AI Emulator Replicates Ammonia Ensembles 3300 Times Faster Than Physics Model
A new AI emulator reproduces GEM-MACH ammonia ensembles about 3300 times faster while delivering nearly identical emissions inversion results.
Tag: data assimilation
Bayesian filtering tracks heat flux in continuous casting molds in real time
Researchers developed an ensemble-based Bayesian filtering method that estimates the unmeasurable heat flux between molten steel and a continuous casting ...
Physics-guided AI turns sparse GPS and camera data into citywide traffic volumes
A hybrid framework combining floating car data, sparse traffic cameras, and physics-guided graph learning calibrates biased GPS counts into network-wide ...
Nested Data Assimilation Framework Sharpens Water-Quantity Monitoring on the Lower Lancang River
A new multi-source data assimilation framework coupled with a hydrodynamic model improved monitoring accuracy at Yunjinghong Hydrological Station and extended ...
PyTorch-powered data assimilation slashes air quality model startup times
A PyTorch-based 3DVar data assimilation system for WRF-Chem achieves a 26.2-fold speedup on GPU hardware while matching the accuracy of ...
New Methods Tame Bayesian Inference When Prior Covariances Lose Rank
Researchers have introduced new dimension and model reduction methods that extend optimal Bayesian inference to problems with rank-deficient prior covariances.
Lost 1970s satellite data rescued to sharpen climate reanalyses
Scientists have recovered long-lost observations from the 1970s DMSP Special Sensor H instrument and shown that assimilating them, including its ...
A cost-effective data assimilation system for improving ROMS simulations in the Southwest Atlantic
A four-year Southwest Atlantic modeling study found that low-cost sea-surface temperature assimilation reduced sea-surface temperature error by 70% and improved ...
Vegetation-aware satellite assimilation improves soil moisture modeling
A vegetation-aware strategy combining L-, C- and X-band satellite soil-moisture data improved model accuracy by selecting observations according to canopy ...
New All-Sky Microwave Model Brings Cloudy Weather Into Focus for Ground-Based Radiometers
Ground-based microwave radiometers are among the most tireless instruments in atmospheric science. Bolted to the ground and staring permanently upward, ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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