Pre-fire fertilization fails to save young ponderosa pines from fire mortality
Controlled laboratory fires killed every fertilized and unfertilized ponderosa pine sapling at the highest tested intensity, showing pre-fire nitrogen offers ...
Tag: spectral indices
Sentinel-2 and Google Earth Engine track flood damage in Himalayan river
A Sentinel-2 and Google Earth Engine study of Nepal's 2021 Melamchi debris flood found NDVI outperformed water indices for mapping ...
Choosing the Right Pre-Fire Image Date Changes Wildfire Severity Maps Made from 3 m Satellite Data
A study of two 2022 South Korean fires found that a previous-year spring baseline gave the most accurate PlanetScope wildfire ...
Machine Learning Maps Soil Salinity at Depth—and Shows Where Predictions Falter
A study in Shandong Province, China, used quantile regression forests to map soil salinity across five depth intervals down to ...
Satellites and AI Map Hidden Coral Reefs in Vietnam’s Bai Tu Long Bay
Using Sentinel-2 imagery, object-based image analysis and a random forest classifier, researchers produced the first high-accuracy map of Bai Tu ...
Drought Dimmed the Canopy: Subtropical Trees Absorb Less Light as Soils Dry
A controlled experiment on three subtropical tree species shows that drought steadily reduces leaf light absorptance below the standard 85 ...
Satellite Flood Mapping Gets Smarter: New Index Slashes False Alarms in Cities
A new Enhanced NDWI combined with a hybrid fusion technique reduces false alarms in satellite-based urban flood detection from 38 ...
Satellites alone cannot predict where buried pipelines will corrode, Nigerian field study shows
A new study in northwestern Nigeria statistically tested whether Sentinel-2 satellite indices can substitute for ground-based resistivity surveys in assessing ...
Thirty Years of Satellite Eyes Reveal an Indian City Swallowing Its Wetlands
A three-decade Landsat analysis of Ara city, India, shows urban expansion significantly eroding vegetation and wetland health while reshaping the ...
Satellites Reveal a Mixed Fortune for Restored Mangroves in Southern Mozambique
A seventeen-year satellite analysis of four restoration sites in southern Mozambique shows modest mangrove gains in Limpopo, Belavista and Tembe ...
-
Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
-
University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
-
Bee body mass, pathogens and local climate influence heat tolerance
-
Researchers record first-ever images and data of a shark experiencing a boat strike
-
Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
Embark on a thrilling journey of discovery with Scienmag.com—your ultimate source for cutting-edge breakthroughs. Immerse yourself in a world where curiosity knows no limits and tomorrow’s possibilities become today’s reality!