Interaction of Atmosphere and Forest: Dynamics and Fluxes of Trace Compositions

Topic Information

Dear Colleagues,

The emission and absorption of trace gases at the biosphere affects to atmospheric chemistry, and thus it makes influence with potential indirect effects on carbon cycle, air pollution, and climate. Trace gases such as ozone (O₃) and nitrogen oxides in the biosphere influence forest growth and carbon storage. O₃ results in a reduction of carbon fixation and biomass production, and atmospheric nitrogen deposition can result in increased growth of terrestrial ecosystems. Biogenic volatile organic compounds (BVOCs) generate secondary organic aerosols that can affect the climate by affecting cloud formation. Forest ecosystems are also an important sink and source of trace gases and particle matters in the atmosphere. In forest ecosystems, O₃ removal processes occur through stomatal uptake by plant leaves, deposition on plant canopies and soil surfaces, and depletion via chemical reactions. O₃, nitrogen oxides, and BVOCs are reactive; therefore, production processes, their strengths, and loss by chemical reactions within a canopy are important. However, the knowledge of detailed dynamics of trace gases within a canopy and fluxes at various vegetations are limited.

We invite researchers to contribute original research articles and review articles, dealing with dynamics and fluxes of trace gases, such as O₃, nitrogen oxides, and BVOCs in forest ecosystem. But greenhouse gases, such as carbon dioxide (CO₂), and methane (CH₄) are not included in the issue. Observations, lab experiments and modeling approaches are welcome.

Dr. Ryuichi Wada
Dr. Mizuo Kajino
Dr. Akira Tani
Prof. Dr. Seiichiro Yonemura
Topic Editors

Keywords

Participating Journals

Journal Name	Impact Factor	CiteScore	Launched Year	First Decision (median)	APC
Atmosphere atmosphere	2.5	4.6	2010	16.1 Days	CHF 2400
Forests forests	2.4	4.4	2010	16.2 Days	CHF 2600

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All Atmosphere Forests

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15 pages, 3079 KiB  

Open AccessArticle

Rapid Sampling Protocol of Isoprene Emission Rate of Palm (Arecaceae) Species Using Excised Leaves

by Ting-Wei Chang, Hiroshi Okamoto and Akira Tani

Atmosphere 2022, 13(5), 778; https://doi.org/10.3390/atmos13050778 - 11 May 2022

Cited by 3 | Viewed by 1932

Abstract

The high isoprene emission capacity of palm species can decrease regional air quality and enhance the greenhouse effect when land is converted to palm plantations. Propagation of low-emitting individuals can be a strategy for reducing isoprene emission from palms. However, the identification of [...] Read more.

The high isoprene emission capacity of palm species can decrease regional air quality and enhance the greenhouse effect when land is converted to palm plantations. Propagation of low-emitting individuals can be a strategy for reducing isoprene emission from palms. However, the identification of low-emitting individuals requires large-scale sampling. Thus, we aimed to develop a rapid method in which the isoprene emission rate of leaf segments is observed. We examined the temperature response and effect of incubation length on the isoprene emission rate of palm leaf and found that leaf temperatures at 25 to 30 °C and an incubation length of 40 min are suitable parameters. To further examine the validity of the method, we applied both the enclosure method and this method to the same sections of leaves. High coefficient of determinations (0.993 and 0.982) between the results of the two methods were detected regardless of seasonal temperature. This result proves that the method is capable of measuring the isoprene emission rate under any growth conditions if the incubation temperature is controlled. By using a water bath tank and a tested light source, we can simply implement a unified environmental control of multiple samples at once, which achieves a higher time efficiency than conventional enclosure measurements. Full article

(This article belongs to the Topic Interaction of Atmosphere and Forest: Dynamics and Fluxes of Trace Compositions)

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