Journal
REMOTE SENSING
Volume 6, Issue 12, Pages 12234-12246Publisher
MDPI
DOI: 10.3390/rs61212234
Keywords
wind farm impact; atmospheric boundary layer; land surface temperature
Categories
Funding
- National Science Foundation [NSF-AGS-1247137]
- University at Albany Teaching Assistantship
- Directorate For Geosciences
- Div Atmospheric & Geospace Sciences [1247137] Funding Source: National Science Foundation
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Wind farms (WFs) are believed to have an impact on lower boundary layer meteorology. A recent study examined satellite-measured land surface temperature data (LST) and found a local nighttime warming effect attributable to a group of four large WFs in Texas. This study furthers their work by investigating the impacts of five individual WFs in Iowa, where the land surface properties and climate conditions are different from those in Texas. Two methods are used to assess WF impacts: first, compare the spatial coupling between the LST changes (after turbine construction versus before) and the geographic layouts of the WFs; second, quantify the LST difference between the WFs and their immediate surroundings (non-WF areas). Each WF shows an irrefutable nighttime warming signal relative to the surrounding areas after their turbines were installed, and these warming signals are generally coupled with the geographic layouts of the wind turbines, especially in summer. This study provides further observational evidence that WFs can cause surface warming at nighttime, and that such a signal can be detected by satellite-based sensors.
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