Results 161 to 170 of about 9,559 (293)

Propagation of internal gravity waves: Optimal vertical discretisation and grid design based on numerical error analysis

Quarterly Journal of the Royal Meteorological Society, EarlyView.
An energy‐conserving discrete framework for the vertical discretisation of stratified ocean models is developed using internal gravity‐wave theory. A β$$ \beta $$‐indexed family of schemes is analysed through perturbation theory, revealing optimal parameter choices and grid designs that reduce truncation errors significantly.
Gabriel Derrida, Laurent Debreu, Florian Lemarié, Jérome Chanut   +3 more
wiley   +1 more source

An Eocene shallow water isselicrinid sea lilies from the Northern Hemisphere. [PDF]

Sci Rep
Salamon MA, Trif N, Krajewski M, Wilk A, Rubilar-Rodríguez A, Poatskievick-Pierezan B, Płachno BJ, Jain S.   +7 more
europepmc   +1 more source

Impact of Weak‐Constraint Four‐Dimensional Variational data assimilation on the prediction of a sudden stratospheric warming event in 2024

Quarterly Journal of the Royal Meteorological Society, EarlyView.
The Weak‐Constraint Four‐Dimensional Variational (WC‐4DVAR) system markedly improved the analysis and forecasting of the 2024 sudden stratospheric warming (SSW) event. It reduced biases and enhanced 7–9 day predictions of temperature across the SSW life cycle, with the most pronounced gains for winds also during the critical onset period.
Shaoying Li, Weimin Zhang, Shuo Ma, Bainian Liu, Yanlai Zhao, Xiaoqun Cao   +5 more
wiley   +1 more source

Chamber-by-Chamber Measurements of Planktonic Foraminiferal Mg, Sr, and Na to Ca Ratios With Femtosecond LA-ICP-MS. [PDF]

Rapid Commun Mass Spectrom
Yoshimura T, Chang Q, Ohkouchi N, Ishitani Y, Ulanova D, Endo H, Kuroda J, Ujiié Y.   +7 more
europepmc   +1 more source

Scale dependence of the marine atmospheric boundary‐layer response to ocean surface‐temperature variability in the EUREC4$$ {\mathrm{EUREC}}^4 $$A region

Quarterly Journal of the Royal Meteorological Society, EarlyView.
With a minimal physics model and a high‐resolution fully 3D simulation, we demonstrate that the marine atmospheric boundary layer (MABL) response to sea‐surface temperature (SST) variability displays a dependence on the horizontal scales of motion.
Alessandro Storer, Matteo Borgnino, Claudia Pasquero, Agostino Niyonkuru Meroni   +3 more
wiley   +1 more source

Slide scanner-based microscopy image datasets of fossil diatoms from Southern Ocean surface sediments. [PDF]

Data Brief
Ishino S, Itaki T.
europepmc   +1 more source

Wavelet covariance approach to measure convective boundary‐layer structure

Quarterly Journal of the Royal Meteorological Society, EarlyView.
This study introduces a wavelet‐based framework that applies the Haar discrete wavelet transform (DWT) to radiosonde profiles of potential temperature and water vapor mixing ratio for diagnosing convective boundary‐layer (CBL) structure. The method objectively identifies key CBL parameters, including the surface‐layer height, entrainment zone depth ...
Song‐Lak Kang, Cho‐Rong Choi, Jung‐Hee Ryu   +2 more
wiley   +1 more source

Light Limitation of Poleward Coral Reef Expansion During Past Warm Climates. [PDF]

Geophys Res Lett
Kruijt AL, Brachert T, Sluijs A, Middelburg JJ.   +3 more
europepmc   +1 more source

Dataset for the establishment of an age model of marine sediment core KH19-6 Leg.4 PC10/MC14 collected from the Agulhas Ridge in the South Atlantic Ocean. [PDF]

Data Brief, 2023
Kubota K, Tanabe R, Ikehara M, Kozaka Y, Seike K, Miyairi Y, Yokoyama Y.   +6 more
europepmc   +1 more source

EnKF and expectation‐maximization based parameter estimation of a convective gravity‐wave parameterization using Strateole 2 constant‐level balloon data

Quarterly Journal of the Royal Meteorological Society, EarlyView.
An offline methodology is applied to estimate parameters of a convective gravity‐wave scheme using momentum flux (MF) observations from constant‐level balloons (left panels: pdfs of east and west MFs in green from observations and black from EnKF). The approach integrates an ensemble Kalman filter with an expectation‐maximization algorithm and permits ...
F. Lott, P. Tandeo, M. Pulido, D. Bardet
wiley   +1 more source