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Florida Transportation and Infrastructure: Monitoring Water Quality Along Southern Florida Seaports to Assess Impact on Coral Reef Tracts from Harbor Deepening Projects.
| 题名： | Florida Transportation and Infrastructure: Monitoring Water Quality Along Southern Florida Seaports to Assess Impact on Coral Reef Tracts from Harbor Deepening Projects. |
| 作者： | Rocha, B; Smith, A; Ortiz, E; Leung, M; Enz, M. |
| 摘要： | The U.S. Army Corps of Engineers (USACE) and National Oceanic andAtmospheric Administration (NOAA) National Marine Fisheries Service (NMFS)will be supervising a harbor deepening project in Port Everglades, Florida. Theproject raises concerns about potential impacts on the nearby Florida reef tractthrough increased turbidity and sediment from the dredging. To better understandthese potential impacts, the NASA DEVELOP team created an interactive GoogleEarth Engine tool to help establish a historical baseline of water qualityparameters and assist monitoring these parameters more frequently thantraditional sampling. This Seaport & Harbor Area Resource Quality (SHARQ) toolincorporates remotely sensed data from Sentinel-2 Multispectral Instrument,Landsat 5 Thematic Mapper, Landsat 7 Enhanced Thematic Mapper+, Landsat 8Operational Land Imager, and Aqua Moderate Resolution ImagingSpectroradiometer. It allows users to view true color images and calculate waterquality parameters, like turbidity and chlorophyll-a, for any given study area andtime period from 1984 onward. The SHARQ tool also generate time series charts,allowing users to interpret changes in water quality over a given time range. Theaccuracy of the remotely sensed water quality parameter algorithms wasdetermined using in situ data to calculate percent difference and root mean squareerror values (RMSE), which ranged from 0.32 to 0.58 error between sites. Usingthe SHARQ tool’s time series analysis feature, a baseline average turbidity metricof ~6.8 FNUs provides a historical baseline average for turbidity betweenSeptember 2000 and 2020 and can assist in future decision-making fordetermining thresholds for turbidity. |
| 总页数： | 21 pages |
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