Climate Variations and Ocean Environment: Relationships, Feedbacks and Effects

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Marine Science and Engineering".

Deadline for manuscript submissions: closed (20 February 2023) | Viewed by 1219

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Energy, Environment and Water Research Center, The Cyprus Institute, 20 Konstantinou Kavafi Street, CY-2121 Aglantzia, Cyprus
Interests: climate change; environment; environmental impact assessment; physical; geography; energy; numerical modeling; hydrology; environmental analysis; water-energy-food security
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Special Issue Information

Dear Colleagues,

We are inviting submissions to a Special Issue on “Climate Variations and Ocean Environment: Relationships, Feedbacks and Effects”.

Oceans cover approximately two-thirds of the Earth’s surface. They play decisive roles in the exchange of energy, matter and trace gases with the atmosphere and are host to many plant and animal species. Their ability to absorb copious amounts of greenhouse gases plays a decisive role in regulating the Earth’s climate.

However, the continuous rise in anthropogenically derived greenhouse gas concentrations in the atmosphere and the resultant changes in Earth’s climate threaten some of these important functions of the global ocean. Increases in ocean temperatures lead to widespread bleaching and the dying-off of coral colonies in many parts of the ocean, while the constant uptake of carbon dioxide from the atmosphere results in decreasing pH values in the Earth's oceans. The unceasing retreat of sea ice in the Arctic Ocean not only results in devastating consequences for marine ecosystems and marine mammals, but also exerts significant changes in large-scale hemispheric ocean and atmosphere circulation, with marked effects on northern and mid-latitude climate and weather.

In this Special Issue, we invite contributions from a broad spectrum of disciplines as well as interdisciplinary work dealing with the impacts of climate change on the ocean environment with an emphasis on elucidating relationships, feedbacks and effects on various compartments of the ocean, as well as on atmosphere-ocean interactions. This may include observational investigations, experimental work or numerical modeling studies.

Prof. Dr. Manfred A. Lange
Guest Editor

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Keywords

  • marine ecosystems
  • climate change
  • atmosphere-ocean interactions
  • marine mammals

Published Papers (1 paper)

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Research

17 pages, 3725 KiB  
Article
Contribution of Atmospheric Depositions to Inventory of Nutrients in the Coastal Waters of Crimea
by Alla V. Varenik and Sergey K. Konovalov
Appl. Sci. 2023, 13(5), 3178; https://doi.org/10.3390/app13053178 - 1 Mar 2023
Cited by 2 | Viewed by 1011
Abstract
Coastal zones are extremely vulnerable and, at the same time, anthropogenically pressed. Excessive enrichment of marine waters with nutrients and organic matter can lead to “red tides”, oxygen deficits, decreasing assimilation capacity, etc. The purpose of this work is to study atmospheric precipitations [...] Read more.
Coastal zones are extremely vulnerable and, at the same time, anthropogenically pressed. Excessive enrichment of marine waters with nutrients and organic matter can lead to “red tides”, oxygen deficits, decreasing assimilation capacity, etc. The purpose of this work is to study atmospheric precipitations as a source of nutrients directly affecting waters of the coastal areas of Crimea and, ultimately, strengthening eutrophication consequences. In 2004–2008, and from 2015 to present, samples of atmospheric precipitations have been collected at the Marine Hydrometeorological Station in Sevastopol. They have been analyzed for the content of inorganic nitrogen, phosphorus, and silica. For 2009–2014, direct measurements are unavailable and a previously retrieved multiple nonlinear regression equation has been used to estimate the concentration of inorganic nitrogen in atmospheric precipitations depending on meteorological conditions, including the number of precipitations, number of days without precipitations, relative air humidity, wind direction vectors, and air temperature. Data obtained in this study have revealed that atmospheric precipitations are one of important inputs of nutrients for local areas. Their relative contribution increases on the time scale of days, while the role of rivers remains the most important on the annual scale. The contribution of atmospheric precipitations to the inventory of nutrients becomes more significant in the summer, when seasonal stratification in the water column prevents vertical mixing of waters, and the ambient concentration of nutrients in the upper layer of water is minimal. Full article
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