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Tag: used

Official

Rarely used oil, coal helped power New England during recent cold snap

Below average temperatures in the eastern United States during the week of January 19, 2025, resulted in high demand for electricity. On January 21 at 6:00 p.m. eastern time, ISO-New England (ISO-NE), the organization operating an integrated grid in Maine, Vermont, New Hampshire, Massachusetts, Rhode Island, and Connecticut, recorded peak hourly demand of 19,600 megawatts (MW). Although demand was elevated, it was lower than the 20,308 MW that ISO-NE forecast peak demand would be in its 2024/2025 winter assessment published on November 7, 2024. Temperatures were more moderate in New England than in the Midwest, which tempered electricity demand somewhat
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Major Update to Satellite-Based Datasets Used to Assess Salt Marsh Vulnerability Nationwide
Official

Major Update to Satellite-Based Datasets Used to Assess Salt Marsh Vulnerability Nationwide

UVVR evaluates the ratio of unvegetated area to vegetated area across an entire marsh system, covering marsh plains, channels, ponds, and intertidal flats. Larger values of UVVR indicate more open water and less vegetation, which leads to more vulnerability to ongoing marsh loss. Before using satellite imagery, all UVVR assessments were conducted using site-specific studies. However, individual studies are labor-intensive and require multiple aerial surveys, detailed merging of elevation and imagery data, and the interpretation of multiple imagery classes. Developing a method to use Landsat 8 satellite imagery enables users to get broad assessments of vulnerable salt marshes without requiring
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