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Atmosphere
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Analysis of Dew under Different Climate Changes
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Analysis of Dew under Different Climate Changes

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Meteorology".

Deadline for manuscript submissions: 24 January 2025 | Viewed by 1924

Special Issue Editors

Dr. Daniel Beysens

E-Mail Website
Guest Editor
Physique et Mécanique des Milieux Hétérogènes, CNRS, ESPCI Paris-PSL University, Sorbonne Université, Sorbonne Paris Cité, 10 rue Vauquelin, 75005 Paris, France
Interests: phase transition; condensation; dew formation; dew chemistry; dew biology
Prof. Dr. Marc Muselli

E-Mail Website
Guest Editor
Paolitech Engineering School, Università di Corsica Pasquale Paoli, Avenue du 9 Septembre, BP 52, 20250 Corte, France
Interests: dew formation; dew chemistry; condensation; renewable energy

Special Issue Information

Dear Colleagues,

Climate change is known to greatly modify precipitation (rain, fog, etc.) on Earth. These changes, however, should also affect various meteorological factors that lead to the formation and quality of dew, such as temperature, relative humidity, wind speed, cloud cover, etc. These modifications can thus lead to either dew reduction or enhancement, depending on their relative importance and the considered regions of Earth. The chemical and isotopic characteristics of dew can be also affected. These meteorological factors can be made available in, e.g., the extrapolation of past existing data and/or considering the different low and high emissions representative concentration pathway scenarios.

This Special Issue will therefore address the physical, chemical, isotopic and biological modifications of dew due to the expected evolution of the meteorological factors and evaluate their impact in various regions of the world. The issue will be concerned with all analyses that are concerned with these potential changes in dew formation and characteristics, on fundamental or applied bases, as well as their implication in different regions and different climates on Earth.

Dr. Daniel Beysens
Prof. Dr. Marc Muselli
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Atmosphere is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • dew and climate change
  • dew formation
  • dew chemistry
  • dew isotopes
  • dew biology
  • dew/rain contributions

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Published Papers (2 papers)

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Research

25 pages, 6303 KiB  
Article
Dew and Rain Evolution from Climate Change in Semi-Arid South-Western Madagascar between 1991 and 2033 (Extrapolated)
by Adriana Rasoafaniry, Marc Muselli and Daniel Beysens
Atmosphere 2024, 15(7), 784; https://doi.org/10.3390/atmos15070784 - 29 Jun 2024
Viewed by 438
Abstract
In the context of global warming and the increasing scarcity of fresh water resources, it becomes significant to evaluate the contribution and evolution of non-rainfall waters such as dew. This study therefore aims to evaluate the relative dew and rain contributions in three [...] Read more.
In the context of global warming and the increasing scarcity of fresh water resources, it becomes significant to evaluate the contribution and evolution of non-rainfall waters such as dew. This study therefore aims to evaluate the relative dew and rain contributions in three sites of south-western of Madagascar (Ifaty, Toliara, and Andremba), a semi-arid region which suffers from a strong water deficit. The studied period is 1/1991–7/2023, with extrapolation to 7/2033. Dew is calculated from meteo data by using a well-established energy model. The extrapolation of dew and rain follows an artificial neural network approach. It is found that dew forms regularly (2–3 days on average between events), in contrast to rain (10–15 days). The evolutions of dew and rain are similar, with an increase from 1991 to 2000, a decrease up to 2020 and a further increase until 2033. These oscillations follow the Indian Ocean dipole variations and should be influenced by climate change. Dew contributions to the water balance remain modest on a yearly basis (3–4%) but is important during the dry season (Apr.–Oct.), up to 30%. Dew therefore appears to be a reliable and sustainable resource for plants, small animals, and the population, especially during droughts. Full article
(This article belongs to the Special Issue Analysis of Dew under Different Climate Changes)
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20 pages, 9766 KiB  
Article
Re-Engineering Dew-Harvesting Cactus Macrostructures to Enhance Water Collection as an Adaptive Climate Change Strategy: An Experimental Comparison
by Tegwen Malik, David Gethin, Frederic Boy, Gareth Davies and Andrew Parker
Atmosphere 2023, 14(12), 1736; https://doi.org/10.3390/atmos14121736 - 25 Nov 2023
Viewed by 1007
Abstract
The spinal structures found on Copiapoa cinerea var. haseltoniana, an efficient dew-harvesting cactus, were fabricated and evaluated both in a climate chamber and outdoors in dewy conditions. A mix of aluminium and steel was used to fabricate these surfaces, with aluminium being [...] Read more.
The spinal structures found on Copiapoa cinerea var. haseltoniana, an efficient dew-harvesting cactus, were fabricated and evaluated both in a climate chamber and outdoors in dewy conditions. A mix of aluminium and steel was used to fabricate these surfaces, with aluminium being used for everything but the replicated spine features, which were constructed from steel. Each surface was entirely coated with a highly emissive paint containing an alumina–silicate OPUR additive. Three replica versions (stem only, spine only, and stem & spine) were compared to a flat planar reference surface. Experimental results demonstrated that all three biomimetic macro-structured surfaces significantly enhanced dew harvesting compared to the reference surface. It was established that the stem & spine replica, spine replica, and stem replica all demonstrated significantly more dew harvesting, with mean efficiency ratios in respect of the reference surface of 1.08 ± 0.03, 1.08 ± 0.02, and 1.02 ± 0.01, respectively. Furthermore, the method of surface water collection was found to influence the water collection rate. The diagonal run-off flow across a flat planar surface was 34% more efficient than the parallel run-off flow on the same surface. These findings provide valuable insights for the construction and installation of biomimetic-inspired dew-harvesting devices, particularly in regions that are most challenged by decreasing dew yields as a result of climate change. Full article
(This article belongs to the Special Issue Analysis of Dew under Different Climate Changes)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Reengineering Dew Harvesting Cactus Macrostructures to Enhance Water Collection: an Experimental Comparison

Abstract: The spinal structures found on Copiapoa cinerea var. haseltoniana, an efficient dew harvesting cactus, were fabricated and evaluated in a climate chamber and outdoor in dewy conditions. Three replica versions (stem only, spine only & stem & spine) were compared along with a flat planar surface for reference. Experimental data showed that all three biomimetic macro structured surfaces enhanced dew harvesting when compared to the reference. It was established that for the stem & spine replica, the spine replica and the stem replica’s they all demonstrated significantly more dew harvesting with mean efficiency ratios with respect to a reference material of 1.08 ± 0.03, 1.08 ± 0.02, 1.02 ± 0.01 respectively. In Addition, the manner in which surface water was collected was found to have an effect on the measurement where run-off flow diagonally across a flat planar surface was found to be 34% more efficient than parallel run-off flow of the same surface orientated in a square manner. This is an important consideration for future biomimetic inspired dew harvesting device construction and installation.
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