess the effectiveness of available options, and engage in discussions about special considerations. All articles undergo a thorough peer-review process by specialists in the field to ensure accuracy and objectivity.