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Identification of periodic density structures in Solar Orbiter data: Helical structures and flux ropes

Katsavrias C., Di Matteo S., Chhiber R., Kepko L. et al. • Astronomy & Astrophysics (2026)

Context. Quasi-periodic density structures (PDSs) are quasiperiodic variations in the solar wind density that range from a few minutes to a few hours. They are trains of advected density structures with radial length scales LR ≈ 100 − 10 00...

DOAJ Open Access (DOAJ) DOI: 10.1051/0004-6361/202658943

Submesoscale‐Permitting Physical/Biogeochemical Future Projections for the Main Hawaiian Islands

T. Friedrich, B. S. Powell, J. L. Gunnarson, G. Liu et al. • Journal of Advances in Modeling Earth Systems (2024)

Abstract Global climate models provide useful tools to forecast large‐scale anthropogenic trends and the impacts on ocean physics and marine biology and chemistry. Due to coarse spatial resolution, they typically lack the ability to represe...

DOAJ Open Access (DOAJ) DOI: 10.1029/2023MS003855

Characteristics of two mesoscale convective systems (MCSs) over the Greater Jakarta: case of heavy rainfall period 15–18 January 2013

Danang Eko Nuryanto, Hidayat Pawitan, Rahmat Hidayat, Edvin Aldrian • Geoscience Letters (2019)

Abstract Two different mesoscale convective system (MCS) events that produced the heavy rainfall over the Greater Jakarta (GJ) during 15–18 January 2013 period were investigated. The purpose of the present study is to analyze the atmospheri...

DOAJ Open Access (DOAJ) DOI: 10.1186/s40562-019-0131-5

Eight-Day Typhoon Quantitative Precipitation Forecasts in Taiwan by the 2.5 km CReSS Model, Part II: Reduced Control of Track Errors on Rainfall Prediction Quality for Typhoons Associated with Southwesterly Flow

Chung-Chieh Wang, Wei-Kuo Soong, Chih-Wei Chien, Chih-Sheng Chang et al. • Atmosphere (2023)

Due to the enhancement by its steep mesoscale topography, the overall rainfall amount and distribution in Taiwan from typhoons, to a first degree, are determined by the storm track relative to the island. Therefore, the quality of typhoon q...

DOAJ Open Access (DOAJ) DOI: 10.3390/atmos14061047

Generative Lagrangian data assimilation for ocean dynamics under extreme sparsity

Niloofar Asefi, Leonard Lupin-Jimenez, Tianning Wu, Ruoying He et al. • Machine Learning. Earth (2025)

Reconstructing ocean dynamics from observational data is fundamentally limited by the sparse, irregular, and Lagrangian nature of spatial sampling, particularly in subsurface and remote regions. This sparsity poses significant challenges fo...

DOAJ Open Access (DOAJ) DOI: 10.1088/3049-4753/ae0b70

Surface circulation properties in the eastern Mediterranean emphasized using machine learning methods

G. Baaklini, G. Baaklini, R. El Hourany, M. Fakhri et al. • Ocean Science (2022)

The eastern Mediterranean surface circulation is highly energetic and composed of structures interacting stochastically. However, some main features are still debated, and the behavior of some fine-scale dynamics and their role in shaping t...

DOAJ Open Access (DOAJ) DOI: 10.5194/os-18-1491-2022