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Solar Cycle and Climate Effect

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Earth Sciences".

Deadline for manuscript submissions: closed (20 February 2023) | Viewed by 1871

Special Issue Editor


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Guest Editor
School of Geographical Sciences, East China Normal University, Shanghai 200241, China
Interests: solar forcing; climate change; climate modelling; cloud microphyiscs

Special Issue Information

Dear Colleagues,

Although evidence from both modern observations and paleoclimate records support claims that solar activity is one significant driving force of climate change on decadal and century timescales, there is great controversy due to the lack of a generally accepted linking mechanism. Hypotheses for solar activity as driver include the solar irradiance mechanism; the energetic particle precipitation/chemical mechanism; the solar wind–GEC–cloud mechanism; and the cosmic ray/ion-mediated nucleation mechanism. These are not mutually exclusive. At the same time, new observations—including those ranging from the day-to-day timescale to the decadal timescale—continue to provide support for the solar activity connection. This Special Issue of Applied Sciences will combine new data analyses and numerical simulations to update the picture of the impact of solar variability on weather and climate.

Prof. Dr. Limin Zhou
Guest Editor

Manuscript Submission Information

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Keywords

  • solar activity
  • climate change
  • forcing mechanism
  • observational evidence

Published Papers (1 paper)

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Research

14 pages, 2477 KiB  
Article
Records of Organic Carbon Isotopic Composition and Its Paleoenvironmental Implications in Shengshan Island Loess Deposition in the East China Sea during the Last Glacial Period
by Shaofang Ren, Yiqing Song, Hao Long, Chao Wu, Zhigang Wang, Chengxin Yi, Hui Wang, Limin Zhou and Xiangmin Zheng
Appl. Sci. 2022, 12(11), 5724; https://doi.org/10.3390/app12115724 - 4 Jun 2022
Cited by 1 | Viewed by 1524
Abstract
Organic carbon isotopic composition (δ13Corg) in loess deposits is an important indicator of terrestrial paleovegetation, and it has been widely used for paleoenvironmental reconstruction in aeolian sediments around the world. However, little research has been done on the variation [...] Read more.
Organic carbon isotopic composition (δ13Corg) in loess deposits is an important indicator of terrestrial paleovegetation, and it has been widely used for paleoenvironmental reconstruction in aeolian sediments around the world. However, little research has been done on the variation and paleoenvironmental implication of δ13Corg from loess deposits on Shengshan Island, East China Sea, during the last glacial period (LG). In this research, we present optically stimulated luminescence (OSL) ages, total organic carbon (TOC) data and δ13Corg records of the loess section at Chenqianshan (CQS) on Shengshan Island. Additionally, to study the effectiveness of δ13Corg in documenting paleoenvironmental changes, magnetic susceptibilities and diffuse reflectance spectra were surveyed. TOC concentration for the CQS loess section ranged from 0.11% to 0.47%, and the δ13Corg composition of the CQS loess section varied between −20.80‰ and −24.56‰ during the LG. The average value of C4 abundance was 21.31%. TOC, δ13Corg, χfd, and Hm/(Hm + Gt) curves for the CQS loess section showed similar patterns. The results of our study indicated that the vegetation of the CQS loess deposit was mainly C3/C4 mixed vegetation, and C3 vegetation was the most important vegetation. The comparison between the δ13Corg curve for the CQS section and other existing δ13Corg records of the loess sections from central and northern China showed similar trends and their vegetation succession exhibited synchronous change during the LG. Based on a comparison of the δ13Corg record, C4 abundance and χfd of the CQS section and other global geological records, it was concluded that the mutual effects of precipitation and temperature caused the change of paleovegetation in loess deposits on islands in the East China Sea during the LG. Full article
(This article belongs to the Special Issue Solar Cycle and Climate Effect)
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