Lake Surface Water Temperature Trend as an Indicator of Global Warming

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Biosphere/Hydrosphere/Land–Atmosphere Interactions".

Deadline for manuscript submissions: closed (15 December 2021) | Viewed by 2832

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Guest Editor
Department of Geophysics, Tel Aviv University, Tel Aviv 69978, Israel
Interests: trends of atmospheric aerosols using satellite data and ground-based measurements; modeling and forecast of desert dust and sea-salt aerosols; lake remote sensing
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Dear Colleagues,

In recent years, our planet has experienced some of the warmest air temperatures ever recorded, accompanied by record-breaking weather extremes such as powerful storms, severe droughts, and huge wildfires. Lake surface water temperature determines a large variety of physical, chemical, and biological processes in lake water bodies. As a consequence of the air being in contact with the lake water surface, the air–water interaction affects the dynamics and thermodynamics of the air and water boundary layers. Some other atmospheric factors such as cloudiness and winds as well as their trends could contribute to lake surface water temperature and its trend. This explains why lakes are sensitive to climate change. Air warming in the overlying atmosphere due to climatic variations is reflected in lake surface water temperature. This highlights the importance of investigating the relationship between global warming and lake surface water temperature warming.

Many of the world’s lakes are located in arid regions. These lakes are particularly sensitive to climatic changes characterized by atmospheric warming and a decreasing tendency in rainfall amounts. The above-mentioned changes are accompanied by an increase in evaporation and a decrease in precipitation. This causes an imbalance between water inflow and evaporation and, consequently, affects lake water temperature and lake shrinkage. This situation contributes to the fact that many of the world's lakes located in arid regions are shrinking at alarming rates.

Lake surface water temperature trends can be an indicator of climate change. Consequently, these trends are essential climate variables. Moreover, lake sensitivity to climate change could impact surface temperature trends over land areas adjacent to the lakes.

The aim of this Special Issue is to present studies using a state-of-the-art approach for comprehensively investigating surface temperature trends over lakes and adjacent land areas. This approach is based not only on single-point (buoy) observations, but also on spatially resolved temperature observations from satellites and/or model results.

Dr. Pavel Kishcha
Guest Editor

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Keywords

  • Global warming
  • Trend in lake surface water temperature
  • Climate change
  • Lake warming
  • Lake remote sensing
  • Buoy measurements of lake water temperature
  • Modeling of lake warming

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Published Papers (1 paper)

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Research

13 pages, 4647 KiB  
Article
Diurnal Variability of Surface Temperature over Lakes: Case Study for Lake Huron
by Wen Chen, Rachel T. Pinker, Gerardo Rivera and Simon Hook
Atmosphere 2021, 12(2), 252; https://doi.org/10.3390/atmos12020252 - 13 Feb 2021
Viewed by 1785
Abstract
The significance of the diurnal variability of Lake Surface Temperature (LST) has been recognized; yet, its magnitude in terms of spatial and temporal variability is not well known. Attempts have been made to derive such information from satellites at a high spatial resolution; [...] Read more.
The significance of the diurnal variability of Lake Surface Temperature (LST) has been recognized; yet, its magnitude in terms of spatial and temporal variability is not well known. Attempts have been made to derive such information from satellites at a high spatial resolution; however, most have been made from polar orbiting satellites that sample only twice per day. We have developed an approach to derive such information from geostationary satellites at an hourly time scale and at a spatial resolution of about 5 km. The approach to derive LST uses the Radiative Transfer for TIROS Operational Vertical Sounder (TOVS) (RTTOV) model driven by the Modern-Era Retrospective analysis for Research and Applications (MERRA)-2 information. The methodology has been implemented over Lake Huron for about six years. We present the results of the evaluation against various independent satellite products and demonstrate that there is a strong diurnal variability in the skin temperature over the lake and that the lowest and highest values, as derived twice per day from polar orbiting satellites, may not represent the magnitude of the Diurnal Temperature Range (DTR). Full article
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